Siemens SINUMERIK 802D sl Návod k obsluze stáhnout pdf (Strana 155)

NCK alarms

06/2009 Overview of alarms

2-155

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

18400 [Channel %1: ] Block %2 language change not possible:%3

Parameters: %1 = Channel number

%2 = Block number, label

%3 = Cause

Definitions: The selection of an external NC language is not possible due to the reason specified. The following

reasons are possible (see parameter 3):

1. Invalid machine data settings

2. Active transformation

Reaction: Interpreter stop

NC Start disable in this channel.

Interface signals are set.

Alarm display.

Remedy: Remedy the specified cause of the error before selecting the language.

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

20000 [Channel %1: ] Axis %2 reference cam not reached

Parameters: %1 = Channel number

%2 = Axis name, spindle number

Definitions: After starting the reference point approach, the rising edge of the reduction cam must be reached

within the section defined in the MD34030 $MA_REFP_MAX_CAM_DIST (phase 1 of referencing).

(This error occurs only with incremental encoders).

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.

There are 3 possible causes of error:

1. The value entered in MD34030 $MA_REFP_MAX_CAM_DIST is too small.

Determine the maximum possible distance from the beginning of reference motion up to the reduction

cam and compare with the value in MD34030 $MA_REFP_MAX_CAM_DIST, increase the value in

the MD if necessary.

2. The cam signal is not received by the PLC input module.

Operate the reference point switch manually and check the input signal on the NC/PLC interface

(route: Switch! Connector! Cable! PLC input! User program).

3. The reference point switch is not operated by the cam.

Check the vertical distance between reduction cam and activating switch.

Program Con-

tinuation:

Clear alarm with the RESET key. Restart part program

20001 [Channel %1: ] Axis %2 no cam signal present

Parameters: %1 = Channel number

%2 = Axis name, spindle number

Definitions: At the beginning of phase 2 of reference point approach, the signal from the reduction cam is no longer

available.

Phase 2 of reference point approach begins when the axis remains stationary after deceleration to the

reduction cam. The axis then starts in the opposite direction in order to select the next zero marker of

the measuring system on leaving the reduction cam or approaching it again (negative/positive edge).

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. Check whether the deceleration path

after the approach velocity is greater than the distance to the reference point cam - in which case the

axis cannot stop until it is beyond the cam. Use a longer cam or reduce the approach velocity in

MD34020 $MA_REFP_VELO_SEARCH_CAM.

When the axis has stopped at the cam, it must be checked whether the signal V380x1000.7 (Decel-

eration reference point approach) is still available at the interface to the NCK.

- Hardware: Wire break? Short circuit?

- Software: User program?

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