Siemens Sinumerik 840C Diagnostics Manual page 81

04/96
1280* Illegal working area limitation
S
Scan
Cyclic
Effect
The control automatically enters the maximum possible value for the traversing range in the working area limita-
tion.
Explanation
A value has been entered in the minimum or maximum axis-specific working area limitation which is outside the
permissible traversing range of the axis in question.
S
Remedy
Check input
S
Check program (G25, G26, @..)
S
Take maximum traversing range from table (combination of axis-specific position control resolution and input
resolution).
Note
Applies as from SW 3
1284* Fixed stop not reached
Scan
In the block or on every block change
S
Effect
Alarm is triggered
S
Machining stops
Explanation
Alarm 1284* is output when the fixed stop is not between the starting and target position in the selection block and
no R parameter has been programmed for function acknowledgement in the selection block.
Remedy
Ensure that the fixed stop is between the starting and target position in the selection block. Also enter the R pa-
rameter number for the function acknowledgement in the selection block.
Note
Applies as from SW 3
1288* No fixed stop axis
Scan
In a block or on every block change
S
Effect
Programmed path in block is not traversed
S
Machining stops
Explanation
The function, Move Against Fixed Stop, has been selected for an axis which cannot traverse to the fixed stop.
Remedy
Select the function Move Against Fixed Stop for an axis which is able to. Set MD 1804* for the axis which is to
move against the fixed stop.
Note
Applies as from SW 3
1292* Axis at fixed stop
Scan
In a block or on every block change
Effect
Path programmed in block is not traversed
Explanation
The axes which have moved to the fixed stop cannot be included in an interpolation grouping while the function
Move Against Fixed Stop is active.
Remedy
Deselect the function move against fixed stop for the axis which is to be part of an interpolation grouping.
Note
Applies as from SW 3
1296* Clamping tolerance exceeded
Scan
While moving against fixed stop
S
Effect
Interlocking of NC START
S
Setpoint 0
S
No servo enable
S
Follow-up mode
Explanation
The alarm is triggered if the fixed stop is moved away from by more than the tolerance set in MD 1284*.
Remedy
Check parameter settings
Note
Applies as from SW 3
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SINUMERIK 840C / SIMODRIVE 611–D (DA)
1 Alarms
1.5.1 Alarm description
Acknowledgement key
Reset key
Reset key
Reset key
Reset key
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