Modbus MS Card
– User Manual
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The settings of the RS485 link are made through the SA1 switches:
SA1 description:
1
: reserved
2
: reserved
3
: link termination between T- to R- (2 wires configuration) if set to ON
4
: connection T- to R- (2 wires configuration) if set to ON
5
: connection T+ to R+ (2 wires configuration) if set to ON
6
: reserved
7
: reserved
8
: link termination between R+ and R- if set to ON