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Switch Mode Power Supply
S8VK-S (60/120-W Models)
A Perfect Fit for Small Control Panels
Coated PCBs for Better Resistance
to Environment
Connections for Easy Wiring
• Operation possible at ambient temperatures from
-40 to 70°C.
• DC input supported (90 to 350 VDC).
• Power Boost function at 120%.
• Horizontal side-by-side mounting.
• Vibration resistance to 5G, and 300-VAC abnormal
input voltage supported for 1 second.
• Complies with EN/IEC 61558-2-16.
• UL 508 Listing/UL 1310 Class 2 output standards *1
• ANSl/ISA 12.12.01
• Certification for 3,000 m altitude
(UL/EN/IEC 60950-1 and EN 50178).
• Lloyd’s, DNV GL *2
• Conforms to F47-0706.
• Five years Warranty *3
!
Refer to Safety Precautions for All Power Supplies and Safety
Precautions on page 11.
*1.UL 1310 Class2 output (For 60W Only)
*2.Certification is pending for DNV GL.
*3.Refer to Period and Terms of Warranty on page 16 for details.
Model Number Structure
Model Number Legend
Note: Not all combinations are possible. Refer to List of Models in Ordering Information, below.
S8VK- [email protected]@@@@
1
2
1. Power Ratings
060: 60 W
120: 120 W
2. Output voltage
24: 24 V
Ordering Information
Note: For details on normal stock models, contact your nearest OMRON representative.
Power ratings
60 W
120 W
Rated input voltage
100 to 240 VAC
(allowable range:
85 to 264 VAC or
90 to 350 VDC)
Rated output voltage
Rated output current
Maximum boost current
Model number
24 V
2.5 A
3A
S8VK-S06024
24 V
5A
6A
S8VK-S12024
1
S8VK-S
Specifications
Ratings, Characteristics, and Functions
Power rating
60 W
120 W
Output voltage
24 V
24 V
115 VAC input *1
87% typ.
90% typ.
Efficiency
230 VAC input *1
89% typ.
92% typ.
Voltage range *2
Single-phase, 85 to 264 VAC, 90 to 350 VDC *12, 265 to 300 VAC (1 second)
Frequency *2
50/60 Hz (47 to 450 Hz)
50/60 Hz (47 to 63 Hz)
115 VAC input *1
1.1 A typ.
1.2 A typ.
Input current
230 VAC input *1
0.66 A typ.
0.63 A typ.
Input
Power factor
230 VAC input, 100% load
--0.9 min.
115 VAC input
0.5 mA max.
Leakage current *3
230 VAC input
1 mA max.
16 A typ.
Inrush current *4 (for a 115 VAC input
cold start at 25°C)
230 VAC input
32 A typ.
Rated output current
2.5 A
5A
Rated output electric power
60 W
120 W
Maximum boost current
3A
6A
Voltage adjustment range *5
21.6 to 28 V (with V.DJ)
Ripple & Noise voltage 100 to 240 VAC input, 190 mVp-p max.
110 mVp-p max.
*6
100% load *1
at 20 MHz of bandwidth
at 20 MHz of bandwidth
Input variation influence *7
0.5% max.
Output
Load variation influence *8
1.5% max.
Temperature variation
115 to 230 VAC input 0.05%/°C max.
influence
115 VAC input *1
800 ms typ.
400 ms typ.
Start up time *4
230 VAC input *1
600 ms typ.
300 ms typ.
115 VAC input *1
20 ms typ.
45 ms typ.
Hold time *6
230 VAC input *1
90 ms typ.
45 ms typ.
Overload protection
Yes, automatic reset
Yes, 130% or higher of rated output voltage, power shut off (shut off the input voltage and turn on
Overvoltage protection *9
the input again)
Additional
Series operation
Yes (For up to two Power Supplies, external diodes are required.)
functions
Parallel operation
Yes (For up to two Power Supplies), Refer to Parallel Operation on page 15 for details.
Output indicator
Yes (LED: Green)
3.0 kVAC for 1 min. (between all input terminals and output terminals), current cutoff 10 mA
Withstand voltage
2.0 kVAC for 1 min. (between all input terminals and PE terminals), current cutoff 10 mA
Insulation
1.0 kVAC for 1 min. (between all output terminals and PE terminals), current cutoff 20 mA
Insulation resistance
100 MΩ min. (between all output terminals and all input terminals/PE terminals) at 500 VDC
−40 to 70°C (Derating is required according to the temperature. Refer to Engineering Data) (with
Ambient operating temperature *10
no condensation or icing)
Storage temperature
−40 to 85°C (with no condensation or icing)
Environment
Ambient operating humidity
95% RH max. (Storage humidity: 95% RH max.)
Vibration resistance
10 to 55 Hz, maximum 5G, 0.42 mm half amplitude for 2 h each in X, Y, and Z directions
Shock resistance
150 m/s2, 3 times each in ±X, ±Y, ±Z directions
MTBF
135,000 hrs min.
Reliability
Life expectancy *11
10 years min.
Weight
250 g max.
400 g max.
Construction Cooling fan
No
Degree of protection
IP20 by EN/IEC 60529
Harmonic current emissions
Conforms to EN 61000-3-2
Conducted Emissions Conforms to EN 61204-3 Class B, EN 55011 Class B
EMI
Radiated Emissions Conforms to EN 61204-3 Class B, EN 55011 Class B
EMS
Conforms to EN 61204-3 high severity levels
UL Listing: UL 508,ANSI/ISA 12.12.01 (For 60 W only Class2 Output: Per UL 1310)
cUL: CSA C22.2 No107.1,
CSA C22.2 No213 (For 60 W only Class2 Output: Per CSA C22.2 No.223)
Approved Standards
UL UR: UL 60950-1 (Recognition) OVCII (≤ 3000 m) Pol2
Standards
cUR: CSA C22.2 No.60950-1 OVCII (≤ 3000 m) Pol2
EN: EN 50178 OVCIII (≤ 2000 m) OVCII (2000 m≤ and≤3000) Pol2,
EN 60950-1 OVCII (≤ 3000 m) Pol2
PELV (EN/IEC 60204-1) *12
Conformed Standards
EN/IEC 61558-2-16 *12
Lloyd’s register
Marine Standards *12
DNV GL (Certification is pending for DNV GL.)
SEMI
Conforms to F47-0706 (200 to 240 VAC input)
Item
2
S8VK-S
*1. The value is when both rated output voltage and rated output current are satisfied.
*2. Do not use an inverter output for the product. Inverters with an output frequency of 50/60 Hz are available, but the rise in the internal
temperature of the product may result in ignition or burning.
If the input is connected to a UPS, do not connect a UPS with a square-wave output.
Doing so will cause the internal temperature of the product to increase, possibly causing smoking or burning.
*3. The value for the leakage current is determined according to the Electrical Appliances and Material Safety Act.
*4. Refer to Inrush Current, Startup Time, Output Hold Time on page 8 for details.
*5. If the output voltage adjuster (V. ADJ) is turned, the voltage will increase by more than 28 V min of the voltage adjustment range. When
adjusting the output voltage, confirm the actual output voltage from the product and be sure that the load is not damaged.
*6. A characteristic when the ambient operating temperature of 25°C.
*7. This is the maximum variation in the output voltage when the input voltage is gradually changed within the allowable input voltage range at
the rated output voltage and rated output current.
*8. 100 to 240 VAC input, in the range of 0 A to the rated output current.
*9. Refer to Overvoltage Protection on page 8 for the time when input voltage shuts off and input turns on again.
*10.At -40 to -25°C, time will be required before the rated output voltage is output after the input voltage is input.
Also, the ripple noise value may exceed the value shown in the above table.
*11.Refer to Recommended Replacement Periods and Periodic Replacement for Preventive Maintenance on page 16 for details.
*12.Refer to Standard Compliance, below.
Standard Compliance
• EN/IEC 61558-2-16
The S8VK-S was designed based on EN/IEC 61558-2-16.
Currently, IEC 61558-2-17 has been replaced by IEC 61558-2-16.
When certification was received for EN/IEC 60204-1 (Machinery Safety), it was necessary to go through a control transformer to the control
circuits. However, a control transformer is not always necessary for product that have been certified for the safety standard for OVCIII or for
product that use a transformer that conforms to EN/IEC 61558-2-16.
• Safety Standards for a DC Input
The following safety standards are applicable for when a DC input is used: UL 60950-1, cUR (CSA C22.2 No. 60950-1), EN 50178, EN 60950-1, Lloyd's,
and DNV-GL. (Certification is pending for DNV GL.)
Safety standard compliance is achievable by connecting a UL-certified fuse as specified below.
Select an external fuse that satisfies the following conditions:
S8VK-S06024: 350 VDC min., 6 A
S8VK-S12024: 350 VDC min., 8 A
• Conformance to Marine Standards
Noise filter “FN2080-10-06” manufactured by SCHAFFNER Corporation. or equivalent should be connected to the Input terminals of S8VK-S
series.
End Plate (PFP-M) to both sides of the Power Supply to hold the Power Supply in place.
• To comply with PELV output requirements for EN/IEC 60204-1, ground the negative side of the output (-V) to a protective earth (PE).
3
S8VK-S
Connections
Block Diagrams
S8VK-S06024 (60 W)
Rectifier
AC (L)
INPUT
AC (N)
Inrush
current
protection Smoothing
circuit
circuit
+V
+V
Fuse
250 VAC
6.3 A
HBC
Noise
filter
−V
−V
Rectifier/
smoothing
circuit
Drive
control
circuit
Overcurrent
circuit
DC OUTPUT
−V
Current
detection circuit
Voltage
detection circuit
Overcurrent
detection circuit
Overvoltage
detection circuit
Photocoupler
S8VK-S12024 (120 W)
Harmonic current
Inrush current
suppression circuit
protection Smoothing
circuit
Rectifier (Power factor improvement) circuit
AC (L)
INPUT
Fuse
250 VAC
8.0 A
HBC
+V
+V
Noise
filter
−V
AC (N)
Rectifier/smoothing circuit
−V
−V
Drive control
circuit
Overcurrent
circuit
Current
detection circuit
Voltage
detection circuit
Overcurrent
detection circuit
Overvoltage
detection circuit
Photocoupler
4
DC OUTPUT
S8VK-S
Construction and Nomenclature
Nomenclature
60-W Models
120-W Models
S8VK-S06024
S8VK-S12024
6
7
1
8
2 3
No.
Terminal
name
1
L1
2
L2
3
N1
4
N2
5
PE
6
+V1
7
+V2
8
-V1
9
-V2
10
-V3
9 10
4
6
7
8
9 10
11
11
12
12
5
1
2 3
4
5
Name
Function
Input terminals
Connect the input lines to these terminals. *1
Protective Earth terminal (PE)
Connect the ground line to this terminal. *2
DC Output terminals
Connect the load lines to these terminals.
11
---
Output indicator (DC ON: Green)
The green indicator indicates when a DC voltage is being output.
12
---
Output voltage adjuster (V.ADJ)
Use to adjust the voltage.
*1. The fuse is located on the (L) side. It is not user-replaceable. For a DC input, connect the positive voltage to the L terminal.
*2. This is the protective earth terminal specified in the safety standards. Always ground this terminal.
5
S8VK-S
Engineering Data
60 W (S8VK-S06024)
120 W (S8VK-S12024)
Load ratio (%)
Load ratio (%)
Derating Curve
120
100
A
75%
80
120
100
A
80
65%
B
B
50%
60
40
40
20
20
0
−40
−25
50%
60
0
−40
−10 0 10 20 30 40 50 60 70 80
−25
Note: 1. At less than 90 VAC, derate the load at 2.5%/V.
2. For a DC input, reduce the load given in the above derating
curve by multiplying by the following coefficients.
S8VK-S12024: 0.9
3. In the shaded area, time is required to reach the rated
output voltage after the input voltage is applied. Also, the
ripple noise value in this area may exceed the range given
on page 2.
A. Standard mounting, mounted with Front-mounting Bracket, or
mounted with Side-mounting Bracket
B. Face-up mounting
A. Standard mounting
B. Face-up mounting
60 W (S8VK-S06024) Front, Side-by-side mounting
120 W (S8VK-S12024) Front, Side-by-side mounting
Load ratio (%)
Operating temperature (°C)
Note: 1. At less than 90 VAC, derate the load at 2.5%/V.
2. For a DC input, reduce the load given in the above derating
curve by multiplying by the following coefficients.
S8VK-S06024: 0.9
3. In the shaded area, time is required to reach the rated
output voltage after the input voltage is applied. Also, the
ripple noise value in this area may exceed the range given
on page 2.
120
100
C
80
120
100
60
40
40
20
20
−10 0 10 20 30 40 50 60 70 80
Operating temperature (°C)
C
80
60
0
−40 −25
6
−10 0 10 20 30 40 50 60 70 80
Load ratio (%)
Operating temperature (°C)
0
−40 −25
−10 0 10 20 30 40 50 60 70 80
Operating temperature (°C)
Note: 1. Apply the rated voltage
2. In the shaded area, time is required to reach the rated
output voltage after the input voltage is applied. Also, the
ripple noise value in this area may exceed the range given
on page 2.
Note: 1. Apply the rated voltage
2. In the shaded area, time is required to reach the rated
output voltage after the input voltage is applied. Also, the
ripple noise value in this area may exceed the range given
on page 2.
C. Front, Side-by-side Mounting
C. Front, Side-by-side Mounting
S8VK-S
This Power Supply can be used at an altitude of 3,000 m.
Between 2,000 and 3,000 m, derate the load according to the following derating curve.
120 W (S8VK-S12024)
120
100%
100
90%
87
80
75
77%
Load ratio (%)
Load ratio (%)
60 W (S8VK-S06024)
120
100%
100
80%
82
80
65%
65%
65
60
60
50%
55°C max
40
55°C max
40
60°C
60°C
65°C
20
65°C
20
70°C
70°C
0
0
500
0
1,000 1,500 2,000 2,500 3,000 3,500
0
500
1,000 1,500 2,000 2,500 3,000 3,500
Altitude (m)
Altitude (m)
Standard mounting, mounted with Front-mounting Bracket, or
mounted with Side-mounting Bracket
Standard mounting
60 W (S8VK-S06024) Front, Side-by-side mounting
120 W (S8VK-S12024) Front, Side-by-side mounting
120
100%
100
85%
75%
80
60
Load ratio (%)
Note: 1. At less than 90 VAC, derate the load at 2.5%/V.
2. For a DC input, reduce the load given in the above derating
curve by multiplying by the following coefficients.
S8VK-S12024: 0.9
Load ratio (%)
Note: 1. At less than 90 VAC, derate the load at 2.5%/V.
2. For a DC input, reduce the load given in the above derating
curve by multiplying by the following coefficients.
S8VK-S06024: 0.9
120
100%
100
85%
75%
80
60
35°C max
40
35°C max
40
40°C
40°C
55 °C
20
55 °C
20
0
0
500
1,000 1,500 2,000 2,500 3,000 3,500
Altitude (m)
0
0
500
1,000 1,500 2,000 2,500 3,000 3,500
Altitude (m)
Note: 1. Apply the rated voltage
Note: 1. Apply the rated voltage
Front, Side-by-side mounting
Front, Side-by-side mounting
7
S8VK-S
Mounting
Two phases application for Single phase models
(B) Face-up mounting
(A) Standard (Vertical)
mounting
(C) Front, Side-by-side
mounting
Overload Protection
Basically OMRON single phase power supply can be used on twophases of a 3–phase-system when some of conditions satisfy like
below.
1. The supplying voltage is below the maximum rated input.
OMRON Power supply allows the input voltage equivalent or less
than 240 VAC+10%.
Please confirm the input voltage between two lines if the input
voltage satisfies this condition before connecting.
2. The external protector is needed on N input line to secure a safety.
N line has no protection of a fuse internally.
An appropriate fuse or circuit breaker should be connected on N
input line like the following.
L1
L2
L3
PE
Power Supply
Internal
Fuse
An external
fuse or a
circuit breaker
Output voltage (V)
The load and the power supply are automatically protected from
overcurrent damage by this function.
Overload protection is activated if the output current rises above
121% of the rated current.
When the output current returns within the rated range, overload
protection is automatically cleared.
For All Single phase Models, S8VK-S
N
max. 240 VAC+10%
The values shown in the above
diagrams are for reference only.
Intermittent operation
0
50
Reference Value
100
Output current (%)
Note: 1. Internal parts may occasionally deteriorate or be damaged if a
short-circuited or overcurrent state continues during operation.
2. Internal parts may possibly deteriorate or be damaged if the
Power Supply is used for applications with frequent inrush
current or overloading at the load end. Do not use the Power
Supply for such applications.
Overvoltage Protection
Consider the possibility of an overvoltage and design the system so
that the load will not be subjected to an excessive voltage even if the
feedback circuit in the product fails. If an excessive voltage that is
approximately 130% 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 three minutes and then turning it back ON again.
Note: Do not turn ON the power again until the cause of the
overvoltage has been removed.
Inrush Current, Startup Time, Output Hold Time
Input ON
Input OFF
Input
Voltage
Inrush current on input application
Input
Current
96.5%
90%
Output
voltage
Startup time
Hold time
Note: Twice the normal inrush current will flow during parallel
operation or for backup operation. Also, if crossover wiring is
used for N number of Power Supplies, an inrush current of N
times the inrush current for a standalone Power Supply will
flow.
Therefore, check the fusing characteristics of fuses and
operating characteristics of breakers making sure that the
external fuses will not burn out and the circuit breakers will not
be activated by the inrush current.
8
L
Value
Reliability
(MTBF)
Single phase model
60 W: 640,000
120 W: 480,000
Definition
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 a
life of the product.
Life expectancy
10 yrs. Min.
Definition
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.
S8VK-S
Dimensions
(Unit: mm)
S8VK-S06024 (60 W)
90 ±1
(1.2)
5.4
78.55
86
90 ±1
Rail Stopper
5.4
32 ±1
3.5
4.7
(Sliding: 10 max.)
S8VK-S12024 (120 W)
90
±1
86
5.4
(1.2)
90 ±1
78.55
3.5
Rail Stopper
5.4
55 ±1
4.7
(Sliding: 10 max.)
9
S8VK-S
DIN Rail (Order Separately)
(Unit: mm)
Mounting Rail (Material: Aluminum)
PFP-100N
PFP-50N
7.3±0.15
4.5
35±0.3
15
25
10
25
25
10
1,000 (500) *
27±0.15
15(5) *
25
1
* Values in parentheses are for the PFP-50N.
Mounting Rail (Material: Aluminum)
PFP-100N2
16
4.5
35±0.3 27
15
25
10
25
25
10
1,000
25
15
24
29.2
1
1.5
End Plate
PFP-M
10
6.2
M4×8 panhead screw
1.8
1
50
1.8
35.5 35.5
11.5
1.3
10
M4 spring washer
4.8
Note: If there is a possibility that the Unit will be subject to vibration or shock, use a steel DIN Rail. Otherwise, metallic filings may result from
aluminum abrasion.
Mounting Brackets
Name
Model
Front-mounting bracket (for 60 W models)
S82Y-VS10F
Side-mounting bracket (for 60 W models)
S82Y-VS10S
Note: Be sure to use the accessory screws.
Mounting screw tightening torque (recommended): 4.43 to 5.31 lb-in (0.5 to 0.6 N·m)
Type
Model
Dimensions
Appearance
41
4.5 dia.±0.1
35
25
Front-mounting
bracket
S82Y-VS10F
(For 60 W models)
Two locations
Mounting screw tightening
torque: 0.5 to 0.6 N·m
35±0.1
7.3
10
40
50
t = 1.0
Left-side mounting
4.5 dia.±0.1
55±0.1
35
64
t = 2.0
10
60±0.1
80
Side-mounting
bracket
S82Y-VS10S
(For 60 W models)
13
Three locations
Mounting screw tightening
torque: 0.5 to 0.6 N·m
Right-side mounting
S8VK-S
Safety Precautions
Warning Indications
WARNING
Indicates a potentially hazardous
situation which, if not avoided, will
result in minor or moderate injury, or
may result in serious injury or death.
Additionally, there may be significant
property damage.
CAUTION
Indicates a potentially hazardous
situation which, if not avoided, may
result in minor or moderate injury or in
property damage.
Precautions for
Safe Use
Supplementary comments on what to
do or avoid doing, to use the product
safely.
Precautions for
Correct Use
Supplementary comments on what to
do or avoid doing, to prevent failure to
operate, malfunction or undesirable
effect on product performance.
Meaning of Product Safety Symbols
Used to warn of the risk of electric shock under
specific conditions.
Used to warn of the risk of minor injury caused by
high temperatures.
Use to indicate prohibition when there is a risk of
minor injury from electrical shock or other source
if the product is disassembled.
Used for general mandatory action precautions
for which there is no specified symbol.
!WARNING
Insert the solid wire or ferrule straight into the
terminal block until the end touches the terminal
block.
!CAUTION
Minor electric shock, fire, or Product failure may
occasionally occur. Do not disassemble, modify, or
repair the Product or touch the interior of the
Product.
Minor burns may occasionally occur. Do not touch
the Product while power is being supplied or
immediately after power is turned OFF.
Minor injury due to electric shock may occasionally
occur. Do not touch the terminals while power is
being supplied. Always close the terminal cover after
wiring.
Minor electric shock, fire, or Product failure may
occasionally occur. Do not allow any pieces of metal
or conductors or any clippings or cuttings resulting
from installation work to enter the Product.
11
S8VK-S
Precautions for Safe Use
Installation Environment
• Do not use the Power Supply in locations subject to shocks or
vibrations. In particular, install the Power Supply as far away as
possible from contactors or other devices that are a vibration
source. For usage onboard a ship, always attach an End Plate
(PFP-M) to both sides of the Power Supply to hold the Power
Supply in place.
• Install the Power Supply well away from any sources of strong,
high-frequency noise and surge.
To dismount the Block, pull down portion (C) with a flat-blade
screwdriver and pull out the Block.
25 mm min.
(C)
Operating Life
Rail stopper
• The life of a Power Supply is determined by the life of the
electrolytic capacitors used inside. Here, Arrhenius Law applies,
i.e., the life will be cut in half for each rise of 10°C or the life will be
doubled for each drop of 10°C. The life of the Power Supply can
thus be increased by reducing its internal temperature.
Ambient Operating and Storage Environments
• Store the Power Supply at a temperature of −40 to 85°C and a
humidity of 95% or less.
• Do not use the Power Supply in areas outside the derating curve
otherwise, internal parts may occasionally deteriorate or be
damaged.
• Use the Power Supply at a humidity of 95% max.
• Do not use the Power Supply in locations subject to direct sunlight.
• Do not use the Power Supply in locations where liquids, foreign
matter, or corrosive gases may enter the interior of Power Supply.
Mounting
• Take adequate measures to ensure proper heat dissipation to
increase the long-term reliability of the Power Supply. Be sure to
allow convection in the atmosphere around devices when
mounting. Do not use in locations where the ambient temperature
exceeds the range of the derating curve.
• When cutting out holes for mounting, make sure that cuttings do
not enter the interior of the Power Supplies.
*1
*1
*1
*2
Wiring
• Connect the ground completely. A protective earthing terminal
stipulated in safety standards is used. Electric shock or malfunction
may occur if the ground is not connected completely.
• Minor fire may possibly occur. Ensure that input and output
terminals are wired correctly.
• When you insert wires or insert a screwdriver into a release hole,
do not press down on the terminal block with a force of 40 N or
greater.
• Do not wire anything to the release holes.
• Do not tilt or twist a flat-blade screwdriver while it is inserted into a
release hole on the terminal block. The terminal block may be
damaged.
• Insert a flat-blade screwdriver into the release holes at an angle.
The terminal block may be damaged if you insert the screwdriver
straight in.
• Do not allow the flat-blade screwdriver to fall out while it is inserted
into a release hole.
• Do not bend a wire past its natural bending radius or pull on it with
excessive force. Doing so may cause the wire disconnection.
• Do not insert more than one wire into each terminal insertion hole.
• Do not pre-solder the ends of the wires. Doing so will inhibit proper
connection.
• Be sure to remove the sheet covering the Product for machining
before power-ON so that it does not interfere with heat dissipation.
• Use the following material for the wires to be connected to the
S8VK-S to prevent smoking or ignition caused by abnormal loads.
Terminal name
Model
Recommended
wire gauge
Solid/stranded
wire
AWG
Input terminal
*3
*1
*3
*1
*1
*2
*1. Convection of air
*2. Vertical separation: 25 mm or more
*3. Horizontal separation: 15mm or more
• S8VK-S Power Supplies can be mounted side-to-side.
Use the Product within the derating curve for the front, side-by-side
mounting.
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).
S8VK-S06024,
S12024
AWG22 to 14
0.34 to 2.5 mm2
DC output
terminal
S8VK-S06024 AWG20 to 14
0.5 to 2.5 mm2
S8VK-S12024 AWG18 to 14
0.75 to 2.5 mm2
PE (protective
earth) terminal
S8VK-S06024,
S12024
2.0 to 2.5 mm2
AWG14
• Input crossover wiring can be used for the input side of this Power
Supply.
• Do not use crossover wiring for more than five Power Supplies,
and do not allow the steady-state current to the input terminals to
exceed 5 A. The above table gives the recommended wires for one
Power Supply.
• If you use crossover wiring for N number of Power Supplies, a
current that is N times the current for a standalone Power Supply
may flow to the input terminals. Take this into consideration when
you select wiring materials.
Stripping length
(A)
Stripping length
Recommended Wire
(B)
Ferrules used
0.34 to 1.5mm2/Equivalent to AWG22 to 16 10 mm
8 mm
2 to 2.5mm2/Equivalent to AWG14
10 mm
12 mm
Note: Please use Ferrules with UL certification (R/C).
12
Ferrules not
used
S8VK-S
● Connecting wires to the Push-In Plus Terminal Block
Part Names of the Terminal Block
Terminal (Insertion) hole
Release hole
● Removing wires from the Push-In Plus Terminal Block
Use the following procedure to remove wires from the terminal block.
The same method is used to remove stranded wires, solid wires, and
ferrules.
1. Hold a flat-blade screwdriver at an angle and insert it into the
release hole.
2. With the flat-blade screwdriver still inserted into the release hole,
remove the wire from the terminal insertion hole.
3. Remove the flat-blade screwdriver from the release hole.
Connecting Wires with Ferrules and Solid Wires
Insert the solid wire or ferrule straight into the terminal block until the
end touches the terminal block.
2
10 to 15°
Terminal (Insertion) hole
3
1
Flat-blade screwdriver
● Recommended Ferrules and Crimping Tools
Recommended ferrules
Applicable wire
Release hole
Ferrules
and solid wires
(mm2)
If a wire is difficult to connect because it is too thin, use a flat-blade
screwdriver in the same way as when connecting stranded wire.
Connecting Stranded Wires
Use the following procedure to connect the wires to the terminal block.
1. Hold a flat-blade screwdriver at an angle and insert it into the
release hole. The angle should be between 10° and 15°.
If the flat-blade screwdriver is inserted correctly, you will feel the
spring in the release hole.
2. With the flat-blade screwdriver still inserted into the release hole,
insert the wire into the terminal hole until it strikes the terminal
block.
3. Remove the flat-blade screwdriver from the release hole.
2
10 to 15°
Flat-blade screwdriver
1
(AWG)
Ferrule
Conduct
or length
(mm)
Recommended ferrules
Manufactured Manufactured
Manufactured
by Phoenix
by
by Wago
Contact
Weidmuller
0.34
22
8 AI0.34-8
H0.34/12
FE-0.34-8N-TQ
0.5
20
8 AI0.5-8
H0.5/14
FE-0.5-8N-WH
0.75
18
8 AI0.75-8
H0.75/14
FE-0.75-8N-GY
1
18
8 AI1-8
H1.0/14
FE-1.0-8N-RD
1.5
16
8 AI1.5-8
H1.5/14
FE-1.5-8N-BK
2.5
14
10 AI2.5-10
H2.5/16DS
FE-2.5-10N-BU
PZ6 roto
Variocrimp4
CRIMPFOX6
CRIMPFOX6-F
CRIMPFOX10S
Recommended crimp tool
Note: 1. Make sure that the outer diameter of the wire is smaller than
the inner diameter of the insulating sleeve of the
recommended ferrule.
2. Make sure that the ferrule processing dimensions conform
to the following figure.
3
Checking Connections
• After the insertion, pull gently on the wire to make sure that it will
not come off and the wire is securely fastened to the terminal block.
• To prevent short circuits, insert the stripped part of a stranded or
solid wire or the conductor part of a ferrule until it is hidden inside
the terminal insertion hole. (See the following diagram.)
8 to 10 mm
2.6 mm max.
2.8 mm max.
Recommended Flat-blade Screwdriver
Use a flat-blade screwdriver to connect and remove wires.
Use the following flat-blade screwdriver.
The following table shows manufacturers and models as of 2015/Dec.
Side
Front
2.5 mm dia.
0.4 mm
2.5 mm
Model
Manufacturer
XW4Z-00B
Omron
ESD0.40✕2.5
Wera
SZF 0.4✕2.5
Phoenix Contact
0.4✕2.5✕75 302
Wiha
AEF.2.5✕75
Facom
210-719
Wago
SDI 0.4✕2.5✕75
Weidmuller
13
S8VK-S
Power Boost Function
Series Operation
The boost current is a temporary current that exceeds the rated
current.
However, it should meet the following four boost current conditions.
1. Time that the boost current flows: t1 ≤ 10 s
2. The boost current: Ip ≤ Maximum boost current
3. The average output current: Iave ≤ Rated output current
4. The time ratio of the boost current flow: Duty ≤ 30%
Two Power Supplies can be connected in series.
+V
INPUT
Load
−V
+V
INPUT
−V
t1
× 100 [%] ≤ 30%
t1 + t2
output current
[A]
Ip: Boost current
Rated current
lave: Average current
Note: 1. The diode is connected as shown in the figure. If the load is
short-circuited, a reverse voltage will be generated inside
the product. If this occurs the product may possibly
deteriorate or be damaged. Always connect a diode as
shown in the figure.
Select a diode having the following ratings.
Type
Schottky Barrier diode
Dielectric strength (VRRM) Twice the output voltage or above
t2
• Do not allow a boost current to flow for more than 10 s.
Do not allow the duty to exceed 30%. These conditions may
damage the Power Supply.
• Do not allow the average current for one cycle of the boost current
to exceed the rated current. The Power Supply may be damaged.
• Derate the load at the boost current according to the ambient
operating temperature and mounting direction.
Overcurrent Protection
• Internal parts may possibly deteriorate or be damaged if a
short-circuited or overcurrent state continues during operation.
• Internal parts may possibly deteriorate or be damaged if the Power
Supply is used for applications with frequent inrush current or
overloading at the load end. Do not use the Power Supply for such
applications.
Making Positive/Negative Outputs
• The outputs are floating outputs (i.e., the primary circuits and
secondary circuits are separated). You can therefore make
positive and negative outputs by using two Power Supplies.
You can make positive and negative outputs with any of the
models.
If positive and negative outputs are used, connect Power Supplies
of the same model as in the following figure. (Combinations with
different output capacities or output voltages can be made.
However, use the lower of the two maximum rated output currents
as the current to the loads.)
+V
+V
INPUT
Load
t1
Forward current (IF)
Twice the rated output current or above
2. Although Products having different specifications can be
connected in series, the current flowing through the load
must not exceed the smaller rated output current.
−V
Charging a Battery
If you connect a battery as the load, install overcurrent control and
overvoltage protection circuits.
Output Voltage Adjuster (V.ADJ)
• The output voltage adjuster (V.ADJ) may possibly be damaged if it
is turned with unnecessary force. Do not turn the adjuster with
excessive force.
• After completing output voltage adjustment, be sure that the output
power or output current does not exceed the rated output electric
power or rated output current.
Load
0V
+V
INPUT
−V
−V
• Depending on the model, internal circuits may be damaged due to
startup failure when the power is turned ON if loads such as a
servomotor or operational amplifier may operate in series.
Therefore, connect bypass diodes (D1, D2) as shown in the
following figure.
+V
D1
INPUT
+V
INPUT
D2
Load
Load
−V
Load
Duty=
−V
• Use the following information as a guide to the diode type,
dielectric strength, and current.
Type
Schottky Barrier diode
Dielectric strength (VRRM) Twice the output voltage or above
Forward current (IF)
14
Twice the rated output current or above
S8VK-S
Parallel Operation
Backup Operation
Parallel operation is used when the output current from one Power
Supply is insufficient for the load. Power Supplies are connected in
parallel to increase the output current.
Two Power Supplies can be connected in parallel.
1. You must meet the following conditions to use parallel operation.
• Standard mounting.
• The range of ambient temperature is -25 to 40°C.
Left and right interval 15 mm or more, Up and down interval 25
mm min.
• Rated input voltage range and output voltage of 25 V max.
2. <S8VK-S06024 Only>
The total output current must be 4 A max.
3. Adjust the output voltage difference of each Power Supply to 50
mV or less, using the output voltage adjuster (V. ADJ).
4. There is no current balancing function for S8VK-G. A high output
voltage unit may work at overcurrent state and in this situation, a
life of a Power Supply will be extremely short.
After adjusting the output voltage, confirm the output current of the
Power Supplies balances.
5. Using the parallel operation will not satisfy UL1310 Class2 output.
6. For Parallel Operation, to balance the current of the each unit, the
length and thickness of each wire connected to the load and each
unit must be same as much as possible.
7. If you use the output voltage may drop by several volts if the load
changes rapidly (e.g., if the load starts or is disconnected). Use the
S8VK-R or connect external diodes as shown in the figure.
For parallel operation with 60-W or 120-W Power Supplies, use
the S8VK-R10.
8. Do not use parallel operation when there is the possibility that the
input voltage will vary outside of the rated input range.
Backup operation is possible if you use two Power Supplies of the
same model.
Even if one Power Supplies fails, operation can be continued with the
other Power Supply.
Make sure that the maximum load does not exceed the capacity of
one Power Supply.
Use the S8VK-R or connect external diodes. For backup operation
with 60-W or 120-W Power Supplies, use the S8VK-R10.
S8VK-R
+V
+V
IN 1
INPUT
−V
−V
S8VK-S
IN 2
−V
+V
−V
Load
S8VK-S
INPUT
S8VK-S
+V
INPUT
−V
• Use the following information as a guide to the diode type,
dielectric strength, and current.
Type
Schottky Barrier diode
Dielectric strength (VRRM) Twice the output voltage or above
Forward current (IF)
Load
+V
IN 1
INPUT
−V
−V
S8VK-S
+V
INPUT
IN 2
−V
+V
INPUT
−V
Load
S8VK-S
S8VK-S
+V
INPUT
−V
• Use the following information as a guide to the diode type,
dielectric strength, and current.
Schottky Barrier diode
Dielectric strength (VRRM) Twice the output voltage or above
Forward current (IF)
Twice the rated output current or above
In Case There Is No Output Voltage
+V
INPUT
S8VK-R
+V
Type
Load
S8VK-S
S8VK-S
Twice the rated output current or above
The possible cause for no output voltage may be that the overcurrent
or overvoltage protection has operated. The internal protection may
operate if a large amount of surge voltage such as a lightening surge
occurs while turning ON the power supply.
In case there is no output voltage, please check the following points
before contacting us:
• Checking overload protected status:
Check whether the load is in overload status or is short-circuited.
Remove wires to load when checking.
• Checking overvoltage or internal protection:
Turn the power supply OFF once, and leave it OFF for at least
3 minutes. Then turn it ON again to see if this clears the condition.
Audible Noise at Power ON
<S8VK-S12024 only>
A harmonic current suppression circuit is built into the Power Supply.
This circuit can create noise when the input is turned ON, but it will
last only until the internal circuits stabilize and does not indicate any
problem in the Product.
15
S8VK-S
Period and Terms of Warranty
Warranty Period
The Power Supply warranty is valid for a period of five years from the date of shipment from the factory.
Terms of Warranty
The warranty is valid only for the following operating conditions.
1. Average ambient operating temperature of the Power Supply: 40°C max. (See note.)
2. Average load rate of 80% max. (See note.)
3. Mounting method: Standard mounting
4. Rated input voltage
Note: The maximum ratings must be within the derating curve.
If the Power Supply fails for reasons attributable to OMRON within the above warranty period, OMRON will repair or replace the faulty part of the
Power Supply at the place of purchase or the place where the Power Supply delivered without charge.
This warranty does not cover the following types of failures.
(1) Failures that result from handling or operation of the Power Supply under conditions or in environments that are not given in this document
and not given in any other specifications exchanged between OMRON and the customer
(2) Failures that originate in causes other than the delivered product itself
(3) Failures caused by disassembly, modification, or repair of the Power Supply by anyone other than OMRON
(4) Failures caused by applications or uses for which the Power Supply was not originally intended
(5) Failures caused by factors that could not be anticipated with the scientific or technical knowledge available when the Power Supply was shipped
(6) Failures caused by other causes for which OMRON is not responsible, such as natural disasters and other acts of God
This warranty is limited to the individual Power Supply that was delivered and does not cover any secondary, subsequent, or related damages.
Recommended Replacement Periods and Periodic Replacement for
Preventive Maintenance
The recommended replacement period for preventive maintenance is greatly influenced by the application environment of the Power Supply. As
a guideline, the recommended replacement period is 7 to 10 years.*
To prevent failures or accidents that can be caused by using a Power Supply beyond its service live, we recommend that you replace the Power
Supply as early as possible within the recommended replacement period.
However, bear in mind that the recommended replacement period is for reference only and does not guarantee the life of the Power Supply.
Many electronic components are used in the Power Supply and the Power Supply depends on the correct operation of these components to
achieve the original Power Supply functions and performance.
However, the influence of the ambient temperature on aluminum electrolytic capacitors is large, and the service life is reduced by half for each
10°C rise in temperature (Arrhenius law).
When the capacity reduction life of the electrolytic capacitor is reached, the Power Supply failures or accidents may occur.
We therefore recommend that you replace the Power Supply periodically to minimize product failures or accidents in advance.
* The recommended replacement period applies under the following conditions: rated input voltage, load rate of 50% max., ambient temperature
of 40°C max., and the standard mounting method.
This product model is designed with a service life of 10 years minimum under the above conditions.
16
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.
OMRON Corporation
Industrial Automation Company
Authorized Distributor:
Kyoto, JAPAN
Contact: www.ia.omron.com
Regional Headquarters
OMRON EUROPE B.V.
Wegalaan 67-69, 2132 JD Hoofddorp
The Netherlands
Tel: (31)2356-81-300/Fax: (31)2356-81-388
OMRON ELECTRONICS LLC
2895 Greenspoint Parkway, Suite 200
Hoffman Estates, IL 60169 U.S.A.
Tel: (1) 847-843-7900/Fax: (1) 847-843-7787
OMRON ASIA PACIFIC PTE. LTD.
No. 438A Alexandra Road # 05-05/08 (Lobby 2),
Alexandra Technopark,
Singapore 119967
Tel: (65) 6835-3011/Fax: (65) 6835-2711
OMRON (CHINA) CO., LTD.
Room 2211, Bank of China Tower,
200 Yin Cheng Zhong Road,
PuDong New Area, Shanghai, 200120, China
Tel: (86) 21-5037-2222/Fax: (86) 21-5037-2200
© OMRON Corporation 2016 All Rights Reserved.
In the interest of product improvement,
specifications are subject to change without notice.
CSM_1_1_0316
Cat. No. T205-E1-01
0416 (0416)