Configure the User Interlock to provide an additional input to the existing interlock circuit.

The User Interlock is accessible through terminal block connection TB25. Refer to ETX-1640x Terminal Block Connections for more information.

To set the User Interlock to Closed, provide +24 VDC between pins A1+ and A2- on TB25.

To track this input, ensure DIP switch 3 is Closed (in the Up position).