Siemens SINAMICS G120D CU240D-2 DP Manual page 732

U/f resonance damping
–
Uf Res_damp T
1.00 ... 1000.00 [ms]
p1339 [D] (20.00)
Iq_act [Arms]
r0078
[6714.8]
1
6 % 10 % 95 %
Uf res_damp f_max
f_outp [Hz]
0.00 ... 3000.00 [Hz]
r0066
p1349 [D] (0.00)
[6730.4]
[6731.4]
1
p1334
p1334 + 4 %
If p1349 = 0: the limit is 0.95 x f Mot N ” 45 Hz.
<1>
<2> Activation with r0056.4 = 1 till r0066 • p1334 and p1216 has expired.
100 % equal r0330 (Rated motor slip).
1 2
Vector control
Resonance damping and slip compensation (U/f)
Uf Res_damp gain
0.00 ... 100.00
p1338 [D] (0.00)
f_res damp
+
f_Slip [Hz]
r0065
Mot slip_rated [Hz]
r0330 [D]
f/f
Mot N
<1>
f/f
Mot N
3 4
U/f slip compensation
Brake f_start
p1352 [C]
Brake f_start
-300.00 ... 300.00 [%] (1351[0])
[6300.7]
p1351 [D] (0.00)
Slip comp lim val
Slip comp scal
0.00 ... 600.00 [%]
0.0 ... 600.0 [%]
p1336 [D] (250.00)
p1335 [D] (0.0)
-1
5
fp_6310_97_53.vsd
09.12.2015
<2>
Mot slip_rated [Hz]
r0330 [D]
250 ms
100 %
Slip comp act val [%]
0
ZSW cl-loop ctrl
1
1
0
1 = Slip limiting active
6 7
Function diagram
SINAMICS G120D
V4.7.6
Slip
compensation
[6300.6]
r1337
r0056
[2526.2]
r0056 .10
8
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