Standard And Diagnostic Output Module Tags - Allen-Bradley 1756-IA8D User Manual
Controllogix digital i/o modules
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Also See for 1756-IA8D:
- Installation instructions manual (16 pages) ,
- Installation instructions manual (16 pages)
Table of Contents
Appendix B
Tag Definitions
Standard and Diagnostic
Output Module Tags
Table 37 - Standard Output Module Configuration Tags
Name
Data Type
FaultMode
DINT
(1bit per point)
FaultValue
DINT
(1 bit per point)
ProgMode
DINT
(1 bit per point)
ProgValue
DINT
(1 bit per point)
ProgToFaultEn
BOOL
(1 byte per module)
186
ControlLogix standard and diagnostic digital output modules have three types of
tags:
• Configuration
module upon powerup.
—
• Input
Structure of data continually sent from the I/O module to the
controller containing the current operational status of the module.
—
• Output
Structure of data continually sent from the controller to the I/O
module that can modify the module behavior.
The table lists all possible standard or diagnostic output module tags. In each
IMPORTANT
application, the series of tags varies, depending on how the module is
configured.
Definition
Fault Mode—Used in conjunction with FaultValue to configure the state of outputs when a communication fault occurs.
See FaultValue.
0 = Use FaultValue (Off or On)
1 = Hold Last State
Fault Value—Used in conjunction with FaultMode to configure the state of outputs when a communication fault occurs.
See FaultMode.
0 = Off
1 = On
Program Mode—Used in conjunction with ProgValue to configure the state of outputs when the controller is in Program
mode. See ProgValue.
0 = Use ProgValue (Off or On)
1 = Hold Last State
Program Value—Used in conjunction with ProgMode to configure the state of outputs when the controller is in Program
mode. See ProgMode.
0 = Off
1 = On
Program to Fault Transition—Diagnostic enables the transition of outputs to FaultMode if a communication failure
occurs in Program mode. Otherwise outputs will remain in Program mode. See ProgMode, ProgValue, FaultMode,
FaultValue.
0 = Outputs stay in Program mode if a communication failure occurs.
1 = Outputs go to FaultMode if a communication failure occurs.
Rockwell Automation Publication 1756-UM058G-EN-P - November 2012
—S
tructure of data sent from the controller to the I/O
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