Siemens SINUMERIK 840Di Diagnostic Manual page 733

11/2006
300735 Axis %1 drive %2 field weakening speed invalid
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: The value in MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field weakening) is
less than or equal to zero.
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.
Remedy: 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).
Program Switch control OFF - ON.
Continuation:
300736 Axis %1 drive %2 Lh characteristic invalid
Parameters: %1 = NC axis number
%2 = Drive number
Definitions: 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 (threshold speed for field
weakening) or the value in MD 1144: $MD_LH_CURVE_GAIN (LH curve gain) is less than 100.
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.
Remedy: 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)
- Modify MD 1142: $MD_FIELD_WEAKENING_SPEED (threshold speed for field weakening) should
be checked and, if necessary corrected.
- Call the SIEMENS AG, SIMODRIVE Hotline.
Program Switch control OFF - ON.
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
SIMODRIVE alarms
2-733