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6.3
Control and measuring precision
The measuring precision is the actual temperature of the room temperature controller is at 0.1K
(purely internal use). The actual temperature is displayed in the web-based visualization in the
respective room.
At deviations to the actual temperature measured in the room, the actual temperature of the
room temperature controller can also be corrected in the settings of the room temperature
controller.
The set-value temperature can be adjusted directly on the room temperature controller in steps
of 0.5 (or Kelvin).
From a deviation of 0.5 Kelvin between set-value/actual value the heating requirement is
determined and the room temperature controller sends a corresponding position value to the
heating actuator.
The control on the heating actuator is carried out via pulse-width modulation (PWM).
This means that the received position value in a pulse-pause relationship switches the
thermoelectric actuating drive on/off (e.g. pulse-pause relationship 30/70; corresponds to 9
minutes on / 21 minutes off).
Due to the constant adjustment of the position value and with it the pulse-pause relationship,
the controller approaches the adjusted set value.
Product manual 2CKA001373B8563
Commissioning
│39
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