Siemens SINUMERIK 810D - Page 748

Overview of Alarms 11/2006
SIMODRIVE alarms
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© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
300767 Axis %1 drive %2 natural frequency > Shannon frequency
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The natural frequency of a speed setpoint filter is greater than the Shannon sampling frequency from
the sampling theorem.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY (channel not
ready).
Reaction: NC not ready.
The NC switches to follow-up mode.
Channel not ready.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Channel not ready.
Remedy: Please inform the authorized personnel/service department.
The natural frequency in Hz of a speed setpoint filter must be less than the reciprocal value of two
speed controller cycles.
Speed setpoint filter 1:
MD 1520 * 0.01 * MD 1514 < 1 / ( 2 * MD 1001 * 31.25 microsec)
Speed setpoint filter 2:
MD 1521 * 0.01 * MD 1517 < 1 / ( 2 * MD 1001 * 31.25 microsec)
- Modify MD 1520: $MD_SPEED_FILTER_1_BS_FREQ (bandstop filter natural frequency speed
setpoint filter 1)
- Modify MD 1514: $MD_SPEED_FILTER_1_SUPPR_FREQ (suppression frequency speed setpoint
filter 1) 1)
- Modify MD 1521: $MD_SPEED_FILTER_2_BS_FREQ (bandstop filter natural frequency speed
setpoint filter 2)
- Modify MD 1517: $MD_SPEED_FILTER_2_SUPPR_FREQ (suppression frequency speed setpoint
filter 2) 2)
- Modify MD 1001: $MD_SPEEDCTRL_CYCLE_TIME (speed controller cycle)
Program
Continuation:
Clear alarm with the RESET key in all channels. Restart part program.