80
Chapter 17
Modbus signals
Regio Midi manual
Signal name
Type
Modbus
address
Default
value
Scale
factor
Description
RC_Setp_R.RegioMinFlow
R, 3
86
20
-
Min flow at cool output when
control mode
Heating/Cooling with VAV-
control is selected
Min flow at Y3 output when
control mode
Heating/Cooling/VAV is
selected
RC_Setp_R.RegioMaxFlowHeat
R, 3
87
0%
-
Max flow on cool output
when control mode
Heating/Cooling with VAV-
control is selected and
heating is applied.
RC_SetP_R.RegioRoomTempHighLimi
t
R, 3
88
40°C
10
Alarm limit for high room
temperature
RC_SetP_R.RegioRoomTempLowLimit R, 3
89
15°C
10
Alarm limit for low room
temperature
RC_Setp_R.RegioVAVMaxHeatCool
R, 3
90
100 %
-
VAV-damper max limitation.
Applies to control modes 4, 5
and 8.
Not used in this model
R, 3
90-92
-
-
RC_Setp_R.RegioUo3OutputManual
R, 3
93
0%
-
Y3 Output in manual mode
RC_Setp_R.RegioHeatOutputManual
R, 3
94
0%
-
Heating output in manual
mode
RC_Setp_R.RegioCoolOutputManual
R, 3
95
0%
-
Cooling output in manual
mode
RC_Setp_R.RegioRoomTempRemote
R, 3
96
-255
10
Room temp set by remote
control if external room
sensor is configured (-255 =
disabled)
RC_Setp_R.RegioCO2_0V
R, 3
120
0ppm
-
CO
2
-level at 0 V
(RC-C3DOC,
RCC-C3DOCS,
RC-C3DFOC)
RC_Setp_R.RegioCO2_10V
R, 3
121
2000pp
m
-
CO
2
-level at 10 V
(RC-C3DOC,
RCC-C3DOCS,
RC-C3DFOC)
RC_Setp_R.RegioCO2FilterFactor
R, 3
125
0,2
10
Filter factor for CO
2
-input
(RC-C3DOC,
RCC-C3DOCS,
RC-C3DFOC)
RC_Setp_R.RegioCO2PresenceLimit
R, 3
133
800ppm -
Activate presence if CO
2
level is higher (RC-C3DOC,
RCC-C3DOCS,
RC-C3DFOC)
RC_Setp_R.RegioCO2PresenceHyst
R, 3
134
160ppm -
Deactivate presence if the
CO
2
level is lower than the
limit minus this hysteresis
(RC-C3DOC,
RCC-C3DOCS,
RC-C3DFOC)