
PNOZ po3.2p
Operating Manual PNOZ po3.2p
20677-EN-06
10
Preparing for operation
The expansion module is ready for operation when it is connected to a base unit via the
PNOZpower bus.
If the contactors are to be controlled directly, we recommend the following wiring:
Feedback loop
Contacts from external contactors
K5
N
L1
K6
13 (23 ...)
14 (24 ...)
Y1
K5
K6
Y2
Base unit
Expansion module
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.
Status indicators
LEDs indicate the status and errors during operation:
LED on
POWER
Supply voltage is present.
CH.1
Safety contacts of channel 1 are closed.
CH.2
Safety contacts of channel 2 are closed.
FAULT
Contact malfunction