Interfaces And Connections - Pepperl+Fuchs SLCS Original Instructions Manual

Safety Light Curtain SLCS
Product Description
No.
5
6
4.3

Interfaces and connections

The electrical connections of the safety light curtain are made using M12
connectors. The transmitter has a 4-pin connector and the receiver an 8-pin
connector.
Connect the power supply and the test signal to the transmitter unit. In addition,
the mode can be selected via the A/B mode input.
Connect the fail-safe outputs (OSSD), the status/select output and the inputs for
the startup enable, relay monitor and A/B mode to the receiver unit.
The housing profile is connected internally to +24 V and 0 V with approx. 2.3
MOhm// 33 nF. Internal varistors limit any surges that occur at approx. 85 V. A
separate grounding or connection between the housing and functional ground is
not required.
Transmitter:
Figure 4.3
1 24 V DC
2 Mode A/B
3 0 V DC
4 Test
Designation LED color
Restart/status Yellow
Mode A/B Yellow
1
4
2
3
Pin assignment transmitter unit
Description
On: protection field free: system ready to start
Indicator flashing at 1 Hz: external fault
Indicator flashing at 2.5 Hz: insufficient function
reserve
Indicator flashing at 5 Hz: internal fault
Off: mode A
On: mode B
EN
EN - 9