AH Motion Controller – Operation Manual not be valid, and the Valid output will be set to False. The Valid output in a motion control function block will not be 7.7.2 Timing Diagram for Input/Outputs True until the error occurring in the motion control function block is eliminated, and output data/states become valid. Situation 1: The execution of the motion control function block is interrupted. Situation 2: An error occurs in the motion control function block. Situation 3: The execution of the motion control function block is complete normally. Situation 2: An error occurs in the motion control function block. Situation 1: The motion control function block is executed normally. _7 7-20