Siemens SINUMERIK 840Di Diagnostic Manual page 201

11/2006
14040 Channel %1 block %2 error in end point of circle
Parameters: %1 = Channel number
%2 = Block number, label
Definitions: In circular interpolation, either the circle radii for the initial point and the end point are further apart, or
the circle center points are further apart, than specified in the machine data.
1. In circle radius programming the starting and end points are identical, thus the circle position is not
determined by starting and end points.
2. Radii: The NCK calculates from the present start point and the other programmed circle parameters
the radii for the start and the end point.
An alarm message is issued if the difference between the circle radii is either
- greater than the value in the MD 21000 CIRCLE_ERROR_CONST (for small radii, if the programmed
radius is smaller than the quotient of the machine data CIRCLE_ERROR_CONST divided by 21010
CIRCLE_ERROR_FACTOR), or
- greater than the programmed radius multiplied by the MD CIRCLE_ERROR_FACTOR (for large
radii, if the programmed radius is greater than the quotient of the machine data
CIRCLE_ERROR_CONST divided by CIRCLE_ERROR_FACTOR).
3. Center points: A new circle center is calculated using the circle radius at the starting position. It lies
on the mid-perpendicular positioned on the connecting straight line from the starting point to the end
point of the circle. The angle in the radian measure between both straight lines from the starting point
to the center calculated/programmed as such must be lower than the root of 0.001 (corresponding to
approx. 1.8 degrees).
Reaction: Correction block is reorganized.
Interface signals are set.
Alarm display.
Remedy: Please inform the authorized personnel/service department. Check MD 21000
CIRCLE_ERROR_CONST and 21010 CIRCLE_ERROR_FACTOR. If the values are within
reasonable limits, the circle end point or the circle mid-point of the part program block must be
programmed with greater accuracy.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
14045 Channel %1 block %2 error in tangential circle programming
Parameters: %1 = Channel number
%2 = Block number, label
Definitions: The alarm may have the following causes:
The tangent direction is not defined for tangent circle, e.g. because no other travel block has been
programmed before the current block. No circle can be formed from start and end point as well as
tangent direction because - seen from the start point - the end point is located in the opposite direction
to that indicated by the tangent.
It is not possible to form a tangent circle since the tangent is located perpendicular to the active plane.
In the special case in which the tangent circle changes to a straight line, several complete circular
revolutions were programmed with TURN.
Reaction: Correction block is reorganized.
Local alarm reaction.
Interface signals are set.
Alarm display.
NC Stop on alarm at block end.
Remedy: Modify part program.
Program Clear alarm with NC START or RESET key and continue the program.
Continuation:
© Siemens AG, 2006. All rights reserved
SINUMERIK, SIMODRIVE Diagnostics Manual (DA), 11/2006 Edition
Overview of Alarms
NCK alarms
2-201