Leuze electronic MLC 520 EX Series - Page 35

Electrical connection
Leuze electronic MLC 520 EX 35
Table 7.2: Pin assignment receiver
The polarity of the supply voltage selects the transmission channel of the receiver:
• VIN1 = +24 V, VIN2 = 0 V: transmission channel C1
• VIN1 = 0 V, VIN2 = +24 V: transmission channel C2
Pin Core color (CB-M12-xx000E-5GF) Receiver
1 White IO1 - control input reset button, signal output
Start/restart normal open contact against
ground 24 V DC weak signal/fault:
24 V DC strong light reception
0 V weak light reception or fault
2 Brown VIN1 - supply voltage
24 V DC for transmission channel C1
0 V for transmission channel C2
3 Green IN3 - control-input contactor monitoring (EDM)
24 V DC: without EDM
0 V: with EDM and feedback circuit closed
High-impedance: with EDM and feedback cir-
cuit open
4 Yellow IN4 - control input for start/restart interlock
(RES)
24 V DC: with RES
Bridge to pin 1: without RES (notice: signal out-
put remains functional)
5 Gray OSSD1 - safety-related switching output
6 Pink OSSD2 - safety-related switching output
7 Blue VIN2 - supply voltage
0 V: for transmission channel C1
24 V DC for transmission channel C2
8 Red FE - functional earth, shield
Wired in device interior on the housing
FE FE - functional earth, shield