Mounting and cabling
EP31xx50 Version: 2.4
3.10.2 M12 analog current inputs, one single-ended input per socket
Analog input, 0 to 20mA, or 4 to 20mA
Fig.34: M12 analog current inputs, one single-ended input per socket
GND connections
If several sensors are connected to a box whose GND connections are not electrically isolated,
GND must be connected to GNDp.
3.10.3 Status LEDs at the M12 connections
Fig.35: Status LEDs at the M12 connections
Connection LED Display Meaning
M12 socket no. 1-4 R
left
off No data transfer to the A/D converter
green Data transfer to A/D converter
E
right
off Function OK
red Error: Broken wire or measured value outside the measuring
range
Correct function is indicated if the green RUN LED is on and the red Error LED is off.
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