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MICROMASTER 420 Reference Manual
Issue A1
17
Figure 2-8 Response to 5 Hz step: T = 700 ms
The frequency step ∆I = 5 Hz / 50 Hz = 10%
The feedback step ∆[= 0.64 V / 10 V = 6.4%
3gain (0.9)(T)(∆f) / (L)(∆x) = 9.84 = 3
, time 3L = 0.30 s = 3
The PI controller should now be enabled (P2200 = 1).
Figure 2-9 Step Response in PI control with P2280 = 9.84 and P2285 = 0.30
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