Monnit Serial MODBUS Uživatelská příručka stáhnout pdf (Strana 3)

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1. Connecting The Serial MODBUS Gateway Hardware

1. Connect Antenna

2. Use communication select jumper to set RS-485 or RS-232C

3. Connect wires from MODBUS to SCADA / PLC / Master

SMG 5-Wire Connector

Red:

4.5 – 36 VDC

Black:

Power ground

Orange:

RS-232C: TXD gateway’s transmitter data connection.

Connect the MODBUS master’s receiver.

RS-485: D+ Non-inverting 485 transmitter/receiver.

White:

Signal ground, internally connected to power ground.

Green:

RS-232C: RXD gateway’s receiver data connection.

Connect the MODBUS master’s transmitter.

RS-485: D- Inverting 485 transmitter/receiver.

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Monnit Serial MODBUS Uživatelská příručka Strana 3