Appendix 5 Connecting For Rs485 Communication - Toshiba Tosvert RS485 Instruction Manual

Appendix 5 Connecting for RS485 communication

Connector diagram for 2-wire RS485 communication
Connecting diagram for 2-wire RS485 communication
* Never use pin-7 (P11).
Master
CN1
Pin-4 RXD+/TXD+
Pin-5 RXD-/TXD-
Pin-8 SG
(Pin-3)
Pin-8
Signal name Pin number
RXD+/TXD+ 4
RXD-/TXD- 5
FWE 6
SG 8
(3)
PRG(TX) 2
PRG(RX) 1
P11 7
Straight
Slave
RXD+/TXD+
RXD-/TXD-
SG
Pin-1
Description
Same phase reception data (positive line)
Anti-phase reception data (negative line)
FEW (Do not connect the cable.)
Ground line of signal data
PRG (Do not connect the cable.)
PRG (Do not connect the cable.)
11V (Do not connect the cable.)
Straight
Slave
RXD+/TXD+
RXD-/TXD-
SG
71
E6581315
Straight
Slave
RXD+/TXD+
RXD-/TXD-
SG
Terminating resistance
120Ω-1/2W