Siemens SINUMERIK 802D sl Manuel de l'opérateur télécharger pdf (Page 140)

Overview of alarms 06/2009

NCK alarms

2-140

SINUMERIK 802D sl, Diagnostics Manual, 06/2009

16941 [Channel %1: ] Action %2<ALNX> rejected because no program event

has been executed yet

Parameters: %1 = Channel number

%2 = Action number/action name

Definitions: The setting of the MD20108 $MC_PROG_EVENT_MASK forces an asynchronous subprogram to be

triggered automatically on RESET or PowerOn. The implicitly triggered asynchronous subprograms

are normally called "Event-triggered program call" or "Program event".

In the alarm situation, this asynchronous subprogram could not yet be activated; that is why the action

(normally start of part program) must be rejected.

Reasons for the fact that the asynchronous subprogram could not be triggered:

1. The asynchronous subprogram does not exist (/_N_CMA_DIR/_N_PROG_EVENT_SPF)

2. The asynchronous subprogram is allowed to start in the referenced state only (see MD11602

$MN_ASUP_START_MASK)

3. READY is missing (because of alarm)

Reaction: Alarm display.

Remedy: Load program

Check MD11602 $MN_ASUP_START_MASK

Acknowledge alarm

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

16944 [Channel %1: ] Action %2<ALNX> not possible due to active search

blocks

Parameters: %1 = Channel number

%2 = Action number/action name

Definitions: The NCK is currently processing either the action blocks of the search run or the approach motion after

the search run. In this situation, the action (2nd parameter of the alarm) must be rejected. Currently,

only the integrated search run is rejected with this alarm. The integrated search run is activated, if

search run is triggered in the Stop program state. In other words: Parts of a program have already

been executed and a following program part is "skipped" with search run in order to continue the pro-

gram afterwards.

Reaction: Alarm display.

Remedy: Repeat the action after the approach motion of the search run.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

16945 [Channel %1: ] Action %2<ALNX> delayed up to the block end

Parameters: %1 = Channel number

%2 = Action number/action name

Definitions: The currently executing action (e.g. dry run on/off, change skip levels, etc.) should be active immedi-

ately, but it can become active not earlier than at the end of the block, since a thread is currently being

machined. The action is activated with a slight delay.

Example: Dry run is started in the middle of the thread, then traversing at high speed does not start

before the next block.

Reaction: Alarm display.

Remedy: Alarm can be switched off via MD11410 $MN_SUPPRESS_ALARM_MASK bit17==1.

Program Con-

tinuation:

Clear alarm with the Delete key or NC START.

16950 [Channel %1: ] Search run with hold block

Parameters: %1 = Channel number

Definitions: Informational alarm.

The search run was not performed on the interruption block, instead, it touches down shortly before

that. This so-called "hold block" is generated by the part program command IPTRLOCK, or implicitly

defined by MD22680 $MC_AUTO_IPTR_LOCK. This is to prevent you from performing a search run

in critical program areas (e.g. gear hobbing). The alarm also displays that, instead of searching for the

block that actually was interrupted before, another block is being searched for. This behavior is

desired and the alarm serves only informational purposes.

Reaction: Alarm display.

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