referred to as a remote system lockout, utilizing “fail when open” logic. If the Remote
Interlock contacts are open and the TEST button is pushed, a pop-up message will be
displayed on the screen for two seconds. The message will appear as follows:
If the Remote Interlock contacts are opened during a test, the pop-up message will be
displayed and the test will abort. The hardware has been configured to provide the
interlock connections on pins 4 and 5 of the Remote Interface, Signal Input port. The
instrument can still be used without the external interlock device as long as the
Interlock Disable Key (p/n 38075 provided with unit) is plugged into the Remote
Interface, Signal Input port. If there is nothing connected to the Remote Interface,
Signal Input port to provide a connection to the Remote Interlock, the instrument will
not perform tests.
Remote Interlock Key