Siemens SINAMICS G120D - Motorized Potentiometer as Setpoint Source

Advanced commissioning
7.3 Setpoints
Converter with control units CU250D-2
128 Operating Instructions, 04/2015, FW V4.7.3, A5E34261542B AB
7.3.3
Motorized potentiometer as setpoint source
The "Motorized potentiometer" function emulates an electromechanical potentiometer. The
output value of the motorized potentiometer can be set with the "higher" and "lower" control
signals.
Interconnecting the motorized potentiometer (MOP) with the setpoint source
Figure 7-9 Motorized potentiometer as setpoint source
Figure 7-10 Function chart of the motorized potentiometer
Table 7- 4 Basic setup of motorized potentiometer
Parameter
Description
p1035
Motorized potentiometer setpoint higher
Interconnect these commands with sig-
nals of your choice.
p1036
Motorized potentiometer setpoint lower
p1040
MOP start value
(factory setting: 0 rpm)
Defines the start value [rpm] that is effective when the motor is switched on.
p1047
MOP ramp-up time (factory setting: 10 s)
p1048
MOP ramp-down time (factory setting: 10 s)
r1050
Motorized potentiometer setpoint after the ramp-function generator
p1070 =
1050
Main setpoint