Halton Max Ultra Circular (MUC) - Installation, commissioning and maintenance guide 29(31)
Version 1.0
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6.3
Modbus RTU variables
3xxxx, Input register
Register Name
Description
Value
30001
FWver
Firmware version
0 .. 65535 → 0 .. 65535
ver
30002
CWorkingHoursHi
Counter of controller working hours,
high word
0 .. 65535 → 0 .. 65535 h
30003
CWorkingHoursLo
Counter of controller working hours,
low word
0 .. 65535 → 0 .. 65535 h
30004
AWorkingHoursHi
Counter of actuator working hours, high
word
0 .. 65535 → 0 .. 65535 h
30005
AWorkingHoursLo
Counter of actuator working hours, low
word
0 .. 65535 → 0 .. 65535 h
30006
AirSpeed
Air speed
20 .. 1500 → 0.20 .. 15.00
m/s
30007
AirFlow
Airflow
0 .. 65535 → 0 .. 65535
m
3
/h
30009
AirFlow
Airflow
0 .. 65535 → 0 .. 65535
l/s
30011
AirTemp
Temperature inside the duct
500 .. 4000 → 5.00 ..
40.00°C
30012
AuxTemp
Temperature of auxiliary sensor
0 .. 5000 → 0.00 ..
50.00°C
30013
ControlMode
Control mode feedback
0 → Modbus
1 → Console
2 → Analog
30014
DamperPosition
Damper position feedback
0 .. 10000 → 0.00 ..
100.00%
30015
DamperStatus
Status of damper
0 → Stop
1 → Closing
2 → Opening
4xxxx, Holding register
Register Name
Description
Value
40001
ControlledSignal Selection between airflow regulation or
damper manual position
0 → Air flow
1 → Damper position
40002
SelectDuctType
Select installation factor
0...51
40003
AirFlowSP
Setpoint for airflow regulation
0 .. 65535 → 0 ..
65535 m
3
/h
