NRT405F901 manual Chapter 17 Modbus signals 36
Chapter 17 Modbus signals
Discrete inputs
Name of signal Type
Modbus
address
Description
RC_Actual_L.NRTDigIn(0) L,2
1
Not used
RC_Actual_L.NRTDigIn1 L,2 2 Value on digital input 1
RC_Actual_L.NRTUDigIn1 L,2 4 Value on universal digital input 1
RC_Actual_L.NRTDigOut1 L,2
6
Value on digital output 1
RC_Actual_L.NRTDigOut2 L,2 7 Value on digital output 2
Value on digital output 3
Not used in this model L,2 9-10
Heating (Value on digital output 4)
RC_Actual_L.NRTUDigOut2 L,2
12
Cooling (Value on digital output 5)
RC_Actual_L.NRTDIOpenWindow L,2 13 Indicates open window
RC_Actual_L.NRTDIPresences L,2 15 Indicates presence from digital input
RC_Actual_L.NRTDIChangeOver
Indicates change-over from digital input
RC_Actual_L.NRTFanSpeed1 L,2
17
Indicates fan speed 1
RC_Actual_L.NRTFanSpeed2 L,2 18 Indicates fan speed 2
Not used in this model L,2 20
RC_Actual_L.NRTCVHeatPulsProp
Indicates pulse prop. heating
RC_Actual_L.NRTCVCoolPulsProp L,2
22
Indicates pulse prop. cooling
RC_Actual_L.NRTCVHeatInc L,2 23 Indicates increase heating/cooling DO4
Indicates decrease heating/cooling DO5
Not used in this model L,2 25-26
RC_Actual_L.NRTAIChangeOverState L,2 27 Indicates change-over status from
analogue input
RC_Actual_L.NRTChangeOverState L,2 28 Indicates change-over status from both
digital and analogue input
Not used in this model L,2 29-30
RC_Actual_L. NRTPresence L,2 31 Occupancy indication (with on- and
switch-off delay)