Siemens SINUMERIK 840Di Function Manual page 1096

Detailed description
2.12 Block descriptions
Status = 5:
The operation is complete.
The "new" tool is in the position specified in parameters "NewToolMag", "NewToolLoc". In
this case, the specified tool is not really in this position, but is still in the same magazine
location. However, this magazine location has been moved to the position set in the
parameters (e.g., tool change position). This status may be used only for revolvers, chain-
type magazines and disk magazines. Status 5 enables the tool management function to
adjust the current position of a magazine and to improve the search strategy for subsequent
commands. This status is permissible only in conjunction with loading, unloading, and
reloading operations and with preparations for a tool change.
The "OldToolMag" and "OldToolLoc" parameters must be parameterized with the data of a
buffer.
• Loading, reloading:
• Tool-change preparation:
• Positioning to load point:
Status = 6:
The tool management job is completed.
This status has the same function as status 1, but, in addition, a reservation of the source
location is carried out. This status is only permitted when reloading. The command is ended
and the source location of the tool is reserved if the target location is in a buffer magazine.
STATUS = 7:
Repetition of the "Prepare Tool" command initiated.
This status is only admissible in conjunction with the Prepare Tool Change command. This
status is intended for use when the "new" tool has changed its position (e.g., via an
asynchronous command of the "new" tool).
After "Ready = 1" has been provided by FC 8, the
"Prepare Change" command is repeated automatically with the same tool.
For the automatic repetition, a new tool search is carried out.
The positions in parameters "NewToolMag", "NewToolLoc", "OldToolMag", "OldToolLoc"
must correspond to the original positions of the tools.
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On loading or reloading, a location for the tool is already reserved in the NCK. The
machine operator must then insert the tool at the target location. Notice: The location
reservation is canceled when the control system is switched on again.
Tool motions still to be executed are not carried out until after the tool has been changed.
If the bit in the interface in DB 71.DBX (n+0).3 "positioning to load point" is enabled,
status 5 (not status 1) cannot be used for the function termination.
Power Line Basic PLC Program (P3)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0