Siemens SINAMICS G120C Operating Instructions Manual page 186

Advanced commissioning
6.3 Setpoints
Example: Select two fixed setpoints directly
The motor should operate at different speeds as follows:
● The signal on digital input 0 switches the motor on and accelerates it to 300 rpm.
● The signal at digital input 1 accelerates the motor to 2000 rpm.
● The signals at the two digital inputs accelerate the motor to 2300 rpm.
Table 6- 23
Parameter
p1001 = 300.000
p1002 = 2000.000
p0840 = 722.0
p1070 = 1024
p1020 = 722.0
p1021 = 722.1
p1016 = 1
Table 6- 24
Fixed setpoint selected by
DI 0 = 0
DI 0 = 1 and DI 1 = 0
DI 0 = 1 and DI 1 = 1
182
Settings for the example
Description
Fixed speed setpoint 1 [rpm]
Fixed speed setpoint 2 [rpm]
ON/OFF1: Switch on motor with digital input 0
Main setpoint: Interconnect the main setpoint with the fixed speed setpoint.
Speed fixed setpoint selection Bit 0: Interconnect fixed setpoint 1 with digital
input 0 (DI 0).
Fixed speed setpoint selection bit 1: Interconnects fixed setpoint 2 with digital
input 1 (DI 1).
Fixed speed setpoint mode: Select direct selection of the fixed setpoints.
Resulting fixed setpoints for the example above
Resulting setpoint
Motor stops
300 rpm
2300 rpm
Operating Instructions, 07/2015, FW V4.7 SP3, A5E34263257B AC
SINAMICS G120C converter