Prosoft-technology MVI56E-SIE Bedienungsanleitung PDF herunterladen (Seite 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.

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Prosoft-technology MVI56E-SIE Bedienungsanleitung Seite 108