Honeywell TR80

TR80 - Installation and Operation Guide56
3.13 DISPLAY VALUES
In addition to the operationally required ones, TR80 can display several additional values
for user information. The master makes these values available to the wall module by writ-
ing to relevant registers.
For these registers, the default value is 32767 (hex 7FFF) representing an invalid value.
Any of these registers with the invalid value will be ignored by the wall module. As soon as a
valid value is received from the master controller, it will be available for viewing by the user.
However, if no updates are received for a configurable timeout period, a value will be con-
sidered stale and no longer displayed.
3. 13. 1 Room Temperature and Humidity Override
Firstly, override registers are provided in case the master controller needs to display
another measurement instead of the on-board sensors.
3. 13. 2 Pre-configured Display Parameters
Several other registers are defined with pre-configured units and scale.
Register
type
Relative
Address
Absolute
Address
DirNameUnitScale
Default
value
Holding160041601R/W
Room temperature
(override)
°C0.132767
Holding160141602R/WRoom humidity (override)%132767
Register
type
Relative
Address
Absolute
Address
DirNameUnitScale
Default
value
Holding160241603R/WRoom air quality (TVOC)(config)132767
Holding160341604R/WRoom Carbon-dioxide (CO2)ppm132767
Holding160441605R/WOutdoor temperature°C0.132767
Holding160541606R/WOutdoor relative humidity%Rh132767
Holding160641607R/WPressurePa132767
Holding160741608R/WAir flow volumem3/h132767
Holding160841609R/WIndoor particulates PM2.5ug/m3132767
Holding160941610R/WIndoor particulates PM10ug/m3132767
Holding161041611R/WOutdoor particulates PM2.5ug/m3132767
Holding161141612R/WOutdoor particulates PM10ug/m3132767
Holding161241613R/WEnergykW132767
Holding161341614R/WEnergykWh132767