Reference Manual
CONTENTS
5VDC AC-DC Converter
PWD-25AWD5
Introduction .................................................................. 3
Safety Precautions ...................................................... 8
Installation ................................................................... 13
Functions...................................................................... 16
Appendix ...................................................................... 22
Customer Support and Inquiry ............................ 26
— 2 —
Table of Contents
Introduction .................................................................... 3
1. Related Manuals ...................................................................................................................................... 4
2. About the Product ................................................................................................................................... 5
3. Product Configuration List..................................................................................................................... 6
4. Optional Products.................................................................................................................................... 7
Safety Precautions .......................................................... 8
1. Safety Information ................................................................................................................................... 9
2. Handling Precautions............................................................................................................................ 10
3. Storage..................................................................................................................................................... 12
4. Disposal ................................................................................................................................................... 12
Installation ..................................................................... 13
1. Power Cable Settings ............................................................................................................................ 14
2. Installation............................................................................................................................................... 15
Functions ....................................................................... 16
1. Function Description ............................................................................................................................. 17
1. The Range of the Input Voltage.................................................................................................... 17
2. Inrush Currents ................................................................................................................................. 17
3. Output Voltage Adjustment Range.............................................................................................. 17
4. Dielectric Resistance - Isolation Reduction ................................................................................ 18
5. Derating ............................................................................................................................................. 18
6. Expected Lifetime............................................................................................................................. 20
7. Grounding ......................................................................................................................................... 21
8. Applicable Electric Cable ................................................................................................................ 21
9. Remarks ............................................................................................................................................. 21
Appendix ....................................................................... 22
1. Specification ........................................................................................................................................... 23
2. Physical Dimensions .............................................................................................................................. 24
3. Interface ................................................................................................................................................... 25
Customer Support and Inquiry..................................... 26
1. Services .................................................................................................................................................... 27
— 3 —
Introduction
This section provides necessary information of the product
such as the outline, bundled items and manuals before
actual use.
—
Introduction
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PWD-25AWD5 Reference Manual
— 4 —
1. Related Manuals
The manuals related to the product are listed below.
Read them as necessary along with this document.
Must Read the Followings.
Name
Purpose
Contents
How to get
Product Guide
Must read this after
opening the package.
This lists the product
configuration and describes
the precautions.
Included in the package
(Printed matter)
Reference Manual
Read this when
operating the product.
This describes the hardware
aspects such as functions
and settings.
Download from
the
CONTEC
website (PDF)
Download Manuals
Download the manuals accordingly from the following URL.
Download
https://www.contec.com/download/
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Introduction
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PWD-25AWD5 Reference Manual
— 5 —
2. About the Product
This product is an AC-DC power supply unit used for the CONTEC F&eIT series.
When using with non-CONTEC equipment, please refer to the maker website for the basic features
data and guidance of KH series regarding the specification.
(https://www.cosel.co.jp/en/products/sub01-26.html)
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Introduction
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PWD-25AWD5 Reference Manual
— 6 —
3. Product Configuration List
The product consists of the items listed below.
Check, with the following list, that your package is complete.
If you discover damaged or missing items, contact your retailer.
Product…1
DC Cable…1
Serial Number Label…1
Product Guide…1
Warranty Certificate…1
This product requires an AC cable. We have a recommended AC cable as an optional product
(IPC-ACCODE3).
Visit the CONTEC website for the detailed information on AC cables.
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Introduction
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PWD-25AWD5 Reference Manual
— 7 —
4. Optional Products
Optional product items are as follows:
Use these items with the product as necessary.
Product Name
Model type
Description
AC power cable
IPC-ACCODE3
AC cable with 3-round-end terminal
(Length : 2 meters, Rating : 7A 125V)
Visit the CONTEC website for the latest optional products.
Website
https://www.contec.com/
— 8 —
Safety Precautions
Understand the following definitions and precautions to
use the product safely.
Never fail to read them before using the product.
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Safety Precautions
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PWD-25AWD5 Reference Manual
— 9 —
1. Safety Information
This document provides safety information using the following symbols to prevent accidents
resulting in injury or death and the destruction of equipment and resources.
Understand the meanings of these labels to operate the equipment safely.
DANGER
Signal word used to indicate an imminently hazardous situation which,
if not avoided, will result in death or serious injury.
WARNING
Signal word used to indicate a potentially hazardous situation which,
if not avoided, could result in death or serious injury.
CAUTION
Signal word used to indicate a potentially hazardous situation which,
if not avoided, could result in minor or moderate injury.
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Safety Precautions
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PWD-25AWD5 Reference Manual
— 10 —
2. Handling Precautions
WARNING
Do not use the product in locations exposed to a flammable or corrosive gas. It may cause
explosion, fire, electrical shock, or malfunction.
If you sense abnormality (smoke, odor, or noise), immediately unplug the power cord from
the wall outlet and contact the CONTEC sales representative or sales office.
To avoid electrocution do not use the product with a wet hand.
Be sure to connect the product to the stipulated power supply voltage. Connecting to a
different voltage might cause a fire or electrical shock.
Do not use the product with the other power device. It may cause fire or malfunction.
When the cable or main body is damaged, stop using and repair it immediately. Using it as it
is may cause fire, electrical shock or malfunction.
Never disassemble or modify the product or replace its parts in order to prevent electrical
shock, fire, or malfunction. CONTEC reserves the right to refuse servicing the product
modified by the user. When any part of the product needs to be replaced at the expiration of
its life or due to breakdown, please contact the CONTEC sales representative or sales office.
Use the product with the specified models by the CONTEC. Not doing so may cause
malfunction.
Use the product in the specified operating condition (temperature and humidity)
This product is a device embedded product, it is not a final product.
If you use other than our specified models (the CONTEC F&eIT series), please check detailed
information of KH series
(Basic characteristics data * Instruction manual) at the power supply maker web.
https://www.cosel.co.jp/en/products/sub01-26.html
CAUTION
Do not use or store the product in a location exposed to extremely high or low temperature
or susceptible to a rapid temperature change.
Example: - Exposure to direct sun
- In the vicinity of a heat source
When unplugging the cable, hold the plug. Holding and pulling the cable itself can cause a
failure such as discontinuity.
To clean the product, wipe it gently with soft cloth damp with either water or mild detergent.
Do not use chemicals or a volatile solvent, such as benzene and thinner, to prevent peeling or
discoloration of the paint.
When transporting the product, provide adequate measures to protect it from vibration or
shock.
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Safety Precautions
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PWD-25AWD5 Reference Manual
— 11 —
No part of this document may be copied or reproduced in any form by any means without
prior written consent of CONTEC CO., LTD.
The information in this document is subject to change without notice.
All relevant issues have been considered in the preparation of this document. Should you
notice an omission or any questionable item in this document, please feel free to notify
CONTEC CO., LTD.
Regardless of the foregoing statement, CONTEC assumes no responsibility for any errors that
may appear in this document or for results obtained by the user as a result of using this
product.
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Safety Precautions
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PWD-25AWD5 Reference Manual
— 12 —
3. Storage
When storing this product, keep it in its original packing form.
Put this product in the storage bag.
Wrap it in the packing material, and then put it in the box.
Store the package at room temperature at a place free from direct sunlight, moisture, shock,
vibration, magnetism, and static electricity.
4. Disposal
When disposing of the product, follow the disposal procedures stipulated under the relevant laws
and municipal ordinances.
— 13 —
Installation
This section explains how to install the product.
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Installation
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PWD-25AWD5 Reference Manual
— 14 —
1. Power Cable Settings
Refer to the figure below to set the power supply unit, AC cable, and DC cable (bundled).
This figure is the case using the CONTEC’s AC cable [IPC-ACCODE3].
Terminal tightening torque : 10KgF·cm
Red
Black
Green
Black
White
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Installation
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PWD-25AWD5 Reference Manual
— 15 —
2. Installation
Follow the instructions below to install the product. If you install the product in the orientation that
is different from the standard mounting orientation (A), please fix the power supply to withstand the
impact and vibration.
When you mount the power supply unit on a DIN rail, have the area marked A catch one side of the
rail and push the product to the direction of B. To remove the power supply unit from the rail, either
push down the area marked C or insert a tool such as driver to the area marked D and pull the
product apart from the rail. When you couldn’t remove the product easily, push down the area
marked C while lightly pushing the product to the direction of E.
— 16 —
Functions
This section describes the functions of the product.
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Functions
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PWD-25AWD5 Reference Manual
— 17 —
1. Function Description
1. The Range of the Input Voltage
If the input voltage varies, it might excess the accuracy of the voltage regulator.
Contact your retailer for details.
This product is capable of coping with instant input voltage dip. (Derating is required.)
- Output range up to : 10W
- Input : 50VAC or 70VDC
- Duty : 1s/30s
* Never operate for more than a second or longer, or the product can de damaged.
-Usable between 85 and 264VAC.
The approval of safety standards is “100 - 240VAC (50/60Hz)” for the rated input voltage range.
If input value doesn’t fall within above range, a product may not operate in accordance with
specifications and/or start humming, the operate protection circuit or fail.
If you need to apply a square waveform input voltage, which is commonly used in UPS and inverters,
please contact your retailer.
2. Inrush Currents
This product contains rush current suppression circuit.
If you are to use a switch, make sure it withstands inrush currents.
As a power thermistor is used for inrush current suppression, be sure the product is cool enough
when restarting input soon after turning on the power.
3. Output Voltage Adjustment Range
To increase an output voltage, turn a built-in potentiometer clockwise.
To decrease the output voltage, turn it counterclockwise.
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Functions
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PWD-25AWD5 Reference Manual
— 18 —
4. Dielectric Resistance - Isolation Reduction
When testing a voltage resistance for such as acceptance inspections, increase the volume gradually.
When blocking the power, use a dial to decrease gradually as well. Refrain from conducting a
withstand voltage test with a timer since it may drive the excessive apply voltage when the timer
operates.
5. Derating
Derating by input voltage
The figure below shows derating curve by input voltage.
Derating by operating ambient temperature
The operative ambient temperature varies depending on the input voltage or the heat dissipation
surroundings. Refer to the derating curve shown below.
In the hatched area, the specification of Ripple, Ripple Noise is different from other area.
Derating Curve (Convection)
Derating curve depend on ambient temperature (Vin = 85 to 170VAC)
[VAC]
Loard Factor
[%]
100
80
85 90
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Functions
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PWD-25AWD5 Reference Manual
— 19 —
Derating curve depend on ambient temperature (Vin = 170 to 264VAC)
Derating curve depend on ambient temperature with forced air (Vin = 85
to 264VAC)
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Functions
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PWD-25AWD5 Reference Manual
— 20 —
6. Expected Lifetime
Expected Lifetime
Expected lifetime is listed below.
Installing
method
Cooling
method Input voltage
Average ambient
temperature
(year)
Expected Lifetime
Load factor
Io ≤ 75%
Load factor
75% < Io ≤ 100%
A Convection
85 – 170VAC
Ta = 50°C or less
10 years
7 years
Ta = 60°C
6 years
3 years
170 – 264VAC
Ta = 50°C or less
10 years
9 years
Ta = 60°C
6 years
4 years
B Convection
85 – 170VAC
Ta = 40°C or less
10 years
10 years
Ta = 50°C
10 years
6 years
170 – 264VAC
Ta = 50°C or less
10 years
9 years
Ta = 60°C
6 years
4 years
C Convection
85 – 170VAC
Ta = 35°C or less
10 years
10 years
Ta = 45°C
10 years
7 years
170 – 264VAC
Ta = 50°C or less
10 years
6 years
Ta = 60°C
5 years
3 years
D Convection
85 – 170VAC
Ta = 35°C or less
10 years
10 years
Ta = 45°C
10 years
6 years
170 – 264VAC
Ta = 50°C or less
10 years
7 years
Ta = 60°C
5 years
3 years
E Convection
85 – 170VAC
Ta = 35°C or less
10 years
10 years
Ta = 45°C
10 years
6 years
170 – 264VAC
Ta = 50°C or less
10 years
7 years
Ta = 60°C
5 years
3 years
A, B, C, D and E
Forced air
85 – 264VAC
Ta = 70°C
5 years
3 years
* Refer to "Installation (page13)" for installing method A to E.
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