C-Series Operation Manual

Operation Manual
C Series Switch Mode Power Supply
PAN40004-001EA00-OM
SANKEN ELECTRIC CO., LTD.
http://www.sanken-ele.co.jp/en/
December 2012
Table of Contents
Safety Precautions
Appearance and Meaning of Safety Warnings
Hazard and Caution Safety Warnings
3
4
5
Introduction to C Series
8
Names of Product Parts
Model Number Description
9
10
Input and Output Terminals, Connectors, and Pin Assignments
11
Block Diagrams
15
Functional Description
Parallel Operation
Input Voltage Range, Harmonic Current, and Inrush Current
16
16
17
Input voltage range
17
Harmonic current
17
Inrush current
Protection Functions
17
17
Overcurrent protection (OCP)
17
Overvoltage protection (OVP)
17
Thermal shutdown protection
Alarm Functions
17
18
PR signal
18
LV-Alarm signal
Output voltage adjustable range and remote sensing
18
20
Output voltage adjustable range
20
Remote sensing
20
Remote on/off control
21
Installation and De-Installation
DC module connection
DC module disconnection
Base power unit installation
Derating
Mounting Dimensions – C300
Mounting Dimensions – C450
Mounting Dimensions – C650
22
22
23
24
25
26
27
28
This paper is prepared as of Dec. 2012 and subject to change without notice.
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December 2012
Safety Precautions
Be sure to observe the precautions explained below.
1. Be sure to read this complete document and the detailed
specifications of the individual products in the product series
before using the product.
2. The products should be handled only by persons who have
competent electrical knowledge.
3. The products are DC stabilized power supplies with special structures created for mounting inside of protective electrical device enclosures. Use only when properly mounted in
protected device enclosures.
4. Although Sanken strives to improve the quality and the
reliability of the products, please implement safety designs
that comply or exceed all industry standards and all of
the regulatory requirements of the jurisdictions where the
products will be used. Safety designs for use of the products
are the responsibility of the customer or user. The customer
or user has the responsibility not to endanger human life
or health, or to damage property due to malfunction and/or
failures of the products when using them.
5. When considering use of the products for the following
equipment and applications, for which there is enhanced risk
that the products could endanger human life or affect property maintenance or public functions, be sure to secure suf-
PAN40004-001EA00-OM
!
ficient fail-safe functionality of the customer or user devices
by means of system redundancies and other methods:
• Medical equipment, etc. that could directly endanger
human life
• Electric trains and other conveyances such as elevators,
etc. that could result in personal injury
• Vehicles and vessels, etc. that could be affected by
vibration or shock
• Traffic systems, etc. that could exert an important
influence on society and the public
• Any other applications and equipment similar to those
mentioned above.
6. Be sure to observe the items below:
• Do not disassemble, repair, or modify these products.
• Do not touch inside of the products because of high
voltage.
• Use the products within the specified input voltage,
frequency, output voltage, and output current ranges.
• Be sure to observe designated ambient environment
conditions, such as ambient temperature and relative
humidity.
• Each product model has a designated method for
installation and mounting. Observe installation and
mounting instructions.
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December 2012
Appearance and Meaning of Safety Warnings
In this document, the levels of safety warnings are divided into
two categories, Hazard and Caution.
!
Disregarding a Hazard display and incorrectly using the
product could result in death and/or serious injury.
Hazard
!
Disregarding a Caution display and incorrectly using
the product could result in personal injury and/or
physical damage.
Caution
Be sure to observe the safety precautions indicated on the product
and in documentation by symbols and text. The general meaning
of symbols is as follows:
Prohibited action
!
Strong warning
Electric shock hazard
Fire hazard
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December 2012
Hazard and Caution Safety Warnings
General Cautionary Notices
!
Hazard
• Shock hazard
• Never take off the cover.
• There is a high voltage circuit inside and touching it mistakenly could result in death and/or serious injury.
• Fire hazard
• If any abnormal odor or abnormal noise, or smoking or ignition arises in the product, immediately turn off
the product and cut the power input to the product by opening an external circuit breaker or other means.
• Please contact the vendor from which the product was purchased and/or Sanken.
• In case of fire, use a fire extinguisher of a powder/ABC type approved for use on electrical fires.
Note: Never use water.
Handling of Base Power Unit
!
Caution
• Never install devices other than the designated Sanken DC modules into open slots in the products.
• Never insert your hand into open slots.
• The ground terminal of the product should be connected to earth ground correctly.
• Unless connected directly to earth ground, electric shock could result.
• Ensure that the grounding wire is connected directly to earth with a thick and short wire.
• Inside the base power unit is high voltage.
• Never disassemble, repair, or remodel the base power unit or touch directly inside it with your hands,
otherwise electric shock could result.
• The base power unit installation and mounting specifications are provided. Ensure that the base power unit
is installed according to the specifications.
• Do not install the base power unit incorrectly.
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December 2012
Handling of DC Modules
!
Caution
Observe installation and mounting directions as described in the operation manual, otherwise fire or electric
shock due to failures, degradation, and so forth, could result.
!
Turn the power source off and make sure that the supply of power has stopped before replacing the DC
module, otherwise fire or electric shock due to failures, degradation, and so forth, could result.
!
DC modules could retain residual electrical charges and have a hot temperature after operation. Do not
touch them carelessly soon after powering them down, and be sure to let them cool down completely before
resuming operation.
!
When taking out and putting in DC modules, make sure not to touch any components on the printed circuit
board (PCB), otherwise personal injury and/or damage to the products could result.
!
When taking out DC modules, because connectors could be connected tightly, be careful not to cause
personal injury and/or damage to the products.
Do not take out or put in DC modules when the power supply is operating, otherwise it could cause damage
to the DC modules.
Be sure not to store DC modules on metal surfaces. If the back side of a DC modules is placed against a
metal surface, it could cause damage to the DC modules.
Make sure not to use DC module alone. When using DC modules, make sure to connect them with an
appropriate base power unit.
!
When a load short-circuit and/or a short-circuit at start-up arise, damage to the products could result. Before
powering-up the products, please make sure to pay special attention to ensuring that no load short-circuit
condition exists.
Insulating Resistance and Withstand Voltage
!
Caution
Be sure not to conduct withstanding voltage test without inserting Sanken DC modules. When applying
insulating resistance test and withstand voltage test, please consult with Sanken.
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December 2012
Other Precautions
!
Caution
Each power supply model has a designated input/output range. Be sure to use the products within
designated input/output range.
!
Be sure that the total power consumption connecting with the load does not exceed the rated output
capacity per each power supply. If a power supply is used under an overload condition, it could cause fire.
Be sure to use thick wire for input/output wiring, and that it is appropriate for the input/output power. If thin
wires are used, it could cause fire.
Be sure not to use and/or store the products in temperature, humidity, and dew condensation conditions
beyond the ambient environmental conditions specified in the catalog and/or operation manual, otherwise
failure of the products could result.
!
When the power supply is operated in dusty conditions, please apply dust proofing measures. The dust
could interfere heat dissipation and cause failure and/or fire.
!
When the power supply is installed, be sure to use designated screws (paying particular attention to screw
length and diameter), otherwise electric shock and/or fire could result.
The products are not intended for use in equipment that requires high reliability for sustaining human life.
Be sure not to use the products for any particular application such as in nuclear reactor and/or power control
systems, aerospace applications, special Medical equipment, and so forth.
!
When installing the products, be sure to connect each input terminal and output terminal without fail,
otherwise malfunction and damage to the products, personal injury, and fire could result.
Be sure not to apply any external voltage to output terminals of the products, otherwise damage to the
internal devices of the products could result.
Be sure not to use and/or store the products in an environment with corrosive gases such as hydrogen
sulfide, sulfur dioxide, and so forth, otherwise damage to the products could result.
When operating the products in an environment with interference from radio waves, electric fields, or
magnetic fields, the products may malfunction, which could lead to failures. Be sure not to use the products
under such conditions.
!
Although Sanken strives to improve the quality and the reliability of the products, the customer and user are
responsible to be sure to apply safe design of their equipment before using the products.
PAN40004-001EA00-OM
SANKEN ELECTRIC CO., LTD.
7
December 2012
Introduction to C Series
General Description
The C Series are flexible multi-output power supplies that enable
simple combination of various modules.
Features and Benefits
• High reliability with low noise and low leakage current
• Medical and information equipment approval to
UL60950-1, C-UL, EN60950 and EN60601-1 3rd
• Direct PFC with interleaving and AC synchronized rectification
• Higher withstand voltage and lower leakage current
• OCP, OVP and OHP, remote sensing, control, and alarm (AC
power fail, fan alarm, and low output)
DC Module
(Typical)
PAN40004-001EA00-OM
C300
C450
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C650
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December 2012
Names of Product Parts
Base Power Unit – Front View (with DC modules installed)
Bus bar for parallel operation
(Bundled with C130x24)
Base Power Unit
DC Modules
Output terminal (TB2)
Signal input/output terminal (CN2)
LED status connector
Output voltage adjusters
Slot 1
Slot 2
GND common slots
Slot 3
(C300, C450, and C650)
Slot 4
GND common slot (C300 and C450)
Isolated slot (C650 only)
Installed
DC modules
Slot 5
Base Power Unit
Base Power Unit – Rear View
AUX - Signal output terminal (CN1)
Live
Neutral
FG
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Input terminals (TB1)
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December 2012
DC Module – Simplified View
Connector to base power unit
Output terminal (TB2)
Signal input/output terminal (CN2)
LED operation display
Output voltage adjuster
Mounting tab
Model Number Description
Base Power Unit
C [NNN]
Nominal total rated output wattage, at 200 V
nominal system input (200 to 240 VAC)
Series identifier, for C series
DC Module
C [NNN] [A] [NN]
Nominal total rated output voltage, according to table:
Output mode
S: Single output
M: Multiple output
X: Corresponding to parallel drive
Nominal total rated output wattage
Series identifier, for C series
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SANKEN ELECTRIC CO., LTD.
Symbol
Voltage
(V)
03
3.3
05
5
12
12
15
15
24
24
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December 2012
Input and Output Terminals, Connectors, and Pin Assignments
Base power unit terminals, connectors, and pin assignments
TB1
L 1
N 2
3
CN1
123
C300, C450 and C650 Power Inputs
Identification
Symbol
Pin Assignments
Connector
Model
UF2028AX
(Fujicon)
TB1
Pin Number
Name
Note
1
AC (Live)
AC input
2
AC (Neutral)
AC input
3
FG
FG connection
Screws
Size
Recommended Fastening Torque
M4
1.2 N•m (12.3 kgf•cm)
C300, C450 Auxiliary Terminals
Identification
Symbol
Pin Assignments
Connector
Model
S3B-XH-A
(JST)
Pin Number
Name
1
GND
2
PR
Alarm signal; active high at
alarm operation
3
AUX
Auxiliary output; for remote
on / off
CN1
PAN40004-001EA00-OM
Note
Auxiliary output GND
Housing
XHP-3
(JST)
Housing
SXH-001T-P0.6
(JST)
Contact
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December 2012
TB1
L 1
N 2
3
CN1
1...5
C650 Auxiliary Terminals
Identification
Symbol
Pin Assignments
Connector
Model
Pin Number
S5B-XH-A
(JST)
CN1
Name
Note
1
AUX1
Auxiliary output1; for remote
on / off of GND common slots
2
GND1
Auxiliary output GND 1
3
PR
Alarm signal; active high at
alarm operation
4
GND2
Auxiliary output GND 2
5
AUX2
Auxiliary output 2; for isolated
slot
Housing
PAN40004-001EA00-OM
XHP-5
(JST)
Housing
SXH-001T-P0.6
(JST)
Contact
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December 2012
DC module terminals, connectors, and pin assignments
2
4
6
8
+Vo
–Vo
Single output DC modules
CN2
1
3
5
7
CN2 Enlargement
VR1
Vo Adjust
Single Output DC Module Power Terminals
Identification
Symbol
Connector
Model
UF2028AX
(Fujicon)
Pin Assignments
Pin Number
Name
1
+Vo
2
–Vo
TB2
Note
Output voltage (+)
Output voltage (–)
Screws
Size
Recommended Fastening Torque
M4
1.2 N•m (12.3 kgf•cm)
Single Output DC Module Signal Terminals
Identification
Symbol
Connector
Model
S8B-PHDSS
(JST)
CN2
Pin Assignments
Pin Number
Name
Note
1
+Remote On/Off
Remote on/off
2
–Remote On/Off
Remote on/off (GND)
3
+M
Remote sensing auxiliary
terminal 1 (Only for C150S)
4
–M
Remote sensing auxiliary
terminal 2 (Only for C150S)
5
LV-Alarm+
LV alarm output
6
LV-Alarm–
LV alarm output (GND)
7
+Remote Sense
Remote sensing, Vo side
(Only for C150S)
8
–Remote Sense
Remote sensing, GND side
(Only for C150S)
Housing
PHDR-08VS
(JST)
Housing
SPHD-001T-P0.5
SPHD-002T-P0.5 Contact
(JST)
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December 2012
VR1
+Vo Adjust
+Vo
2
4
6
8
COM
Dual output DC modules
–Vo
CN2
1
3
5
7
CN2 Enlargement
VR1
–Vo Adjust
Dual Output DC Module Power Terminals
Identification
Symbol
Connector
Model
Input Pin Assignments
Pin Number
F2361AX
(Fujicon)
TB2
Name
Note
1
+Vo
Output voltage (+)
2
COM
Output voltage (common)
3
–Vo
Output voltage (–)
Screws
Size
Recommended Fastening Torque
M3
0.5 N•m (5.1 kgf•cm)
NOTE: When applying load, please be sure to connect +Vo and COM or -Vo and COM. Never apply
load by directly connecting +Vo or -Vo without use of COM.
Dual Output DC Module Signal Terminals
Identification
Symbol
Connector
Model
S8B-PHDSS
(JST)
CN2
Output Pin Assignments
Pin Number
Name
Note
1
+Remote On/Off
Remote on/off
2
–Remote On/Off
Remote on/off (GND)
3
NC
Open
4
NC
Open
5
LV-Alarm+
LV alarm output
6
LV-Alarm–
LV alarm output (GND)
7
NC
Open
8
NC
Open
Housing
PHDR-08VS
(JST)
Housing
SPHD-001T-P0.5
SPHD-002T-P0.5 Contact
(JST)
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December 2012
Block Diagrams
C300 series
300C-series
W C-series
power
supply
power
supply
85 to 264 VAC
Noise filter
PFC
Auxiliary power
supply
Isolated
converter
SELV
DC21V
FAN
Slot 1
DC module
Slot 2
DC module
Slot 3
DC module
Slot 4
DC module
AUX 12V
C450 series
power
supply
450C-series
W C-series
power
supply
85 to 264 VAC
Noise filter
PFC
Auxiliary power
supply
Isolated
converter
SELV
DC21V
FAN
Slot 1
DC module
Slot 2
DC module
Slot 3
DC module
Slot 4
DC module
Slot 5
DC module
AUX 12V
C650 series
650 W C-series power supply
85 to 264 VAC
Noise filter
PFC
Auxiliary power
supply
Isolated
converter
FAN
SELV
DC21V
Slot 1
DC module
Slot 2
DC module
Slot 3
DC module
Slot 4
DC module
Slot 5
DC module
(Isolated)
AUX1 12V
AUX2 12V
(Isolated)
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December 2012
Functional Description
Parallel Operation
Slots corresponding to parallel operation
DC modules capable of parallel operation are available as the
C130X24 model. Be sure to pay attention to following notes
when operating in parallel using the DC modules.
1. When using the DC modules with adjusted output voltage, all
DC modules to be connected in parallel must be adjusted independently. When adjusting using the output adjuster, ensure there
are no bus bars bridging between different DC modules before
rotating the output adjuster. Upon completion of adjustment of
the output voltage, then please install the bus bars.
2. When connecting the output terminals, be sure to connect only
terminals with the same electrical polarity characteristics to the
same bus bar.
3. When installing DC modules in parallel operation configuration in a base power unit, be sure to use only slots that are
designed for parallel operation in the base power unit, as per the
following table:
PAN40004-001EA00-OM
C300
C450
C650
Slot 1
○
○
○
Slot 2
○
○
○
Slot 3
○
○
○
Slot 4
○
○
○
○
×
Slot 5
○: Compatible with parallel operation
×: Not compatible with parallel operation
4. When using the products with a dynamic load, be sure to apply
full evaluation and testing in the application before using.
CAUTION: The products are not compatible
with series operation. Be sure not to use the
products in a series configuration.
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December 2012
Input Voltage Range, Harmonic Current, and
Inrush Current
Input voltage range
The input voltage range of a base power unit is either
85 to 132 VAC or 180 to 264 VAC. If other than specified input
voltages are applied, it could cause the products to fail to operate
within the specifications and/or cause permanent failure of the
products.
Harmonic current
A harmonic current suppression circuit (active filter) is incorporated into each base power unit, and harmonic current is suppressed in all load conditions from no load to full load. The input
voltage range at which the harmonic current suppression circuit
activates is between 85 and 264 VAC.
Inrush current
If a switch is used for controlling input, be sure to select a switch
that can withstand the expected inrush current. If the AC supply is being switched off and on again, before reapplying power
wait until the internal cooling fan has stopped moving, otherwise
a large current could flow after release of the inrush preventive
circuit.
Protection Functions
Overvoltage protection (OVP)
Each DC module has an isolated overvoltage protection circuit
incorporated into it. When OVP is activated, it shuts down all
output. If output is stopped due to an overvoltage condition, be
sure to shut off the input and delay reapplying the AC supply
until more than 30 seconds after removal of the causes of the
overvoltage condition.
Thermal shutdown protection
Each base power unit has a thermal shutdown protection circuit
incorporated. The circuit is activated when the following abnormalities occur:
• When the airflow volume of the internal fan is lowered and/or
stopped, the internal temperature rises.
• When the base poser unit is used for a long time in conditions
exceeding the total rated power.
• When the base power unit is used in an ambient temperature
exceeding specified temperature in the specifications.
When thermal shutdown is activated, it shuts down all output.
Be sure to shut off the AC supply and remove the causes of the
overheating, as well as delay long enough for the products to cool
to normal temperatures, before reapplying the AC supply. If the
application requires that the product be used continuously, be
sure to apply thorough investigation of the causes and countermeasures for overheating before using the product.
Overcurrent protection (OCP)
Each DC module has an isolated overcurrent protection circuit
incorporated into it. When OCP is activated, it shuts down the
respective DC module. If output is stopped due to an overcurrent
condition, be sure to evaluate the load condition and remove the
causes of overcurrent before reapply AC either by remote on/off
or by input of the base power unit.
!
CAUTION: OCP does not necessarily
guarantee complete protection against any
short in the output circuit. Be sure not to short
the output when using the products.
!
CAUTION: Regardless of the OCP range, be
sure not to exceed total rated output current
range or rated output power of the products.
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December 2012
Alarm Functions
PR signal
This alarm is incorporated into each base power unit. The PR
terminal is set high when input voltage into the main body of the
base power unit is lowered below specification and/or the internal
fan is stopped.
LV-Alarm signal
This alarm is incorporated into each DC module. The LV-Alarm+
terminal is set high when the output of the DC module is lowered
below specification and/or is stopped.
Alarm Specifications
Alarm
Signal
Operating
Condition
PR
LV
Good
Set low (≤ 0.8 V and ≤ 8 mA)
Bad
Set high (2 to 35 V, or open)
Good
Bad
Set low (≤ 0.8 V and ≤ 20 mA)
Set high (2 to 35 V, or open)
LV-Alarm terminal internal circuit
PR terminal internal circuit
DC module
Base power unit
CN2
CN1
PR
(Open collector)
LV Alarm +
(Open collector)
LV Alarm –
(GND)
GND
PAN40004-001EA00-OM
Alarm Signal State
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December 2012
Alarm Timing Diagram
Input voltage
AUX
Fan rotational
speed
+Remote Sense
Signal
2 to 35 V or Open
+Remote On/Off
signal
≤ 0.8 V and ≤ 20 mA
DC module
output voltage
2 to 35 V or Open
LV-Alarm+
signal
PAN40004-001EA00-OM
≤ 0.8 V and ≤ 20 mA
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December 2012
Output voltage adjustable range and remote
sensing
Output voltage adjustable range
Each DC module has either one or two output voltage adjusters.
Rotate the adjuster clockwise to increase the output voltage and
counterclockwise to decrease the output voltage. When adjusting
the output voltage, be sure not to exceed either the rated output
power of the system, or the rated output current of the module.
The output voltage adjustable range varies for each DC module.
Please ascertain the specification of each DC module before
using.
Remote sensing
Some DC modules incorporate remote sensing function. Remote
sensing functions allow the system to compensate for voltage
reduction due to output wiring. The range of voltage compensation available varies according to DC module, as shown in the
table at right.
When using remote sensing, be sure to conduct a thorough evaluation and adjustment of the application system, based on the
remote sensing connection example shown.
Remote Sensing Voltage Compensation
DC Module Type
Voltage Compensation Range
C150S03, C150S05,
C150S12, C150S15
0.15 V and below
C150S24
0.30 V and below
NOTE: Any DC module not listed in this table is not compatible
with remote sensing.
Remote sensing connection example
DC module (remote
sensing compatible)
+Vo
Be sure to pay attention to following notes when using the remote
sensing function:
Load
–Vo
• Be sure to use thick wire, with a sufficient current capacity
margin above the maximum output current for wiring from power
supply to the load. Set the line drop to the compensated voltage or
below.
• Oscillating waveforms and/or fluctuations of output voltage
could arise due to wiring and load impedance. Be sure to apply a
thorough evaluation before using the products.
!
+M
–M
+Remote Sense
–Remote Sense
CAUTION: When a bad connection (for
example, caused by a loose screw) of a
load wire arises, the load current flows
into the remote sensing wire and it could
cause damage to the power supply due to
overheating. Be sure to pay attention when
connecting wires.
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December 2012
Remote on/off control
Each DC module has a remote on/off capability incorporated.
This function allows the output voltage to be switched on and
off by an external signal input to the DC module corresponding
Remote On/Off terminal.
By applying a voltage in the range of 10 to 27 V to the
Remote On/Off + terminal, the output of the corresponding DC
module is stopped. Please note that the fan inside of the main
body of the base power unit does not stop as a direct result of
the output of a DC module being stopped by the Remote On/Off
function.
CAUTION: If a voltage out of specification
is applied, it could cause malfunction and/
or damage to the power supply. Be sure to
apply specified voltage.
!
Model C650 has two such terminals, AUX1 and AUX2. Use
AUX1 for DC module on/off control by connecting it to the GND
common slots (slots 1 to 4) and use AUX2 for DC module on/off
control by connecting it to the isolated slot (slot 5).
!
CAUTION: If a combination of connections
is used that is different from the combination
specified above, it could cause malfunction
and/or damage to the products.
The specification for operation of the remote on/off function is
shown in the table at right, when using the connection examples shown.
A remote on/off signal effects each DC module individually and
cannot be used to shut all output off via the corresponding base
power unit. All or some of the GND common slots in a DC module can be stopped and started simultaneously by connecting each
remote on/off circuit in parallel.
Remote On/Off Signal Specification
Remote On/Off Terminal
Input Signal
DC Module
Output State
Low (0 to 0.5 V) or open
Output on
High (10 to 27 V)
Output off
NOTE: The GND common slots (and the
isolated slot on the C650) should not be used
to stop the base power unit.
The AUX signal output terminals (in base power unit connector
CN1) can be used for remote on/off control.
Remote On/Off connection example using switch
Base power unit
DC module
CN2
CN1
AUX
Trigger
GND
PAN40004-001EA00-OM
Remote On/Off connection example using transistor
Closed
Off
Open
On
+Remote On/Off
–Remote On/Off
Transistor Output
Base power unit
Switch Output
CN1
AUX
DC module
CN2
Trigger
GND
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High
Off
Low
On
+Remote On/Off
–Remote On/Off
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December 2012
Installation and De-Installation
DC module connection
To install a DC module into a base power unit, perform the following steps:
1. Confirm that the internal fan of the base power unit is stopped.
2. Confirm that input TB1 (AC) is shut off.
3. Align the DC module so that the mounting tab is on the bottom
side and to the right.
4. Align the top and bottom of the DC module with the guide
slots of the base power unit, and then slide the DC module slowly
along the slots until the rear connector seats in the mating connector of the base power unit.
5. Insert an M3 × 10 screw (provided with the base power unit)
through the DC module mounting tab hole, and using 0.5 N•m
(5.1 kgf•cm) of torque, tighten the screw into the mounting tab on
the front of the base power unit.
6. Connect the terminals of the DC module and perform the necessary tests described in this document before using the assembly.
Upper guide slot
Base power unit
DC module
Mounting tab
Lower guide slot
M3 x 10 screw
DC module
!
!
CAUTION: Be sure not
to install the DC module
while the base power unit
is activated, otherwise
personal injury and/or
damage to the products
could occur.
Base power unit
M3 x 10 screw
Side View
CAUTION: Be sure not
to damage any parts
mounted on the DC
module when inserting
the DC module.
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DC module disconnection
To remove a DC module from a base power unit, perform the
following steps:
between the terminal base on the DC module, and the top side of
the base power unit cover.
1. Confirm that input TB1 (AC) is shut off.
3. Wait until the unit has cooled to room temperature.
6. Using the edge of the base power unit cover as a fulcrum,
gently rotate the screwdriver handle toward the front of the base
power unit, prying the DC module out of the electrical connector
inside the base power unit until the DC module unseats.
4. Remove the screw fastening the DC module to the base power
unit.
7. Using gentle finger pressure, grasp the DC module and slowly
pull it out of the base power unit.
5. At the top of the DC module, gently insert a thin screwdriver
8. Retest and restart the base power unit as required.
2. Confirm that the internal fan of the base power unit is stopped.
Screwdriver
Base power unit
DC module
Screw
Mounting tab
!
!
!
CAUTION: Be sure not to
pull out the DC module while
base power unit is activated
and ensure that the AC input
is shut off before pulling the
DC module out, otherwise
personal injury and/or
damage to the products
could occur.
CAUTION: The DC
module may have a high
temperature after the DC
module is stopped. Be sure
to allow the DC module to
cool down before touching it.
Screwdriver
Screw
DC module
Base power unit
Side View
CAUTION: Be sure not to
damage any parts mounted
on the DC module when
pulling out the DC module.
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December 2012
insulation clearance distance to internal parts. Use M4 screws
(JIS B 0205 or equivalent) with 1.2 N•m (12.3 kgf•cm) torque.
Base power unit installation
Adequate airflow is mandatory to allow the fan inside the base
power unit to cool the unit and the DC modules. If the cooling
effect of the fan is insufficient, output could stop.
• If the product is used in a dusty environment, an air filter may
be required. In such a case, the filter may affect ventilation efficiency and weaken the cooling effect of the fan, causing output to
stop. Therefore derating is required for this case. Please consult
with Sanken for the details.
• Ensure there is at least 50 mm of free airspace clearance both
at the input side of base power unit and at the output side of the
DC modules for airflow. See illustrations below for recommendations.
• If the fan stops and/or the rotational speed of the fan gets
lowered, the product may stop due to thermal protection. Life
expectancy of the fan varies depending on usage conditions,
therefore regular inspections of the fan are required for improved
reliability. Please consult with Sanken for the details.
• When attaching the base power unit to a rack by screws, be sure
to use M4 screws and keep the insertion length within 3.5 mm
from surface of the base power unit case in order to maintain
Rack rail
Base power unit
(rear view)
(Case top)
Horizontal Installation A
Vertical Installation B
(Case top)
(Case top)
Mounting orientations for
normal installations
Vertical Installation C
Base power unit
Airflow into
base power
unit rear
Ventilation requirements
(Label)
Airflow out
of base power
unit front
(at DC modules)
Case Top View
50 mm
air space
minimum
3.5 mm
!
CAUTION: Do not allow
screws to penetrate more
than 3. 5 mm into the base
power unit case
50 mm
air space
minimum
Base power unit
Exterior case wall
Screws excluded
from this interior
area
3.5 mm
Rack rail
Rack rail
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December 2012
Derating
100
80
Load Factor (%)
Derating is applied to the base power unit and each DC module
independently. To prevent the load factor from being truncated
due to the derating, make sure the base power unit and each DC
module are used within specification, considering both derating of total rated power of base power unit and maximum rated
power of each DC module.
60
40
20
The derating characteristic of the products at various ambient
temperatures is shown in the chart below. This characteristic
applies to both the base power unit and each DC module. Make
sure to include both when calculating the total derating.
0
-20 -10 0 10 20 30 40 50 60 70
Ambient Temperature (°C)
Derating characteristic versus ambient
temperature
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December 2012
(4X)M4 Mounting Screw Holes
12.75
38
63.5
Mounting Dimensions – C300
171.5
19
Cooling
Air Inlet
103
DC Modules
(Label)
Cooling
Air Outlet
Cell 1
12.3
15.1
254
Top View
171.5
56.5
19
12.75
38
8.5
30.5
31.75
(4X)M4 Mounting Screw Holes
78.04
15
23.45
DC Modules
Bay
Cell 1
Cell 1
(3X)M4 Mounting Screw Holes
171.5
19
13.4
76.2
Dimensions in mm
Bottom View
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December 2012
(4X)M4 Mounting Screw Holes
12.75
38
63.5
Mounting Dimensions – C450
171.5
19
Cooling
Air Inlet
127
DC Modules
Cooling
Air Outlet
(Label)
Cell 1
12.3
15.1
254
Top View
171.5
63.5
19
12.75
38
8.5
30.5
31.75
(4X)M4 Mounting Screw Holes
89.95
15
23.45
DC Modules Bay
Cell 1
101.5
Cell 1
171.5
19
12.75
(3X)M4 Mounting Screw Holes
Dimensions in mm
Bottom View
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December 2012
12.75
38
63.5
Mounting Dimensions – C650
(4X)M4 Mounting Screw Holes
171.5
19
Cooling
Air Inlet
127
DC Modules
Cooling
Air Outlet
(Label)
Cell 1
12.3
15.1
279
Top View
171.5
63.5
19
12.75
38
8.5
30.5
31.75
(4X)M4 Mounting Screw Holes
90.05
15
23.45
DC Modules Bay
Cell 1
101.5
Cell 1
(3X)M4 Mounting Screw Holes
171.5
19
12.75
Dimensions in mm
Bottom View
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Sanken reserves the right to make, from time to time, such departures from the detail specifications as may be required to permit
improvements in the performance, reliability, or manufacturability of its products. Therefore, the user is cautioned to verify that the
information in this publication is current before placing any order.
When using the products described herein, the applicability and suitability of such products for the intended purpose shall be reviewed
at the users' responsibility.
Although Sanken undertakes to enhance the quality and reliability of its products, the occurrence of failure and defect of semiconductor products at a certain rate is inevitable.
Users of Sanken products are requested to take, at their own risk, preventative measures including safety design of the equipment or
systems against any possible injury, death, fires or damages to society due to device failure or malfunction.
Sanken products listed in this publication are designed and intended for use as components in general-purpose electronic equipment or
apparatus (home appliances, office equipment, telecommunication equipment, measuring equipment, etc.). Their use in any application requiring radiation hardness assurance (e.g., aerospace equipment) is not supported.
When considering the use of Sanken products in applications where higher reliability is required (transportation equipment and its
control systems or equipment, fire- or burglar-alarm systems, various safety devices, etc.), contact a company sales representative to
discuss and obtain written confirmation of your specifications.
The use of Sanken products without the written consent of Sanken in applications where extremely high reliability is required (aerospace equipment, nuclear power-control stations, life-support systems, etc.) is strictly prohibited.
The information included herein is believed to be accurate and reliable. Application and operation examples described in this publication are given for reference only and Sanken assumes no responsibility for any infringement of industrial property rights, intellectual
property rights, or any other rights of Sanken or any third party that may result from its use. The contents in this document must not
be transcribed or copied without Sanken’s written consent.
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December 2012
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