Order No. 2104 ..
Adapting the 2-point feedback control
2-point feedback control represents a very simple temperature control. For this type of feedback
control, two hysteresis temperature values are set. The upper and lower temperature hysteresis
limits can be adjusted via parameters. It has to be considered that…
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A small hysteresis will lead to small temperature variations but to a higher bus load.
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A large hysteresis switches less frequently but will cause uncomfortable temperature
variations.
Figure 25: Effects of the hysteresis on the switching behaviour of the command value
of 2-point feedback control
Page 77 of 171
Software "KNX CO2 sensor"
Functional description
