11.92 9 Examples
9.2.13 FB 173 Display selection loading/unloading
9.2.13 FB 173 BE-ENTL
Display selection loading/unloading
Description
Display selection loading/unloading:
A check is made whether bit D 1.0 "Disable loading/unloading" is set at the user interface
DB 146/DW 1 to DW 5. If this is the case, the block stops execution and initiates the display of
an error message on the screen.
A check is made whether a valid number for the loading magazine is entered in the machine
data DB 146/DW 136 and whether the magazine is a fictitious magazine or not. If it is a
fictitious magazine, processing is aborted and display selection is disabled as no D no. is
assigned (in case of an error, error message and abort).
If no D number is entered in the reference list of the loading line (DW 2), an unassigned
D number is requested by the TO memory management and the loading line deleted.
NC and PLC pointers are initialized.
Block data
Lib. No. : 10050
FBs to be loaded : FB 130, FB 131, FB 132, FB 170
DBs to be loaded : None
Type of FB call : Conditional in FB 160
DBs to be input : None
Error messages : 13: No unassigned D number available
15: Invalid magazine No. in DB 146/DW 136.
21: Loading/unloading not permissible
32: Fictitious magazine
Block call FB 173
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FB BE-ENTL
DB 145, DW 26 ZW FEHL DB 40, DW 50
Signal descriptions
ZW Internal status word
FEHL The cause of the error is stored as an interactive text in DB 40, DW 50.
© Siemens AG 1991 All Rights Reserved 6FC5 197-0AA40-1BP1 9–83
SINUMERIK 840/880 (PJ)
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