ProSoft Technology MVI56E-MNET/MNETXT User Manual

Page 48

Configuring the MVI56E-MNET Module

MVI56E-MNET / MNETXT ♦ ControlLogix Platform

User Manual

Modbus TCP/IP Interface Module

Page 48 of 181

ProSoft Technology, Inc.

April 23, 2014

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

Supported in Client

Supported in Server

Read Coil Status

Read Input Status

Read Holding Registers

Read Input Registers

Set Single Coil

Single Register Write

Read Exception Status

Diagnostics

Multiple Coil Write

Multiple Register Write

Mask Write 4X

Read/Write

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.

Enable
Code

Internal
Address

Poll Interval
Time

Count Swap

Code

IP
Address

Serv
Port

Slave
Node

Function Code

Device Modbus
Address

Code

1/10th
Seconds

Bit
Count

IP
Address

Port #

Address Read Coil (0x)

Code

1/10th
Seconds

Bit
Count

IP
Address

Port #

Address Read Input (1x)

Code

Seconds

Word
Count

Code IP

Address

Port #

Address Read Holding

Registers (4x)

Code

Seconds

Word
Count

IP
Address

Port #

Address Read Input Registers

(3x)

Code

1 bit

1/10th
Seconds

Bit
Count

IP
Address

Port #

Address Force (Write) Single

Coil (0x)

Code

1 bit

1/10th
Seconds

Word
Count

IP
Address

Port #

Address Preset (Write) Single

Code

1/10th
Seconds

Bit
Count

IP
Address

Port #

Address Force (Write) Multiple

Coil (0x)

Code

Seconds

Word
Count

IP
Address

Port #

Address Preset (Write)

Multiple Register (4x)