Siemens IP-Module Manual Pagina 318

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STEP 5 Programming IP 266
FB 24 - TRANSFER
In the example, the TRANSFER command is allowed only as long as the job is not
yet "TERMINATED". It is used to forward a speed modification (override) or start
a traversing program block in Single Block mode.
no
Evaluate auxiliary
and edge flags in
dependence on the
input
Job terminated?
yes
Edge flag = 0?
no
Load bit 4 = 1 into
FY 6
END
START
Programming the auxiliary and edge flags for the TRANSFER
command
When job terminated abort
A I 66.7
BEC
Programming the auxiliary and edge flags
A I 3.5 TRANSFER
AN F 4.6
= F 4.7 EDGE FLAG
A I 3.5 TRANSFER
= F 4.6
Edge flag not yet set abort
AN F 4.7
BEC
L KB 16 TRANSFER COMMAND
TFY6
BE
FB 24 - NAME:TRANS
yes
FB 25 - TOGGLE bit
The TOGGLE bit must be inverted to enable the IP 266 to recognize a job as being
a new job.
If the nth job was started with TOGGLE = "1", job n + 1 must be started with
TOGGLE = "0". In FB 25, the STEP 5 operations AW and OW were used to invert
the TOGGLE bit.
9-30
EWA 4NEB 812 6057-02
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