Leuze electronic VARIO B, Manual, Page: 16 / 24

Mounting and commissioning
14 VARIO B Leuze electronic
4.1 Electrical connection
1. Bars must only be connected while there is no voltage in the system.
2. Avoid ground loops; all bars must have the same grounding potential.
3. A potential difference of 60V between the bar housing and the supply voltage must
not be exceeded.
4. Insulate unused wires.
4.1.1 M8 plug version
Figure 4.2: Pin assignment of the M8 connector of the VARIO B light curtain
4.1.2 Cable version
Round cable, length 4m, Ø 4.9mm
Figure 4.3: Pin assignments of the cable of the VARIO B light curtain
1
2
3
4
1
2
3
4
+24VDC
Warn/cal
GND
Signal
M8 receiver M8 transmitter
brown
yellow/white
blue
black
+24VDC
NC
GND
Config
brown
white
blue
black
brown = +24VDC
blue = 0VDC
black = signal
yellow = warn/cal
brown = +24VDC
blue = 0VDC
green = config
Receiver cable Transmitter cable