Siemens SINAMICS G120D Original Instructions Manual page 125

Parameter for setting the fixed setpoints
Parameter
p1001
p1002
...
p1015
p1016
p1020
p1021
p1022
p1023
r1024
r1025.0
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 8- 6
Parameter
p1001 = 300.000
p1002 = 2000.000
p0840 = 722.0
p1070 = 1024
p1020 = 722.0
p1021 = 722.1
p1016 = 1
Table 8- 7
Fixed setpoint selected by
DI 0 = 0
DI 0 = 1 and DI 1 = 0
DI 0 = 1 and DI 1 = 1
Converter with control units CU250D-2
Operating Instructions, 04/2014, FW V4.7, A5E34261542B AA
Description
Fixed speed setpoint 1 (factory setting: 0 rpm)
Fixed speed setpoint 2 (factory setting: 0 rpm)
...
Fixed speed setpoint 15 (factory setting: 0 rpm)
Fixed speed setpoint mode (factory setting: 1)
1: Direct
2: Binary
Fixed speed setpoint selection bit 0 (factory setting: 0)
Fixed speed setpoint selection bit 1 (factory setting: 0)
Fixed speed setpoint selection bit 2 (factory setting: 0)
Fixed speed setpoint selection bit 3 (factory setting: 0)
Fixed speed setpoint effective
Fixed speed setpoint status
1 signal Fixed speed setpoint is selected
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
Setting functions
8.3 Setpoints
125