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PMBusTM Communication Protocol
ACAN-66 Application Note
This application note is applicable to the following members of the D1U54P-W1500-12-HxxTC Series:
Model Number Number
D1U54P-W-1500-12-HC4TC
D1U54P-W-1500-12-HA4TC
D1U54P-W-1500-12-HB4TC
1
D1U54P-W-1500-12-HC3TC
1
D1U54P-W-1500-12-HA3TC
1
MPS #
M1891
M1893
M1895
M1892
M1894
Address
Standby Output
3.3Vdc
5Vdc
ADDR_SEL
12Vdc
(External resistor)
3.3Vdc
5Vdc
Airflow
Back to Front
Front to Back
Pending release, consult factory for availability
Standard PMBus™
All data communicated over the PMBus™ interface uses PEC (Packet Error Checking) as defined by the standard for PMBus™ Power Systems Management Protocol Part 1 – General
Requirements Rev 1.1.
Linear data formatting is used for all passed parameters. It is strongly recommended to fully utilize the PEC byte to validate all transactions and to repeat if not validated. Block reads
(where the loose byte received denotes the remaining byte to be clocked out) are not supported on this product series.
A minimum of 300µs delay between transactions (between the STOP of one command and the START of the next command) is recommended for robust communications.
Note: 100KHz I2C communications is supported for the PMBus™ interface.
Note: The PMBus™ slave controller does “clock stretch” on ACK or NAK.
Device Details
Power Supply Controllers
Vendor
Microchip Technology Inc.
Microchip Technology Inc.
Power Supply External EEPROM
Vendor
Microchip Technology Inc.
MFG Part Number
DSPIC33FJ64GS606T-50I/PT
DSPIC33FJ16GS504T-50I/PT
Package
TQFP64
TQFP44
MFG Part Number
24AA024T-I/MS
Package
MSOP8
Description
( Secondary) IC Dig SMT Microcontroller PIC33 TQFP64 64k 9kB 50MHz
( Primary) IC Dig SMT Controller PWM Industrial PIC33 TQFP44 40MHz
Description
IC Dig SMT EEPROM CMOS Serial I2C AT24CXX MSOP8 2kB
Device Addressing Methods
(See D1U54P-12-CONC Interface Card; Application Note ACAN-64 for Additional Details):
There are two methods whereby the three lower order address bits of the seven bit address structure of the internal addressable devices can be assigned (for the secondary
microcontroller and the EEPROM device A0, A1 & A2; see the PMBus™ standard). These are as follows:
1.
Using the ADDR signal pin (Pin# A3) in digital mode by either:
a.
Un-terminating (leaving open circuit); this will set a default setting of “111” for the last three addressable bits (A0, A1 & A2) of the seven bit address byte.
b.
Terminating the pin to RTN/ground (Pin numbers A2/B2); this method will set a default address of “000” for the last three addressable bits (A0, A1 & A2) of the
address byte.
2.
Using the ADDR signal pin (Pin# A3) in analogue mode by connection of an external resistance to RTN/ground (pin numbers A2/B2).
For the possible external resistance values this will result in the following address combinations:
HEX Address Combinations by Analogue Method; ADDR External Resistance Values
ADDR External Resistance to RTN/Ground
Power Module Secondary
Power Module
(KΩ; ±5% Tolerance)
Main Controller (Serial Slave Address)*
EEPROM (Serial Slave Address)*
0.82
0xB0
0xA0
2.7
0xB2
0xA2
5.6
0xB4
0xA4
8.2
0xB6
0xA6
15
0xB8
0xA8
27
0xBA
0xAA
56
0xBC
0xAC
180
0xBE
0xAE
*The D1U54P-W-1500-12-HxxTC uses 7-bit left shifted” device addressing; the EEPROM addressing follows a similar convention (commences at base address 0xA0); the lowest order
bit of the address is the Read/Write bit. It is assumed that the Read Write bit is set to logic “0” (for addresses shown in the table above).
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ACAN-66.A01 Page 1 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
PMBus™ Commands
Command
Code (Hex)
Command Name
Read /
Write
Page
00
PAGE
R/W
All
# of
Bit #
Bytes
See Table at rear of
Document Link:
Operation_Data_01
R/W
All
1
ON_OFF_CONFIG
02
See table at rear of
Document Link:
ON_OFF_Data_02
R
All
1
03
CLEAR_FAULTS
W
All
1
10
WRITE_PROTECT
R/W
All
1
5:0
7:6
Turn the unit on/off in conjunction with digital input from PSON_H
YES
Set when Turn off immediately (default) / 0 = Use delay @ turn-off
Set when Power on processing is active high (default)
Set when Use CONTROL pin for on/off power processing (default)
Set when Use OPERATION command for on/off power processing
(default)
Set when Use both CONTROL pin & OPERATION command (default)
YES
YES
YES
0
1
2
ON_OFF_DELAY
ON_OFF_POLARITY
USE_CONTROL
3
USE_OPERATION
4
5
6
7
USE_CNTL_AND _OP
RESERVED
RESERVED
RESERVED
Write only command clears all faults that have been set in all the
STATUS_XXXX registers simultaneously
Disable all writes except: WRITE_PROTECT
Disable all writes except: WRITE_PROTECT, OPERATION, PAGE
Disable all writes except: WRITE_PROTECT, OPERATION, PAGE,
ON_OFF_CONFIG, VOUT_COMMAND
Enable all writes
0:3
19
CAPABILITY
R
All
4
SMBALERT_L
6:5
MAX_BUS_SPEED
7
PEC
VOUT_MODE
R
0
1
20
VSTBY_MODE
R
1
1
21
VOUT_COMMAND
R/W
All
2
25
VOUT_MARGIN_HIGH
R/W
0
2
25
VSTBY_MARGIN_LOW
R/W
1
2
26
VOUT_MARGIN_HIGH
R/W
0
2
26
VSTBY_MARGIN_LOW
R/W
1
2
2
FAN_CONFIG_1_2
R
All
1
NO
YES
YES
NO
NO
NO
YES
YES
Set when device has SMBALERT_L pin which supports the SMBus
Alert Response protocol
01 = Max supported bus speed = 400kHz; 00 Max supported bus
speed = 100kHz
Set when packet error checking is supported
Single data byte sets the READ_VOUT sensor to linear mode data
format and supplies N exponent for translation to volts
PMBus Spec - Part II - Revision 1.1 - Sections 8.1-8.3
Single data byte sets the READ_VSTBY sensor to linear mode data
format and supplies N exponent for translation to volts
PMBus Spec - Part II - Revision 1.1 - Sections 8.1-8.3
YES
YES
YES
YES
YES
YES
0
1
3A
YES
NO
RESERVED
1
20
Supported
?
Definition
Command to provide ability to configure, control & monitor multiple
outputs
Set output margin high/low voltages
1
OPERATION
01
Bit Name
3
4
5
6
7
Load the unit with the voltage to which the output is to be changed
when the OPERATION command set to "Margin High"
Load the unit with the voltage to which the output is to be changed
when the OPERATION command set to "Margin High"
Load the unit with the voltage to which the output is to be changed
when the OPERATION command set to "Margin Low"
Load the unit with the voltage to which the output is to be changed
when the OPERATION command set to "Margin Low"
FAN_2_TACH_PULSES Fan 2 Tachometer pulses per revolution (lower bit)
FAN_2_TACH_PULSES Fan 2 Tachometer pulses per revolution (upper bit)
Set when fan is commanded in RPM (Clear when fan is commanded in
FAN_2_SETTING_MODE
Duty Cycle)
FAN_2_INSTALLATION Set when fan is installed in position 2
FAN_1_TACH_PULSES Fan 1 Tachometer pulses per revolution (lower bit)
FAN_1_TACH_PULSES Fan 1 Tachometer pulses per revolution (upper bit)
Set when fan is commanded in RPM (Clear when fan is commanded in
FAN_1_SETTING_MODE
Duty Cycle)
FAN_1_INSTALLATION Set when fan is installed in position 1
NO
NO
NO
NO
NO
NO
NO
NO
YES
YES
YES
YES
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ACAN-66.A01 Page 2 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Read
# of
/ Page
Bit #
Bytes
Write
Command
Code (Hex)
Command Name
3B
FAN_COMMAND_1
R/W
All
2
3C
FAN_COMMAND_2
R/W
All
2
40
40
41
41
42
42
43
43
44
44
45
45
46
46
47
47
4A
4A
4F
4F
4F
4F
4F
50
50
50
50
50
51
51
51
51
51
55
56
57
58
59
5A
5B
5C
5D
5E
5F
68
69
6A
6B
VOUT_OV_FAULT_LIMIT
VSTBY_OV_FAULT_LIMIT
VOUT_OV_FAULT_RESPONSE
VSTBY_OV_FAULT_RESPONSE
VOUT_OV_WARN_LIMIT
VSTBY_OV_WARN_LIMIT
VOUT_UV_WARN_LIMIT
VSTBY_UV_WARN_LIMIT
VOUT_UV_FAULT_LIMIT
VSTBY_UV_FAULT_LIMIT
VOUT_UV_FAULT_RESPONSE
VSTBY_UV_FAULT_RESPONSE
IOUT_OC_FAULT_LIMIT
ISTBY_OC_FAULT_LIMIT
IOUT_OC_FAULT_RESPONSE
ISTBY_OC_FAULT_RESPONSE
IOUT_OC_WARN_LIMIT
ISTBY_OC_WARN_LIMIT
AIRFLOW_1_OT_FAULT_LIMIT
AIRFLOW_2_OT_FAULT_LIMIT
HOTSPOT_1_OT_FAULT_LIMIT
HOTSPOT_2_OT_FAULT_LIMIT
HOTSPOT_3_OT_FAULT_LIMIT
AIRFLOW_1_OT_FAULT_RESPONSE
AIRFLOW_2_OT_FAULT_RESPONSE
HOTSPOT_1_OT_FAULT_RESPONSE
HOTSPOT_2_OT_FAULT_RESPONSE
HOTSPOT_3_OT_FAULT_RESPONSE
AIRFLOW_1_OT_WARN_LIMIT
AIRFLOW_2_OT_WARN_LIMIT
HOTSPOT_1_OT_WARN_LIMIT
HOTSPOT_2_OT_WARN_LIMIT
HOTSPOT_3_OT_WARN_LIMIT
VIN_OV_FAULT_LIMIT
VIN_OV_FAULT_RESPONSE
VIN_OV_WARN_LIMIT
VIN_UV_WARN_LIMIT
VIN_UV_FAULT_LIMIT
VIN_UV_FAULT_RESPONSE
IIN_OC_FAULT_LIMIT
IIN_OC_FAULT_RESPONSE
IIN_OC_WARN_LIMIT
POWER_GOOD_ON
POWER_GOOD_OFF
POUT_OP_FAULT_LIMIT
POUT_OP_FAULT_RESPONSE
POUT_OP_WARN_LIMIT
PIN_OP_WARN_LIMIT
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
R
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
2
3
4
0
1
2
3
4
0
1
2
3
4
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
2
2
1
1
2
2
2
2
2
2
1
1
2
2
1
1
2
2
2
2
2
2
2
1
1
1
1
1
2
2
2
2
2
2
1
2
2
2
1
2
1
2
2
2
2
1
2
2
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Bit Name
Links to Returned
Response:
HA3TC,HA4TC
HC3TC,HC4TC
HB4TC
Definition
Supported?
Manual fan override command fan speed value in Duty Cycle
Command speed formatted in Linear as per command 0x90 READ_FAN_SPEED_1
Manual fan override command fan speed value in Duty Cycle
Command speed formatted in Linear as per command 0x91 READ_FAN_SPEED_2
Main Output Overvoltage Fault Limit
Standby(Auxilliary) Output Overvoltage Fault Limit
Main Output Overvoltage Fault Response Actions
Standby(Auxilliary) Output Overvoltage Fault Response Actions
Main Output Overvoltage Warning Limit
Standby(Auxilliary) Output Overvoltage Warning Limit
Main Output Undervoltage Warning Limit
Standby(Auxilliary) Output Undervoltage Warning Limit
Main Output Undervoltage Fault Limit
Standby(Auxilliary) Output Undervoltage Fault Limit
Main Output Undervoltage Fault Response Actions
Standby(Auxilliary) Output Undervoltage Fault Response Actions
Main Output Overcurrent Fault Limit
Standby(Auxilliary) Output Overvoltage Fault Limit
Main Output Overcurrent Fault Response Actions
Standby(Auxilliary) Output Overcurrent Fault Response Actions
Main Output Overcurrent Warning Limit
Standby(Auxilliary) Output Overvoltage Warning Limit
Airflow 1 Overtemperature Fault Limit
Airflow 2 Overtemperature Fault Limit
Hotspot 1 Overtemperature Fault Limit
Hotspot 2 Overtemperature Fault Limit
Hotspot 3 Overtemperature Fault Limit
Airflow 1 Overtemperature Fault Response Actions
Airflow 2 Overtemperature Fault Response Actions
Hotspot 1 Overtemperature Fault Response Actions
Hotspot 2 Overtemperature Fault Response Actions
Hotspot 3 Overtemperature Fault Response Actions
Airflow 1 Overtemperature Warning Limit
Airflow 2 Overtemperature Warning Limit
Hotspot 1 Overtemperature Warning Limit
Hotspot 2 Overtemperature Warning Limit
Hotspot 3 Overtemperature Warning Limit
Input Overvoltage Fault Limit
Input Overvoltage Fault Response Actions
Input Overvoltage Warning Limit
Input Undervoltage Warning Limit
Input Undervoltage Fault Limit
Input Undervoltage Fault Response Actions
Input Overcurrent Fault Limit
Input Overcurrent Fault Response Actions
Input Overcurrent Warning Limit
Power Good On Main Output Voltage Limit
Power Good Off Main Output Voltage Limit
Output Overpower Fault Limit
Output Overpower Fault Response Actions
Output Overpower Warning Limit
Input Overpower Warning Limit
YES
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
ACAN-66.A01 Page 3 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code
(Hex)
Command Name
79
STATUS_BYTE
79
STATUS_WORD
Read
# of
/ Page
Bit #
Bytes
Write
0
1
2
3
R
All
1
4
5
6
7
0
1
2
3
4
5
6
7
R
All
2
8
9
10
11
12
13
14
15
0
1
2
7A
STATUS_VOUT
R
0
1
3
4
5
6
7
0
1
2
7A
STATUS_VSTBY
R
1
1
3
4
5
6
7
Bit Name
NONE_F_W
CML_F
TEMPERATURE_F_W
INPUT_UV_F
OUTPUT_OC_F
OUTPUT_OV_F
UNIT_OFF
BUSY_F
NONE_F_W
CML_F
TEMPERATURE_F_W
INPUT_UV_F
OUTPUT_OC_F
OUTPUT_OV_F
UNIT_OFF
BUSY_F
UNKNOWN_F_W
STATUS_OTHER_F_W
FANS_F_W
POWER_GOOD_L
MFR_SPECIFIC_F_W
INPUT_F_W
Definition
Supported?
Set when a fault not listed in [7:1] occurred
Set when a communications, memory, or logic fault has occurred
Set when an overtemperature fault or warning has occurred
Set when an input undervoltage fault has occurred
Set when an output overcurrent fault has occurred
Set when an output overvoltage fault has occurred
Set when unit not providing power to the output
Asserted when device busy and unable to respond fault
Set when a fault not listed in [7:1] occurred
Set when a communications, memory, or logic fault has occurred
Set when an overtemperature fault or warning has occurred
Set when an input undervoltage fault has occurred
Set when an output overcurrent fault has occurred
Set when an output overvoltage fault has occurred
Set when unit not providing power to the output
Asserted when device busy and unable to respond fault
Set when a fault not listed in [15:1] has occurred
Set when a bit in command STATUS_OTHER set
Set when a fan fault or warning has occurred
Set when the POWER_GOOD signal is negated
Manufacturer specific fault or warning has occurred
Set when an Input voltage/current/power fault or warning has occurred
Set when an output current / output power fault or warning has
IOUT_POUT_F_W
occurred
VOUT_F_W
Set when an output voltage fault or warning has occurred
Set when an error in the output voltage during power-up/down has
VOUT_TRACKING_E
occurred
Set when the output turn-on timing has exceeded the TON_MAX
TON_MAX_W
warning timing
Set when the output turn-on timing has exceeded the TON_MAX fault
TON_MAX_F
timing
Set when the output is set higher than the commanded VOUT_MAX
VOUT_MAX_F
limit
VOUT_UV_F
Set when an output undervotlage fault has occurred
VOUT_UV_W
Set when an output undervotlage warning has occurred
VOUT_OV_W
Set when an output overvoltage warning has occurred
VOUT_OV_F
Set when an output overvoltage fault has occurred
Set when an error in the output voltage during power-up/down has
VOUT_TRACKING_E
occurred
Set when the output turn-on timing has exceeded the TON_MAX
TON_MAX_W
warning timing
Set when the output turn-on timing has exceeded the TON_MAX fault
TON_MAX_F
timing
Set when the output is set higher than the commanded VOUT_MAX
VOUT_MAX_F
limit
VOUT_UV_F
Set when an output undervotlage fault has occurred
VOUT_UV_W
Set when an output undervotlage warning has occurred
VOUT_OV_W
Set when an output overvoltage warning has occurred
VOUT_OV_F
Set when an output overvoltage fault has occurred
NO
YES
YES
YES
YES
YES
YES
YES
NO
YES
YES
YES
YES
YES
YES
YES
NO
NO
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
YES
YES
YES
YES
NO
NO
NO
NO
NO
YES
YES
YES
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ACAN-66.A01 Page 4 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code
(Hex)
7B
7B
Command Name
STATUS_IOUT
STATUS_ISTBY
7C
STATUS_INPUT
7D
STATUS_TEMPERATURE
7E
7F
STATUS_CML
STATUS_OTHER
Read
# of
/ Page
Bit #
Bit Name
Definition
Bytes
Write
0
POUT_OP_W
Set when an output overpower warning has occurred
1
POUT_OP_F
Set when an output overpower fault has occurred
2 POWER_LIMIT_MODE Set when the unit has entered output power limiting mode
3
CURRENT_SHARE_F Set when an output current share fault has occurred
R
0
1
4
IOUT_UC_W
Set when an output undercurrent fault has occurred
5
IOUT_OC_W
Set when an output overcurrent warning has occurred
Set when an output overcurrent and low voltage shutdown fault has
6 IOUT_OC_SHUTDOWN
occurred
7
IOUT_OC_F
Set when an output overcurrent fault has occurred
0
POUT_OP_W
Set when an output overpower warning has occurred
1
POUT_OP_F
Set when an output overpower fault has occurred
2 POWER_LIMIT_MODE Set when the unit has entered output power limiting mode
3
CURRENT_SHARE_F Set when an output current share fault has occurred
R
1
1
4
IOUT_UC_W
Set when an output undercurrent fault has occurred
5
IOUT_OC_W
Set when an output overcurrent warning has occurred
Set when an output overcurrent and low voltage shutdown fault has
6 IOUT_OC_SHUTDOWN
occurred
7
IOUT_OC_F
Set when an output overcurrent fault has occurred
0
PIN_OP_W
Set when an input overpower warning has occurred
1
IIN_OC_W
Set when an input overcurrent warning has occurred
2
IIN_OC_F
Set when an input overcurrent fault has occurred
3
VIN_UV_OFF
Set when the Unit is OFF for insufficient input voltage
R
All
1
4
VIN_UV_F
Set when an input undervoltage fault has occurred
5
VIN_UV_W
Set when an input undervoltage warning has occurred
6
VIN_OV_W
Set when an input overvoltage warning has occurred
7
VIN_OV_F
Set when an input overvoltage fault has occurred
0
RESERVED
Reserved
1
RESERVED
Reserved
2
RESERVED
Reserved
3
RESERVED
Reserved
R
All
1
4 TEMPERATURE_UT_F Set when an undertemperature fault has occurred
5 TEMPERATURE_UT_W Set when an undertemperature warning has occurred
6 TEMPERATURE_OT_W Set when an overtemperature warning has occurred
7 TEMPERATURE_OT_F Set when an overtemperature fault has occurred
0
OTHER_MEMORY_F Set when another memory or logic fault has occurred
Set when a communication fault not listed in [7:3] has occurred
1
OTHER_COMM_F
(example: UART or SPI)
2
RESERVED
Reserved
3
PROCESSOR_F
Set when a processor fault is detected
R
All
1
Set when a memory fault is detected (example: Checksum errors
4
MEMORY_F
during bootload)
5
PEC_ERROR_F
Set when a packet error checking (PEC) failed has occurred
6
DATA_ERROR_F
Set when invalid or unsupported data is received
7 COMMAND_ERROR_F Set when an invalid or unsupported command is received
0
RESERVED
Reserved
1
ORING_OUTPUT_F Set when output ORing device fault occurs
2
ORING_INPUT_B_F Set when input B ORing device fault occurs
3
ORING_INPUT_A_F Set when input A ORing device fault occurs
R
All
1
4
FUSE_INPUT_B_F Set when input B fuse/breaker fault occurs
5
FUSE_INPUT_A_F Set when input A fuse/breaker fault occurs
6
RESERVED
Reserved
7
RESERVED
Reserved
Supported?
YES
YES
NO
NO
NO
YES
YES
YES
YES
YES
NO
NO
NO
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
YES
YES
NO
YES
NO
NO
NO
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
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ACAN-66.A01 Page 5 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code
(Hex)
80
Command Name
Read /
# of
Page
Bit #
Write
Bytes
STATUS_MFR_SPECIFIC
R
All
1
Bit Name
Definition
Supported?
0
1
RESERVED
RESERVED
Reserved
Reserved
NO
NO
2
VINT_RANGE_W
3
VINT_RANGE_F
4
VBUS_UV_F
5
VBUS_UV_W
6
VBUS_OV_W
7
0
1
2
3
4
5
6
7
0
1
2
3
4
5
6
7
VBUS_OV_F
FAN_AIRFLOW_W
FAN_AIRFLOW_F
FAN_2_OVERRIDE
FAN_1_OVERRIDE
FAN_2_W
FAN_1_W
FAN_2_F
FAN_1_F
FAN_AIRFLOW_W
FAN_AIRFLOW_F
FAN_4_OVERRIDE
FAN_3_OVERRIDE
FAN_4_W
FAN_3_W
FAN_4_F
FAN_3_F
Set when an internal voltage (VCC2, VCC4, or VDD) out-of-range
warning has occurred
Set when an internal voltage (VCC2, VCC4, or VDD) out-of-range fault
has occurred
Set when the primary boost output bus undervoltage fault has occurred
Set when the primary boost output bus undervoltage warning has
occurred
Set when the primary boost output bus overvoltage warning has
occurred
Set when the primary boost output bus overvoltage fault has occurred
Airflow warning
Airflow fault
Fan 2 speed overridden
Fan 1 speed overridden
Fan 2 warning
Fan 1 warning
Fan 2 fault
Fan 1 fault
Airflow warning
Airflow fault
Fan 4 speed overridden
Fan 3 speed overridden
Fan 4 warning
Fan 3 warning
Fan 4 fault
Fan 3 fault
NO
YES
YES
YES
YES
YES
NO
NO
NO
YES
NO
YES
NO
YES
NO
NO
NO
NO
NO
NO
NO
NO
81
STATUS_FANS_1_2
R
All
1
82
STATUS_FANS_3_4
R
All
1
88
READ_VIN
R
All
2
Input Voltage Sensor Reading
YES
89
READ_IIN
R
All
2
Input Current Sensor Reading
YES
8B
READ_VOUT
R
0
2
Main Output Voltage Sensor Reading
YES
8B
READ_VSTBY
R
1
2
Standby(Auxilliary) Output Voltage Sensor Reading
YES
8C
READ_IOUT
R
0
2
8C
READ_ISTBY
R
1
2
8D
READ_TEMPERATURE_1
R
0
2
8E
READ_TEMPERATURE_2
R
0
2
8F
READ_TEMPERATURE_3
R
0
2
8F
READ_TEMPERATURE_3
R
1
8F
READ_TEMPERATURE_3
R
90
READ_FAN_SPEED_1
R
91
READ_FAN_SPEED_2
R
0
2
Fan 2 Speed Sensor Reading
NO
96
READ_POUT
R
All
2
Output Power Sensor Reading
YES
97
READ_PIN
R
All
2
Input Power Sensor Reading
YES
98
PMBUS_REVISION
R
All
1
PMBus Specification Revision
YES
99
MFR_ID
R
All
Power Supply Company Name
YES
9A
MFR_MODEL
R/W
All
Power Supply Model Number
YES
9B
MFR_REVISION
R
0
10
32
Max
17
Power Supply Firmware Revision
YES
9B
MFR_REVISION
R
1
17
Power Supply Firmware Revision
YES
9B
MFR_REVISION
R
2
17
Power Supply Firmware Revision
NO
Link to Sensor Data:
Main Output Current Sensor Reading
Sensor_Data_HA4TC
Standby(Auxilliary) Output Current Sensor Reading
Sensor_Data_HA3TC Airflow 1 Temperature Sensor Reading
YES
YES
YES
Airflow 2 Temperature Sensor Reading
YES
Hotspot 1 Temperature Sensor Reading
Sensor_Data_HC4TC Hotspot 2 Temperature Sensor Reading
YES
2
2
2
Hotspot 3 Temperature Sensor Reading
NO
0
2
Fan 1 Speed Sensor Reading
YES
Sensor_Data_HB4TC
Sensor_Data_HC3TC
YES
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ACAN-66.A01 Page 6 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code
(Hex)
Command Name
9C
MFR_LOCATION
R/W
All
9D
MFR_DATE
R/W
All
9E
MFR_SERIAL
R/W
All
Read /
# of
Page
Bit #
Write
Bytes
A1
MFR_VIN_MAX
R
All
16
Max
16
Max
16
Max
2
A2
MFR_IIN_MAX
R
All
2
A3
MFR_PIN_MAX
R
All
2
Bit Name
Definition
Supported?
Power Supply Manufacture Location
YES
Power Supply Manufacture Date
YES
Power Supply Serial Number
YES
Link to Returned
Power Supply Input Voltage Maximum Specification
Results:
Power
Supply Input Current Maximum Specification
Returned_Parametric_
Data
Power Supply Input Power Maximum Specification
YES
YES
YES
A4
MFR_VOUT_MIN
R
All
2
Power Supply Main Output Voltage Minimum Specification
YES
A5
MFR_VOUT_MAX
R
All
2
Power Supply Main Output Voltage Maximum Specification
YES
A6
MFR_IOUT_MAX
R
All
2
Power Supply Main Output Current Maximum Specification
YES
A7
MFR_POUT_MAX
R
All
2
Power Supply Output Power Maximum Specification
YES
A8
MFR_TAMBIENT_MAX
R
All
2
Power Supply Operating Ambient Temperature Maximum Specification
YES
A9
MFR_TAMBIENT_MIN
R
All
2
Power Supply Operating Ambient Temperature Minimum Specification
YES
2
Power Supply Low-Line Input Voltage Specification
YES
2
Power Supply Low-Line Low Power Specification
YES
2
Power Supply Low-Line Low Power Efficiency Specification
YES
2
Power Supply Low-Line Medium Power Specification
YES
2
Power Supply Low-Line Medium Power Efficiency Specification
YES
2
Power Supply Low-Line High Power Specification
YES
2
Power Supply Low-Line HIgh Power Efficiency Specification
YES
2
Power Supply High-Line Input Voltage Specification
YES
2
Power Supply High-Line Low Power Specification
YES
2
Power Supply High-Line Low Power Efficiency Specification
YES
2
Power Supply High-Line Medium Power Specification
YES
2
Power Supply High-Line Medium Power Efficiency Specification
YES
2
Power Supply High-Line High Power Specification
YES
2
Power Supply High-Line HIgh Power Efficiency Specification
YES
AA
AB
MFR_EFFICIENCY_LL
MFR_EFFICIENCY_HL
R
R
All
All
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ACAN-66.A01 Page 7 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code
(Hex)
E0
Command Name
Read /
# of
Page
Bit #
Write
Bytes
PS_STATUS
R
All
2
0
1
CALIBRATION
VSTBY_SELECT
2
PS_KILL
3
VIN_OK
4
VIN_RANGE
5
6
PFC_BUS
PS_ON
7
POWER_GOOD
8
POWER_DOWN
10
11
12
13
BOOTLOAD_COMPLE
TED
UNUSED
UNUSED
UNUSED
UNUSED
14
WARNING
15
FAULT
9
E1
E2
EE
EEPROM_WP
See Example Data:
EEPROM_DATA_example
READ_HOURS_USED
PMBUS_CONFIG
R/W
All
1
R
All
3
R
All
2
Link to: PMBUS_Configuration
EF
F0
LED_CONTROL
Link to LED Data: LED_Control
READ_RESETS
R
R
All
All
1
Bit Name
Definition
Supported?
Set when the unit is in Calibration mode
Set when Vstby set to 5V; de-Set when Vstby set to 3.3V
Set when the PS_KILL pin is defeated and the unit is properly seated
in the chassis
Set when the input voltage is within operating specification
Set when input voltage range is high; de-Set when input voltage
range is low
Set when the PFC BUS is within operating specification
Set when the PS_ON logic set to enable the main output
Set when main output power delivered to unit is OK; mirrors the
digital output signal
Set when bootloader is taking control and the main output and PFC
need to be shutdown
Set when the bootloader has completed and system reset needs to
be Set
DATA_FORMAT
1
SMBALERT_L
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
Set when power supply warning has occurred; tracks 'WARNING'
status LED
Set when power supply fault has occurred; tracks 'FAULT' status
LED
Byte to enable (write 0x9A) or disable (write 0x56) writes to the
external EEPROM
0
YES
YES
YES
YES
YES
Power Supply Accumulated Main Output Power-On Hours
0 = Linear data format 1 = Direct data format
0 = SMBALERT_L implemented & supported 1 = SMBALERT not
implemented
0 = 100kHz 1 = 400kHz
0 = PEC not supported 1 = PEC supported
YES
YES
NO
NO
YES
NO
2
3
4:7
8:1
5
MAX_BUS_SPEED
PEC
RESERVED
CMD_KEY
Command activation/verification key = 0x5A
YES
0:2
LED_MODE
LED mode change bits
YES
3:6
7
RESERVED
LED_CONTROL
LED manual/auto control toggle bit
NO
NO
2
RCON register status flags for troubleshooting
2
RCON2 register status flags for troubleshooting
YES
F8
BOOTLOAD_RESTART
R/W
All
1
Bootloader completion and application restart request command
YES
FA
BOOTLOAD_REQUEST
R/W
All
6
Bootloader request command
YES
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ACAN-66.A01 Page 8 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code
(Hex)
FB
Command Name
Read /
# of
Page
Bit #
Write
Bytes
BOOTLOAD_STATUS
R
All
0
1
2
3
4
5
6
7
2
8
9
10
11
12
13
14
15
Bit Name
Definition
Supported?
BOOTLOADING_PRI
BOOTLOADING_FLOAT
BOOTLOADING_SEC
BOOTLOADED_PRI
BOOTLOADED_FLOAT
BOOTLOADED_SEC
RESET_PRI
RESET_FLOAT
RESET_SEC
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
RESERVED
Set when primary uC bootloading in process
Set when floating uC bootloading in process
Set when secondary uC bootloading in process
Set when primary uC bootloading completed; reset required
Set when floating uC bootloading completed; reset required
Set when secondary uC bootloading completed; reset required
Set when primary uC reset
Set when floating uC reset
Set when secondary uC reset
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
The following tables represents typical results / responses returned from respective command code entries and is provided as an
illustration of what should be expected.
RETURNED RESULTS, D1U54P-W-1500-12-HA3TC & D1U54P-W-1500-12-HA4TC
Link back to: Commands
Command
Code
(Hex)
Command Name
Read
/
Write
Page
Format
# of
Bytes
Units
Scaling
Coefficients
N
m
R
b
40
VOUT_OV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vdc
-6
14
40
VSTBY_OV_FAULT_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
6
41
41
VOUT_OV_FAULT_RESPONSE
VSTBY_OV_FAULT_RESPONSE
R
R
0
1
Bit Flags
Bit Flags
Bit
#
Reading
Comments
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output remains
disabled until fault clear
7:6
3
Response - Output disabled while
fault is present & remains disabled
until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output remains
disabled until fault clear
7:6
3
Response - Output disabled while
fault is present & remains disabled
until fault cleared
1
1
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ACAN-66.A01 Page 9 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
Command Name
Read /
Write
Page
42
VOUT_OV_WARN_LIMIT
R
0
42
VSTBY_OV_WARN_LIMIT
R
43
VOUT_UV_WARN_LIMIT
43
Scaling Coefficients
# of
Bytes
Units
Linear Data
Format
2
Vdc
-6
13.1
1
Linear Data
Format
2
Vdc
-7
5.4
R
0
Linear Data
Format
2
Vdc
-6
11.4
VSTBY_UV_WARN_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
4.4
44
VOUT_UV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vdc
-6
10.9
44
VSTBY_UV_FAULT_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
4
45
45
VOUT_UV_FAULT_RESPONSE
VSTBY_UV_FAULT_RESPONSE
R
R
0
1
Format
Bit Flags
Bit Flags
N
m
R
Bit #
Reading
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
1
46
IOUT_OC_FAULT_LIMIT
R
0
Linear Data
Format
2
Adc
-2
140
46
ISTBY_OC_FAULT_LIMIT
R
2
Linear Data
Format
2
Adc
-7
5.5
47
47
IOUT_OC_FAULT_RESPONSE
ISTBY_OC_FAULT_RESPONSE
R
R
0
2
Bit Flags
Bit Flags
1
Comments
b
2:0
0
Delay Time - None
5:3
7
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Continuous restart
(self-recovery)
2:0
0
Delay Time - None
5:3
7
Response - Continuous restart
(self-recovery)
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
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ACAN-66.A01 Page 10 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
Command Name
Read /
Write
Page
4A
IOUT_OC_WARN_LIMIT
R
0
4A
ISTBY_OC_WARN_LIMIT
R
4F
AIRFLOW_1_OT_FAULT_LIMIT
4F
Scaling Coefficients
# of
Bytes
Units
Linear Data
Format
2
Adc
-2
133
2
Linear Data
Format
2
Adc
-7
5
R
0
Linear Data
Format
2
°C
0
95
Primary Airflow - Outlet
HOTSPOT_1_OT_FAULT_LIMIT
R
1
Linear Data
Format
2
°C
0
120
Primary Hotspot - PFC
4F
AIRFLOW_2_OT_FAULT_LIMIT
R
2
Linear Data
Format
2
°C
0
75
Secondary Airflow - Inlet
4F
HOTSPOT_2_OT_FAULT_LIMIT
R
3
Linear Data
Format
2
°C
0
130
Secondary Hotspot - Main output
hotspot
50
50
50
50
4F
AIRFLOW_1_OT_FAULT_RESPONSE
HOTSPOT_1_OT_FAULT_RESPONSE
AIRFLOW_2_OT_FAULT_RESPONSE
HOTSPOT_2_OT_FAULT_RESPONSE
AIRFLOW_1_OT_WARN_LIMIT
R
R
R
R
R
0
1
2
3
0
Format
Bit Flags
Bit Flags
Bit Flags
Bit Flags
Linear Data
Format
N
m
R
Bit #
Reading
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
85
Primary Airflow - Outlet
1
1
1
1
2
°C
0
Comments
b
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ACAN-66.A01 Page 11 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
Command Name
Read /
Write
Page
4F
HOTSPOT_1_OT_WARN_LIMIT
R
1
4F
AIRFLOW_2_OT_WARN_LIMIT
R
4F
HOTSPOT_2_OT_WARN_LIMIT
55
VIN_OV_FAULT_LIMIT
56
VIN_OV_FAULT_RESPONSE
Scaling Coefficients
# of
Bytes
Units
Linear Data
Format
2
°C
0
110
Primary Hotspot - PFC
2
Linear Data
Format
2
°C
0
75
Secondary Airflow - Inlet
R
3
Linear Data
Format
2
°C
0
125
Secondary Hotspot - Main output
hotspot
R
0
Linear Data
Format
2
Vrms
-1
280
Recoverable
R
0
Format
Bit Flags
N
m
R
Bit #
Reading
Comments
b
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
57
VIN_OV_WARN_LIMIT
R
0
Linear Data
Format
2
Vrms
-1
275
Recoverable
58
VIN_UV_WARN_LIMIT
R
0
Linear Data
Format
2
Vrms
-1
80
Recoverable
59
VIN_UV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vrms
-1
70
Recoverable
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
5A
5B
5C
VIN_UV_FAULT_RESPONSE
IIN_OC_FAULT_LIMIT
IIN_OC_FAULT_RESPONSE
R
R
R
0
0
0
Bit Flags
Linear Data
Format
Bit Flags
1
2
Arms
-6
18
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
5D
IIN_OC_WARN_LIMIT
R
0
Linear Data
Format
2
Arms
-6
16.7
5E
POWER_GOOD_ON
R
0
Linear Data
Format
2
Vdc
-6
10.9
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ACAN-66.A01 Page 12 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
Command Name
5F
68
69
Read /
Write
Page
POWER_GOOD_OFF
R
0
POUT_OP_FAULT_LIMIT
R
0
POUT_OP_FAULT_RESPONSE
R
0
Scaling Coefficients
# of
Bytes
Units
Linear Data
Format
2
Vdc
-6
10.9
Linear Data
Format
2
Watts
0
1660
Format
Bit Flags
N
m
R
Bit #
Reading
Comments
b
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
6A
POUT_OP_WARN_LIMIT
R
0
Linear Data
Format
2
Watts
0
1600
6B
PIN_OP_WARN_LIMIT
R
0
Linear Data
Format
2
Watts
0
1850
POUT_OP_WARN_LIMIT / 0.82
RETURNED RESULTS, D1U54P-W-1500-12-HC3TC & D1U54P-W-1500-12-HC4TC
Link back to: Commands
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
40
VOUT_OV_FAULT_LIMIT
R
0
Linear
Data
Format
2
Vdc
-6
14
40
VSTBY_OV_FAULT_LIMIT
R
1
Linear
Data
Format
2
Vdc
-7
3.9
41
41
42
VOUT_OV_FAULT_RESPONSE
VSTBY_OV_FAULT_RESPONSE
VOUT_OV_WARN_LIMIT
R
R
R
0
1
0
Bit Flags
Bit Flags
Linear
Data
Format
N
m
R
b
Bit #
Reading
2:0
0
5:3
0
7:6
3
2:0
0
5:3
0
7:6
3
1
1
2
Vdc
-6
Comments
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
13.1
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ACAN-66.A01 Page 13 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
42
VSTBY_OV_WARN_LIMIT
R
1
Linear
Data
Format
2
Vdc
-7
3.6
43
VOUT_UV_WARN_LIMIT
R
0
Linear
Data
Format
2
Vdc
-6
11.4
43
VSTBY_UV_WARN_LIMIT
R
1
Linear
Data
Format
2
Vdc
-7
3
44
VOUT_UV_FAULT_LIMIT
R
0
Linear
Data
Format
2
Vdc
-6
10.9
44
VSTBY_UV_FAULT_LIMIT
R
1
Linear
Data
Format
2
Vdc
-7
2.9
45
45
VOUT_UV_FAULT_RESPONSE
VSTBY_UV_FAULT_RESPONSE
R
R
0
1
Bit Flags
Bit Flags
N
m
R
b
Bit #
Reading
2:0
0
5:3
0
7:6
3
2:0
0
5:3
0
7:6
3
1
1
46
IOUT_OC_FAULT_LIMIT
R
0
Linear
Data
Format
2
Adc
-2
140
46
ISTBY_OC_FAULT_LIMIT
R
2
Linear
Data
Format
2
Adc
-7
5.5
47
47
4A
IOUT_OC_FAULT_RESPONSE
ISTBY_OC_FAULT_RESPONSE
IOUT_OC_WARN_LIMIT
R
R
R
0
2
0
Bit Flags
Bit Flags
Linear
Data
Format
1
2:0
0
5:3
7
7:6
3
2:0
0
5:3
7
7:6
3
1
2
Adc
-2
Comments
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Continuous restart
(self-recovery)
Delay Time - None
Response - Continuous restart
(self-recovery)
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
133
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ACAN-66.A01 Page 14 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
4A
ISTBY_OC_WARN_LIMIT
R
2
Linear
Data
Format
2
Adc
-7
5
4F
AIRFLOW_1_OT_FAULT_LIMIT
R
0
Linear
Data
Format
2
°C
0
95
Primary Airflow - Outlet
4F
HOTSPOT_1_OT_FAULT_LIMIT
R
1
Linear
Data
Format
2
°C
0
120
Primary Hotspot - PFC
4F
AIRFLOW_2_OT_FAULT_LIMIT
R
2
Linear
Data
Format
2
°C
0
75
Secondary Airflow - Inlet
4F
HOTSPOT_2_OT_FAULT_LIMIT
R
3
Linear
Data
Format
2
°C
0
130
Secondary Hotspot - Main
output hotspot
50
50
50
50
AIRFLOW_1_OT_FAULT_RESPONSE
HOTSPOT_1_OT_FAULT_RESPONSE
AIRFLOW_2_OT_FAULT_RESPONSE
HOTSPOT_2_OT_FAULT_RESPONSE
R
R
R
R
0
1
2
3
Bit Flags
Bit Flags
Bit Flags
Bit Flags
N
m
R
b
Bit #
Reading
2:0
0
5:3
0
7:6
3
2:0
0
5:3
0
7:6
3
2:0
0
5:3
0
7:6
3
2:0
0
5:3
0
7:6
3
1
1
1
1
Comments
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present &
remains disabled until fault
cleared
4F
AIRFLOW_1_OT_WARN_LIMIT
R
0
Linear
Data
Format
2
°C
0
85
Primary Airflow - Outlet
4F
HOTSPOT_1_OT_WARN_LIMIT
R
1
Linear
Data
Format
2
°C
0
110
Primary Hotspot - PFC
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ACAN-66.A01 Page 15 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
4F
AIRFLOW_2_OT_WARN_LIMIT
R
2
Linear
Data
Format
2
°C
0
70
Secondary Airflow - Inlet
4F
HOTSPOT_2_OT_WARN_LIMIT
R
3
Linear
Data
Format
2
°C
0
125
Secondary Hotspot - Main
output hotspot
55
VIN_OV_FAULT_LIMIT
R
0
Linear
Data
Format
2
Vrms
-1
280
Recoverable
56
VIN_OV_FAULT_RESPONSE
R
0
Bit Flags
N
m
R
b
Bit #
Reading
2:0
0
5:3
0
7:6
3
1
Comments
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present & remains
disabled until fault cleared
57
VIN_OV_WARN_LIMIT
R
0
Linear
Data
Format
2
Vrms
-1
275
Recoverable
58
VIN_UV_WARN_LIMIT
R
0
Linear
Data
Format
2
Vrms
-1
80
Recoverable
59
VIN_UV_FAULT_LIMIT
R
0
Linear
Data
Format
2
Vrms
-1
70
Recoverable
2:0
0
5:3
0
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
7:6
3
5A
5B
5C
VIN_UV_FAULT_RESPONSE
IIN_OC_FAULT_LIMIT
IIN_OC_FAULT_RESPONSE
R
R
R
0
0
0
Bit Flags
Linear
Data
Format
Bit Flags
1
2
Arms
-6
Response - Output disabled
while fault is present & remains
disabled until fault cleared
18
2:0
0
5:3
0
7:6
3
1
5D
IIN_OC_WARN_LIMIT
R
0
Linear
Data
Format
2
Arms
-6
16.7
5E
POWER_GOOD_ON
R
0
Linear
Data
Format
2
Vdc
-6
10.9
5F
POWER_GOOD_OFF
R
0
Linear
Data
Format
2
Vdc
-6
10.9
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present & remains
disabled until fault cleared
www.murata-ps-com/support
ACAN-66.A01 Page 16 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
68
POUT_OP_FAULT_LIMIT
R
0
Linear
Data
Format
2
Watts
69
POUT_OP_FAULT_RESPONSE
R
0
Bit Flags
Scaling Coefficients
N
m
R
b
Bit #
0
Reading
Comments
1660
2:0
0
5:3
0
7:6
3
1
6A
POUT_OP_WARN_LIMIT
R
0
Linear
Data
Format
2
Watts
0
1600
6B
PIN_OP_WARN_LIMIT
R
0
Linear
Data
Format
2
Watts
0
1850
Delay Time - None
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault
clear
Response - Output disabled
while fault is present & remains
disabled until fault cleared
POUT_OP_WARN_LIMIT / 0.82
RETURNED RESULTS, D1U54P-W-1500-12-HB4TC
Link back to: Commands
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
40
VOUT_OV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vdc
-6
14
40
VSTBY_OV_FAULT_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
14
N
m
R
b
Bit #
2:0
41
41
VOUT_OV_FAULT_RESPONSE
VSTBY_OV_FAULT_RESPONSE
R
R
0
1
Bit Flags
Bit Flags
Reading
Comments
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
1
42
VOUT_OV_WARN_LIMIT
R
0
Linear Data
Format
2
Vdc
-6
13.1
42
VSTBY_OV_WARN_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
13.5
43
VOUT_UV_WARN_LIMIT
R
0
Linear Data
Format
2
Vdc
-6
11.4
www.murata-ps-com/support
ACAN-66.A01 Page 17 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
43
VSTBY_UV_WARN_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
11.3
44
VOUT_UV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vdc
-6
10.9
44
VSTBY_UV_FAULT_LIMIT
R
1
Linear Data
Format
2
Vdc
-7
11.1
45
45
VOUT_UV_FAULT_RESPONSE
VSTBY_UV_FAULT_RESPONSE
R
R
0
1
Bit Flags
Bit Flags
N
m
R
b
Bit #
Reading
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
1
46
IOUT_OC_FAULT_LIMIT
R
0
Linear Data
Format
2
Adc
-2
140
46
ISTBY_OC_FAULT_LIMIT
R
2
Linear Data
Format
2
Adc
-7
3
2:0
47
47
IOUT_OC_FAULT_RESPONSE
ISTBY_OC_FAULT_RESPONSE
R
R
0
2
Bit Flags
Bit Flags
1
Comments
0
Delay Time - None
5:3
7
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Continuous restart
(self-recovery)
2:0
0
Delay Time - None
5:3
7
Response - Continuous restart
(self-recovery)
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
4A
IOUT_OC_WARN_LIMIT
R
0
Linear Data
Format
2
Adc
-2
133
4A
ISTBY_OC_WARN_LIMIT
R
2
Linear Data
Format
2
Adc
-7
2.7
4F
AIRFLOW_1_OT_FAULT_LIMIT
R
0
Linear Data
Format
2
°C
0
95
Primary Airflow - Outlet
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ACAN-66.A01 Page 18 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Scaling Coefficients
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
4F
HOTSPOT_1_OT_FAULT_LIMIT
R
1
Linear Data
Format
2
°C
0
120
Primary Hotspot - PFC
4F
AIRFLOW_2_OT_FAULT_LIMIT
R
2
Linear Data
Format
2
°C
0
75
Secondary Airflow - Inlet
4F
HOTSPOT_2_OT_FAULT_LIMIT
R
3
Linear Data
Format
2
°C
0
130
Secondary Hotspot - Main
output hotspot
50
50
50
50
AIRFLOW_1_OT_FAULT_RESPONSE
HOTSPOT_1_OT_FAULT_RESPONSE
AIRFLOW_2_OT_FAULT_RESPONSE
HOTSPOT_2_OT_FAULT_RESPONSE
R
R
R
R
0
1
2
3
Bit Flags
Bit Flags
Bit Flags
Bit Flags
N
m
R
b
Bit #
Reading
Comments
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
1
1
1
4F
AIRFLOW_1_OT_WARN_LIMIT
R
0
Linear Data
Format
2
°C
0
85
Primary Airflow - Outlet
4F
HOTSPOT_1_OT_WARN_LIMIT
R
1
Linear Data
Format
2
°C
0
110
Primary Hotspot - PFC
4F
AIRFLOW_2_OT_WARN_LIMIT
R
2
Linear Data
Format
2
°C
0
70
Secondary Airflow - Inlet
4F
HOTSPOT_2_OT_WARN_LIMIT
R
3
Linear Data
Format
2
°C
0
125
Secondary Hotspot - Main
output hotspot
www.murata-ps-com/support
ACAN-66.A01 Page 19 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
Command Name
Read /
Write
Page
Format
# of
Bytes
Units
55
VIN_OV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vrms
56
VIN_OV_FAULT_RESPONSE
R
0
Bit Flags
Scaling Coefficients
N
m
R
b
Bit #
-1
Reading
280
Comments
Recoverable
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
57
VIN_OV_WARN_LIMIT
R
0
Linear Data
Format
2
Vrms
-1
275
Recoverable
58
VIN_UV_WARN_LIMIT
R
0
Linear Data
Format
2
Vrms
-1
80
Recoverable
59
VIN_UV_FAULT_LIMIT
R
0
Linear Data
Format
2
Vrms
-1
70
Recoverable
2:0
5A
5B
VIN_UV_FAULT_RESPONSE
IIN_OC_FAULT_LIMIT
R
R
0
0
Bit Flags
Linear Data
Format
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
2
Arms
-6
18
2:0
5C
IIN_OC_FAULT_RESPONSE
R
0
Bit Flags
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
5D
IIN_OC_WARN_LIMIT
R
0
Linear Data
Format
2
Arms
-6
16.7
5E
POWER_GOOD_ON
R
0
Linear Data
Format
2
Vdc
-6
10.9
5F
POWER_GOOD_OFF
R
0
Linear Data
Format
2
Vdc
-6
10.9
68
POUT_OP_FAULT_LIMIT
R
0
Linear Data
Format
2
Watts
0
1660
www.murata-ps-com/support
ACAN-66.A01 Page 20 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
Command
Code (Hex)
69
Read /
Write
Command Name
POUT_OP_FAULT_RESPONSE
R
Page
0
Format
Bit Flags
# of
Bytes
Units
Scaling Coefficients
N
m
R
b
Bit #
Reading
Comments
2:0
0
Delay Time - None
5:3
0
Retry Setting - Unit does not
attempt to restart & output
remains disabled until fault clear
7:6
3
Response - Output disabled
while fault is present & remains
disabled until fault cleared
1
6A
POUT_OP_WARN_LIMIT
R
0
Linear Data
Format
2
Watts
0
1600
6B
PIN_OP_WARN_LIMIT
R
0
Linear Data
Format
2
Watts
0
1850
POUT_OP_WARN_LIMIT / 0.82
SENSOR DATA AND RESOLUTION: D1U54P-W-1500-12-HA4TC
Link Back to: Command 88
Scaling Coefficients
Command
Code
(Hex)
Command Name
Description
Page
88
READ_VIN
Input Voltage Sensor
Reading
All
Linear Data
Vrms
Format
-1
89
READ_IIN
Input Current Sensor
Reading
All
Linear Data
Arms
Format
-5
8B
READ_VOUT
Main Output Voltage Sensor
Reading
0
Linear Data
Format
Vdc
-6
8B
READ_VSTBY
Standby(Auxilliary) Output
Voltage Sensor Reading
1
Linear Data
Format
Vdc
-7
8C
READ_IOUT
Main Output Current Sensor
Reading
0
Linear Data
Format
Adc
-2
8C
READ_ISTBY
Standby(Auxilliary) Output
Current Sensor Reading
1
Linear Data
Format
Adc
-7
8D
READ_TEMPERATURE_1
°C
0
8E
READ_TEMPERATURE_2
°C
0
8F
READ_TEMPERATURE_3
8F
READ_TEMPERATURE_3
90
READ_FAN_SPEED_1
96
Temperature Sensor Reading
- Inlet (Secondary Side)
Temperature Sensor Reading
- Outlet (Primary Side)
Temperature Sensor Reading
- Main Output Hotspot
(Secondary Side)
Temperature Sensor Reading
- PFC Hotspot (Primary Side)
0
0
Format
Linear Data
Format
Linear Data
Format
Units
N
m
R
b
Raw Sensor
PMBus Reporting Sensor
Full-scale /
Full-scale
Resolution
Resolution
Accuracy
Range
/ Range
+ / - 2% of
327.93
0.3206
511.5
0.5
Reporting FullScale
+ / - 5% of
17.86
0.0175
31.97
0.0313
Reporting FullScale
+ / - 2% of
14.79
0.0145
15.98
0.0156
Reporting FullScale
+ / - 2% of
6.6
0.0065
7.992 0.00781 Reporting FullScale
+ / - 2% of
173.65
0.1697 255.75
0.250
Reporting FullScale
+ / - 2% of
4.33
0.0042
7.992 0.00781 Reporting FullScale
-40 to
1
+ / - 5°C
-40 to 150
150
-40 to
-40 to 150
1
+ / - 5°C
150
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
1
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
Fan 1 Speed Sensor Reading
All
Linear Data
RPM
Format
5
24,000
32736
32
READ_POUT
Output Power Sensor
Reading
All
Linear Data
Watts
Format
1
2046
2
97
READ_PIN
Input Power Sensor Reading
All
Linear Data
Watts
Format
1
2046
2
E2
READ_POWER_ON_HOURS
Accumulated Main Output
Power-On Hours
All
Linear Data
Hours
Format
0
~1,900
(Years)
1
~1,900
(Years)
+ / - 5% of
Reporting FullScale
+ / - 5% of
Reporting FullScale
+ / - 5% of
Reporting FullScale
+ / - 3%
www.murata-ps-com/support
ACAN-66.A01 Page 21 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
SENSOR DATA AND RESOLUTION: D1U54P-W-1500-12-HA3TC
Link to Commands: Command_back_88
Scaling Coefficients
Command
Code
(Hex)
Command Name
88
READ_VIN
89
READ_IIN
8B
Raw Sensor
PMBus Reporting Sensor
Full-scale /
Full-scale
b
Resolution
Resolution
Accuracy
Range
/ Range
+ / - 2% of
327.93
0.3206
511.5
0.5
Reporting FullScale
+ / - 5% of
17.86
0.0175
31.97
0.0313
Reporting FullScale
+ / - 2% of
14.79
0.0145
15.98
0.0156
Reporting FullScale
+ / - 2% of
6.6
0.0065
7.992 0.00781
Reporting FullScale
+ / - 2% of
173.65
0.1697
255.75
0.250
Reporting FullScale
+ / - 2% of
4.33
0.0042
7.992 0.00781
Reporting FullScale
Page
Format
Units
Input Voltage Sensor
Reading
All
Linear Data
Format
Vrms
-1
Input Current Sensor
Reading
All
Linear Data
Format
Arms
-5
READ_VOUT
Main Output Voltage Sensor
Reading
0
Linear Data
Format
Vdc
-6
8B
READ_VSTBY
Standby(Auxilliary) Output
Voltage Sensor Reading
1
Linear Data
Format
Vdc
-7
8C
READ_IOUT
Main Output Current Sensor
Reading
0
Linear Data
Format
Adc
-2
8C
READ_ISTBY
Standby(Auxilliary) Output
Current Sensor Reading
1
Linear Data
Format
Adc
-7
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
1
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
Fan 1 Speed Sensor Reading
All
Linear Data
Format
RPM
5
24,000
32736
32
Output Power Sensor
Reading
All
Linear Data
Watts
Format
1
2046
2
Input Power Sensor Reading
All
Linear Data
Watts
Format
1
2046
2
Accumulated Main Output
Power-On Hours
All
Linear Data
Hours
Format
0
~1,900
(Years)
1
8D
8E
8F
8F
Description
Temperature Sensor
READ_TEMPERATURE_1 Reading - Inlet (Primary
Side)
Temperature Sensor
READ_TEMPERATURE_2 Reading - Outlet (Secondary
Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - Main Output
Hotspot (Secondary Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - PFC Hotspot
(Primary Side)
90
READ_FAN_SPEED_1
96
READ_POUT
97
READ_PIN
E2
READ_POWER_ON_HOURS
N
m
R
~1,900
(Years)
+ / - 5% of
Reporting FullScale
+ / - 5% of
Reporting FullScale
+ / - 5% of
Reporting FullScale
+ / - 3%
www.murata-ps-com/support
ACAN-66.A01 Page 22 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
SENSOR DATA AND RESOLUTION: D1U54P-W-1500-12-HB4TC
Link to Commands: Command_back_88
Command
Code
(Hex)
88
89
8B
8B
8C
8C
8D
8E
8F
8F
90
96
97
E2
Scaling Coefficients
Command Name
Description
Input Voltage Sensor
Reading
Input Current Sensor
READ_IIN
Reading
Main Output Voltage Sensor
READ_VOUT
Reading
Standby(Auxilliary) Output
READ_VSTBY
Voltage Sensor Reading
Main Output Current Sensor
READ_IOUT
Reading
Standby(Auxilliary) Output
READ_ISTBY
Current Sensor Reading
Temperature Sensor
READ_TEMPERATURE_1 Reading - Inlet (Secondary
Side)
Temperature Sensor
READ_TEMPERATURE_2 Reading - Outlet (Primary
Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - Main Output
Hotspot (Secondary Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - PFC Hotspot
(Primary Side)
Fan 1 Speed Sensor
READ_FAN_SPEED_1
Reading
Output Power Sensor
READ_POUT
Reading
Input Power Sensor
READ_PIN
Reading
Accumulated Main Output
READ_POWER_ON_HOURS
Power-On Hours
READ_VIN
Page
All
All
0
1
0
1
Format
Linear Data
Format
Linear Data
Format
Linear Data
Format
Linear Data
Format
Linear Data
Format
Linear Data
Format
Units
N
Vrms
-1
Arms
-5
Vdc
-6
Vdc
-6
Adc
-2
Adc
-8
m
R
b
Raw Sensor
PMBus Reporting Sensor
Full-scale /
Full-scale
Resolution
Resolution
Accuracy
Range
/ Range
+ / - 2% of
327.93
0.3206
511.5
0.5
Reporting Full-Scale
+ / - 5% of
17.86
0.0175
31.97
0.0313
Reporting Full-Scale
+ / - 2% of
14.79
0.0145
15.98
0.0156
Reporting Full-Scale
+ / - 2% of
14.73
0.0144 15.984 0.01563
Reporting Full-Scale
+ / - 2% of
173.65
0.1697 255.75
0.250
Reporting Full-Scale
+ / - 2% of
4.33
0.0042
3.996 0.00391
Reporting Full-Scale
0
Linear Data
Format
°C
0
-40 to 150
-40 to 150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to 150
-40 to 150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to 150
-40 to 150
1
+ / - 5°C
1
Linear Data
Format
°C
0
-40 to 150
-40 to 150
1
+ / - 5°C
RPM
5
24,000
32736
32
Watts
1
2046
2
Watts
1
2046
2
~1,900
(Years)
1
All
All
All
All
Linear Data
Format
Linear Data
Format
Linear Data
Format
Linear Data
Format
Hours
0
~1,900
(Years)
+ / - 5% of
Reporting Full-Scale
+ / - 5% of
Reporting Full-Scale
+ / - 5% of
Reporting Full-Scale
+ / - 3%
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ACAN-66.A01 Page 23 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
SENSOR DATA AND RESOLUTION: D1U54P-W-1500-12-HC4TC
Link to Commands: Command_back_88
Command
Code
(Hex)
88
89
8B
8B
8C
8C
8D
8E
8F
8F
90
96
97
E2
Scaling Coefficients
Command Name
Description
Input Voltage Sensor
Reading
Input Current Sensor
READ_IIN
Reading
Main Output Voltage
READ_VOUT
Sensor Reading
Standby(Auxilliary) Output
READ_VSTBY
Voltage Sensor Reading
Main Output Current
READ_IOUT
Sensor Reading
Standby(Auxilliary) Output
READ_ISTBY
Current Sensor Reading
Temperature Sensor
READ_TEMPERATURE_1 Reading - Inlet (Secondary
Side)
Temperature Sensor
READ_TEMPERATURE_2 Reading - Outlet (Primary
Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - Main Output
Hotspot (Secondary Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - PFC Hotspot
(Primary Side)
Fan 1 Speed Sensor
READ_FAN_SPEED_1
Reading
Output Power Sensor
READ_POUT
Reading
Input Power Sensor
READ_PIN
Reading
Accumulated Main Output
READ_POWER_ON_HOURS
Power-On Hours
READ_VIN
Page
All
All
0
1
0
1
Format
Units
Linear Data
Vrms
Format
Linear Data
Arms
Format
Linear Data
Vdc
Format
Linear Data
Vdc
Format
Linear Data
Adc
Format
Linear Data
Adc
Format
N
-1
-5
-6
-7
-2
-7
m
R
b
Raw Sensor
PMBus Reporting Sensor
Full-scale
Full-scale
Resolution
Resolution
Accuracy
/ Range
/ Range
+ / - 2% of
327.93 0.3206
511.5
0.5
Reporting Full-Scale
+ / - 5% of
17.86
0.0175
31.97
0.0313
Reporting Full-Scale
+ / - 2% of
14.79
0.0145
15.98
0.0156
Reporting Full-Scale
+ / - 2% of
6.6
0.0065
7.992
0.00781
Reporting Full-Scale
+ / - 2% of
173.65 0.1697 255.75
0.250
Reporting Full-Scale
+ / - 2% of
4.33
0.0042
7.992
0.00781
Reporting Full-Scale
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
1
Linear Data
Format
°C
0
-40 to 150
-40 to
150
1
+ / - 5°C
RPM
5
24,000
32736
32
Watts
1
2046
2
Watts
1
2046
2
~1,900
(Years)
1
All
All
All
All
Linear Data
Format
Linear Data
Format
Linear Data
Format
Linear Data
Format
Hours
0
~1,900
(Years)
+ / - 5% of
Reporting Full-Scale
+ / - 5% of
Reporting Full-Scale
+ / - 5% of
Reporting Full-Scale
+ / - 3%
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ACAN-66.A01 Page 24 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
SENSOR DATA AND RESOLUTION: D1U54P-W-1500-12-HC3TC
Link back to Commands: Command_back_88
Scaling Coefficients
Raw Sensor
PMBus Reporting Sensor
Full-scale
Full-scale
Resolution
Resolution
Accuracy
/ Range
/ Range
+ / - 2% of
327.93 0.3206
511.5
0.5
Reporting FullScale
+ / - 5% of
17.86
0.0175
31.97
0.0313
Reporting FullScale
+ / - 2% of
14.79
0.0145
15.98
0.0156
Reporting FullScale
+ / - 2% of
6.6
0.0065
7.992
0.00781
Reporting FullScale
+ / - 2% of
173.65 0.1697 255.75
0.250
Reporting FullScale
+ / - 2% of
4.33
0.0042
7.992
0.00781
Reporting FullScale
Command
Code
(Hex)
Command Name
88
READ_VIN
Input Voltage Sensor
Reading
All
Linear Data
Vrms
Format
-1
89
READ_IIN
Input Current Sensor
Reading
All
Linear Data
Arms
Format
-5
8B
READ_VOUT
Main Output Voltage
Sensor Reading
0
Linear Data
Format
Vdc
-6
8B
READ_VSTBY
Standby(Auxilliary) Output
Voltage Sensor Reading
1
Linear Data
Format
Vdc
-7
8C
READ_IOUT
Main Output Current
Sensor Reading
0
Linear Data
Format
Adc
-2
8C
READ_ISTBY
Standby(Auxilliary) Output
Current Sensor Reading
1
Linear Data
Format
Adc
-7
0
Linear Data
Format
°C
0
-40 to
150
-40 to
150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to
150
-40 to
150
1
+ / - 5°C
0
Linear Data
Format
°C
0
-40 to
150
-40 to
150
1
+ / - 5°C
1
Linear Data
Format
°C
0
-40 to
150
-40 to
150
1
+ / - 5°C
24,000
32736
32
8D
8E
8F
8F
Description
Temperature Sensor
READ_TEMPERATURE_1 Reading - Inlet (Primary
Side)
Temperature Sensor
READ_TEMPERATURE_2 Reading - Outlet
(Secondary Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - Main Output
Hotspot (Secondary Side)
Temperature Sensor
READ_TEMPERATURE_3 Reading - PFC Hotspot
(Primary Side)
Page
Format
Units
N
m
R
b
90
READ_FAN_SPEED_1
Fan 1 Speed Sensor
Reading
All
Linear Data
RPM
Format
5
96
READ_POUT
Output Power Sensor
Reading
All
Linear Data
Watts
Format
1
2046
2
97
READ_PIN
Input Power Sensor
Reading
All
Linear Data
Watts
Format
1
2046
2
E2
READ_POWER_ON_HOURS
Accumulated Main Output
Power-On Hours
All
Linear Data
Hours
Format
0
~1,900
(Years)
1
~1,900
(Years)
+ / - 5% of
Reporting FullScale
+ / - 5% of
Reporting FullScale
+ / - 5% of
Reporting FullScale
+ / - 3%
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ACAN-66.A01 Page 25 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
MANUFACTURER’S GENERAL PARAMETRIC DATA
Link back to: Command_Back_A1
Command Code (Hex)
Command Name
Value
Units
N
Value (dec)
A1
MFR_VIN_MAX
264
V
-1
528
A2
MFR_IIN_MAX
14
A
-5
448
A3
MFR_PIN_MAX
1800
W
1
900
A4
MFR_VOUT_MIN
11.4
V
-6
730
A5
MFR_VOUT_MAX
12.61
V
-6
807
A6
MFR_IOUT_MAX
133.3
A
-4
2133
A7
MFR_POUT_MAX
1600
W
1
800
A8
MFR_TAMBIENT_MAX
55
C
0
55
A9
MFR_TAMBIENT_MIN
0
C
0
0
MFR_EFFICIENCY_LL_VIN
110
V
-1
220
MFR_EFFICIENCY_LL_POUT1
240
W
0
240
MFR_EFFICIENCY_LL_EFF1
0.88
10
901
MFR_EFFICIENCY_LL_POUT2
600
0
600
MFR_EFFICIENCY_LL_EFF2
0.92
10
942
MFR_EFFICIENCY_LL_POUT3
1200
0
1200
MFR_EFFICIENCY_LL_EFF3
0.89
10
911
MFR_EFFICIENCY_HL_VIN
230
V
-1
460
MFR_EFFICIENCY_HL_POUT1
320
W
0
320
MFR_EFFICIENCY_HL_EFF1
0.9
10
922
MFR_EFFICIENCY_HL_POUT2
800
0
800
MFR_EFFICIENCY_HL_EFF2
0.94
10
963
MFR_EFFICIENCY_HL_POUT3
1600
0
1600
MFR_EFFICIENCY_HL_EFF3
0.91
10
932
AA
AB
W
W
W
W
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ACAN-66.A01 Page 26 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
OPERATION COMMAND CODE 01 HEX
Link Back to Commands: back_to_command_01
Bit # / Bit Description
7
On/off 1
6
5
4
Valid Values
3
2
Margin
Margin
On/off 0
Margin fault control 1
on/off/high/low 1 on/off/high/low 0
1
0
Margin fault
control 0
not used
not used
0
0
x
x
x
x
x
x
1
0
x
x
x
x
x
x
Power Supply On/Off Mode
Dec
Hex
0 - 63
0 - 3F
Disable power supply when OPERATION
command supported
128 - 191 80 - BF
Enable power supply when OPERATION
command supported (Default)
ON/OFF COMMAND CODE 02 HEX
Link Back to Commands: back_to_command_02
Bit # / Bit Description
7
6
5
reserve
d
reserve
d
reserve
d
0
0
0
0
0
0
4
CONTROL
pin /
OPERATIO
N
command
PS on/off
1
1
0
0
0
0
0
0
0
Valid Values
3
2
1
0
OPERATIO
N
command
on/off
CONTRO
L pin
on/off
CONTRO
L pin
polarity
CONTRO
L pin
action
Dec
Hex
0
0
1
1
0
1
1
1
1
1
0
x
1
21
23
25 or
27
15
17
19 or
1B
0
1
1
1
0
1
29
1D
0
1
1
1
1
1
31
1F
Power Supply On/Off Mode
Control pin only ; active low polarity
Control pin only ; active high polarity
Operation command only
Operation command and control pin ; active low
polarity
(Default)
Operation command and control pin ; active high
polarity
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ACAN-66.A01 Page 27 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
EEPROM DATA: Example, based on D1U54P-W-1500-12-HC4TC. Actual results may vary based on model
Link back to: Command_E1
Address
Data
Length
Register Contents (Hexadecimal Format)
Order = Low Address -> High Address
Dynamic Data Byte = "xx"
0x00
1
01
Static or
Dynamic
Register?
(S/D)
S
0x01
1
00
S
HEX
0x02
1
00
S
HEX
0x03
1
00
S
HEX
0x04
1
01
S
HEX
0x05
1
00
S
HEX
0x06
1
00
S
HEX
0x07
1
FE
S
HEX
0x08
1
01
S
HEX
Register Name
IPMI common header
Product area - format version
Data
Type
Description
HEX
0x09
1
09
Product area - length
S
HEX
0x0A
1
19
Product area - language code
S
HEX
0x0B
1
C9
Manufacturer name - length
S
HEX
0x0C - 0x14
9
4D,75,72,61,74,61,2D,50,53
Manufacturer name
S
TEXT
0x15
1
C5
Product name - length
S
HEX
0x16 - 0x1A
5
4D,31,38,39,31
Product name
S
TEXT
0x1B
1
Product part/model number - length
S
HEX
0x1C - 0x31
22
Product part/model number
S
TEXT
0x32
1
D9
44,31,55,35,34,50,2D,57,2D,31,35,30,30,2D,3
1,32,2D,48,43,34,54,43
C0
Product version - unused
S
HEX
0x33
1
CC
Serial number - length
S
HEX
0x34- 0x3F
12
xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx,xx
Serial number
D
TEXT
0x40 - 0x45
6
C0,C0,C0,C0,C0,C0
Unused product area fields
S
HEX
0x46
1
C1
End of product area data
S
HEX
0x47 - 0x4B
5
00
Pad
D
HEX
0x4C
1
xx
Product area checksum
D
HEX
0x4D - 0xFF
179
00
Pad
S
HEX
Murata-PS
M1891
D1U54P-W-150012-HC4TC
Fill unused space
0x08 - 0x4B Twos complement
Fill unused space
PMBUS Configuration Bits
Link back to: Command_EE
Parameter
Bit#
Data Format
Bit 0
SMBALERT
Bit 1
Bus Speed
Bit 2
PEC support
Bit 3
Bit
Function
1
Direct Data Format
0
Linear Data Format
1
PS does not have SMBALERT pin or does not support SMBus alert protocol
0
PS does have SMBALERT pin and supports SMBus alert protocol
Default
1
Maximum supported bus speed = 400kHz
Default
0
Maximum supported bus speed = 100kHz
1
Packed error checking supported
0
Packed error checking not supported
Default
Default
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ACAN-66.A01 Page 28 of 29
PMBusTM Communication Protocol
ACAN-66 Application Note
LED CONTROL
Link back to commands: Command_EF
Bit # / Bit Description
4
3
7
6
5
CONTROL
Bit
reserved
reserved
reserved
reserved
0
0
0
0
1
1
1
0
0
0
X
0
0
0
0
0
0
X
0
0
0
0
0
0
X
0
0
0
0
0
0
X
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
0
0
0
0
0
0
0
0
0
0
0
1
1
1
X
0
0
0
0
1
1
1
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
X
X
0
0
0
0
0
0
0
0
0
0
0
0
0
0
= Default, x=don’t care
Murata Power Solutions, Inc.
11 Cabot Boulevard, Mansfield, MA 02048 -1151 U.S.A.
ISO 9001 and 14001 REGISTERED
2
LED
Mode Bit
2
Valid Values
1
0
LED
LED
Dec
Hex
Mode Bit
Mode Bit
1
0
Page 0 - INPUT LED
0
0
0
0
0
1
1
1
1
0
2
2
X
X
0 - 127 0 - 7F
0
0
128
80
0
1
129
81
1
0
130
82
Page 1 - OUTPUT LED
0
0
0
0
0
1
1
1
1
0
2
2
1
1
3
3
0
0
4
4
0
1
5
5
1
0
6
6
X
X
0 - 127 0 - 7F
0
0
128
80
0
1
129
81
1
0
130
82
1
1
131
83
0
0
132
84
0
1
133
85
1
0
134
86
Read / Write
LED Status & Control
Read
Read
Read
Write
Read / Write
Read / Write
Read / Write
Auto - LED off (default)
Auto - LED solid green (default)
Auto - LED blinking green (default)
Set to Auto LED control
Set to Manual - LED off
Set to Manual - LED solid green
Set to Manual - LED blinking green
Read
Read
Read
Read
Read
Read
Read
Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Read / Write
Auto - LED off (default)
Auto - LED solid green (default)
Auto - LED blinking green (default)
Auto - LED solid red (default)
Auto - LED blinking red (default)
Auto - LED solid yellow (default)
Auto - LED blinking yellow (default)
Set to Auto LED control
Set to Manual - LED off
Set to Manual - LED solid green
Set to Manual - LED blinking green
Set to Manual - LED solid red
Set to Manual - LED blinking red
Set to Manual - LED solid yellow
Set to Manual - LED blinking yellow
This product is subject to the following operating requirements
and the Life and Safety Critical Application Sales Policy:
Refer to: http://www.murata-ps.com/requirements/
Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other
technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not
imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change
without notice.
© 2016 Murata Power Solutions, Inc.
www.murata-ps-com/support
ACAN-66.A01 Page 29 of 29