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Front panel controls 

1.  POWER – Master on/off selector

2.  OUTPUT– Power output terminals

3.  UVL – Recessed screw adjustment for UVL (upper voltage limit)

4.  CURR – Current limit adjustment

5.  VOLT – Output voltage adjustment

6.  UVL/VOLTAGE – Press to view upper voltage limit

7. 

REVIEW – Press to display voltage and current limit settings

8.  RANGE – Select desired output voltage and current range

9.  OUTPUT ON – Activates supply output

10. 

UVL – Upper Voltage Limit Indicator, illuminates when UVL is displayed

11. 

C.V. – Constant Voltage Indicator, illuminates when supply is in CV mode

12. 

C.C. – Constant Current Indicator, illuminates when supply is in CC mode

13. 

ALM – Indicates output voltage is either over the set Upper Voltage Limit or power 

supply is in over temperature protection

14. 

SLAVE – Illuminates when supply in Slave Mode. No light assumes supply is in 

MASTER or stand alone mode.

15.  Four Digit Ammeter display

16.  Four Digit Voltmeter display 

 

Rear panel connections

17. 

MASTER/SLAVE selector – Use select mode in Master/Slave configuration. For 

normal operation, this switch should be set to MASTER (default)

18. 

OUT/IN terminals – Connections for use in the Master/Slave control parallel 

operation mode

19.  RS+ and RS– Remote sensing terminals

20.  OUT+ and OUT– Alternative output terminals, in some permanent applications the 

location of these terminals may be more convenient.

21. 

INPUT POWER jack – For connection of supplied AC power cord.

Summary of Contents for 72-8355

Page 1: ...1 Model 72 8355 Constant Power Switch Mode Bench PSU ...

Page 2: ... opening Avoid severe impacts or rough handling that leads to damage Do not discharge static electricity This appliance can be used by children aged from 8 years and above and persons with reduced physical sensory or mental capabilities or lack of experience and knowledge if they have been given supervision or instruction concerning use of the appliance in a safe way and understand the hazards inv...

Page 3: ...es when supply is in CC mode 13 ALM Indicates output voltage is either over the set Upper Voltage Limit or power supply is in over temperature protection 14 SLAVE Illuminates when supply in Slave Mode No light assumes supply is in MASTER or stand alone mode 15 Four Digit Ammeter display 16 Four Digit Voltmeter display Rear panel connections 17 MASTER SLAVE selector Use select mode in Master Slave ...

Page 4: ...o zero Viewing Settings The REVIEW button 7 allows you to check voltage and current limiting settings of the power supply while the OUTPUT 9 is turned off or when no load is connected This is especially helpful since conventional power supplies require the connection of some type of load to view the current limit setting To operate press and hold the REVIEW button 7 to display voltage and current ...

Page 5: ...onnect the OUT of the first SLAVE to the IN of the second SLAVE Then connect the OUT of the second SLAVE to the IN of the third SLAVE and so on Output terminal connection and operation You can either use the front OUTPUT terminals 2 or rear O P and O P terminals 20 to connect to the load as shown in Fig 8 3 depending on your application and requirements For proper performance all power cables shou...

Page 6: ...tion In situations where the load current is very high or when there is a long distance of cable between the output of the supply and the load a voltage drop can occur This can create problems in applications where precise voltage levels are critical For this situation RS RS terminals 19 are provided on the rear panel for remote sense connection Connection and operation Ensure that the front panel...

Page 7: ...power supply in liquid or allow any liquid to enter the case Do not use any chemicals abrasives or solvents that could damage the power supply casing Changing the fuse Replace the fuse only with one of exactly the same type and rating Disconnect the mains power and unplug the mains lead before replacing the fuse ...

Page 8: ...fe it must be treated as Waste Electrical Electronic Equipment WEEE Any WEEE marked products must not be mixed with general household waste but kept separate for the treatment recovery and recycling of the materials used Contact your local authority for details of recycling schemes in your area Made in China PR2 9PP Man Rev 1 0 ...

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