P3: Basic PLC Program for SINUMERIK 840D sl
13.13 Block descriptions
Basic Functions
Function Manual, 09/2011, 6FC5397-0BP40-2BA0
961
Load function
Prepares the specified real magazine for the specified channel for loading, i.e. traverses the magazine to the
selected location for loading at the specified loading point/station (location_number_from,
magazine_number_from) and inserts the tool.
When location_number_to = -1, an empty location for the tool specified by a T number is first sought in the
specified magazine and the magazine then traversed. After execution of the PI, the number of the location found
is listed in the TM area in component magCMCmdPar2 for the real magazine of the channel.
With location_number_to = -2 and a valid magazine number, loading takes place into the currently queued
magazine position of the specified magazine. After execution of the PI, the number of the location for tool loading
is listed in the TM area in component magCMCmdPar2 for the real magazine of the channel.
Unload function
The tool specified by the tool number is unloaded at the specified loading point/station (location_number_to,
magazine_number_to), i.e. the magazine is traversed to the position for unloading and the tool is then removed.
The magazine location for the tool is marked as being free in the TP block. The tool can be specified either using
a T number or by means of the location and magazine numbers. An unused specification has the value -1.
PI service: TMPOSM
Function: Position magazine location or tool
(dependent on parameter assignment):
A magazine location, which has either been specified directly or qualified via a tool located on it, is traversed to a
specified position (e.g. in front of a load location) via the PI service.
The PI service makes a magazine location, which can be qualified in various ways, traverse in front of a specified
load location. The load location must be specified in the PI parameters "location number_from" and "magazine
number_from" (compulsory!).
The magazine location to be traversed can be qualified by the following:
Note
Before and after this PI service, the MMCSEM PI service must be called up with the
associated parameter WVar1 for this PI service. See PI service MMCSEM for more
information.
Parameterization
Signal Type Value range Meaning
PIService ANY PI.TMMVTL Make magazine
location ready for
loading, unload tool
Unit INT 1 ... 10 TOA
WVar1 INT T number
WVar2 INT Location_number_from
WVar3 INT Magazine_number_fro
m
WVar4 INT Location_number_to
WVar5 INT Magazine_number_to
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