9 Examples 01.91
9.2.22 FB 183 Manual unloading
9.2.22 FB 183 ENTLADEN
Manual unloading
Description
The function block initiates a tool search. The T and Duplo numbers appearing in the loading
line (DW 2) of the magazine table are used as search keys. The tool search starts from the
loading magazine (defined via machine data, currently in DW 136 of DB 146). If the tool
searched for is not found in this magazine, the tool search is continued in the chained
magazines.
The tool found is output at the interface DB 146, DW 1 to DW 5. There the "Interface valid"
and "Unload location" bits are additionally set. The data of the tool to be unloaded are
displayed.
If the tool cannot be found, the corresponding error message is output.
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Disable loading and unloading
The user can disable
loading/unloading via operat. panel
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DW 1
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Neg. acknowledgement data dist.
(see description of FB 192)
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Pos. acknowledgement data dist.
(see description of FB 191)
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Interface valid
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DW 2
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X XXXX
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Load location
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No empty location found
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Unload location
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Interface DB 146
DW 3
DW 4
DW 5
Magazine number
DW number
Locator number
Special features:
• The flag bytes FY 201 to FY 205 are used for the internal parameter assignment in the
standard FBs. For interrupt processing, these flags must be saved by the user.
• User acknowledgement: The dynamic softkey signal (F 234.1) must be assigned by the
user program to either the positive (F 237.1) or the negative user acknowledgement
(F 236.1) within the same cycle. The user acknowledgement may be present for only one
cycle (by logic operation with the dynamic softkey signal).
9–114
© Siemens AG 1991 All Rights Reserved 6FC5 197-0AA40-1BP1
SINUMERIK 840/880 (PJ)
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