Rockwell Automation Logix5000 Logix5000 Controllers Quick Start - Manual (Page 132)

132 Publication 1756-QS001E-EN-P - October 2009
Chapter 7 Troubleshoot the Controller
A force overrides a value from an input device or logic.
• Forcing an input tag overrides the value from the input device.
• Forcing an output tag overrides your logic and sends the force value to the output device.
When forces are in effect (enabled), a appears next to the forced element.
The force indicator on the front of the controller and in the programming software indicates status.
If you want to Then
Override a value Install an I/O force (force an I/O value)
Stop an individual force but leave other forces enabled and in effect Remove an individual force
Stop all I/O forces but leave the I/O forces in the project Disable all I/O forces
If the indicator is Then
Off
• No tags contain I/O force values.
• I/O forces are inactive (disabled).
Flashing amber
• One or more tags contain a force value.
• I/O forces are inactive (disabled).
• When you enable I/O forces, all existing I/O forces take effect.
Solid amber
• I/O forces are active (enabled).
• Force values may or may not exist.
• When you install (add) a force, it immediately takes effect.
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