Lenz Digital Plus LW150 - Page 38

38 Information LW150
Connect the keys / toggle switches for points 1 to 16 to wires 1 to 16.
A key for enabling the "NOTAUS" (emergency shutdown) function as
well as a key for disabling the "NOTAUS" function can be connected
to wire 17. Connecting these keys is optional. You must not use
switches for this function!