Instructions

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 Onlychangethesettingwhennoconsumersareconnected!Verifytheoperatingvoltagesoftheconsumersrst!
d) Connecting a consumer
1. Make sure the consumer is switched off.
2. Verifythatthecorrectoutputvoltagehasbeenset.
3. Connectthepluspole(+)oftheconsumertotheredterminalscrewconnector“+”(4),andtheminuspole(-)ofthe
consumer to the black terminal screw connector “-” (3).
4. 4-mm standard connectors can be used for connection but should take place via 20 A by means of screw terminals.
(thejackheadscanbescrewedontothefrontonlyfortheSPS1525/1540PFC!).
5. FortheswitchpowerunitSPS1560PFCupto5Acanbeconnectedatthefrontsafety-jackconsumer(automatic
currentlimit)andupto60Aattherearthroughhigh-currentterminaljacks.
6. The power consumption of the connected consumers is shown on the current display (8).
Make sure that the consumers are switched off when connected to the switched-mode mains power supply.
Sparksmaybegeneratedwhenaconsumerwhichhasbeenswitchedonisconnectedtothejacks.This
may damage the terminal screw connectors as well as the connected cables.
e) “SENSE” function (only SPS 1560 PFC)
The switched-mode power supply possesses an automatic voltage control for the high-current output. For this, two
separate measuring cables are connected parallel to the connecting cables. The potential drop which occurs on the
connecting cables is measured on these two measuring cables. The switched-mode power supply compensates this
potential drop automatically so that the actually set voltage is pending on the consumer.
Proceedasfollowsforconnection:
1. Alwaysconnectthesupplycablesfromthepowerunittotheconsumer.Payattentiontocorrectpolarity.
2. Presstheorange-colouredterminalontheSENSEconnectioninwardswithasmallscrewdriverandinsertthe
cablesintothegreenterminalopenings.Checkthattheyarepluggedrmly.
3. Now connect the two “SENSE” cables to the consumer observing the correct polarity. The conductor cross-section
forthe“SENSE”cablesmustbeatleast22AWG(=0.34mm
2
) .
4. Alwaysslackentheconnectioninthereverseorder(rstofallthe“SENSE”cablesandthentheconnectingcables).
Make sure that you contact the SENSE cables as close as possible to the connecting point of the consumer.
Never short the “SENSE” cables.