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Siemens SINUMERIK 840D Description Of Functions page 139

Hla module
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08.99
02.99
Dynamic drive
model data
5160
PISTON_POS_MIN_NAT_FREQ
Min. natural frequency, piston position
Unit:
Default:
mm
0.0
5161
DRIVE_DAMPING
Drive damping
Unit:
Default:
–
0.1
5162
DRIVE_NATURAL_FREQUENCY_A
Natural frequency of drive A
Unit:
Default:
Hz
1.0
5163
DRIVE_NATURAL_FREQUENCY
Natural frequency of drive
Unit:
Default:
Hz
1.0
5164
DRIVE_NATURAL_FREQUENCY_B
Natural frequency of drive B
Unit:
Default:
Hz
1.0
5180
CLOSED_LOOP_SYSTEM_DAMPING
Selected damping for closed-loop system
Unit:
Default:
–
0.7
 Siemens AG 2000. All rights reserved
SINUMERIK 840D/SIMODRIVE 611 digital Descr. of Functions HLA Module (FBHLA) – 04.00 Edition
Minimum:
Maximum:
0.0
3000.0
Minimum:
Maximum:
0.01
1.0
Minimum:
Maximum:
1.0
2000.0
Minimum:
Maximum:
1.0
2000.0
Minimum:
Maximum:
1.0
2000.0
Minimum:
Maximum:
0.2
1.0
The drive is approximated as a PT2 low pass for the purpose of dimensioning
the closed-loop velocity control. The characteristic values "natural frequency"
and "damping" are calculated and preset from other drive data by the "Calculate
drive model data" function.
Machine data MD 5180: CLOSED_LOOP_SYSTEM_DAMPING can be set to
specify the degree of damping to be applied in calculating the control loop dur-
ing "Calculate controller data".
Example: Damping of 0.9
Slow closed-loop system with infrequent overshoots
Damping of 0.5
Fast closed-loop system with frequent overshoots
4 Firmware Drive Functions
4.9 Drive data
Cross ref.: –
Relevant for:
Protection level:
HLA
3/3
Data type:
Effective:
FLOAT
Immediately
Cross ref.: –
Relevant for:
Protection level:
HLA
3/3
Data type:
Effective:
FLOAT
Immediately
Cross ref.: –
Relevant for:
Protection level:
HLA
3/3
Data type:
Effective:
FLOAT
Immediately
Cross ref.: –
Relevant for:
Protection level:
HLA
3/3
Data type:
Effective:
FLOAT
Immediately
Cross ref.: –
Relevant for:
Protection level:
HLA
3/3
Data type:
Effective:
FLOAT
Immediately
Cross ref.: –
Relevant for:
Protection level:
HLA
3/3
Data type:
Effective:
FLOAT
Immediately
4-139
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Simodrive 611 digital

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