Siemens SINUMERIK 840D Function Manual page 620

R3: Extended stop and retract
16.2 ESR executed autonomously in the drive
Parameter
p1248
p1244 Upper DC link voltage threshold
p1248 Lower DC link voltage threshold
r0208
T1
T2
Figure 16-3
Generator minimum speed
The lower limit of the motor speed of the generator axis is configured using drive parameter
p2161:
Parameter
p2161
Feedback signal
The generator operation status is returned to the control (see Section "Feedback of the ESR
status (Page 621)").
Further information
A detailed description of drive parameters and the Vdc control can be found in:
● SINAMICS S120/S150 List Manual
● Function Manual SINAMICS S120 Drive Functions; Servo control > Vdc control
620
Description
Lower DC link voltage threshold
Setting the lower threshold for the DC link voltage. For p1240 = 2, this threshold is used
as setpoint limit for the Vdc_min controller.
Rated power unit line supply voltage.
The pulses are canceled if the DC link voltage drops below 0.9*r0208
Instant in time at which generator operation was triggered
Instant in time at which generator operation was exited
Configuring_drive_integrated_generator_operation
Description
Speed threshold value 3
Speed threshold for the message: |n_act| < speed threshold 3
Axes and spindles
Function Manual, 06/2019, A5E47437747B AA