Appendix 5 Connecting For Rs485 Communication - Toshiba TOSVERT VF-nC3 Instruction Manual

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Appendix 5 Connecting for RS485 communication

Connector diagram for 2-wire RS485 communication
Connecting diagram for 2-wire RS485 communication example
* Never use pin-7 (P8).
Master
CN1
Pin-4
RXD+/TXD+
Pin-5
RXD-/TXD-
SG
Pin-8
(Pin-3)
Pin-1
Pin-8
Signal name Pin number
RXD+/TXD+ 4
RXD-/TXD- 5
SG 8
(3)
--- 6
--- 1,2
P8 7
Straight
Slave
RXD+/TXD+
RXD-/TXD-
SG
65E
Description
Same phase reception data (positive line)
Anti-phase reception data (negative line)
Ground line of signal data
Open (Do not connect the cable.)
For factory (Do not connect the cable.)
8V (Do not connect the cable.)
Straight
Slave
RXD+/TXD+
RXD-/TXD-
SG
E6581657
Straight
Slave
120
RXD+/TXD+
RXD-/TXD-
SG
Terminating resistance
120Ω-1/2W