6 Electrical connection
ATTENTION
The unit must be connected by a qualified electrician.
Device of protection class III (PC III)
The electric supply must only be made via PELV/SELV circuits.
► Disconnect power before connecting the unit.
6.1 Wiring
The device has a 5-pole round M12 connector (A-coded). The pin connection
corresponds to CiA DR-303-1.
2
1
5
3
4
M12 connector CAN
A selection of sockets is available on our website at www.ifm.com.
6.2 CAN bus interface
The device has a CAN interface.
Use cables that are approved for CAN bus. Terminate the cables using
terminating resistors (120 Ω). Use ifm's EVC492 cable with integrated
terminating resistor as an alternative.
6.3 cULus
For units with cULus approval and the scope of validity cULus:
► Supply the device from an isolating transformer having a secondary UL-listed
fuse rated
a) 5 A at voltages of 0...20 V rms (0...28.3 V p )
b) 100/V p at voltages of 20...30 V rms (28.3...42.4 V p )
1: CAN shield
2: + UB
3: CAN _GND
4: CAN_H
5: CAN_L
Not connected
Supply voltage
GND
H bus cable
L bus cable
UK
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