Motor Control - Siemens SINAMICS G115D Operating Instructions Manual

Advanced commissioning

6.18 Motor control

Parameter
p2240[0...n]
r2245
p2247[0...n]
p2248[0...n]
r2250
Further information
For additional information refer to the function diagrams 7950 ... 7958 of the List Manual.
You will find additional information on the following PID controller components in the
Internet at:
• Setpoint input: Analog value or fixed setpoint
• Setpoint channel: Scaling, ramp-function generator and filter
• Actual value channel: Filter, limiting and signal processing
• PID controller: Principle of operation of the D component, inhibiting the I component and
the control sense
• Enable, limiting the controller output and fault response
6.18 Motor control
Overview
The converter has two alternative methods to ensure the motor speed follows the configured
speed setpoint:
• U/f control
• Vector control
254
Description
Technology controller motorized
potentiometer start value [%]
CO: Technology controller motor-
ized potentiometer, setpoint be-
fore RFG [%]
Technology controller motorized
potentiometer ramp-up time [s]
Technology controller motorized
potentiometer ramp-down time
[s]
CO: Technology controller motor-
ized potentiometer, setpoint after
RFG [%]
FAQ (https://support.industry.siemens.com/cs/ww/en/view/92556266)
Setting
Sets the starting value for the motorized potenti-
ometer of the technology controller.
Factory setting: 0
Displays the effective setpoint in front of the
internal motorized potentiometer ramp-function
generator of the technology controller.
Sets the ramp-up time and ramp-down time for
the internal ramp-function generator for the mo-
torized potentiometer of the technology control-
ler.
Factory setting: 10
Displays the effective setpoint after the internal
ramp-function generator for the motorized poten-
tiometer of the technology controller.
Operating Instructions, 12/2020, FW V4.7 SP13, A5E48681219B-002
SINAMICS G115D distributed drive