Siemens SINAMICS S Manuel page 1127

Mot PolePairNo act
r0313[M]
<1>
n_set for P component
p n
[5030.8] r1438 f
60
n_max (p1082)
[3050.6] p n
f
[3095.7]
Reference variable for the 60
ramp-up time
For synchronous motors only speed setpoints up to approx. 25 % of the rateed speed are practical. Beyond this, there is a danger of resonant
<1>
oscillations.
<2> The changeover to V/f control (closed-loop control type) is represented at [5730.2].
1 2
DO: SERVO
Servo V/f control - V/f control for diagnostics
V/f t_up_down
0.000...999 999.000 s
p1318[D] (10.000)
f
max
f_set_1
0
(synchronous
frequencies) Safety ramp-function generator for
V/f control (as stall protection)
f_max
3 4
Drv f_outp smth
100 ms
r0024
Pole pair number /60
f_set_2
V/f characteristic
U
f
430V
V/f characteristic U4
0.0...10 000.0 V
p1327[D] (0.0)
V/f U at f zero
0.0...25.0 V
p1319[D] (0.0)
f
V/f characteristic f4
0.00...10 000.00 Hz
p1326[D] (0.00)
5 6
fp_5300_01_eng.vsd
05.04.05 V02.04.00
p0115[0] (125.00 µs)
Drv f_output
r0066
n_act smooth [RPM]
r0063
Uq_set_3
<2>
To the current control
[5730.1]
V_set Ud_set_3
F07801
"Motor overcurrent"
Monitoring (not automatic
current limiting for
V/f control)
7 8
Function diagram
- 5300 -
SINAMICS S