Rockwell-automation 2711 MODBUS COMMUNICATIONS FOR PANELVIEW TERMINALS Uživatelský manuál stáhnout pdf (Strana 5)

Publication 2711-6.9

Modbus Communications for PanelView Terminals 5

Connection to a Modbus

Plus Network

Using a Bridge Multiplexer (BM85) or an RF modem, the Modbus

PanelView can be connected to a Modbus Plus network.

Modbus Plus is a local area network supporting up to 64 nodes at a

data transfer rate of 1,000,000 bits/second. Modbus Plus provides host

level peer-to-peer communication for network devices. The network

also provides distributed input/output (DIO) communications.

The BM85 Bridge Multiplexer provides connection to a Modbus Plus

network through the PanelView Modbus RS-232 serial port.

Modbus +

PanelView

RS-232

Port

Cable - PanelView to BM85

Bridge Multiplexer

B M

Modem

Modbus

PanelView

BM85

RS-232

Port

Modbus

PanelView

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Rockwell-automation 2711 MODBUS COMMUNICATIONS FOR PANELVIEW TERMINALS Uživatelský manuál Strana 5