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6 Electrical connection
6.2
Connection diagram
General information
The line connections of JUMO sensors with JUMO digiLine electronics are, with few exceptions, made
using preassembled bus connecting cables. The union nuts on the cable connecting sockets are tight-
ened to a maximum torque of 0.5 Nm. The pin assignment shown here is intended primarily to provide
an overview and serve as an aid when troubleshooting.
Wiring work is required when connecting to the serial interface of a JUMO AQUIS touch S/P or JUMO
mTRON T with the JUMO M12-digiLine master connecting cable
chapter 4.2 "Accessories", page 26
five-pole M12 plug connector for RS485 (JUMO digiLine or Modbus RTU)
Pin
Potential
1
+5 V
2
+ 24 V
3
GND
4
RS 485 B (RxD/TxD-)
5
RS 485 A (RxD/TxD+)
The connection to the serial interface of a master with screw or spring-cage terminals is made
with the aid of the JUMO digiLine device connection cable (see Accessories)
34
Symbol
Plug connection
4
3
5
2
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