Since the AGITATE_TIME parameter is set to only 30 seconds, you may want to increase this a little to allow yourself more time to trip the failure condition before the phase goes to complete.
In Control Studio, open the UM_BLEND_500 unit module.
On the Home tab, in the Diagram Mode group, click On-line.
Drill down into the AGITATE → FAIL_MONITOR block.
Open the Batch picture in DeltaV Operate.
Load and start the AGITATE phase for the unit module UM_BLEND_500.
Trip a failure condition by opening XV_BASE_500 (in the Process picture). (XV_BASE_500 must be in Auto mode.)
In Control Studio, verify that the FAIL_INDEX parameter is set and that AGITATE goes to Held. (XV_BASE_500 closes as part of the Hold logic FAIL_SAFE instructions.)
Clear the failure by clicking the Clear Failures button on the command list.
Send a Restart command.
Verify that the AGITATE phase transitions from the Restarting state to the Running state.
When the AGITATE phase goes to Complete, send a Reset command.
You can verify other failure conditions using the same general procedure. When you are finished, reset the phase to Idle.