Rockwell Automation Publication 5000-UM005B-EN-P - November 2015 31
Common Analog I/O Module Features Chapter 2
Producer-Consumer
Communication
5069 Compact I/O analog I/O modules use the Producer-Consumer
communication model to produce data without a controller polling them first.
The modules produce the data and controllers consume it. That is, the owner-
controller and controllers with a Listen Only connection to the module can
consume it.
When an input module produces data, the controllers can consume the data
simultaneously. Simultaneous data consumption eliminates the need for one
controller to send the data to other controllers.
Status Indicators
Each 5069 Compact I/O analog I/O module has a status indicator on the front
of the module that lets you check the health and operational status of the module.
The status indicator displays vary for each module.
For more information on status indicators, see Appendix A,
Troubleshoot Your
Module on page 123.
Alarm Latching
When enabled, Alarm Latching lets you latch a module alarm in the set position
once the alarm is triggered. The alarm remains set even if the condition causing it
to occur disappears, until the alarm is unlatched.
Alarm latching is available on a per channel basis. You can latch the
following alarms:
• Input modules - Process and Rate alarms
• Output modules - Clamp and Rate alarms
For more information on latching alarms on 5069 Compact I/O analog modules,
see the module-specific chapters and Chapter 6,
Configure the Module on
page 83.
IMPORTANT
Keep in mind, only one controller can own the I/O module. The 5069
Compact I/O analog I/O modules do not support multiple owners of the same
module.
Other controllers must use a Listen Only connection to the module.
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