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Hysteresis
Hysteresis
Symbol
Usage & working
The hysteresis block works as a standard hysteresis. The block sends out a high (or “1”) signal when the input goes below the “on trigger value”. The block sends out a low signal when the input goes above the “off trigger value”.
Example
In this example the middle temperature of the buffer vessel is measured. When it goes below 40°C, the 3-way valve will be opened by the high signal. When the middle temperature goes above 50°C the valve will be closed through the low signal.
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