01.91 9 Examples
9.2.12 FB 172 Tools selected according to T number
9.2.12 FB 172 WZ-T-NR
Tools selected according to T number
Description
FB 172 initializes the display "Selected tools" with display parameters. The block determines
the required tool in the magazine assignment via the T number entered.
The block first deletes the selection buffer and then selects the tools via the T numbers and
copies them into the selection buffer. DBs 183 to 189 are required as selection buffers (length
= 50 words); they are generated by FB 161 at a cold restart.
The block first searches the buffer and afterwards all chained magazines from the magazine to
be loaded onwards. The following message appears if more than 50 tools are found:
"Selection buffer full!".
If an error occurs during processing, a user-specific text is output together with the
corresponding error message.
Block data
Lib. No. : 10050
FBs to be loaded : FB 111, FB 132, FB 164, FB 172
DBs to be loaded : None
Type of FB call : Conditional in FB 160
DBs to be input : DB 183...DB 189
Error messages : 01: No tool found
02: Magazine not available
03: Illegal criterion
11: Selection buffer full!
Block call FB 172
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FB WZ-T-NR
DB 145, DW 95 ZW
FEHL DB 146, DW 7
Signal descriptions
FEHL The cause of the error is stored as a number of a user-specific text in DB 146, DW 7:
DB 146, DW 7: 01: No tool found
02: Magazine not available
03: Illegal criterion
11: Selection buffer full!
ZW Internal status word
DB 145, DW 95
© Siemens AG 1991 All Rights Reserved 6FC5 197-0AA40-1BP1 9–79
SINUMERIK 840/880 (PJ)