Siemens SINUMERIK 840D Diagnostics Manual page 616
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- Function manual (920 pages) ,
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- Diagnostics manual (622 pages)
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1 Alarms
Reactions:
Remedy:
Program Continuation:
301704
Parameters:
Definitions:
Reactions:
Remedy:
Program Continuation:
301705
Parameters:
Definitions:
Reactions:
1-616
- Mode group not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Please inform the authorized personnel/service department. Encoder type must be
parameterized according to the motor type.
Switch control OFF - ON.
Axis %1 drive %2 pole pair width/division of linear scale (internal) out of range
%1 = NC axis number
%2 = Drive number
With linear motors the pole-pair width and graduations data is used for calculating the
equivalent (internal) pole pair number and (internal) encoder marks. For this it is neces-
sary that the encoder marks correspond to one or x pole pair widths as an integer. This
error message is output if the result is not an integer pole pair width/graduations*x (to
x=16) or if the calculated internal encoder marks value is too high. Absolute interpretation
as an integer if the result is within a +/- 0.001 tolerance.
- Mode group not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Please inform the authorized personnel/service department.
• Long traversing paths: It is advisable to use a length measuring system where the
encoder marks match x* pole pair widths as integer.
• Short traversing paths: With short traversing paths, only a small error can accumulate
and hardly affect the heating and the maximum power that can be reached if the encoder
marks do not comply with the +/-0.001 tolerance. Then it is advisable to slightly modify the
pole pair width:
Example:
Pole pair width: 56.8 mm, graduations: 2.7 µm
=> Pole pair number = 1, encoder marks = 21037.037 => error
Avoid the error by entering pole pair width = 56.7999 mm.
=> Pole pair number = 1, encoder marks = 21037.0 => no error
Switch control OFF - ON.
Axis %1 drive %2 distance-coded scale incorrectly parameterized
%1 = NC axis number
%2 = Drive number
When selecting a distance-coded scale (MD_1011.7=1) it is also necessary to configure a
length measuring system (MD_1011.4=1). In addition, the MDs 1040, 1041 and 1042
must not be zero or negative.
- Mode group not ready.
- Channel not ready.
- NC Start disable in this channel.
- Interface signals are set.
- Alarm display.
- NC Stop on alarm.
Siemens AG, 2004. All rights reserved
SINUMERIK 840D/840Di/810D Diagnostics Guide (DA), 10.04 Edition
10.04
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