ProSoft Technology MVI69E-MBTCP User Manual

Reference MVI69E-MBTCP ♦ CompactLogix Platform
User Manual Modbus TCP/IP Enhanced Communication Module
Page 118 of 150 ProSoft Technology, Inc.
June 28, 2017
Example and State Diagram
Here is an example of a request to remote device to Return Query Data. This
uses a sub-function code of zero (00 00 hex in the two-byte field). The data to be
returned is sent in the two-byte data field (A5 37 hex).
Request
Response
Field Name
(Hex)
Field Name
(Hex)
Function
08
Function
08
Sub-function Hi
00
Sub-function Hi
00
Sub-function Lo
00
Sub-function Lo
00
Data Hi
A5
Data Hi
A5
Data Lo
37
Data Lo
27
The data fields in responses to other kinds of queries could contain error counts
or other data requested by the sub-function code.

ProSoft Technology MVI69E-MBTCP Specifications

General

Brand	ProSoft Technology
Model	MVI69E-MBTCP
Category	Control Unit
Language	English