Power Supply PS40W
Manual
Information in this document is subject to change without notice.
No part of this document may be reproduced or transmitted without the express written
permission of Multi Channel Systems MCS GmbH.
and the author assume no responsibility for errors or omissions, or for damages resulting
from the use of information contained in this document or from the use of programs and
source code that may accompany it. In no event shall the publisher and the author be liable
for any loss of profit or any other commercial damage caused or alleged to have been
caused directly or indirectly by this document.
© 2013 Multi Channel Systems MCS GmbH. All rights reserved.
Printed: 08. 04. 2013
Multi Channel Systems
MCS GmbH
Aspenhaustraße 21
72770 Reutlingen
Germany
Fon +49-71 21-90 92 5 – 0
Fax +49-71 21-90 92 5 -11
info@multichannelsystems.com
www.multichannelsystems.com
Microsoft and Windows are registered trademarks of Microsoft Corporation. Products that
are referred to in this document may be either trademarks and/or registered trademarks of
their respective holders and should be noted as such. The publisher and the author make no
claim to these trademarks.
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Table of Contents
1 Important Information and Instructions 1
1.1 Operator's Obligations 1
1.2 Guarantee and Liability 2
1.3 Important Safety Advice 2
2 Welcome to the Power Supply PS40W 3
3 Setting Up and Connecting the PS40W 4
3.1 Front Panel 4
3.2 Rear Panel 4
4 Technical Specifications 5
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1 Important Information and Instructions
1.1 Operator's Obligations
The operator is obliged to allow only persons to work on the device, who
are familiar with the safety at work and accident prevention regulations
and have been instructed how to use the device;
are professionally qualified or have specialist knowledge and training and have received
instruction in the use of the device;
have read and understood the chapter on safety and the warning instructions in this
manual and confirmed this with their signature.
It must be monitored at regular intervals that the operating personnel are working
safely. Personnel still undergoing training may only work on the device under the
supervision of an experienced person.
1.2 Guarantee and Liability
The General conditions of sale and delivery of Multi Channel Systems MCS GmbH always
apply. The operator will receive these no later than on conclusion of the contract.
Multi Channel Systems MCS GmbH makes no guarantee as to the accuracy of any and all
tests and data generated by the use of the device or the software. It is up to the user to
use good laboratory practice to establish the validity of his findings.
Guarantee and liability claims in the event of injury or material damage are excluded
when they are the result of one of the following.
Improper use of the device.
Improper installation, commissioning, operation or maintenance of the device.
Operating the device when the safety and protective devices are defective and / or
inoperable.
Non-observance of the instructions in the manual with regard to transport, storage,
installation, commissioning, operation or maintenance of the device.
Unauthorized structural alterations to the device.
Unauthorized modifications to the system settings.
Inadequate monitoring of device components subject to wear.
Improperly executed and unauthorized repairs.
Unauthorized opening of the device or its components.
Catastrophic events due to the effect of foreign bodies or acts of God.
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1.3 Important Safety Advice
Warning: Obey always the rules of local regulations and laws. Only qualified
personnel should be allowed to perform laboratory work. Work according
to good laboratory practice to obtain best results and to minimize risks.
The product has been built to the state of the art and in accordance with recognized
safety engineering rules. The device may only
be used for its intended purpose;
be used when in a perfect condition.
Improper use could lead to serious, even fatal injuries to the user or third parties
and damage to the device itself or other material damage.
Warning: The devices and the software are not intended for medical
uses and must not be used on humans.
Malfunctions which could impair safety should be rectified immediately.
High Voltage
Electrical cords must be properly laid and installed. The length and quality of the cords
must be in accordance with local provisions.
Only qualified technicians may work on the electrical system. It is essential that the
accident prevention regulations and those of the employers' liability associations are
observed.
Each time before starting up, make sure that the mains supply agrees with the
specifications of the products.
Check the power cords for damage each time the site is changed. Damaged power
cords should be replaced immediately and may never be reused.
Check the leads for damage. Damaged leads should be replaced immediately and may
never be reused.
Do not try to insert anything sharp or metallic into the vents or the case of the products.
Liquids may cause short circuits or other damage. Keep the devices and the power cords
always dry. Do not handle it with wet hands.
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2 Welcome to the Power Supply PS40W
The PS40W is a standard power supply delivering supply voltages to connected devices.
It supplies power with 42 W output power and +/– 7 V output voltage.
The PS40W is especially recommended for use with Multi Channel Systems products,
for example, it is perfect for supplying power to programmable gain amplifiers PGA
and for custom setups that lack an internal power supply IPS10W. But the PS40W
is also perfect for custom applications.
The PS40W stabilises two voltages using the switching regulation technique.
Two LED lights indicate the proper function of the device.
The outputs of the device have over-current and over-temperature protection.
In case of a failure of the device, the output voltages are decreased. Fuses protect
the electronic components against fatal damages.
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3 Setting Up and Connecting the PS40W
3.1 Front Panel
The front panel of the PS40W holds the connectors for delivering the supply voltage
to the following devices as well as two green LED lights indicating the negative and
the positive output voltage of 7 volts, respectively.
The color of the plugs indicates the polarity.
Blue 4 mm blue connector Negative supply voltage
Black 4 mm black connector Power ground
Red 4 mm red connector Positive supply voltages
The front panel LED’s light up if the negative and the positive voltages are stable.
A flashing light can be caused by short-circuits or over-temperature. If the LED’s
are dark, the voltage is reduced to lower values.
Warning: Do not mismatch the polarity of the power supply.
A false connection may cause permanent damages.
Note: If by any cause the supply voltages are reduced, the recorded signals
could be deformed.
3.2 Rear Panel
The rear panel of the device holds the main switch and the main power supply
connector. Please use only the provided power supply cords. Do not switch on the device
when manipulating the cables delivering the supply voltages to the device of interest.
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4 PS40W Power Supply
Technical Specifications
PS40W
Operating temperature 10 °C to 40 °C
Storage temperature 0 °C to 50 °C
Dimensions (W x D x H) 172 mm x 220 mm x 52 mm
Weight 1750 g
Main fuse 2 A
Supply voltage 90 - 264 VAC @ 50 - 60 Hz
Output voltage ± 7.0 V ± 10 %
Output current max. 2.5 A @ ± 7 V
Output power 42 W
Output voltage ripple < 20 mV
Efficiency approximately 80 %
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