Pilz PNOZ s7.2 C 24VDC 4 n/o 1 n/c expand - Manual (Page 7)

PNOZ s7.2
Operating Manual PNOZ s7.2
21866-EN-08
7
Preparing for operation
} Supply voltage/input circuit/feedback loop
Supply voltage/input circuit/
feedback loop
AC DC
Contact expansion module
PNOZ s7.2
Interface
PNOZsigma
PNOZs
expansion
module
PNOZs
expansion
module
Operation
LEDs indicate the status and errors during operation:
LED on
Status indicators
In1
Channel 1 actuated.
In2
Channel 2 actuated.
In1, In2, Out
Safety contacts are closed.
Faults - malfunctions
} Contact malfunctions: If the contacts have welded, reactivation will not be possible after
the input circuit has opened.