21
FR · ERC 21X user manual · DKRCC.ES.RL0.H3.02/520H9656 · ©Danfoss
Menu code Parameter description
P--
Polarity
P73
DI1 input polarity
no (normally open)=associated functionality is activated when “DI1” port is short circuit.
The associated function is deactivated when “DI1” port is open circuit.
nc (normally closed)=associated functionality is activated when “DI1” port is open circuit and deactivated
when “DI1” port is short circuit.
P74
DI2 input polarity
no (normally open)=associated functionality is activated when “DI2” port is short circuit.
The associated function is deactivated when “DI2” port is open circuit.
nc (normally closed)=associated functionality is activated when “DI2” port is open circuit and deactivated
when “DI2” port is short circuit.
P75
Invert alarm relay
Alarm relay operation can be inverted here
0=normal
1=invert relay action
P76
Key board lock enable
YES=enable keyboard lock functionality after 5 minutes of no activity on the keypad.
