Figure 10-8 Response To 5 Hz Step: T = 700 Ms; Figure 10-9 Step Response In Pi Control With P2280 = 9.84 And P2285 = 0.30 - Siemens MICROMASTER 411 Operating Instructions Manual

Issue 03/01
Figure 10-8
The frequency step f = 5 Hz / 50 Hz = 10 %
The feedback step x = 0.64 V / 10 V = 6.4 %
P gain = (0.9)(T)( f) / (L)( x) = 9.84 = P2280
I time = 3L = 0.30 s = P2285
The PI controller should now be enabled (P2200 = 1).
Figure 10-9
MICROMASTER 411 & COMBIMASTER 411
6SE6400-5CA00-0BP0
Response to 5 Hz step: T = 700 ms
Step Response in PI control with P2280 = 9.84 and P2285 = 0.30
Operating Instructions
10 Engineering Information
127