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7.2
Power supply
7.2.1
Internal power supply
Configuration A
1070 080 067-101 (2001.03) GB
PSI 6XXX.350 L1
The power supply to PSI 6XXX.350 L1 is completely provided by the power unit (internal
supply).
PSI 6XXX.350 L1 is internally supplied with 24 V DC (derived from the mains voltage).
Several jumpers have to be positioned to enable the internal power supply.
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When the welding network is switched off, the 24 V DC supply is interrupted:
-
no communication via I/O interfaces possible
-
no communication between the timer and the programming terminal, e.g.
programming and visualization.
-
Preferably used with stand-alone systems, e.g. suspended welding stations.
-
The Stop function is ensured by means of a floating contact which is to be con-
nected to terminals X4/3 and X4/4.
Electrical connection
7-7
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