NCK alarms
06/2009 Overview of alarms
2-167
© Siemens AG 2009 All Rights Reserved
SINUMERIK 802D sl, Diagnostics Manual, 06/2009
21618 [Channel %1: ] As from block %2 transformation active: overlaid motion
too great
Parameters: %1 = Channel number
%2 = Block number, label
Definitions: The share of overlaid motion on the transformation-related axes is so high that the path movement
planned by the preparation no longer sufficiently corresponds to the actual ratio for the interpolation.
Strategy of singularities, monitoring of working range limitation and dynamic Look Ahead are possibly
no longer correct.
Reaction: Alarm display.
Remedy: With overlaid motion it is necessary to keep a sufficiently large path safety distance with regard to
poles and working range limitations.
Program Con-
tinuation:
Clear alarm with the Delete key or NC START.
21619 [Channel %1: ] Block %2 transformation active: motion not possible
Parameters: %1 = Channel number
%2 = Block number, label
Definitions: The machine kinematics does not allow the specified motion. Transformation-dependent error causes
can be in:
TRANSMIT: A (circular) area exists around the pole, where positioning is not possible. The area is
caused by the fact that the tool reference point cannot be traversed as far as into the pole. The area
is defined by:
- the machine data (MD249.. $MC_TRANSMIT_BASE_TOOL_...)
- the active tool length compensation (see $TC_DP..).
Whether the tool length compensation is included in the calculation depends on the working plane
selected (see G17,..). The machine stops at the edge of the area where positioning is not possible.
Reaction: Local alarm reaction.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Modify part program. Change the incorrectly specified tool length compensation.
Note: RESET alone is not enough if transformation also remains active during RESET.
Program Con-
tinuation:
Clear alarm with the RESET key. Restart part program
21700 [Channel %1: ] Block %3 axis %2 touch probe already deflected, edge
polarity not possible
Parameters: %1 = Channel number
%2 = Axis name, spindle number
%3 = Block number
Definitions: The probe programmed under the keyword MEAS or MEAW is already deflected and has switched.
For a further measuring operation, the probe signal must first be canceled (quiescent state of the
probe).
The axis display is of no significance at the present time but an axis-specific evaluation has been
planned for later stages of development.
Reaction: Local alarm reaction.
NC Start disable in this channel.
Interface signals are set.
Alarm display.
NC Stop on alarm.
Remedy: Verify the starting position of the measuring operation or check the probe signals in the PLC interface
V2700 0001.0 / .1 (Probe actuated key 1/key 2). Are the cables and connectors in good order?
Program Con-
tinuation:
Clear alarm with the RESET key. Restart part program
21701 [Channel %1: ] Block %3 axis %2 measurement not possible
Parameters: %1 = Channel number
%2 = Axis name, spindle number
%3 = Block number
(12 Seiten)
(116 Seiten)
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