Siemens SINUMERIK 802D sl Betreibershandbuch PDF herunterladen (Seite 187)

NCK alarms

06/2009 Overview of alarms

2-187

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

Interface signals are set.

Alarm display.

NC Stop on alarm.

Remedy: If possible, modify the measuring motion such that the axis concerned does not have to travel; do not

program this axis in the MEAS block again. However, it is then no longer possible to query a measured

value for this axis. Otherwise, exchange the controller module for one that supports measuring. See

MD13100 $MN_DRIVE_DIAGNOSIS[8].

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

26022 Axis %1 encoder %2 measurement with simulated encoder not possible

Parameters: %1 = NC axis number

%2 = Encoder number

Definitions: Alarm occurs on the control when a measurement was made without the encoder hardware (simulated

encoder).

Reaction: Local alarm reaction.

NC Start disable in this channel.

Interface signals are set.

Alarm display.

NC Stop on alarm.

Remedy: - Please inform the authorized personnel/service department.

- If possible, modify the measuring motion such that the axis concerned does not have to travel; do

not program this axis in the MEAS block again. However, it is then no longer possible to query a mea-

sured value for this axis.

- Ensure that measurement is not taking place with simulated encoders (MD30240 $MA_ENC_TYPE).

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

26024 Axis %1 machine data %2 value changed

Parameters: %1 = Axis name, spindle number

%2 = String: MD identifier

Definitions: The machine data contains an invalid value and therefore has been changed by the software.

Reaction: Alarm display.

Remedy: Check MD.

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

26025 Axis %1 machine data %2[%3] value changed

Parameters: %1 = Axis name, spindle number

%2 = String: MD identifier

%3 = Index: MD array index

Definitions: The machine data contains an invalid value. It was therefore changed by the software internally to a

valid value.

Reaction: Alarm display.

Remedy: Check MD.

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

26030 Axis %1 encoder %2 absolute position lost

Parameters: %1 = Axis name, spindle number

%2 = Encoder number

Definitions: The absolute position of the absolute encoder has become invalid because

- on changing parameter block a changed gear stage ratio was identified between encoder and pro-

cessing or

- the encoder has been replaced (the absolute encoder's serial number has changed, see MD34230

$MA_ENC_SERIAL_NUMBER, and drive-specific parameters).

Reaction: Mode group not ready.

The NC switches to follow-up mode.

Channel not ready.

NC Start disable in this channel.

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