Powerwalker Modbus Card 2 Manual do Utilizador descarregar pdf (Página 3)

Modbus Card Quick Guide V.2.5

4.3 RS-485 Resistance Configuration

4.4 Interface Configuration

RS-485 Pin Configuration

Function

RS-485 - B

RS-485 - A

GND

4.5 Connection

First, please use one RS485 to RS 232 converter or RS-485 to Modbus/TCP converter as media

converter between Modbus card and computer. Please follow below chart for wiring connection

between RJ45 and media converter:

Wiring connection between RJ45 and media converter

Function

Bit #

Setting

Meaning

Push up

resistance

# 6

Enable (Default)

OFF

Disable

Push down

resistance

# 7

Enable (Default)

OFF

Disable

Terminate

resistance

# 8

Enable (Default)

OFF

Disable

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Powerwalker Modbus Card 2 Manual do Utilizador Página 3