DL7, DL7L
31
6.2.10 2RS485
– two RS485 port input module (Modbus RTU Master)
Fig. 6.14 Wiring diagram for 2RS485 module.
Terminal No
Description
1
T1
9
A+
RS485 terminal A
2
T1
10
B-
RS485 terminal B
3
T2
11
G
Signal ground
4
T2
12
G
Signal ground
Notes:
Port 1 and port 2 are galvanically separated.
More details on wiring RS-485 are described below for