Installation Instructions

10
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
► Connect the device to the evaluation unit DTE10x using the M12 connection�
Voltage is supplied via the evaluation unit�
4
1
3
L
+
1
3
4
L
DATA
A selection of sockets is available on our website at:
www�ifm�com
Cables with the following characteristics are suitable for the connection:
Length Ohmic resistance (feed + return line) Effective cable capacity
< 20 m max. 3Ω max� 3 nF
6.2 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 )