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3.3.2 Connector Pin Assignment at the BlueBox T4 Basic
Power supply 24 VDC
panel plug (M12, male)
3
+24 VDC
4
GND 24 V
CAN-bus
panel socket (M12, female)
1
CAN-H
2
CAN-L
3
+24 VDC
4
GND 24 V
RS-232 or RS-485
panel plug (M8, male)
RS-232
1
GND
GND
RS-485
3
RX
RX/TX-
4
TX
RX/TX+
Current output 4 – 20 mA
panel socket (M8, female)
1
+24 VDC
2
I-Return
4
3
1
2
3
4
1
4
3
2
1
Current output 1 2