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Switch Mode Power Supply
S8TS
CSM_S8TS_DS_E_7_1
Block-type Switch Mode Power Supply That
Mounts to DIN Rail
• One model covers 30 to 120 W (12-V models).
• One model covers 60 to 240 W (24-V models).
• Easy creation of multi-power supply configurations with different
output power supplies connected together (5-V, 12-V, and 24-V
models).
• Improve power supply system reliability by creating N+1 redundant systems (12-V and 24-V models).
• RoHS-compliant
• Input conditions: 80 to 370 VDC supported for DC input too (EC
Directives and safety standards are not applicable.)
• Operating temperatures to –20°C (24-V models).
!
For the most recent information on models that have been certified for
safety standards, refer to your OMRON website.
Refer to Safety Precautions for All Power Supplies and Safety
Precautions on page 12.
Model Number Structure
■ Model Number Legend
Note: Not all combinations are possible. Refer to List of Models in Ordering Information, below.
S8TS-@@@@@@-@@
1
2
1. Capacity
025: 25 W
030: 30 W
060: 60 W
3
4
2. Output Voltage
05:
12:
24:
5V
12 V
24 V
3. Structure
None: Screw terminals
F:
Connector terminals
4. Bus Line Connectors
None: Basic Block only
E1:
One S8T-BUS01 and one S8T-BUS02
included as accessories
Ordering Information
Note: For details on normal stock models, contact your nearest OMRON representative.
■ List of Models
Basic Block
Output voltage
5V
12 V
24 V
Output current
5A
2.5 A
2.5 A
Screw terminal Model
With Bus Line
Without Bus Line
Connectors
Connectors
(See note 1.)
(See note 2.)
--S8TS-02505
S8TS-03012-E1
S8TS-03012
S8TS-06024-E1
S8TS-06024
Connector terminal Model (See note 3.)
Without Bus Line
With Bus Line
Connectors
Connectors
(See note 1.)
(See note 2.)
--S8TS-02505F
S8TS-03012F-E1
S8TS-03012F
S8TS-06024F-E1
S8TS-06024F
Bus Line Connector
Specifications
Connector with DC line connected
(For parallel operation)
Number of Connectors
Model number
1 Connector
S8T-BUS01
10 Connectors (See note 4.)
S8T-BUS11
Connector with DC line not connected
1 Connector
S8T-BUS02
(Not for parallel operation)
10 Connectors (See note 5.)
S8T-BUS12
Note: 1. One S8T-BUS01 Connector and one S8T-BUS02 Connector are included as accessories.
2. Bus Line Connectors are ordered separately. When connecting Power Supplies with Bus Line Connectors, order the Bus Line Connectors separately.
3. Attached connectors: 2ESDPLM-05P (for output terminal) and 3ESDPLM-03P (for input terminal) made by DINKLE ENTERPRISE.
4. One package contains 10 S8T-BUS01 Connectors.
5. One package contains 10 S8T-BUS02 Connectors.
1
S8TS
Specifications
■ Ratings/Characteristics
12/24-V Models (Basic Block: S8TS-06024@/S8TS-03012@)
Item
Efficiency (TYP.)
Input
Voltage (See note 1.)
Frequency (See note 1.)
Current
100 V input
200 V input
Output
(See note
4.)
Additional
functions
Other
Power factor
Harmonic current emissions
Leakage current 100 V input
240 V input
Inrush current
100 V input
(See note 5.)
200 V input
Voltage adjustment range
Ripple
Input variation influence
Load variation influence
Temperature variation influence
Startup time
Hold time (See note 5.)
Overload protection (See note 5.)
Overvoltage protection
(See notes 5 and 6.)
Parallel operation
N+1 redundant system
Series operation
Undervoltage indicator (See note 5.)
Undervoltage detection output
(See note 5.)
Ambient operating temperature
(See note 5.)
Storage temperature
Ambient operating humidity
Dielectric strength
Single operation
Parallel operation
24-V models: 80% TYP. ; 12-V models: 73% TYP. (with rated input, 100% load)
Ratings: 100 to 240 VAC (Allowable range: 85 to 264 VAC, 80 to 370 VDC (See note 8.))
50/60 Hz (47 to 63 Hz)
24-V models: 1.0 A max.
24-V models: 1.0 A × (No. of Blocks) max.
12-V models: 0.7 A max.
12-V models: 0.7 A × (No. of Blocks) max.
24-V models: 0.5 A max.
24-V models: 0.5 A × (No. of Blocks) max.
12-V models: 0.4 A max.
12-V models: 0.4 A × (No. of Blocks) max.
24-V models: 0.9 min.; 12-V models: 0.8 min. (with rated input, 100% load)
Conforms to EN61000-3-2
0.35 mA max.
0.35 mA × (No. of Blocks) max.
0.7 mA max.
0.7 mA × (No. of Blocks) max.
17.5 A max. (for a cold start at 25°C)
17.5 A × (No. of Blocks) max. (for a cold start at 25°C)
35 A max. (for a cold start at 25°C)
35 A × (No. of Blocks) max. (for a cold start at 25°C)
24-V models: 22 to 28 V
12-V models: 12 V ±10% (with V.ADJ) (See note 2.)
2% (p-p) max.
0.5% max. (with 85 to 264 VAC input, 100% load)
2% max. (with rated input, 10% to 100% load)
3% max. (with rated input, 10% to 100% load)
0.05%/°C max. (with rated input and output)
1,000 ms max. (with 100/200 VAC, rated input)
20 ms min. (with 100/200 VAC, rated input)
105% to 140% of rated load current, voltage drop,
100% to 140% of rated load current, voltage drop, auautomatic reset
tomatic reset
Yes
Yes (Up to 4 Blocks)
Yes (Up to 5 Blocks)
Yes
Yes (color: red)
Yes (open collector output), 30 VDC max., 50 mA max.
Refer to the derating curve in Engineering Data (with no icing or condensation).
−25 to 65°C
25% to 85% (Storage humidity: 25% to 90%)
3.0 kVAC for 1 minute (between all inputs and all outputs; detection current: 20 mA)
2.0 kVAC for 1 minute (between all inputs and PE terminal; detection current: 20 mA)
1.0 kVAC for 1 minute (between all outputs and PE terminal; detection current: 20 mA)
Insulation resistance
100 MΩ min. (between all outputs, and all inputs/PE terminal) at 500 VDC
Vibration resistance (See note 7.)
10 to 55 Hz, 0.375-mm single amplitude for 2 h each in X, Y, and Z directions
Shock resistance (See note 7.)
150 m/s2, 3 times each in ±X, ±Y, and ±Z directions
Output indicator
Yes (color: green)
EMI
Conducted Emission Conforms to EN61204-3 EN55011 Class B and based on FCC Class A (See note 9.)
(See note 8.)
Radiated Emission
Conforms to EN61204-3 EN55011 Class B (See note 9.)
EMS (See note 8.)
Conforms to EN61204-3 High severity levels (See note 9.)
Approved standards (See note 8.)
24V model
UL Listed: UL508 (Listing, Class2 Output: Per UL1310) (See note 3.)
UL UR: UL60950-1 (Recognition)
cUL Listed: CSA C22.2 No.107.1 (Class2 Output: Per CSA C22.2 No.223) (See note 3.)
cUR: CSA C22.2 No.60950-1
EN/VDE: EN50178 (=VDE0160) , EN60950-1 (=VDE0805 Teil1)
Weight
12V model
UL Listed: UL508 (Listing)
UL UR: UL60950-1 (Recognition)
cUL Listed: CSA C22.2 No.107.1
cUR: CSA C22.2 No.60950-1
EN/VDE: EN50178 (=VDE0160) , EN60950-1 (=VDE0805 Teil1)
450 g max.
450 g × (No. of Blocks) max.
Note: 1. Do not use an inverter output for the Power Supply. Inverters with an output frequency of 50/60 Hz are available, but the rise in the internal
temperature of the Power Supply may result in ignition or burning.
2. Refer to page 7 for details on adjusting the output voltage for parallel operation. If set to less than −10%, the undervoltage detection function may
operate. Ensure that the output capacity and output current after adjustment do not exceed the rated output capacity and rated output current
respectively. Adjusting V.ADV may cause the output voltage to exceed the voltage range. When adjusting the output voltage, confirm the actual
output voltage from the Power Supply and be sure that the load is not damaged.
3. Class 2 approval does not apply to parallel operation.
4. The output current is specified at power output terminals.
5. Refer to the Engineering Data on page 8 for details.
6. To reset the protection, turn OFF the input power for one minute or longer and then turn it back again.
7. Be sure to mount End Plates (PFP-M) on both ends of the Power Supply.
8. The range for compliance with EC Directives and safety standards (UL, EN, etc.) is 100 to 240 VAC (85 to 264 VAC).
9. The noise level depends on the wiring method and other factors. Insert one clamp filter (the ZCAT2436-1330A from TDK) as a noise
countermeasure on the input line and ground line combined.
2
S8TS
5-V Models (Basic Block: S8TS-02505@)
Item
Single operation
Efficiency (typical)
Input
73% TYP. (with rated input, 100% load)
Voltage (See note 1.)
Ratings: 100 to 240 VAC (Allowable range: 85 to 264 VAC, 80 to 370 VDC (See note 8.))
Frequency (See note 1.)
50/60 Hz (47 to 63 Hz)
Current
100 V input
0.7 A max.
200 V input
0.4 A max.
Power factor
0.8 min. (with rated input, 100% load)
Harmonic current emissions
Conforms to EN61000-3-2
Leakage current 100 V input
0.35 mA max.
Inrush current
(See note 5.)
Output
(See note
3.)
Additional
functions
Other
240 V input
0.7 mA max.
100 V input
17.5 A max. (for a cold start at 25°C)
200 V input
35 A max. (for a cold start at 25°C)
Voltage adjustment range
5 V ± 10% (with V. ADJ) (See note 2.)
Ripple
2% (p-p) max.
Input variation influence
0.5% max. (with 85 to 264 VAC input, 100% load)
Temperature variation influence
0.05%/°C max. (with rated input and output)
Load variation influence
1.5% max. (with rated input, 10% to 100% load)
Startup time (See note 4.)
1,000 ms max. (with 100/200 VAC, rated input)
Hold time (See note 4.)
20 ms min. (with 100/200 VAC, rated input)
Overload protection (See note 4.)
105% to 140% of rated load current, voltage drop, automatic reset
Overvoltage protection
(See notes 4 and 5.)
Yes
Parallel operation
No
N+1 redundant system
No
Series operation
Yes (with the external diode)
Undervoltage indicator (See note 4.)
Yes (color: red)
Undervoltage detection output
(See note 4.)
Yes (open collector output), 30 VDC max., 50 mA max.
Ambient operating temperature
(See note 4.)
Refer to the derating curve in Engineering Data.
Storage temperature
−25 to 65°C (with no icing or condensation)
Ambient operating humidity
25% to 85%, Storage: 25% to 90%
Dielectric strength
3.0 kVAC, 50/60 Hz for 1 minute (between all inputs and all outputs; detection current: 20 mA)
2.0 kVAC, 50/60 Hz for 1 minute (between all inputs and PE terminal; detection current: 20 mA)
1.0 kVAC for 1 minute (between all outputs and PE terminal; detection current: 20 mA)
Insulation resistance
100 MΩ min. (between all outputs and inputs/PE terminal) at 500 VDC
Vibration resistance (See note 6.)
10 to 55 Hz, 0.375-mm single amplitude for 2 h each in X, Y, and Z directions
Shock resistance (See note 6.)
150 m/s2, 3 times each in ±X, ±Y, and ±Z directions
Output indicator
Yes (color: green)
EMI
(See note 7.)
Conducted Emission Conforms to EN61204-3 EN55011 Class B and based on FCC Class A
Radiated Emission
Conforms to EN61204-3 EN55011 Class B
EMS (See note 7.)
Conforms to EN61204-3 High severity levels
Approved standards (See note 7.)
UL Listed: UL508 (Listing)
UL UR: UL60950-1 (Recognition)
cUL Listed: CSA C22.2 No.107.1
cUR: CSA C22.2 No.60950-1
EN/VDE: EN50178 (=VDE0160), EN60950-1 (=VDE0805 Teil1)
Weight
450 g max.
Note: 1. Do not use an inverter output for the Power Supply. Inverters with an output frequency of 50/60 Hz are available, but the rise in the internal
temperature of the Power Supply may result in ignition or burning.
2. If set to less than −10%, the undervoltage detection function may operate. Ensure that the output capacity and output current after adjustment do
not exceed the rated output capacity and rated output current respectively. If the output voltage adjuster (V. ADJ) is turned, the voltage will increase
by more than 10% of the output voltage, confirm the actual output voltage from the Power Supply and be sure that the load is not damaged.
3. The output current is specified at power output terminals.
4. Refer to the Engineering Data on page 8 for details.
5. To reset the protection, turn OFF the input power for one minute or longer and then turn it back again.
6. Be sure to mount End Plates (PFP-M) on both ends of the Power Supply.
7. The range for compliance with EC Directives and safety standards (UL, EN, etc.) is 100 to 240 VAC (85 to 264 VAC).
■ Reference Value
Item
Value
Definition
Reliability (MTBF)
250,000 hrs min.
MTBF stands for Mean Time Between Failures, which is calculated according to the probability of accidental device failures, and indicates reliability of devices. Therefore, it does not necessarily represent the
life of the product.
Life expectancy
10 yrs min.
The life expectancy indicates average operating hours under the ambient temperature of 40°C and a load
rate of 50%. Normally this is determined by the life expectancy of the built-in aluminum electrolytic capacitor.
3
S8TS
Connections
■ Block Diagrams
S8TS-06024@ and S8TS-03012@
AC (L)
+V
Fuse
4.0 A
INPUT
Noise
filter
DC OUTPUT
AC (N)
Rectifier
Inrush
current
protection
circuit
Harmonic current
suppression circuit
(Power factor
improvment)
Smoothing
circuit
Rectifier and
smoothing
circuit
Diode for N+1
redundant
operation
−V
DC LOW OUT
Drive control
circuit
Undervoltage
indicator/output
Current
detection circuit
Overcurrent
detection circuit
Voltage
detection circuit
Overvoltage
detection circuit
Photocoupler
Connected to Bus
Line Connector
Connected to Bus
Line Connector
S8TS-02505@
AC(L)
+V
Fuse
4.0 A
INPUT
Noise
filter
DC OUTPUT
−V
AC(N)
Rectifier Inrush
current
protection
circuit
Harmonic current
suppression circuit
(Power factor
improvment)
Smoothing
circuit
Rectifier and
smoothing
circuit
DC LOW OUT
Drive control
circuit
Undervoltage
indicator/output
Overcurrent
detection circuit
Voltage
detection circuit
Overvoltage
detection circuit
Photocoupler
Connected to Bus
Line Connector
Connected to Bus
Line Connector
4
S8TS
Construction and Nomenclature
■ Nomenclature
Basic Blocks with Screw Terminals
(S8TS-@@@@@@)
1
10
1 2 3
L
Basic Blocks with Connector Terminals
(S8TS-@@@@@@F)
2
L
N
3
10
N
INPUT
INPUT
50/60Hz
AC100
-240V
1.0A
50/60Hz
AC100
-240V
1.0A
L
L
N
N
S8TS-06024F
S8TS-06024
POWER SUPPLY
+V
POWER SUPPLY
-V
+V
-V
4
5
6
DC ON
4
5
6
Class2
Power
Supply
DC LOW
OUTPUT
V.ADJ
DC LOW
DC24V
2.5A
-V
DC ON
Class2
Power
Supply
DC LOW
OUTPUT
V.ADJ
DC LOW
DC24V
2.5A
-V
+V
+V
7 8 9
10
7 8 9
10
A AC Input Terminal (L): Connect an input line to this terminal.
B AC Input Terminal (N): Connect an input line to this terminal.
C Protective Earth (PE) Terminal (
): Connect a ground line to this terminal.
D Output Indicator (DC ON: Green): Lights while DC output is ON.
E Undervoltage Indicator (DC LOW: Red): Lights when the voltage at the output terminal drops.
F Output Voltage Adjuster (V.ADJ): Use to adjust the output voltage.
G Undervoltage Detection Output (DC LOW OUT): Open Collector output
H DC Output Terminal (–V): Connect load lines to this terminal.
I DC Output Terminal (+V): Connect load lines to this terminal.
J Slider: Slide to the lock side when connecting. Unlock the slider when disconnecting.
Connector with DC Line Connected
S8T-BUS01 Bus Line Connector
Connector with DC Line Not Connected
S8T-BUS02 Bus Line Connector
1
1
2
2
7
3
4
5
8
8
3
6
A AC Input Terminal (L)
B AC Input Terminal (N)
C Protective Earth (PE) Terminal (
)
D Parallel Operation Signal Terminal
E DC Output Terminal (+V)
F DC Output Terminal (−V)
G Selector
H Connection Status Indicator
5
S8TS
Operation
■ Application Methods
Increasing Output Capacity
Example for 24-V Models
Block Power Supply
Block Power Supply
Output
Capacity
Number
of
Blocks
Bus Line
Connector
S8T-BUS01
60 W
120 W
180 W
240 W
1 block
2 blocks
3 blocks
4 blocks
Configuring Multiple Outputs
AC input
L
N
BUS01
+V
-V
24 V
60 W
24 V
60 W
S8T-BUS01
L
N
L
N
BUS02
BUS02
S8T-BUS02
Maximum Number of Blocks That Can
Be Linked
Basic Blocks can be linked using Bus Line Connectors.
Increasing Output Capacity
Models
12 V
30 W
S8T-BUS02
5V
25 W
24 V 12 V 5 V
120 W 30 W 25 W
Using Parallel Operation
Use the S8T-BUS01 (DC line connected). (See Figure 1.)
The S8T-BUS01 Bus Line Connector is equipped with a selector to
prevent erroneous connection of Blocks with different output voltage
specifications. Slide the selector to the output voltage for parallel
operation.
Number of Blocks N+1 Redundant System
S8TS-02505@
No
No
S8TS-03012@
Up to 4 Blocks
Up to 5 Blocks
S8TS-06024@
Up to 4 Blocks
Up to 5 Blocks
Selector
24V
12V
N+1 Redundant Systems
To ensure stable operation when there is a failure in one of the
Blocks, use within the derating curve for N+1 redundant systems.
Multi-output Power Supply
Up to 4 Basic Blocks with different output voltage specifications can
be linked.
Selecting Bus Line Connectors
Note: Parallel operation is enabled by using a current balance
function. For the current balance function to operate, the S8TBUS01 must be used.
Not Using Parallel Operation
Use the S8T-BUS02 (DC line not connected). (See Figure 2.)
Select Bus Line Connectors according to the linking method as
follows:
S8T-BUS01
L N PE
S8T-BUS02
L N PE
L N PE
L N PE
−V+V
−V+V
AC Line
DC Line
−V+V
−V+V
Figure 1: DC line connected
(parallel connection)
Figure 2: DC line not connected
(isolated connection)
6
S8TS
Mounting and Removing Bus Line
Connectors
Pay attention to the following points to maintain electrical
characteristics.
± Output
Series Operation
24/12-V models
L
5-V models
L
N
24/12-V models 5-V models
L
N
L
N
N
Do not insert/remove the Connectors more than 20 times.
Do not touch the Connector terminals.
To remove the Connectors, insert a flat-bladed screwdriver
alternately at both ends.
S8T
-BUS02
Load
S8T
-BUS02
Load
Load
Load
Load
Load
Adjusting Output Voltage for Parallel
Operation
The Blocks are factory-set to the rated output voltage. When
adjusting output voltages, set the same values for Blocks with output
voltage adjuster (V.ADJ) before linking them together. Adjust the set
values within the limits given in the following table.
Wiring Linked Blocks
When linking Blocks together, wire input lines to one Basic Block
only, otherwise inputs may be shorted internally resulting in damage
to the Block.
Do not wire inputs to more than one
Incorrect
L
N
L
Model number
Difference between output voltages
S8TS-03012@
0.12 V max.
S8TS-06024@
0.24 V max.
Do not adjust output voltages after Blocks are linked together. The
output voltage may become unstable.
N
Inrush Current
−V+V
Do not cross-wire Blocks or wire between a Block and another
device. If the current exceeds the rated current, Bus Line Connectors
may be damaged.
Do not use cross-wire Blocks.
The inrush current per Basic Block is 17.5 A max. at 100 VAC and
35 A max. at 200 VAC. When N Blocks are linked together, the inrush
current will be equal to N times that for 1 Basic Block. Be sure to use
a fuse with the appropriate fusing characteristics or a breaker with
the appropriate tripping characteristics.
Leakage Current
Incorrect
L
N
L
N
L
N
The leakage current per Basic Block is 0.35 mA max. at 100 VAC
and 0.7 mA max. at 240 VAC. When N Blocks are linked together,
the leakage current will be equal to N times that for 1 Basic Block.
Mounting
When Basic Blocks are linked together, it is necessary to wire the PE
terminal of only one Basic Block, not all the Blocks.
Mounting Direction
Series Operation and ± Output
Standard mounting
Face-up mounting
No
Using 2 Basic Blocks enables series operation and the use of
± output. An external diode is not required for S8TS-06024@ and
S8TS-03012@ models, but is required for S8TS-02505@ models.
Use the following as a rough guide for selecting the diode.
Other mounting methods
No
Type
Schottky barrier diode
Withstand voltage (VRRM)
At least twice the rated output voltage
Yes
Use standard mounting only. Using any other mounting method will
prevent proper hear dissipation and may result in deterioration or
damage of internal parts.
Correct
Incorrect
Current with normal direction (IF) At least twice the rated output current
Note: Series operation is possible with different specifications, but the
current that flows to the load must not exceed the rated output
current of any Block.
Standard mounting
Face-up mounting
7
S8TS
Engineering Data
■ Derating Curves
Parallel Operation and Side-by-side
Mounting
Single Operation with Spaces
between Blocks
N+1 Redundant System
20 mm min.
200 V input (side-by-side mounting)
100
80
5/12-V Models
60
0
−20 −10 0
120
200 V input (side-by-side mounting)
100
80
60
0
−30 −20 −10 0 10 20 30 40 50 60 70
Ambient temperature (°C)
80
20
0
−20 −10 0
10 20 30 40 50
60 70
Ambient temperature (°C)
24-V Models
10 20 30 40 50
60 70
Ambient temperature (°C)
24-V Models
120
200 V input
100
80
40
100
40
60
100/200-V input
(parallel operation),
100-V input
(side-by-side mounting)
DC input
120
60
100 V input
DC input
20
10 20 30 40 50 55 60 70
Ambient temperature (°C)
24-V Models
Load ratio (%)
80
Load ratio (%)
0
−20 −10 0
Note: 1.
2.
3.
4.
100
40
Load ratio (%)
20
20
200 V input
60
100/200-V input
(parallel operation),
100-V input
(side-by-side mounting)
DC input
40
40
5/12-V Models
120
Load ratio (%)
120
Load ratio (%)
Load ratio (%)
5/12-V Models
120
100
80
60
100 V input
DC input
40
20
20
0
−30 −20 −10 0 10 20 30 40 50 60 70
Ambient temperature (°C)
0
−30 −20 −10 0 10 20 30 40 50 60 70
Ambient temperature (°C)
If there is a derating problem, use forced air-cooling.
The ambient temperature is specified for a point 50 mm below the Power Supply.
Use the rated output for single operation multiplied by N as a reference for the load ratio for an N+1 redundant system.
DC Input: If the input voltage is less than 100 VDC, reduce the load to 0.8 or less times the values given in the above derating curves.
8
S8TS
■ Overload Protection
The Power Supply is provided with an overload protection function
that protects the Power Supply from possible damage by overcurrent.
When the output current rises above 105% min. of the rated current
(100% min. of the rated current for parallel operation), the protection
function is triggered, automatically decreasing the output voltage.
When the output current falls within the rated range, the overload
protection function is automatically cleared.
■ Inrush Current, Startup Time,
Hold Time
Input ON
Input OFF
AC input
voltage
Output voltage (V)
Inrush current on input application
AC input
current
96.5%
90%
Output
voltage
Startup time
(1,000 ms max.)
0
50
100
Output current (%)
The values shown in the above diagram are for reference only.
Note: Internal parts may occasionally deteriorate or damaged if a
short-circuited or overcurrent continues for 20 min. or longer.
■ Overvoltage Protection
An overvoltage protection function is provided so that excessive
voltage is not applied to the load, e.g., if the feedback circuit in the
Power Supply fails. When a voltage that is approximately 120% of the
rated voltage or more is output, the output voltage is shut OFF. Reset
the input power by turning it OFF for at least 1 minute and then
turning it back ON again.
Output voltage (V)
When a drop in the output voltage is detected, the red indicator (DC
LOW) lights and transistor (DC LOW: OUT) output turns ON to
provide external notification of the error. The detection voltage is set
to approximately 80% (75% to 90%) of the rated output voltage.
Status of indicator
Green lit:
ODC ON
Red not lit:
DC LOW
Overvoltage
protection
operating
Variable range
0V
24-V Models
Voltage status
Output
status
(See note 2.)
Approx. 80%
ON
min. of the rated
output voltage
Approx. 80%
OFF
(See
max. of the rated
DC LOW note 3.) output voltage
DC ON
Red lit:
+10%
Rated output
voltage
–10%
■ Undervoltage Indicator and
Undervoltage Detection Output
Green lit:
12-V and 5-V Models
Hold time (20 ms min.)
Close to 0 V
Green not lit:
DC ON
Red not lit:
DC LOW
OFF
Note: 1. This function monitors the voltage at the power output
terminals. For accurate confirmation of the output status,
measure the voltage at the output terminal.
2. Transistor output: Open collector
30 VDC max., 50 mA max.
ON residual voltage: 2 V max.
OFF leakage current: 0.1 mA max.
3. The indicators become dimmer as the output voltage
approaches 0 V.
Output voltage (V)
Undervoltage Detection Output
Blocks with Screw Terminals
Overvoltage
protection
operating
−V
28 V
Rated output
voltage
22 V
DC LOW OUT
Blocks with Connector
Terminals
DC LOW OUT
−V
+V
+V
Variable range
0V
The values shown in the above diagrams are for reference only.
Note: Do not turn ON the input power again until the cause of the
overvoltage has been removed.
9
S8TS
Dimensions
Note: All units are in millimeters unless otherwise indicted.
S8TS-@@@@@
LOCK
4
10
2.5
L
N
INPUT
50/60Hz
AC100
-240V
1.0A
L
N
100
S8TS-06024
POWER SUPPLY
+V
120
35
80.7
-V
DC ON
Class2
Power
Supply
DC LOW
OUTPUT
V.ADJ
DC LOW
DC24V
2.5A
-V
+V
5.6
(Sliding: 15 max.)
M4 with square washer
120
43
5
S8TS-@@@@@F
LOCK
4
7.62
2.5
L
N
INPUT
50/60Hz
AC100
-240V
1.0A
L
N
S8TS-06024F
POWER SUPPLY
+V
120
35
80.7
-V
DC ON
Class2
Power
Supply
DC LOW
OUTPUT
V.ADJ
DC LOW
DC24V
2.5A
-V
+V
5.6
(Sliding: 15 max.)
5
120
5.08
43
■ DIN Rails (Order Separately)
Mounting Rails (Material: Aluminum)
7.3±0.15
PFP-100N
PFP-50N
35±0.3
4.5
15
25 10 25
27±0.15
15(5)*
25 10 25
1000(500)*
1
*Values in parentheses
are for the PFP-50N.
16
PFP-100N2
4.5
35±0.3 27
15
25 10 25
25 10 25
15
29.2
24
1
1.5
1000
End Plate
10
PFP-M
6.2
Eight, M4
pan-head
screw
50
1.8
1
1.8
35.5 35.5
11.5
10
M4 spring washer
1.3
4.8
10
S8TS
Application Examples
Standardization
Semiconductor
manufacturing equipment
Machines with various
models or equipment with
various power supply
specifications
Power Supplies with
Multiple Outputs
Packing machines
Automobile
manufacturers
Large control panels
Electrical appliance
manufacturers
Conveyors
• Simplified designing and
design changes.
• Reduced stock and
reduced purchasing funds.
N+1 Redundant Systems
Semiconductor utilities
Process equipment
Equipment and systems
that use multiple power
supplies or multiple
power supply outputs
• Simplified creation of
power supplies with
multiple outputs.
Equipment and systems requiring higher reliability in the power supply
N+1 Redundancy
In an N+1 redundant system, N
Power Supplies of the same
model are linked in parallel
connections and one additional
Power Supply of the same
model is added for redundancy.
(N is 1 for a single operation
system.) This setup increases
system reliability.
S8TS Operation
No special settings are required for N+1 redundant operation
with the S8TS. Just link Basic Blocks for redundant operation
in parallel to enable N+1 redundant operation.
A current balance function is used for S8TS N+1 redundant
operation so that each Block provides the same current. If one
Power Supply fails, the remaining Power Supplies share the
load of the failed Power Supply, and operation continues with
each Power Supply providing more current.
The Power Supply that has failed can be identified by the
output indicator, undervoltage indicator, and undervoltage
detection output to enable replacing the Block with a normal
Block. Always turn OFF the input power before replacing a
Block. To increase Power Supply reliability, use only 90% or
less of the maximum rated capacity for N Power Supplies
even when N+1 Power Supplies are linked.
Output capacity per Power Supply
Process-control systems
Output capacity during
normal operation
Output capacity when one Power
Supply is down
11
S8TS
Safety Precautions
Refer to Safety Precautions for All Power Supplies.
Wiring
!CAUTION
• Do not disassemble the product or touch internal parts
during power-on. Electric shock may be caused.
• Do not touch the product during power-on, and
immediately after poweroff. Hot surface may cause
heat injury.
• Electrical shock or minor injury may occasionally occur.
Do not touch the terminals while power is being
supplied. Also, always attach the Terminal Cover after
you complete wiring.
While power is supplied, voltages up to 370 V are
generated internally. The voltage can remain for 30
seconds after the power supply is turned OFF.
• Do not remove any connector cover unless using bus
line connectors. Electric shock may be caused.
Ground the product completely. Failure to do so could cause the
electric shock or malfunction.
Ensure that input and output terminals are wired correctly.
Use the following material to the wire to be applied to the product for
preventing from the occurrence of the smoking or ignition caused by
the abnormal load.
Recommended Wire Type:(For Single unit operation)
Do not apply more than 100-N force to the terminal block when
tightening it.
Use the following material for the wires to be connected to the S8TS
to prevent smoking or ignition caused by abnormal loads.
Recommended Wire Size for Single-unit
Operation
Model
• Tighten the terminal screws with torque: 9.6 in-lb
(1.08N·m), and tighten the connector screw and screw
flange with torque: 2.7 in-lb (0.3N·m). Loose screws
may cause fire.
• Minor injury, fire, or device failure may occasionally
occur. Do not allow any pieces of metal, conductors, or
cuttings from installation work to enter the Power
Supply.
■ Precautions for Safe Use
Mounting
Heat dissipation capacity may be decreased if a non-standard mounting
method is used, occasionally resulting in damage to internal components.
Use only the standard mounting method.
To improve the long-term reliability of devices, give due consideration
to heat dissipation when mounting. With the S8TS, heat is dissipated
by natural convection. Mount Blocks in a way that allows convection
in the atmosphere around them.
Do not allow cuttings to enter the Power Supply during installation
work.
Be sure to remove the sheet covering the Power Supply for
machining before turning ON the power so that it does not interfere
with heat dissipation.
*1
*1
*2
Recommended wire size
S8TS-02505
AWG 14 to 18 (cross-sectional area: 0.823
to 2.081 mm2)
S8TS-03012
S8TS-06024
AWG 14 to 18 (cross-sectional area: 0.823
to 2.081 mm2)
S8TS-02505F
AWG 12 to 18 (cross-sectional area: 0.823
to 3.309 mm2)
S8TS-03012F
S8TS-06024F
AWG 12 to 20 (cross-sectional area: 0.517
to 3.309 mm2)
Recommended Wire Size for Parallel
Operation
Model
S8TS-03012
S8TS-06024
Recommended wire size
For 2 Units con- AWG 14 to 18 (cross-sectional arnected in parallel ea: 0.823 to 2.081 mm2)
For 3 Units con- AWG 14 to 16 (cross-sectional arnected in parallel ea: 1.309 to 2.081 mm2)
For 4 Units con- AWG 14 (cross-sectional area:
nected in parallel 2.081 mm2)
S8TS-03012F For 2 Units con- AWG 12 to 18 (cross-sectional arS8TS-06024F nected in parallel ea: 0.823 to 3.309 mm2)
For 3 Units con- AWG 12 to 16 (cross-sectional arnected in parallel ea: 1.309 to 3.309 mm2)
For 4 Units con- AWG 12 to 14 (cross-sectional arnected in parallel ea: 2.081 to 3.309 mm2)
Blocks with Connector Terminals
When using Blocks with connector terminals, the current for
1 terminal must not exceed 7.5 A. If a higher current is required, use
2 terminals.
*1
*1
*3
*4
*1. Convection of air
*2. 75 mm min.
*3. 75 mm min.
*4. 10 mm min.
When cutting out holes for mounting, make sure that cuttings do not
enter the interior of the products.
Do not insert/remove AC input connectors or DC output connector
more than 20 times.
Installation Environment
Do not use the Power Supply in locations subject to shocks or
vibrations. In particular, install the Power Supply as far as possible
from contactors or other devices that are a vibration source. Be sure
to mount End Plates (PFP-M) on both ends of the Power Supply.
Install the Power Supply well away from any sources of strong, highfrequency noise and surge.
12
S8TS
Ambient Operating and Storage
Environments
Do not use or store the Power Supply in the following locations.
Doing so may result in failure, malfunction, or deterioration of
performance characteristics.
DIN Rail Mounting
To mount the Block on a DIN Rail, hook portion (A) of the Block onto
the Rail and press the Block in direction (B).
(A)
Do not use the Power Supply in locations subject to direct sunlight.
Do not use the Power Supply in locations where the ambient
temperature exceeds the range of the derating curve.
Do not use the Power Supply in locations where the humidity is
outside the range 25% to 85%, or locations subject to condensation
due to sudden temperature changes.
Do not store the Power Supply in locations where the ambient
temperature is outside the range –25 to 65°C or where the humidity
is outside the range 25% to 95%.
(B)
To dismount the Block, pull down portion (C) with a flat-blade
screwdriver and pull out the Block.
Do not use the Power Supply in locations where liquids, foreign
matter, corrosive gases, or corrosive gases may enter the interior of
the Power Supply.
Short-circuits or overcurrent conditions that last for 20 seconds or
longer may cause deterioration or damage to internal parts.
Output Voltage Adjuster (V.ADJ)
Do not exert excessive force on the output voltage adjuster (V.ADJ).
Doing so may break the adjuster.
Setting the output voltage adjuster (V.ADJ) to 90% or less of the
rated output voltage may cause the undervoltage detection function
to operate.
Bus Line Connectors
Do not apply strong shocks (e.g., by dropping) to the Bus Line
Connectors. Doing so may result in damage.
30 mm min.
(C)
Rail stopper
In Case There Is No Output Voltage
If there is no output voltage, it is possible that overload protection or
overvoltage protection is operating. It is also possible that the latch
protection circuit is operating due to the application of a large surge,
such as lightning surge. Confirm the 2 points below. If there is still no
output voltage, consult your OMRON representative.
• Checking for Overload Protection:
Separate the load line and confirm that it is not in an overload state
(including short-circuits).
• Checking for Overvoltage Protection or Latch Protection:
Turn the input power OFF, and then turn it ON again after 1 minute
or more has elapsed.
Buzzing Noise When the Input Is
Turned ON
A harmonic current suppression circuit is built into the input power.
This circuit can create noise when the input is turned ON, but it will
last only until the internal operation stabilizes and does not indicate
any problem in the Power Supply.
ALL DIMENSIONS SHOWN ARE IN MILLIMETERS.
To convert millimeters into inches, multiply by 0.03937. To convert grams into ounces, multiply by 0.03527.
In the interest of product improvement, specifications are subject to change without notice.
13
Terms and Conditions Agreement
Read and understand this catalog.
Please read and understand this catalog before purchasing the products. Please consult your OMRON representative if you
have any questions or comments.
Warranties.
(a) Exclusive Warranty. Omron’s exclusive warranty is that the Products will be free from defects in materials and workmanship
for a period of twelve months from the date of sale by Omron (or such other period expressed in writing by Omron). Omron
disclaims all other warranties, express or implied.
(b) Limitations. OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, ABOUT
NON-INFRINGEMENT, MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE OF THE PRODUCTS. BUYER
ACKNOWLEDGES THAT IT ALONE HAS DETERMINED THAT THE
PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR INTENDED USE.
Omron further disclaims all warranties and responsibility of any type for claims or expenses based on infringement by the
Products or otherwise of any intellectual property right. (c) Buyer Remedy. Omron’s sole obligation hereunder shall be, at
Omron’s election, to (i) replace (in the form originally shipped with Buyer responsible for labor charges for removal or
replacement thereof) the non-complying Product, (ii) repair the non-complying Product, or (iii) repay or credit Buyer an amount
equal to the purchase price of the non-complying Product; provided that in no event shall Omron be responsible for warranty,
repair, indemnity or any other claims or expenses regarding the Products unless Omron’s analysis confirms that the Products
were properly handled, stored, installed and maintained and not subject to contamination, abuse, misuse or inappropriate
modification. Return of any Products by Buyer must be approved in writing by Omron before shipment. Omron Companies shall
not be liable for the suitability or unsuitability or the results from the use of Products in combination with any electrical or
electronic components, circuits, system assemblies or any other materials or substances or environments. Any advice,
recommendations or information given orally or in writing, are not to be construed as an amendment or addition to the above
warranty.
See http://www.omron.com/global/ or contact your Omron representative for published information.
Limitation on Liability; Etc.
OMRON COMPANIES SHALL NOT BE LIABLE FOR SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR PRODUCTION OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED IN CONTRACT, WARRANTY, NEGLIGENCE OR STRICT LIABILITY.
Further, in no event shall liability of Omron Companies exceed the individual price of the Product on which liability is asserted.
Suitability of Use.
Omron Companies shall not be responsible for conformity with any standards, codes or regulations which apply to the
combination of the Product in the Buyer’s application or use of the Product. At Buyer’s request, Omron will provide applicable
third party certification documents identifying ratings and limitations of use which apply to the Product. This information by itself
is not sufficient for a complete determination of the suitability of the Product in combination with the end product, machine,
system, or other application or use. Buyer shall be solely responsible for determining appropriateness of the particular Product
with respect to Buyer’s application, product or system. Buyer shall take application responsibility in all cases.
NEVER USE THE PRODUCT FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR PROPERTY OR IN LARGE
QUANTITIES WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO ADDRESS THE RISKS,
AND THAT THE OMRON PRODUCT(S) IS PROPERLY RATED AND INSTALLED FOR THE INTENDED USE WITHIN THE
OVERALL EQUIPMENT OR SYSTEM.
Programmable Products.
Omron Companies shall not be responsible for the user’s programming of a programmable Product, or any consequence
thereof.
Performance Data.
Data presented in Omron Company websites, catalogs and other materials is provided as a guide for the user in determining
suitability and does not constitute a warranty. It may represent the result of Omron’s test conditions, and the user must correlate
it to actual application requirements. Actual performance is subject to the Omron’s Warranty and Limitations of Liability.
Change in Specifications.
Product specifications and accessories may be changed at any time based on improvements and other reasons. It is our
practice to change part numbers when published ratings or features are changed, or when significant construction changes are
made. However, some specifications of the Product may be changed without any notice. When in doubt, special part numbers
may be assigned to fix or establish key specifications for your application. Please consult with your Omron’s representative at
any time to confirm actual specifications of purchased Product.
Errors and Omissions.
Information presented by Omron Companies has been checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical or proofreading errors or omissions.
2015.6
In the interest of product improvement, specifications are subject to change without notice.
OMRON Corporation
Industrial Automation Company
http://www.ia.omron.com/
(c)Copyright OMRON Corporation 2015 All Right Reserved.
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