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8-3SectionConnections
118
1:N, 4-wire Connections from RS-422A/485 to RS-422A/485 Ports (1:N Mode)
Serial Communications
Board
Pin
Signal
Signal
PT
Terminal block or
D-sub connector
RS-422A
/485 In-
terface
FG
Hood
D-sub, 9-pin
connector (male)
RS-422
A/485
Inter-
face
Short bar
Signal
PT
Terminal block or
D-sub connector
FG
RS-422A
/485 In-
terface
Communications Mode: 1:N NT Link
Note Serial Communications Board settings: Terminating resistance ON, 4-wire.
1:N, 2-wire Connections from RS-422A/485 to RS-422A/485 Ports (1:N Mode)
Serial Communications
Board
Pin
Signal
Signal
PT
Terminal block
RS-422A/
485 Inter-
face
FG
Hood
D-sub, 9-pin
connector (male)
RS-422A
/485 In-
terface
Short bar
Signal
PT
Terminal block
FG
RS-422A
/485 In-
terface
Communications Mode: 1:N NT Link
Note Serial Communications Board settings: Terminating resistance ON, 2-wire.