TR80 - Installation and Operation Guide 56
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
Dir Name Unit Scale
Default
value
Holding 1600 41601 R/W
Room temperature
(override)
°C 0.1 32767
Holding 1601 41602 R/W Room humidity (override) % 1 32767
Register
type
Relative
Address
Absolute
Address
Dir Name Unit Scale
Default
value
Holding 1602 41603 R/W Room air quality (TVOC) (config) 1 32767
Holding 1603 41604 R/W Room Carbon-dioxide (CO2) ppm 1 32767
Holding 1604 41605 R/W Outdoor temperature °C 0.1 32767
Holding 1605 41606 R/W Outdoor relative humidity %Rh 1 32767
Holding 1606 41607 R/W Pressure Pa 1 32767
Holding 1607 41608 R/W Air flow volume m3/h 1 32767
Holding 1608 41609 R/W Indoor particulates PM2.5 ug/m3 1 32767
Holding 1609 41610 R/W Indoor particulates PM10 ug/m3 1 32767
Holding 1610 41611 R/W Outdoor particulates PM2.5 ug/m3 1 32767
Holding 1611 41612 R/W Outdoor particulates PM10 ug/m3 1 32767
Holding 1612 41613 R/W Energy kW 1 32767
Holding 1613 41614 R/W Energy kWh 1 32767
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