PNOZ s7
Operating Manual PNOZ s7
21399-EN-10
12
Operation
NOTICE
The safety function should be checked after initial commissioning and each
time the plant/machine is changed. The safety functions may only be
checked by qualified personnel.
LEDs indicate the status and errors during operation:
LED on
Status indicators
IN1
Channel1 actuated.
IN2
Channel2 actuated.
IN1, IN2, OUT
Safety contacts are closed.
Error indicators
FAULT
Diagnostics: Plug terminator not connected
} Remedy: Insert plug terminator, switch supply voltage off and then on
again.
Faults - malfunctions
} Contact malfunctions: If the contacts have welded, reactivation will not be possible after
the input circuit has opened.