User manual

WI-GTWY-9-xxx Wireless Gateway V1.18

3.8 Modbus Plus Port

For WI-GTWY-9-M+1 modules only.

Connection to the Modbus Plus Network is via the 9-pin D-SUB connector located at the antenna

end of the module. Pin-outs are outlined in the table below.

See section on configuration for description of selector switches.

Modbus Plus 9-pin D-SUB Connector:

Pin Name

1 Cable Shielding

2 MBP Line B

3 MBP Line A

Housing PE

ANTENNA

CONNECTION

D9 MODBUS

PLUS

CONNECTION

SELECTOR

SWITCHES

DIAGNOSTIC

LED’s

CONFIGURATION

ENABLE