Siemens SINUMERIK 802D sl Manuale dell'Operatore Scaricare il pdf (Pagina 182)

Overview of alarms 06/2009

NCK alarms

2-182

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

25201 Axis %1 drive fault

Parameters: %1 = Axis name, spindle number

Definitions: For PROFIdrive:

The drive signals a serious fault which prevents the drive from being ready. The exact cause of the

fault can be found by evaluating the additionally output drive alarms (It may be necessary to activate

these diagnostic alarms by parameterizing the MDs DRIVE_FUNCTION_MASK,

PROFIBUS_ALARM_ACCESS etc):

Alarms 380500 and 380501 (or the corresponding alarm numbers implemented on the HMI side).

The alarm can be reprogrammed in the MD11412 $MN_ALARM_REACTION_CHAN_NOREADY

(channel not ready).

Reaction: Mode group not ready.

The NC switches to follow-up mode.

Channel not ready.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

Channel not ready.

Remedy: Evaluation of the drive alarms listed above.

Program Con-

tinuation:

Clear alarm with the RESET key in all channels of this mode group. Restart part program.

25202 Axis %1 waiting for drive

Parameters: %1 = Axis name, spindle number

Definitions: Drive group error (self-clearing).

Reaction: Interface signals are set.

Alarm display.

Remedy: For PROFIdrive only:

Wait for the drive. This alarm reveals similar problems to alarm 25201 (see that alarm). It is continu-

ously active during power-up if the drive does not communicate (e.g. if the PROFIBUS connector has

fallen out). Otherwise, the alarm is active only briefly and is replaced by alarm 25201 after an internal

timeout in the event of a permanent problem.

Program Con-

tinuation:

Alarm display showing cause of alarm disappears. No further operator action necessary.

26000 Axis %1 clamping monitoring

Parameters: %1 = Axis name, spindle number

Definitions: The clamped axis has been pushed out of its setpoint position. The permissible difference is defined

in the axis-specific MD36050 $MA_CLAMP_POS_TOL.

Clamping an axis is activated with the axis-specific interface signal V380x 0002.3 (Clamping process

active).

The alarm can be reprogrammed in the MD11412 $MN_ALARM_REACTION_CHAN_NOREADY

(channel not ready).

Reaction: Mode group not ready.

The NC switches to follow-up mode.

Channel not ready.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

Channel not ready.

Remedy: Determine the position deviation to the setpoint position and, depending on the results, either increase

the permissible tolerance in the MD or mechanically improve the clamping (e.g. increase clamping

pressure).

Program Con-

tinuation:

Clear alarm with the RESET key in all channels of this mode group. Restart part program.

26001 Axis %1 parameterization error: friction compensation

Parameters: %1 = Axis name, spindle number

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Siemens SINUMERIK 802D sl Manuale dell'Operatore Pagina 182

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Siemens SINUMERIK 802D sl Manuale dell'Operatore Pagina 182

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