Module Data Quality Reporting - Allen-Bradley Compact 5000 Series User Manual

Module Data
Quality Reporting
Standard Modules
DC INPUT DC INPUT DC OUTPUT ANALOG INPUT
5069-IB16 5069-IB16 5069-IY4
5069-OB16
DC INPUT DC INPUT DC OUTPUT
5069-IB16 5069-IB16 5069-OB16
UPS
R R
OK FAN 1
B B
RUN SD
F
FORCE FAN 2 F
MP
NET B1
LINK B1
NET A1
LINK A1
SA
NET A2 SPEED X1
LINK A2 LINK X1
CompactLogix 5480 ™
Safety Modules
OUTPUT
SIL2 CPU
5069-IB8S 5069-IB8S
5069-L3100ERMS2 5069-OBV8S
Compact GuardLogix
The Compact 5000 I/O digital modules indicate the quality of channel data
that is returned to the owner-controller. Data quality represents accuracy.
Levels of data quality are reported via module input tags.
The following input tags indicate the level of data quality.
ANALOG OUTPUT
5069-OF8
IMPORTANT Once the condition that causes the Fault or Uncertain tag to change to 1 is
ANALOG INPUT ANALOG OUTPUT
5069-IY4 5069-OF8
• I.Ptxx.Fault - This tag indicates that the reported channel data is
inaccurate and cannot be trusted for use in your application. Do not use
the reported channel data for control.
If the tag is set to 1, you cannot trust the data reported. You must
troubleshoot the module to correct the cause of the inaccuracy.
Example causes of inaccurate data include:
– Field Power Loss condition (output modules)
OUTPUT
5069-OBV8S
– No Load condition (standard output modules only)
– Short Circuit condition (output modules)
We recommend that you troubleshoot the module for the typical causes
first.
• I.Ptxx.Uncertain - This tag indicates that the reported channel data can
be inaccurate but the degree of inaccuracy is unknown. We recommend
that you do not use the reported channel data for control.
If the module sets this tag to 1, you know that the data can be inaccurate.
You must troubleshoot the module to discover what degree of
inaccuracy exists.
Example causes of uncertain data include:
– Module is operating outside its designed operating range
– Data is under manual or override control
We strongly recommend that you monitor the tags in your program to
make sure that the application is operating as expected with accurate
channel input data.
Rockwell Automation Publication 5069-UM004A-EN-P - April 2019
Features Common to Compact 5000 I/O Digital Modules
removed, the tag automatically resets to 0. The Logix Designer application
controls the tags. You cannot change the status of the tags.
Keep in mind that in some system configurations, the tag is not reset
immediately after the condition is removed. The tag typically resets after a
small delay.
Chapter 2
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