JUMO 709051, Operating Manual, Page: 32 / 92

3 Electrical connection
32 V1.00/EN/00741192/2021-03-30 [IPC 300]
3.3.3 Digital output
3.3.4 Interfaces (option)
Connection for Screw terminal X3
(pluggable)
Connection
Relay or optocoupler 13 N/O contact or collector
14 N/C contact
15 pole or emitter
&
4
$
¾
1
3FMBZPS
0QUPDPVQMFS
PVUQVU
*1$
Modbus connection RS422 RS485 Connection PROFINET
Pluggable screw ter-
minals
TxD (-) RxD/TxD B(-) 1 TX+ Transmission data +
TxD (+) RxD/TxD A(+) 2 TX- Transmission data -
RxD (-) - 3 RX+ Received data +
RxD (+) - 6 RX- Received data -
The shield of the Modbus lines must be routed
to ground potential (PE)!
2 RJ-45 sockets (on the front)
8
1