Control functions
2.7.2 On/Off delay
When the DI1 is configured as presence sensor, there is an On/Off delay that may be configured. The On
delay makes the presence detection wait for the configured amount of time before presence is determined.
The Off delay makes the presence detection stick for the configured amount of time before returning to no
presence.
The default values are 0 which means that the presence is on or off instantly.
2.7.3 Presence settings
Parameter Description
12 Sensor/detector connected to DI
0 = No sensor connected
1-2 = Not used
3 = Presence detection (activate Occupied state)
4 = Change-over sensor
13 Switch on delay for DI, in minutes
14 Switch off delay for DI, in minutes
15 DI1 Normally closed (NC) / Normally open (NO)
0 = NO
1 = NC
Modbus register Modbus address Description
Discrete input register 3 Presence detected
0 = No presence detector is configured
1 = Presence detector is configure on DI
Holdig register 15 Switch on delay for DI, in minutes
Holding register 16 Switch off delay for DI, in minutes
Holding register 48 Sensor/detector connected to DI1
0 = No sensor connected
1-2 = Not used
3 = Presence detector
4 = Change-over sensor
Coils register 10 DI1 Normally closed (NC) / Normally open (NO)
RCFD-230C manual, Rev. A 15
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