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Chapter 3
I/O Channel Features
No Load Diagnostics
26
Figure 2 - Short Circuit Protection for Output Channels
Ports
0, 1, 4, 5
2, 3, 6, 7
When a short circuit condition is detected, the following occurs:
•
The channel limits the output current and monitors for the short circuit condition to be
removed.
•
The I/O status indicator for the channel flashes red.
•
The I.IOLinkxx.Fault or I.Ptxx.Fault tag is set to 1.
Check the channel diagnostic or retrieve the information from the diagnostic assembly
to verify that the short circuit condition is present.
When the short circuit condition is removed, the following occurs:
•
The channel restarts in its commanded state.
•
The I/O status indicator for the channel turns back to steady yellow.
•
The I.IOLinkxx.Fault or I.Ptxx.Fault tag is reset to 0.
Check the channel diagnostic or retrieve the information from the diagnostic assembly
to verify that the short circuit condition is removed.
To check the channel diagnostics, see
For more information on how to retrieve diagnostic assemblies, see
Assembly on page
109.
For more information on using module tags, see
Definitions on page
97.
Group Short Circuit
When one of the Group Short Circuit channels experiences a short circuit condition, the other
three channels experience a momentary fault and the fault bit automatically clears.
No Load Diagnostics detects when a signal wire is disconnected from an output channel. When
the I.Ptxxx.Fault tag is set to 1, check the channel diagnostic or retrieve the information from
the diagnostic assembly to verify that the No Load condition is present.
You can only configure channels 1, 3, 9, and 11 as "Digital Output, Short Circuit, No Load
Diagnostics".
To enable No Load Diagnostics, see
For more information on how to retrieve diagnostic assemblies, see
Assembly on page
109.
For more information on using module tags, see
Definitions on page
97.
Rockwell Automation Publication 5032-UM001A-EN-P - April 2023
Short Circuit Conditions
with Protection
SA Power Short Circuit
Odd Channel Output Short Circuit
Even Channel Output Short Circuit
SA Power Short Circuit
Odd Channel Output Short Circuit/
LA Power Short Circuit
Even Channel Output Short Circuit
Channels View on page
49.
IO-Link Master Module and IO-Link Device Tag
XX - Digital Output on page
52.
IO-Link Master Module and IO-Link Device Tag
Description
Short between pins 1 and 3
Short between pins 2 and 3
Short between pins 4 and 3
Short between pins 1 and 3
Short between pins 2 and 5
Group Short Circuit
For more information, see
Group Short Circuit on page
26.
Short between pins 4 and 3
Module Diagnostic
Module Diagnostic
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Table of Contents
Troubleshooting
