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ProSoft Technology MVI56E-MNETCR User Manual

Page 111

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MVI56E-MNETCR ♦ ControlLogix Platform

Reference

Modbus TCP/IP Multi Client Enhanced Communications Module for Remote Chassis

User Manual

ProSoft Technology, Inc.

Page 111 of 159

June 14, 2011

5.3

Data Flow between MVI56E-MNETCR Module, Processor, and
Network

The following topics describe the flow of data between the two pieces of
hardware (processor and MVI56E-MNETCR module) and other nodes on the
Modbus TCP/IP network. The module contains up to 30 clients, which can
generate either MBAP (Modbus API for network communications) or MNET
requests dependent on the service port selected in the command.

The following topics discuss the operation of the client drivers.