JUMO 202550 Operating Instructions Manual page 23

Inputs/outputs
Serial interface RS422
(option)
Serial interface RS485
(option)
Serial interface
Profibus-DP
(option)
Logic input 1
Logic input 2
Supply voltage
see nameplate
Terminal assignments
RxD 5 RxD +
4 RxD –
TxD 2 TxD +
1 TxD –
GND 3 GND
+ 2 TxD/RxD +
- 1 TxD/RxD –
GND 3 GND
VP 4 supply voltage plus, (P5V)
RxD/TxD-P 1 receive/transmit data positive,
B conductor
RxD/TxD-N 2 receive/transmit data negative,
A conductor
DGND 3 ground for data transmission
13
19
12
19
AC/ AC:
DC L1 phase
N neutral
TE technical
earth
7 Installation
Symbol
Receive data
Transmit data
DC:
L +
L –
5 4 2 1 3
2 1 3
2 1 3 4
13 19
12 19
L1 N
TE
L+ L-
21