Siemens SINUMERIK 840C - Manual (Page 473)

7 Drive Machine Data (SIMODRIVE Drive MD) 04.96
7.2.2 FDD MD (data description - SW 3)
Note:
• Current setpoint filter 1 is preset to the current controller sampling time MD 1000 =
125
µ s for damping of the encoder torsional natural frequency.
Natural frequency current setpoint filter 2 1204
Default value Lower input limit Upper input limit Units
0 0 8 000 Hz
Active
at once
Input of natural frequency for current setpoint filter 2 (PT2 low-pass). An entry of < 10 Hz as
the natural frequency of the low-pass filter initializes the filter as a proportional element with a
gain of 1 independently of the associated damping. The filter is activated via machine data MD
1200 and MD 1201.
Damping current setpoint filter 2 1205
Default value Lower input limit Upper input limit Units
1.0 0.05 5 –
Active
at once
Input of damping for current setpoint filter 2 (PT2 low-pass). The filter is activated via machine
data MD 1200 (selection current setpoint filter) and MD (type current setpoint filter) 1201.
Natural frequency current setpoint filter 3 1206
Default value Lower input limit Upper input limit Units
0 0 8 000 Hz
Active
at once
Input of natural frequency for current setpoint filter 3 (PT2 low-pass). An entry of < 10 Hz as
the natural frequency of the low-pass filter initializes the filter as a proportional element with a
gain of 1 independently of the associated damping. The filter is activated via machine data MD
1200 and MD 1201.
Damping current setpoint filter 3 1207
Default value Lower input limit Upper input limit Units
1.0 0.05 5 –
Active
at once
Input of damping for current setpoint filter 3 (PT2 low-pass). The filter is activated via machine
data MD 1200 (selection current setpoint filter) and MD (type current setpoint filter) 1201.
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SINUMERIK 840C (IA)