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MIW-RMFPX-2R-EN-000 - 23 / 04 / 2018
9 - 11
Register 6 indicates if the measured value is below standby level, above active level
or in between both levels:
■
If the measured light level is below the Standby level, Input Register 6 indicates
“Standby”.
■
If the measured ambient light level is above the Active level, Input Register 6
indicates “Active”.
■
If the measured ambient light level is between the active and stand-by level, Input
Register 6 indicates “Low intensity”. When this feature is used, it is advisable to
adjust the active and standby levels in Holding Registers 34 and 35 according to
the actual ambient light conditions around the sensor.
VERIFICATION OF INSTALLATION INSTRUCTIONS
After switching on the power supply one of the LEDs lights up according to the
status of the measured variable. If this is not the case, check the connections.
MODBUS REGISTER MAPS
INPUT REGISTERS
Data type
Description
Data
Values
1
Temperature
signed int.
Actual temperature level
-300—700
500 =
50,0 °C
2
Relative humidity
unsigned int.
Actual relative humidity level
0—1.000 1.000 =
100,0 % rH
3
Dew point
signed int.
Calculated dew point
-700—700
200 =
20,0 °C
4
CO
2
unsigned int.
Actual CO
2
level
0—2.000 2.000 =
2.000 ppm
5
Ambient light intensity
unsigned int.
Measured light intensity
0—32.000 1.000 =
1.000 lx
6
Active / standby
unsigned int.
Active or Standby indication according the Active /
Standby light level defined via holding registers 34
and 35. If the measured light level is between the
two levels, the indication is “0” (Low intensity)
0—2
0 =
1 =
2 =
Low light intensity
Active
Standby
7—10
Reserved, return “0”
11
Output value 1
unsigned int.
Analog output value - T, rH or CO
2
0—1.000
0 =
1.000 =
0 %
100 %
12—13
Reserved, return “0”.
14
Temperature alert flag
unsigned int.
Flag indicates that measured temperature is outside
set alert values. Set to ‘1’ when the measured value
is outside the temperature alert values defined by
holding registers 20 and 21
0—1
0 =
1 =
Measured temperature is OK
Measured temperature is too high/ low
15
Relative humidity alert flag
unsigned int.
Flag indicates that measured relative humidity
is outside set alert values. Set to ‘1’ when the
measured value is outside the relative humidity alert
values defined by holding registers 22 and 23
0—1
0 =
1 =
Measured rH is OK
Measured rH is too high/ low
16
CO
2
alert flag
unsigned int.
Flag indicates that measured CO
2
level is outside set
alert values. Set to ‘1’ when the measured value is
outside the CO
2
range limit values defined by holding
registers 24 and 25
0—1
0 =
1 =
Measured CO
2
is OK
Measured CO
2
is too high/ low
17
Temperature range limit flag
unsigned int.
Flag indicates that measured temperature is outside
set range limit values. Set to ‘1’ when the measured
value is outside the temperature range limit values
defined by holding registers 14 and 15
0—1
0 =
1 =
Temperature range is OK
Temperature range is too high/ low
18
Relative humidity range
limit flag
unsigned int.
Flag indicates that measured relative humidity is
outside set range limit values. Set to ‘1’ when the
measured value is outside the relative humidity limit
range values defined by holding registers 16 and 17
0—1
0 =
1 =
rH range is OK
rH range is too high/ low
19
CO
2
range limit flag
unsigned int.
Flag indicates that measured CO
2
level is outside
set range limit values. Set to ‘1’ when the measured
value is outside the CO
2
values defined by holding
registers 18 and 19
0—1
0 =
1 =
CO
2
range is OK
CO
2
range is too high/ low
20
Humidity / temperature
sensor fault
unsigned int.
Flag indicates if the communication with the
temperature and humidity sensor is lost
0—1
0 =
1 =
No
Yes
21
CO
2
Sensor fault
unsigned int.
Flag that shows if the communication with the CO
2
sensor is lost
0—1
0 =
1 =
No
Yes
22
Ambient light sensor fault
unsigned int.
Flag that shows if the communication with the
ambient light sensor is lost
0—1
0 =
1 =
No
Yes
RMFPX-2R
MULTIFUNCTIONAL
ROOM CONTROLLER
