User`s guide

On-line Monitoring and Diagnostics
Forcing an Output
Release E UMC800 Control Builder User’s Guide 211
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Changing (forcing) a digital value from ON to OFF
• Select “ON” or “OFF” from the drop down list box and click “WRITE”. The selection for the parameter
selected will change to the selection entered for forcing.
If there is a problem with the forcing
• Check the Controller Diagnostic summary (Controller Diagnostics) status indications to see if there is a
problem.
Make sure the controller is in “RUN “ mode.
Displaying forced outputs
Follow the procedure shown below to display a list of forced outputs.
Select “Show Forces” from
the “Communications” menu.
A list of function blocks
with forced outputs will
appear here.
The “Blocks with Forced
Outputs” dialog box will
appear.