9
UK
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.
4
2
1
3
5
M12 connector CAN
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
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 )
