Prosoft-technology MVI69E-MBTCP Instrukcja Użytkownika Pobierz pdf (Strona 110)

Reference MVI69E-MBTCP ♦ CompactLogix Platform

User Manual Modbus TCP/IP Enhanced Communication Module

Page 110 of 150 ProSoft Technology, Inc.

May 20, 2015

7.2.2 Modbus Server

The MVI69E-MBTCP Modbus Server driver permits a remote client to interact

with all data contained in the module. This data can be derived from other

Modbus server devices on the network, through a client port, or from the

CompactLogix processor.

Service Port

MBAP messaging on Service Port 502

Encapsulated messaging on Service Port 2000

Status Data

Error codes, counters and port status available

7.2.3 Function Codes 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 Function Codes supported by the

MVI69E-MBTCP module.

Function Code

Definition

Supported as Client

Supported as Server

Read Coil Status 0x

Read Input Status 1x

Read Holding Registers 4x

Read Input Registers 3x

Set Single Coil 0x

Single Register Write 4x

Diagnostics

Multiple Coil Write 0x

Multiple Register Write 4x

Report Server ID

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 server

device.

1 2 ... 105 106 107 108 109 110 111 112 113 114 115 ... 149 150

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Prosoft-technology MVI69E-MBTCP Instrukcja Użytkownika Strona 110