ProSoft Technology MVI56E-SIE - Manual (Page 108)

Ladder Logic MVI56E-SIE ♦ ControlLogix Platform
User Manual Client Communication Module
Page 108 of 168 ProSoft Technology, Inc.
September 6, 2012
3.4 Controller Tag Overview
Controller Tag Description
SIE.DATA SIE input and output data transferred between the processor
and the module
SIE.CONTROL Governs the data movement between the PLC rack and the
module
SIE.STATUS Status information
SIE.UTIL Block statistics and generic tags used for internal ladder
processing (DO NOT MODIFY)
The following sections describe each of these controller tag structures in more
detail.
3.4.1 SIE.DATA
The controller tags in SIE.DATA hold data to be transferred between the
processor and the MVI56E-SIE module. This read and write data is transferred
between the processor and module as "pages," or blocks, of data up to 200
words long.
The data types for the SIE.DATA.ReadData and SIE.DATA.WriteData controller
tag arrays are integer arrays containing variable numbers of elements.
Controller Tag Data Type Description
ReadData INT[x] Data read from module. Array size is equal
to the size set in the configuration.
WriteData INT[x] Data to write to module. Array size is equal
to the size set in the configuration.