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10.3.4
Additional cooling stage
Number
4
Description:
1. This object is used to operate a switching actuating drive, e.g. a thermoelectric positioner,
that is controlled by a switching/heating actuator.
2. This object is used to control an actuating drive with a continuous input value (0%..100%),
e.g. an electromotive actuating drive.
Note
The additional stage can also be used as a parallel second cooling stage. To do
this, set the parameter for the temperature difference to the basic stage to 0°C.
10.3.5
Control On/Off
Number
5
If a 0 telegram is received, the controller switches to OFF mode and regulates the temperature
to the setpoint value for frost/heat protection. When the controller is switched on again, the
remaining operating mode objects are queried in order to determine the new operating mode.
NOTE
About item 2:
During active ON/OFF controller function in master/slave mode the ON/OFF
(master) control object is to be linked with this object.
About item 3: During active ON/OFF controller function in master/slave mode the ON/OFF
(slave) control object is to be linked with this object.
10.3.6
Actual temperature
Number
6
1. The object outputs the measured (room) temperature, adjusted by the calibration value.
2. The object outputs the temperature value which is calculated from the recording and
weighting of internal and up to two external temperatures.
Note
An external temperature measurement for room control may be practical for
larger rooms and/or floor heating.
KNX Technical Reference Manual 1473-1-8914 / 2CKA001473B8914
Description of application and parameters
Name
Additional cooling stage
Name
1. Control On/Off
2. Control On/Off (master)
3. Control On/Off (slave)
Name
1. Actual temperature
2. Actual temperature weighted
Communication objects - RTC
Object function
Output
Object function
Output
Output
Output
Object function
Output
Output
Data type
1. Switching
2. Percent (0 to
100%)
Data type
Switching
Switching
Switching
Data type
2-byte floating point
value
2-byte floating point
value
│75
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