Parameters
List of parameters
1-346
© Siemens AG 2007 All Rights Reserved
SINAMICS S List Manual (LH1), 07/2007
Description: Sets the speed threshold for the standstill identification.
Acts on the actual value and setpoint monitoring.
When braking with OFF1 or OFF3, when the threshold is fallen below, standstill is identified.
The following applies when the brake control is activated:
When the threshold is fallen below, the brake control is started and the system waits for the brake closing time in
p1217. The pulses are then canceled.
if the brake control is not activated, the following applies:
When the threshold is fallen below, the pulses are canceled and the drive coasts down.
Dependency: Refer to: p1215, p1216, p1217, p1227
Note: Standstill is detected if the actual speed drops below the speed threshold in p1226 or if the monitoring time (p1227)
- started when speed setpoint <= speed threshold (p1226) - has expired.
The actual value sensing is subject to measuring noise. For this reason, standstill cannot be detected if the speed
threshold is too low.
Description: Sets the velocity threshold for the standstill identification.
Acts on the actual value and setpoint monitoring.
When braking with OFF1 or OFF3, when the threshold is fallen below, standstill is identified.
The following applies when the brake control is activated:
When the threshold is fallen below, the brake control is started and the system waits for the brake closing time in
p1217. The pulses are then canceled.
if the brake control is not activated, the following applies:
When the threshold is fallen below, the pulses are canceled and the drive coasts down.
Dependency: Refer to: p1215, p1216, p1217, p1227
Note: Standstill is detected if the actual velocity drops below the velocity threshold in p1226 or if the monitoring time
(p1227) - started when the velocity setpoint <= velocity threshold (p1226) - has expired.
The actual value sensing is subject to measuring noise. For this reason, standstill cannot be detected if the velocity
threshold is too low.
Description: Sets the monitoring time for the standstill identification.
When braking with OFF1 or OFF3, standstill is identified after this time has expired, after the setpoint speed has
fallen below p1226 (also refer to p1145).
p1226 Threshold for zero speed detection / n_standst n_thresh
SERVO, VECTOR Can be changed: U, T Calculated: - Access level: 2
Data type: Floating Point Dynamic index: - Func. diagram: 2701, 2704
P-Group: Functions Units group: 3_1 Unit selection: p0505
Not for motor type: - Expert list: 1
Min Max Factory setting
0.0 [RPM] 210000.0 [RPM] 20.0 [RPM]
p1226 Standstill detection, velocity threshold / v_standst v_thresh
SERVO (Lin) Can be changed: U, T Calculated: - Access level: 2
Data type: Floating Point Dynamic index: - Func. diagram: 2701, 2704
P-Group: Functions Units group: 4_1 Unit selection: p0505
Not for motor type: - Expert list: 1
Min Max Factory setting
0.0 [m/min] 1000.0 [m/min] 0.2 [m/min]
p1227 Zero speed detection monitoring time / n_standst t_monit
SERVO, VECTOR Can be changed: U, T Calculated: - Access level: 2
Data type: Floating Point Dynamic index: - Func. diagram: 2701, 2704
P-Group: Functions Units group: - Unit selection: -
Not for motor type: - Expert list: 1
Min Max Factory setting
0.000 [s] 300.000 [s] 4.000 [s]
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