Detailed description
2.12 Block descriptions
Power Line Basic PLC Program (P3)
2-170 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
//modal
SpindleHold := db2.dbx151.0)
;
//Spindle stop modal
//in message
DB
CALL FC 10 ( //Error and operational
messages
ToUserIF := TRUE, //Signals transferred from
DB2
//to interface
Ack := I6.1); //Acknowledgment of error
messages
//via I 6.1
END_ORGANIZATION_BLOCK
2.12.12 FC 3: GP_PRAL Basic program, interrupt controlled section
Description of functions
Block synchronized transfers from the NCK to the PLC (auxiliary and G functions) are carried
out in the interruptdriven part of the basic program. Auxiliary functions are subdivided into
normal and highspeed auxiliary functions. The highspeed functions of an NC block are
buffered and the transfer acknowledged to the NC. These are passed to the application
interface at the start of the next OB1 cycle. Normal auxiliary functions are only
acknowledged when they have existed for the duration of one cycle. This allows the
application to issue a read disable to the NC.
Highspeed auxiliary functions programmed immediately one after the other, are not lost for
the user program. This is ensured by a mechanism in the basic program.
The G functions are evaluated immediately and passed to the application interface.
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