Siemens SIMATIC FM 453 Manual page 104

Programming the FM 453
Example Call An example call is shown below for FC MODE_WR
STL
...
O DB_FM.JOB_WR.BUSY;
O DB_FM.JOB_WR.IMPOSS;
SPB DAWR;
AT02: U G_STUFE_SETZEN;
SPEN STRS;
L B#16#1;
SPA EINT;
STRS: L B#16#0;
EINT: T DB_FM.JOB_WR.NO;
DAWR: CALL MODE_WR(
DB_NO := W#16#1,
RET_VAL := FEHLERCODE_SCHREIBEN)
UN BIE;
S FEHLER_SCHREIBFKT;
...
6.2.1 Process Write Jobs
Overview
Before a write job is processed, the data area belonging to the write job must
be filled with the appropriate values. The last write job must have finished
processing, i.e. JOB_WR.NO in the user DB (data byte DBB0) must have
been cleared and status bit JOB_WR.DONE enabled.
You initiate a write job by entering the write job no. in JOB_WR.NO.
The following write jobs (JOB_WR.NO) are known:
Legend for the table below:
Operating mode:
6-8
.
Explanation
// Write job busy
// Write job processing impossible
// Jump to call
// Write job no. 1 for velocity level
// Only transfer control signals
// Write job no. in user DB
// FC Write data
// Binary result
// Error on initialization
T – Jogging
STE – Open-loop control
REF – Reference point approach
SM – Incremental relative
MDI – MDI (Manual Data Input)
A/AE – Automatic/Automatic single block
FM 453 Servo Drive / Step Drive Positioning Module
C79000-G7076-C453-01