Parameters
List of Parameters
1-180
© Siemens AG 2007 All Rights Reserved
SINAMICS G120 Control Units CU240S, Edition 05/2007
Description: Sets the flux variance limit.
With SLVC the variance between the flux setpoint and the actual flux is used to detect motor stall conditions.
Note: The function is active, with SLVC (P1300 = 20 or 22) and control in open loop mode (output frequency > P1755).
Description: Displays the present percentage of flux variance. See P1745.
Description: Control word of motor model.
This parameter controls the operation of the sensorless vector control (SLVC) at very low frequencies.
This therefore includes the following conditions:
• Operation directly after an ON command
• zero crossing.
SLVC open loop means that the speed controller does not get any speed feedback from the observer model.
Description: Displays status of transition from feed-forward to observer-control and vice versa.
p1745[0...2] Flux variance limit in stall / Flux var.lim.stall
Access level: 3 P-Group: Closed-loop control Data type: Floating Point
Quick comm. NO Active: YES Data set: DDS
Can be changed: U, T
Min Max Factory setting
0.0 [%] 1000.0 [%] 5.0 [%]
r1746 CO: Actual flux variance / Act. flux variance
Access level: 3 P-Group: Closed-loop control Data type: Floating Point
Unit: [%] Data set: -
p1750[0...2] Control word of motor model / Motor model CtrlWd
Access level: 3 P-Group: Closed-loop control Data type: Unsigned16
Quick comm. NO Active: NO Data set: DDS
Can be changed: U, T
Min Max Factory setting
- - 0000 bin
Bit field: Bit Signal name 1 signal 0 signal FP
00 Start SLVC open loop Yes No -
01 Zero crossing SLVC open loop Yes No -
r1751.0...15 CO/BO: Status word of motor model / Motor model StatWd
Access level: 3 P-Group: Closed-loop control Data type: Unsigned16
Unit: - Data set: -
Bit field: Bit Signal name 1 signal 0 signal FP
00 Open loop operation Yes No -
01 RFG set by transition control Yes No -
02 Rs/Lh adaption stopped Yes No -
03 Observer feedback enabled Yes No -
04 Angle hold active Yes No -
05 Accelertation check enabled Yes No -
06 Sensor mode active Yes No -
14 Rs adapted Yes No -
15 Xh adapted Yes No -
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