Siemens SINAMICS G120C Getting Started page 49

1 Buffer V
DC
F07405, t>p1255 → F07406
p1257 V controller speed threshold [rpm]
DC_min
p1271 Flying restart maximum frequency for the inhibited
direction [Hz]
p1280 V controller or V
DC
0 Inhibit V
DC
1 Enable V
DC_max
r1282 V controller switch-in level (V/f) [100 % ≙
DC_max
p2001]
p1283 V controller dynamic factor (V/f) [%]
DC_max
p1284 V controller time threshold (U/f) [s]
DC_max
p1300 Open-loop/closed-loop control operating mode
0 V/f control with linear characteristic
1 V/f control with linear characteristic and FCC
2 V/f control with parabolic characteristic
3 V/f control with parameterizable characteristic
4 V/f control with linear characteristic and ECO
5 V/f control for drive requiring a precise
frequency (e.g. textiles)
6 V/f control for drive requiring a precise
frequency and FCC
7 V/f control for parabolic characteristic and
ECO
19 V/f control with independent voltage setpoint
20 Speed control (without encoder)
p1302 V/f control configuration
.03 Motor holding brake with constant stop
frequency
p1310 Voltage boost permanent [100 % ≙ p0305]
p1311 Voltage boost when accelerating [%]
p1312 Voltage boost when starting [%]
SINAMICS G120C converter
Getting Started, 04/2014, FW V4.7, A5E34264105B AA
until undervoltage, n<p1257 →
monitoring configuration (V/f)
DC
controller
controller
4.2 Commissioning with BOP-2 operator panel
r1315 Voltage boost, total [100 % ≙ p2001]
p1320 V/f control programmable characteristic frequency
1 [Hz]
p1321 V/f control programmable characteristic voltage 1
[V]
p1322 Characteristic frequency 2 [Hz]
p1323 Characteristic voltage 2 [V]
p1324 Characteristic frequency 3 [Hz]
p1325 Characteristic voltage 3 [V]
p1326 Characteristic frequency 4 [Hz]
p1327 Characteristic voltage 4 [V]
p1330 CI: V/f control independent voltage setpoint
[100 % ≙ p2001]
p1331 Voltage limiting [V]
p1334 V/f control slip compensation starting frequency
[Hz]
p1335 Slip compensation, scaling [100 % ≙ r0330]
p1336 Slip compensation limit value [100 % ≙ r0330]
r1337 CO: Actual slip compensation [100 ≙ 100%]
p1338 V/f mode resonance damping gain
p1340 I frequency controller proportional gain
max
r1343 CO: I_max controller frequency output
[100 % ≙ p2000]
p1349 U/f mode resonance damping maximum
frequency [Hz]
p1351 CO: Motor holding brake starting frequency
[100 ≙ 100%]
p1352 CI: Motor holding brake starting frequency
[100 ≙ 100%]
r1438 CO: Speed controller speed setpoint
[100 % ≙ p2000]
p1452 Speed controller speed actual value smoothing
time (SLVC) [ms]
Commissioning
49