Chapter 4 Quick Start However, an input contact can be forced ON or OFF during a test. Users can click an input contact or output contact which will be set, right-click the contact, point to Force on the context menu, and select On (X/Y) , Off (X/Y) , Release (X/Y) , or Release All . If an input contact or output contact is forced ON or OFF, a lock symbol will appear at the left side of the contact. If an output contact in the program is forced ON or OFF, the output state of this contact will not be affected by the program execution result. *. If the online monitoring function is disabled, the contacts will not be automatically released from the locked states.
As a result, users have to check whether the contacts need to be released from the locked states after the test is complete. 4-37 Force Description On (X/Y) Forcing the input contact or output contact selected ON Off (X/Y) Forcing the input contact or output contact selected OFF Release (X/Y) Releasing the contact from the locked state Release All Releasing all the contacts from the locked states