G&D U2+R, Установка и эксплуатация, Страница: 51 / 56

Configuration of the serial interface
Target and user modules of the U2+R series · 21
English
Pin assignment with RS422 mode
The table shows how the different lines of the data connection are assigned to the
according pins:
Pin no. Signal master Signal slave
1 GND GND
2 Rx A Tx A
3 Tx B Rx B
4 GND GDN
5
not occupied not occupied
6 GND GND
7 Rx B Tx B
8 Tx A Rx A
9 GND GND