Siemens SINUMERIK 840D sl Function Manual page 636

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2.6 Block search Type 5 SERUPRO

Inhibit specific part of the program in the part program for SERUPRO

Programmed interrupt pointer

As a general rule, only the user of the machine knows the mechanical situation that is

currently being executed in the program. The user can use a "programmable interrupt

pointer" to suppress SERUPRO at a particular point in the program where complex

mechanical conditions prevail to enable user intervention.

Through suitable manipulation of the interrupt pointer, it is possible, with "search for interrupt

point", to resume processing to the search-suppressed location prior to the search-

suppressed location. Search-suppressed areas can also be defined in areas of the part

program in which the NCK is not allowed to resume processing.

The last block processed before the search-suppressed target area is used as a search

Input program section

The IPTRLOCK and IPTRUNLOCK language commands mark search-suppressed sections

of the program. These language commands cannot be used in synchronized actions.

Freezes the interrupt pointer at the next "machine function block". This block is referred to

below as the Hold block. If a program abort occurs after IPTRLOCK, then the hold block is

used as a search pointer.

Machine function block

Is a single block (SBL1) that can be executed in the main run with a stop after each function

The interrupt pointer is repositioned at the current block at the time of the interrupt for the

subsequent program section.

When a search target is found, the interrupt pointer is set to the hold block. The block search

can be repeated for a new search target with the same hold block.

A search-suppressed area in the part program can be detected using the $P_IPRTLOCK

Start of search-suppressed program section

End of search-suppressed program section

Basic logic functions: Mode group, channel, program operation, reset response (K1)

Function Manual, 11/2006, 6FC5397-0BP10-2BA0

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