5 : 60
Service
ModBus-register W3 applies to software after 0.76
Holding
register
16 bit integer register R/W
Modbus Name Min/Max Remarks Default
4x0001 Relay in Emergency 0/1 0=Close, 1=Open, 2=No Action 1
4x0002 Application transition 1/8 Read Only: 2=Auto Economy,
3=Auto boost, 5 =Timer-function
Read/Write 1=Auto Normal, 4=Manual,
6=Stand-by, 7=Emergency, 8=Night Cool
4x0003 Room number Value can be 0-32000 0
4x0004 Valve exercise 0/72 Valve exercise 0=Not used (hours) 48
4x0005 Motion Timer 0/20 Motion timer (minutes) 20
4x0006 General warning time 0/60 Warning delay, general (minutes) 60
4x0007 PI-overload warning time 0/60 Warning delay, PI-overload (minutes) 120
4x0008 Set-point warning time 0/60 Warning delay, Set point (minutes) 60
4x0009 Not used 0/60 Warning delay, pressure sensor (minutes) 15
4x0010 Not used
4x0 011 Not used
4x0012 Not used
4x0013 Not used
4x0014 System type 1/4 1= Heat, 2= Cool, 3= Change Over,
4= Heat+Cool
4
4x0015 Number of Room units 1/2 1=One room unit, 2= Two room units 1
4x0016 Window switch 0/2 0=Not used 1=Normaly Closed 2=Normaly
Open
0
4x0017 Occupancy switch 0/2 0=Not used 1=Normaly Closed 2=Normaly
Open
1
4x0018 Actuator Type Cool 1/3 ActuatorCool 1=NC,2=0-10V,3=NO 1
4x0019 Actuator Type Heat 1/3 ActuatorHeat 1=NC,2=0-10V,3=NO 1
4x0020 Not used
4x0021 Not used
4x0022 Not used
4x0023 Frost guard temp. 5/15 10
4x0024 TC1 Normal 15/30 (degC) 23
4x0025 TH1 Normal 15/30 (degC) 21
4x0026 TC2 Economy 10/30 (degC) 25
4x0027 TH2 Economy 10/30 (degC) 19
4x0028 Night cool temp set point 10 /20 15
4x0029 Room unit's min set point 0/20 only when room unit is manual state (degC) 16
4x0030 Room unit's max set
point
25/50 only when room unit is manual state (degC) 28
4x0031 Room unit's min air flow 5/50 only when room unit is manual state (%) 10
4x0032 Room unit's max air flow 50/100 only when room unit is manual state (%) 100
4x0033 Boost temp. positive
hysteresis
1/10 Room temperature rise from defined setpoint,
Auto Boost activated
2
4x0034 Boost temp. negative
hysteresis
0/10 Room temperature fall from defined setpoint,
Auto Boost activated
1
4x0035 RU back to auto state 0 /1200 Time when room unit come back from manual
state to auto
480
4x0036 Normal flow SA 0/100 (%) 50
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