Speed Control With Fixed Speed Setpoint - Siemens SINAMICS V90 Operating Instructions Manual

Note
If the drive is working with external analog speed setpoint, the system continues to work
automatically after you repower on the 24 VDC power supply which is shut off unexpected
for the drive. In this case, do not touch the equipment.
Offset adjustment for analog input 1
Offset exists for the input voltage from the analog input 1. You have two methods to adjust
such offset:
● Automatic adjustment with BOP function: refer to "Adjusting AI offsets (Page 132)" for
details.
● Manual input of an offset value (p29061)
7.5.1.2

Speed control with fixed speed setpoint

Parameter settings
In the S mode, when at least one of the three digital input signals SPD1, SPD2 and SPD3 is
at high level, one of the following parameter values is used as speed setpoint:
Parameter Value range
p1001 -210000 to
210000
p1002 -210000 to
210000
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 07/2015, 6SL3298-0AV60-0BP0
Parameter Range
p29061 -0.50 to 0.50
Default Unit
0 rpm
0 rpm
Factory setting
0
Description
Fixed speed setpoint 1
Fixed speed setpoint 2
Control functions
7.5 Speed control (S)
Unit Description
V Offset adjustment for analog
input 1 (speed setpoint)
Digital input
SPD3 SPD2
0 0
0 1
SPD2
1
0
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