Siemens SINUMERIK 802D sl Manuel de l'opérateur télécharger pdf (Page 168)

Overview of alarms 06/2009

NCK alarms

2-168

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

Definitions: Measurement level 2 (MEASA, MEAWA, MEAC).

There is an error in the programmed measurement task.

Possible causes:

- Invalid measurement mode

- Invalid probe

- Invalid encoder

- Invalid number of measurement signal edges

- Identical measurement signal edges are only programmable in mode 2

- Invalid FIFO number

- Mismatch between the number of FIFOs programmed and the number of probes used in the mea-

surement task.

Further causes:

A measurement task is already active (e.g. from a synchronized action).

Reaction: Local alarm reaction.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

Remedy: Correct the measurement tasks.

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

21702 [Channel %1: ] Block %3 axis %2 measurement aborted

Parameters: %1 = Channel number

%2 = Axis name, spindle number

%3 = Block number

Definitions: The measurement block has ended (the programmed end position of the axis has been reached) but

the activated touch probe has not yet responded.

Measurement level 2 (MEAWA, MEASA, MEAC)

Measured values cannot be converted to the workpiece coordinate system. The measured values of

the GEO axes programmed in the measurement task are only available in the machine coordinate sys-

tem.

Causes:

Not all GEO axes were programmed in the measurement task. At least one measured value is there-

fore missing for conversion back into the workpiece coordinate system.

Further causes:

The measurement tasks programmed for all GEO axis are not identical.

Reaction: Alarm display.

Remedy: Verify the traversing movement in the measurements block.

- Is it necessary in all cases for the activated probe to have switched up to the specified axis position?

- Are the probe, cable, cable distributor, terminal connections in good order?

Either program all GEO axes explicitly or program the traversing movement with the POS[axis] com-

mand.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

21703 [Channel %1: ] Block %3 axis %2 touch probe not deflected, illegal edge

polarity

Parameters: %1 = Channel number

%2 = Axis name, spindle number

%3 = Block number

Definitions: The selected probe is not (!) deflected and therefore cannot record any measured value from the

deflected to the non-deflected state.

Measurement level 2 (MEAWA, MEASA, MEAC)

The degree of deflection of the probe at the start of the measurement task is identical to the first pro-

grammed measurement signal edge. The test is only performed in mode 2.

Reaction: Local alarm reaction.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

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Siemens SINUMERIK 802D sl Manuel de l'opérateur Page 168

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