Siemens SINAMICS S Series - Figure 2-157 5300 - V;f control for diagnostics

Servo control
Function Diagrams
2-1275
© Siemens AG 2007 All Rights Reserved SINAMICS S List Manual (LH1), 07/2007
Figure 2-157 5300 – V/f control for diagnostics
Servo control - V/f control for diagnostics
- 5300 -
Function diagram
87654321
fp_5300_01_eng.vsd
DO: SERVO
SINAMICS S
15.05.07 V02.05.00
0
f
max
f_set_1
f_max
[5030.8]
[3050.6]
[3095.7]
60
np
f
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60
np
f
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To current control
Vf char U4
0.0...10 000.0 [V]
p1327[D] (0.0)
Vf U at f=0 Hz
0.0...50.0 [V]
p1319[D] (0.0)
V_set Ud_set_3
Uq_set_3f_set_2
Vf char f4
0.00...10 000.00 [Hz]
p1326[D] (0.00)
f
U
f
430V
Safety ramp-function
generator for V/f control (as
stall protection)
Vf t_rmp-up_rmp-dn
0.000...999 999.000 [s]
p1318[D] (10.000)
r0313[M]
V/f characteristic
(Synchronous
frequencies)
r1438
n_ctrl n_set
<1>
p0115[0] (125.00 µs)
r0066
f_outp
f_outp smooth
r0024
r0063
n_act smooth [RPM]
<2>
<1> For synchronous motors, only speed setpoints with up to approximate 25 % of the rated speed can be used in order to prevent any risk of resonant oscillation.
<2> The changeover to V/f control (closed-loop control mode) is represented at [5730.2].
Monitoring
F07801
"Motor overcurrent"
(No automatic current limiting
for V/f control)
100 ms
[5730.1]
n_max (p1082)
Reference variable for the
ramp-up time
r0313[M]
Pole pair number p
Pole pair number p
p
f60
n
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