Direction And Stop; Speed Limit; Torque Limit; Zero Speed Clamp - Siemens SINAMICS V90 Operating Instructions Manual

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Control functions
7.5 Speed control (S)
Parameter
Value range
p1006
-210000 to
210000
p1007
-210000 to
210000
7.5.2

Direction and stop

Two digital input signals are used to control motor direction and run/stop.
● CWE: clockwise enable
● CCWE: counter-clockwise enable
The following table shows you in details:
CCWE
Note
In S mode or T mode, when the servo motor is ready to run, signal CWE or CCWE is a must
to start running the motor.
For more information about signals CWE and CCWE, refer to "DIs (Page 92)".
7.5.3

Speed limit

Refer to "Speed limit (Page 178)" for details.
7.5.4

Torque limit

Refer to "Torque limit (Page 179)" for details.
7.5.5

Zero speed clamp

The function of zero speed clamp is used to stop motor and lock motor axis when motor
speed setpoint is below a parameterized threshold level (p29075).
204
Default
Unit
0
rpm
0
rpm
Signal
Fixed torque setpoint
CWE
0
0
0
1
1
0
1
1
Description
Fixed speed setpoint 6
Fixed speed setpoint 7
+ polarity
0
CW
CCW
CCW
0
Digital input
SPD3
SPD2
1
1
1
1
Analog torque setpoint
- polarity
0
0
CW
CCW
CW
0
0
SINAMICS V90, SIMOTICS S-1FL6
Operating Instructions, 09/2015, A5E36037884
SPD2
0
1
0 V
0
0
0
0

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