Operation
6.4.4 Advanced Peak Hold
This function searches the sensor signal for a local maximum (peak) and writes this value to the output until a new local maximum is found. Before the algorithm restarts searching for a local maximum, the object temperature has to drop below a predefined threshold. If the object temperature raises above the held value which has been written to the output so far, the output signal follows the object temperature again. If the algorithm detects a local maximum while the object temperature is currently below the predefined threshold the output signal jumps to the new maximum temperature of this local maximum. Once the actual temperature has passed a maximum above a certain magnitude, a new local maximum is found. This magnitude is called hysteresis.
Temp
output temperature object temperature
hysteresis
threshold
Time
Figure 28: Advanced Peak Hold
The advanced peak hold function is only adjustable by means of the DataTemp MultiDrop Software.
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