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32 Appendix G: ModBus Protocol For
The FMC2000
32.1 Overview
This document describes the ModBus protocol for the
FMC2000 MeshGuard controller. It covers third-party
MeshGuard integration through the FMC2000 ModBus.
32.2 Communications Settings
Communication mode:
There are two modes can be selected on FMC2000 Modbus
menu:
• Modbus RTU/ASCII on RS485
• Modbus RTU over TCP/IP
Mode 1: Communication Parameters for RS485 Interface
FMC2000:
Baud Rate:
Client ID:
Data Format:
Data bits: 8
Check bits: none
Stop bits: 1
Mode 2: Modbus RTU over TCP/IP
FMC2000 supports Modbus RTU over TCP on its Ethernet
port. It is not the standard Modbus TCP.
The FMC2000 controller is a client to connect to a server (the
default listening port is 9724, configurable).
Once connected, the server needs to send the request
command(s) to FMC2000 controller to get the monitor
FMC2000 User's Guide
Slave
4800, 9600, 19200 (default)
1~246 (0x01~0xF6)
101
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