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Siemens SINUMERIK 840C
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04/96
Siemens AG 2001 All rights reserved 6FC5198jAB40
1–213
SINUMERIK 840C / SIMODRIVE 611D (DA)
300767 Natural frequency greater than Shannon frequency Reset key
Cyclic after control power up
With MSD:
S Pulse reset, motor coasts down
S SIMODRIVE_READY and DRIVE_READY are reset.
S Reset error
With FDD:
S Controllers disabled, motor braked
S SIMODRIVE_READY and DRIVE_READY are reset.
S Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
The natural frequency of a speed setpoint filter is greater than the Shannon sampling frequency from the sampling
theorem.
The natural frequency of a speed setpoint filter must be lower than the reciprocal value of two speed controller
pulserates.
Speed setpoint filter 1:
MD 15200.01MD 1514 < 1 / (2MD 100131.25 microsec)
Speed setpoint filter 2:
MD 15210.01MD 1517 < 1 / (2MD 100131.25 microsec)
Alarm in SW 5 and higher
300768 Counter bandwidth greater than double blocking frequency Reset key
Cyclic after control power up
With MSD:
S Pulse reset, motor coasts down
S SIMODRIVE_READY and DRIVE_READY are reset.
S Reset error
With FDD:
S Controllers disabled, motor braked
S SIMODRIVE_READY and DRIVE_READY are reset.
S Reset error
Response via MD 1613.0 can be configured as from drive SW 2.
The counter bandwidth of a current or speed setpoint filter is greater than twice the blocking frequency.
This error message is generated for the general band blocking only if:
Speed setpoint filter 1:
MD 1516 > 0.0 or
MD 1520 100.0
Speed setpoint filter 2:
MD 1519 > 0.0 or
MD 1521 100.0
Current setpoint filter 1:
MD 1212 > 0.0
Current setpoint filter 2:
MD 1215 > 0.0
Current setpoint filter 3:
MD 1218 > 0.0
Current setpoint filter 4:
MD 1221 > 0.0
The counter bandwidth must be smaller than double the blocking frequency.
Current setpoint filter 1:
MD 1212 x 2MD 1210
Current setpoint filter 2:
MD 1215 x 2MD 1213
Current setpoint filter 3:
MD 1218 x 2MD 1216
Current setpoint filter 4:
MD 1221 x 2MD 1219
Speed setpoint filter 1:
MD 1516 x 2MD 1514
Speed setpoint filter 2:
MD 1519 x 2MD 1517
Alarm in SW 5 and higher
Scan
Effect
Explanation
Remedy
Note
Scan
Effect
Explanation
Remedy
Note
1 Alarms
1.5.1 Alarm description
07/97

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