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ProfiTech M
OPERATING MANUAL
VERSION 07/2014 ORDER NUMBER DOC 2335144
7.6.2 TERMINAL DESCRIPTIONS
Signals for security technology:
To obtain/achieve/reach SIL2, both channels 1 and 2 must always be connected.
All signals which are highlighted in grey are security-related.
X10 terminal block for light barriers
Function Signal Terminal strip Clamps Contact /Signal type
Operating voltage for light barrier +24 VDC X10 1 +24 VDC fuse FS 1
Light barrier signal Digital IN X10 2 Digital input 24 VDC
GND for inputs GND X10 3 GND
X12 terminal block for external EMERGENCY STOP button
Function Signal Terminal strip Clamps Contact /Signal type
EMERGENCY STOP, external Channel 1 X12 1 and 2 Potential-free NCC
EMERGENCY STOP, external Channel 2 X12 3 and 4 Potential-free NCC
X13 terminal block for conveyor technology and system OK
Function Signal Terminal strip Clamps Contact /Signal type
Safety switching device, external Channel 1 ON X13 1 and 2 Potential-free NOC
Safety switching device, external Channel 2 ON X13 3 and 4 Potential-free NOC
Safety switching device, external Channel 1 OFF X13 5 and 6 Potential-free NOC
Safety switching device, external Channel 2 OFF X13 7 and 8 Potential-free NOC
System I/O * Contact X13 9 and 10 Potential-free NOC
Conveyor operating Digital IN X13 11 Digital input 24 VDC
Auxiliary voltage for input +24 VDC X13 12 +24 VDC from FS1
* Relay output: System OK
Switching status (contact closed):
If all these conditions are satis ed:
- Controller runs (is powered and is started up)
- Emergency stop circuit started
- The MCM does not have a "System stop" error
Idle status (contact open):
- As soon as one of the above conditions is not satis ed
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