User Manual

SAFETY
Safety handbook page - 15 -
PNSPO
4.3.4 PLC integrated E-Stop with two-channel input, category 4,
For compact system there is a possibility to have the safety circuit integrated in the
PLC. The safety circuit itself is realized in hardwired technology.
The benefit is that the PLC is able to monitor the status of all safety related signals and
outputs directly without any additional effort. The module is able to ensure safety in
systems up to category 4 ( EN954-1).
The integrated safety function can be realised in combination the OMRON CQM1
medium level PLC and the high performance PLC system CS1.
- 2-channel configuration S1: E-Stop pushbutton A22E
- Short circuit detection S2: Reset Button
- category 4 MK1/KM2: Contactor
- manual reset