Siemens SIMATIC FM 453 Manual page 113

Example call An example call is shown below for FC RD_COM
STL
...
O DB_FM.JOB_RD.BUSY;
O DB_FM.JOB_RD.IMPOSS;
SPB DARD;
L B#16#66;
T DB_FM.JOB_RD.NO;
DARD: CALL RD_COM(
DB_NO := W#16#1,
RET_VAL := FEHLERCODE_LESEN)
UN BIE;
S FEHLER_LESEFKT;
...
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01
Programming the FM 453
.
Explanation
// Read job busy
// Read job processing impossible
// Jump to call
// Read job 102 for basic operating data
// Store in job box
// Call read data FC
// DB number
// Return value
// Binary result
// Error on initialization
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