ProSoft MVI69E-MBS - MBS Controller Tag Overview

MVI69E-MBS ♦ CompactLogix Platform Using Controller Tags
Modbus Serial Enhanced Communication Module User Manual
ProSoft Technology, Inc. Page 79 of 154
June 28, 2017
Tip: If more than 600 words of Read or Write Data are needed, the MBS.DATA.ReadData and
MBS.DATA.WriteData controller tag arrays can be expanded. Simply edit the size of the ReadData
or WriteData integer array in the DATA TYPE column of the MBSDATA UDT. In the example below,
the ReadData array size has been changed to 2000. Save and download the ladder program for
this change to take effect.
5.3 MBS Controller Tag Overview
This and the following sections describe the MBS controller tags in detail.
Tag Name
Description
MBS.CONFIG
Configuration information
MBS.DATA
MBS input and output data transferred between the processor
and the module
MBS.CONTROL
Governs the data movement between the PLC rack and the
module
MBS.STATUS
Status information
MBS.UTIL
Generic tags used for internal ladder processing (DO NOT
MODIFY)