Diagnostics
11-6
FM 351 Positioning Module
C79000-G7076-C351-02
< 0 = 0 > 0
Communication error
JOB_ERR < 0?
No
Reaction to possible causes:
DB not loaded
DB too short
Incorrect DB number
Gen. programming error
data error
DATA_ERR = 1?
Yes
Job-specific error reaction
No
For all the jobs sent for a chain:
Evaluate error and done bits
_ERR = 1 and
_D = 1
(this job involved
an error)
_ERR = 1 and
_D = 0
(this job was aborted
due to an
earlier job with
an error)
_ERR = 0 and
_D = 1
(job without error)
Poss. job-specific
error reaction, repetition,
restart
Operating errors.
OT_ERR = 1 ?
Yes
No
Reaction to operator error
Call FC ABS_CTRL
Yes
Evaluate return value (RET_VAL) of FC ABS_CTRL
Figure 11-3 User Program with Evaluation of the Error Bits of the Jobs
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