Scaling The Analog Input Signal - Toshiba ASD 9 Series Manual

Scaling the Analog Input Signal

Any two set points may be used to establish a response slope for the ASD. It is not necessary that the
two set points be at 0% and 100% of the feedback signal range.
Weak feedback signals can compensated for by adjusting the set points. For instance, if the feedback
signal for the voltage input terminal below were only 3 – 7 V, the same slope would be created by
entering the parameter pair settings F201-F202 and F203-F204 shown in Figure 10.
Figure 10. Example of voltage scaling to compensate for feedback amplitude.
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80 Hz
F204
56 Hz
F202
24 Hz
0 Hz
0 V 3 V
F201 F203
0%
30% 70%
10 V
7 V
100%
PID Control Manual