Atop ABLELink MB5000 Series Manual do Utilizador descarregar pdf (Página 9)

User manual Version 1.0

Modbus Gateway

Serial Port Pin Definitions

2-Port and 4-Port Pin Definitions (DB9)

RS-232 RS-422 RS-485

Pin Signal Pin Signal Pin Signal

1 DCD 1 NC 1 NC

2 RXD 2 TXDB (+)

2 NC

3 TXD 3 RXDB(+)

3 DataB (+)

4 DTR 4 NC 4 NC

5 GND 5 GND 5 GND

6 DSR 6 NC 6 NC

7 RTS 7 RXDA (-)

7 DataA (-)

8 CTS 8 TXDA (-)

8 NC

9 NC 9 NC 9 NC

1 2 3 4 5 6 7 8 9 10 11 12 13 14 ... 36 37

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