Siemens SINUMERIK 828D Commissioning Manual page 289

Jobs: Signal description
Signal description:
● Job:
The interface contains a job. Job processing has not yet been completed with an end
acknowledgment. This signal is reset after transmission of the end acknowledgment to the
tool management.
● Multitool: Data in the multitool area
The interface contains information about the multitool specified in the job.
● Fixed-location coded: The new tool is fixed-location coded.
● Execute tool change:
The new tool is to be loaded into the tool holder / the spindle. The old tool is to be brought
back to a magazine location. This job always requires an end acknowledgment.
● Prepare a tool change:
Initialize new tools. If necessary, position magazine location for old tool at the changing
point. This job requires an individual end acknowledgment. If there is a parallel job "Execute
change," end acknowledgment for the preparation is not necessary.
● T0: T0 has been programmed (empty tool holder / spindle).
● No old tool:
Tool change into the previously empty tool holder / spindle.
● Load manual tool:
A manual tool is to be loaded. SINUMERIK Operate displays the tool which is to be loaded.
● Unload manual tool:
The tool is to be changed via manual operation.
● Tool remains in spindle:
The bit is set at a change from tool holder → spindle to tool holder → spindle. Triggers can
be, for example, reset start mode or block search.
● Source location for the new tool:
Magazine and location number from where the new tool comes (mostly a location in a real
magazine).
● Target location for the old tool:
Magazine and location number to where the old tool is to be transported (mostly a location
in a real magazine).
● Origin of the new tool:
– Internal T number: Internal T number of the new tool
– Tool status: Tool status of the new tool
– Location type: Location type of the new tool
– Size: Size (right, left) of the new tool
● User-definable parameters: Three user-definable parameters which are transferred by the
part program to the PLC user program.
● Multitool: Type:
Type of distance coding: 1 = location number, 2 = length, 3 = angle
CNC commissioning
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3
Tool management
9.3 NC ↔ PLC user interface
275