References
A comprehensive description of
the tool and magazine parameters and the data structure can
be found in:
● SINUMERIK 840D sl Description of Functions: Tool management
As far as the range of functions is concerned, the NC part of this documentation is also
valid for the SINUMERIK 828D. The description of the PLC functions and the
communication between NC and PLC in this manual is not valid for the SINUMERIK 828D.
● SINUMERIK 828D List Manual: "Machine data"
● SINUMERIK 828D List Manual: "NC variables and interface signals"
● The user interface of the tool management is described in: SINUMERIK Operate
Commissioning Manual /828D_IH9/
9.1.2 Structure of the tool management
Function structure
The software components of the control have the following tasks in the tool management:
● NC:
The tool management administrates the magazine locations. These locations might be
empty, loaded with tools or assigned to oversized tools in adjacent locations. Empty
locations can be loaded with other tools. The tool management provides the machine
manufacturer with optimum management of tools and magazine locations. Magazine
management provides extended functions such as load, unload or position tools. It also
includes searches for tools, magazine locations and search strategies for replacement
tools.
For the tool monitoring functions, while the active monitoring is running, tools are disabled
and no longer used. To continue machining, an equivalent tool (replacement tool) that is
not blocked is used automatically, when available.
– TO area: All data that is required for the tool management (tool and magazine data) is
in the NC in the TO area.
– TO unit (TOA): For each channel, a maximum of one separate TO unit can be set up
as subset of the NC TO area. A TO unit represents an independent area of the tool
management. There is no connection between the TO units. Several channels can be
assigned to one TO unit. However, one channel cannot be assigned to several TO units.
Two-channel systems are preset, so that each channel is assigned its own TO unit
(MD28085 $MC_MM_LINK_TOA_UNIT).
Tool management
9.1 Fundamentals
CNC commissioning
252 Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
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