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6 Electrical connection
Operation of JUMO digiLine CR in the device version with RS485 interface on the JUMO mTRON T
The graphic shows the connection of 1 sensor with JUMO digiLine pH/ORP/T with five-pole M12-plug
connection and 1 conductivity sensor with JUMO digiLine CR in the device version with RS485 interface
on a JUMO mTRON T as Modbus master. Up to 31 digital sensors per RS485 interface can be integrat-
ed. Optionally, a JUMO mTRON T central processing unit can be equipped with up to 2 RS485 interfaces
(see order data for JUMO mTRON T).
(1)
Supply unit
DC 5,3 V
(1) Stabilized power supply unit with DC 5.3 V output for feeding sensors with JUMO digiLine pH/ORP/
T five-pole (current limiting via 3 A fuse required)
(2) Stabilized power supply unit with DC 24 V output for feeding sensors with JUMO digiLine CR and
JUMO mTRON T (current limiting via 3 A fuse required)
(3) JUMO mTRON T central processing unit with activated PLC function and RS422/485 Modbus RTU
(see order data for JUMO mTRON T)
(4) JUMO M12 connecting cable, 5-pole and A-coded
(5) JUMO M12 terminating connector, 5-pole for bus termination
(6) JUMO sensors with JUMO digiLine pH/ORP/T five-pole
(7) JUMO Y-splitter, 5-pole with 2× M12 cable sockets and 1× M12 connector, each of which is A-coded
(8) JUMO digiLine CR in device version with RS485 interface
(9) Conductivity sensor
(10)JUMO digiLine master connecting cable with open wire ends at one end for connection to devices
with screw or spring-cage terminals (see Accessories); for connection to the Modbus system, refer
to the wiring diagram in the following.
38
(2)
(3)
Supply unit
DC 24 V
(10)
(8)
(9)
(4)
(5)
(7)
(6)
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