Description

Allen Bradley MVI56E-MCM Modbus Communication Module

Overview

Allen Bradley MVI56E-MCM is a Modbus communication module for ControlLogix system, supporting Modbus Master/Slave mode. The module supports configuration as Modbus master station (Master), can actively initiate communication requests and interact with slave station (Slave) devices. MVI56E-MCM defines the device address, function code and data storage location in the MASTERCOMMAND tag.

🚀Function & Features

MVI56E-MCM:Three-layer controller tag configuration

MODDEF tag: used to set the backplane communication parameters between the module and the ControlLogix processor, including data register addresses (ReadData and WriteData), and supports up to 10,000 data registers.

PORT1/PORT2 tag: configure the communication parameters of the serial port (such as baud rate, data bits, stop bits), and specify the port as Modbus master or slave mode.

PORT1MASTERCOMMAND/PORT2MASTERCOMMAND tag: defines the polling table (command list) of the master, including the slave device address, data type (specified by Modbus function code), data read and write operations, and the storage location of the module's internal registers.

Specifications

Model	MVI56E-MCM
Enabled	1 = Enable port, 0 = Disable port
Type	0 = Master 1 = Slave 2 = Slave with unformatted pass-through 3 = Slave with formatted pass-through (with data swapping) 4 = Slave with formatted pass-through (no data swapping)
Protocol	0 = Modbus RTU mode 1 = Modbus ASCII mode
Baud Rate	Valid values: 110, 150, 300, 600, 1200, 2400, 4800, 9600, 19200, 384 (for 38,400 baud), 576 (for 57,600 baud), 115 or 1152 (for 115,200 baud)
Parity	0 = None 1 = Odd 2 = Even
Data Bits	8 = Modbus RTU mode 7 or 8 = Modbus ASCII mode

Questions & Answers

💡 FAQ

Q: What is the brand?

A: Allen-Bradley(Rockwell)

Q: What is the type?

A: Modbus Communication Module

Q: What is the warranty?

A: 1 year

Q: Where is the shipping location?

A: Xiamen

Q: What is the payment method?

A: T/T

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The standard warranty period is 12 months, which can be extended to 3 years (agreement required).

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The official commitment is that the spare parts supply cycle after discontinuation of production is ≥10 years.

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