Siemens SINUMERIK 840D Series Diagnostics Manual page 503

11.02
Reactions:
Remedy:
Program Continuation:
300735
Parameters:
Definitions:
Reactions:
Remedy:
Program Continuation:
300736
Parameters:
Definitions:
Reactions:
Remedy:
 Siemens AG, 2002. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA) – 11.02 Edition
- NC not ready.
- Channel not ready.
- NC Stop on alarm.
- NC Start disable in this channel.
- The NC switches to follow-up mode.
- Alarm display.
- Interface signals are set.
Please inform the authorized personnel/service department.
For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
For third-party motors: Check and, if necessary, refer to the motor data sheet to correct
MD 1136: $MD_MOTOR_NOLOAD_CURRENT (motor no-load current).
Switch control OFF - ON.
Axis %1 drive %2 field weakening speed invalid
%1 = NC axis number
%2 = Drive number
The value in MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field
weakening) is less than or equal to zero.
- NC not ready.
- Channel not ready.
- NC Stop on alarm.
- NC Start disable in this channel.
- The NC switches to follow-up mode.
- Alarm display.
- Interface signals are set.
Please inform the authorized personnel/service department.
For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
For third-party motors: Check and, if necessary, refer to the motor data sheet to correct
MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field weakening).
Switch control OFF - ON.
Axis %1 drive %2 Lh characteristic invalid
%1 = NC axis number
%2 = Drive number
The value in MD 1143: $MD_LH_CURVE_UPPER_SPEED (LH curve upper speed) is
less than or equal to the value in MD 1142: $MD_FIELD_WEAKENING_SPEED (thresh-
old speed for field weakening) or the value in MD 1144: $MD_LH_CURVE_GAIN (LH
curve gain) is less than 100.
- NC not ready.
- Channel not ready.
- NC Stop on alarm.
- NC Start disable in this channel.
- The NC switches to follow-up mode.
- Alarm display.
- Interface signals are set.
Please inform the authorized personnel/service department.
For standard motors: Reset the drive (delete the bootfile) and repeat the startup.
For third-party motors:
• Modify MD 1143: $MD_LH_CURVE_UPPER_SPEED (Lh curve upper speed)
• Modify MD 1144: $MD_LH_CURVE_GAIN (Lh curve gain)
1 Alarms
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