Siemens SINUMERIK 840D sl Series Diagnostics Manual page 882

Overview of Alarms
Definitions: When selecting the rotor position identification (MD1011 bit 12 or bit 13) only converter
frequencies (MD1100) of 4 kHz/8 kHz are permissible.
• Modify MD 1011: $MD_ACTUAL_VALUE_CONFIG (actual value sensing configuration
IM)
• Modify MD 1100: $MD_PWM_FREQUENCY (pulse width modulation frequency)
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
Reactions: - 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.
Change the converter frequency (MD 1100) or deselect rotor position identification
(MD1011 bit 12 or bit 13).
• Modify MD 1011: $MD_ACTUAL_VALUE_CONFIG (actual value sensing configuration
IM)
• Modify MD 1100: $MD_PWM_FREQUENCY (pulse width modulation frequency)
Program Con- Clear alarm with the RESET key in all channels. Restart part program.
tinuation:
300779
Axis %1 drive %2 motor moment of inertia less than or equal to zero
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The value in MD 1117: $MD_MOTOR_INERTIA (motor moment of inertia) is less than or
equal to zero.
The alarm can be reprogrammed in the MD ALARM_REACTION_CHAN_NOREADY
(channel not ready).
Reactions: - 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.
• For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
• For MSD, configure "1st motor" first.
• For third-party motors: Enter a valid value in drive MD 1117: $MD_MOTOR_INERTIA
(motor moment of inertia).
Program Con- Clear alarm with the RESET key in all channels. Restart part program.
tinuation:
300780
Axis %1 drive %2 zero load current > rated motor current
Parameters: %1 = NC axis number
%2 = Drive number
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SINUMERIK 840D sl/840D/840Di/810D Diagnostics Guide (DA), 08/2005 Edition
© Siemens AG, 2005. All rights reserved
08/2005