Siemens CU230P-2 DP - p1127[0...n] Ramp-function generator minimum ramp-down time; RFG t_RD min; p1130[0...n] Ramp-function generator initial rounding-off time; RFG t_start_round; p1131[0...n] Ramp-function generator final rounding-off time; RFG t_end_delay

Parameters
List of Parameters
1-142
© Siemens AG 2009 All Rights Reserved
SINAMICS G120 Control Units CU230P-2 Parameter Manual (LH9), 11/2009
Description: Sets the minimum ramp-down time.
The ramp-down time (p1121) is limited internally to this minimum value.
Dependency: Refer to: p1082
Note: For V/f control and encoderless vector control (see p1300), ramp-down times of 0 s are not recommended. The set-
ting should be based on the startup times (r0345) of the motor. If the maximum speed p1082 changes, p1123 is
recalculated.
Description: Sets the initial rounding-off time for the extended ramp generator. The value applies to ramp-up and ramp-down.
Note: Rounding-off times avoid an abrupt response and prevent damage to the mechanical system.
Description: Sets the initial rounding-off time for the extended ramp generator. The value applies to ramp-up and ramp-down.
Note: Rounding-off times avoid an abrupt response and prevent damage to the mechanical system.
Description: Sets the final rounding-off time for the extended ramp generator. The value applies to ramp-up and ramp-down.
Note: Rounding-off times avoid an abrupt response and prevent damage to the mechanical system.
Description: Sets the final rounding-off time for the extended ramp generator. The value applies to ramp-up and ramp-down.
Note: Rounding-off times avoid an abrupt response and prevent damage to the mechanical system.
p1127[0...n] Ramp-function generator minimum ramp-down time / RFG t_RD min
Access level: 4 Calculated: p0340 = 1 Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Min Max Factory setting
0.000 [s] 999999.000 [s] 0.000 [s]
p1130[0...n] Ramp-function generator initial rounding-off time / RFG t_start_round
PM230 Access level: 2 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Min Max Factory setting
0.000 [s] 30.000 [s] 2.000 [s]
p1130[0...n] Ramp-function generator initial rounding-off time / RFG t_start_round
PM240
PM250, PM260
Access level: 2 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Min Max Factory setting
0.000 [s] 30.000 [s] 0.000 [s]
p1131[0...n] Ramp-function generator final rounding-off time / RFG t_end_delay
PM230 Access level: 2 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Min Max Factory setting
0.000 [s] 30.000 [s] 2.000 [s]
p1131[0...n] Ramp-function generator final rounding-off time / RFG t_end_delay
PM240
PM250, PM260
Access level: 2 Calculated: - Data type: FloatingPoint32
Can be changed: U, T Scaling: - Data set: DDS, p0180
Min Max Factory setting
0.000 [s] 30.000 [s] 0.000 [s]