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ProSoft Technology MVI56E-MNETCR User Manual

Page 55

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MVI56E-MNETCR ♦ ControlLogix Platform

Configuring the MVI56E-MNETCR Module

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

User Manual

ProSoft Technology, Inc.

Page 55 of 159

June 14, 2011

Commands Supported by the Module
The format of each command in the list depends on the Modbus Function Code
being executed.
The following table lists the functions supported by the module.

Function Code

Definition

1

Read Coil Status

2

Read Input Status

3

Read Holding Registers

4

Read Input Registers

5

Force (Write) Single Coil

6

Preset (Write) Single Register

15

Force (Write) Multiple Coils

16

Preset (Write) Multiple Registers


Each command list record has the same general format. The first part of the
record contains the information relating to the communication module and the
second part contains information required to interface to the Modbus TCP/IP
server device.

Command Entry Formats
The following table shows the structure of the configuration data necessary for
each of the supported commands.

1

2

3

4

5

6

7

8

9

10

Enable
Code

Internal
Address

Poll Interval
Time

Count

Swap
Code

IP Address Serv

Port

Slave
Node

Function Code

Device Modbus
Address

Code

Register
(bit)

1/10th Seconds Bit

Count

0

IP Address Port # Address Read Coil (0x)

Register

Code

Register
(bit)

1/10th Seconds Bit

Count

0

IP Address Port # Address Read Input (1x)

Register

Code

Register 1/10th Seconds Word

Count

Code IP Address Port # Address Read Holding

Registers (4x)

Register

Code

Register 1/10th Seconds Word

Count

0

IP Address Port # Address Read Input Registers

(3x)

Register

Code

1 bit

1/10th Seconds Bit

Count

0

IP Address Port # Address Force (Write) Single

Coil (0x)

Register

Code

1 bit

1/10th Seconds Word

Count

0

IP Address Port # Address Preset (Write) Single

Register (4x)

Register

Code

Register
(bit)

1/10th Seconds Bit

Count

0

IP Address Port # Address Force (Write)

Multiple Coil (0x)

Register

Code

Register 1/10th Seconds Word

Count

0

IP Address Port # Address Preset (Write)

Multiple Register (4x)

Register


The first part of the record is the module information, which relates to the MVI56E
module and the second part contains information required to interface to the
server device.