Siemens SINUMERIK 802D sl Manuel de l'opérateur télécharger pdf (Page 175)

NCK alarms

06/2009 Overview of alarms

2-175

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

1. 'Position' (without a preceding axis identifier): The maximum feed of the thread axis is reached at

the displayed axis position.

2. 'Master spindle': The position control for the spindle has been changed during thread cutting. This

can lead to inaccurate thread cutting.

3. 'Thread axis, velocity': The axis to which the lead refers is displayed. This cannot follow the spindle

specifications. The maximum possible axis velocity is shown as a parameter.

The velocity of the thread axis basically depends on:

- The programmed thread pitch

- The programmed thread pitch change and thread length (G34, G35)

- The defined spindle speed (part program, synchronized action)

- The spindle override (path and individual axis overrides are ineffective)

Reaction: Alarm display.

Remedy: Reduce the spindle speed (pitch, pitch change).

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

22275 [Channel %1: ] Block %2 zero velocity of thread axis at position %3

reached

Parameters: %1 = Channel number

%2 = Block number, label

%3 = Position

Definitions: An axis standstill was reached at the specified position during thread cutting with G35 due to the linear

decrease in the thread pitch. The standstill position of the thread axis depends on:

- Programmed thread pitch decrease

- Thread length

Reaction: Alarm display.

Remedy: Change at least one of the above factors.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

22280 [Channel %1: ] In block %2: Prog. acceleration path too short %3, %4

required

Parameters: %1 = Channel number

%2 = Block number, label

%3 = Prog. acceleration path

%4 = Required acceleration path

Definitions: In order to stay within the programmed acceleration path, the acceleration caused an overload on the

thread axis. In order to accelerate the axis with the programmed dynamic response, the length of the

acceleration path must be at least as large as the value in parameter %4.

The alarm is of the technological type and is output whenever bit 2 in MD11411

$MN_ENABLE_ALARM_MASK is enabled. The HMI softkey 'Technology support' sets and clears this

bit in the MD.

Reaction: Alarm display.

Remedy: Modify part program or reset MD11411 $MN_ENABLE_ALARM_MASK bit 2.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

22321 [Channel %1: ] Axis %2 PRESET not allowed during traverse motion

Parameters: %1 = Channel number

%2 = Block number, label

Definitions: A preset command was given from HMI or PLC while an axis was traveling in JOG mode.

Reaction: Interface signals are set.

Alarm display.

Remedy: Wait until the axis is stationary.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

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Siemens SINUMERIK 802D sl Manuel de l'opérateur Page 175

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