Siemens SINAMICS S120 Function Manual page 90

Servo control
5.3 Setpoint addition
Speed actual value at the instant of OFF1 / OFF3
If an event initiates OFF1 or OFF3 - and the "Extended setpoint channel" function module is not
active - then the drive ramps down via the OFF1 and OFF3 times parameterized in the "Ramp
down" dialog.
1. Enter a value in p1121[0] for the OFF1 ramp-down time.
2. Enter a value in p1135 for the OFF3 ramp-down time.
3. To activate the interpolator for the down ramp, in the drop-down list for p1189[0], select
"Yes".
Function diagrams (see SINAMICS S120/S150 List Manual)
● 3080
Overview of important parameters (see SINAMICS S120/S150 List Manual)
● p1121[0...n]
● p1135[0...n]
● p1155[0...n]
● p1160[0...n]
● p1189[0...n]
88
Setpoint channel - ramp-function generator selection, status word, tracking
Ramp-function generator ramp-down time
OFF3 ramp-down time
CI: Speed controller, speed setpoint 1
CI: Speed controller, speed setpoint 2
Speed setpoint configuration
Function Manual, 06/2019, 6SL3097-5AB00-0BP2
Drive functions