wtw TresCon UNO A111, Руководство по эксплуатации

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Operation TresCon UNO
5 - 34 ba43134e08 05/2017
Positive characteristic
curve
The proportional regulation range begins above the start value. If the
proportional range is undercut or exceeded, the selected behavior co-
mes into force.
Fig. 5-11 Pulse-width controller
Fig. 5-12 Frequency controller
1 Start value
Measured value with minimum pulse width or switching fre-
quency
2 End value
Measured value with maximum pulse width or switching fre-
quency
0
10
50
90
100
Proportional
band
t
On
t
Of f
50 % 50 %
10 %
10 %
90 %
90 %
Cycle
duration T
Time
Measured value 2 1
Pulse v [%] width
0
60
120
Proportional
band
Time
Measured value 2 1
50 % of maximum
switching frequency
Maximum
switching frequency
Switching frequency f [1/min]
Minimum
switching frequency