Detailed Description
2.5 Toolholder with orientation capability
Basic logic functions: Tool Offset (W1)
116 Function Manual, 11/2006, 6FC5397-0BP10-2BA0
2.5.5 Procedure when using toolholders with orientation capability
Creating a toolholder
The number of toolholder data sets available in the NCK is defined by the machine data:
MD18088 $MN_MM_NUM_TOOL_CARRIER
1. The value is calculated as follows:
MD18088 $MN_MM_NUM_TOOL_CARRIER =
"number of TO units" * "number of toolholder data sets of a TO unit"
MD18088/"number of TO units" is permanently allocated to each TO unit.
Note
For more information about defining and assigning a TO unit via machine data:
MD28085 $MC_MM_LINK_TOA_UNIT,
see:
References:
/FB/Description of Functions, Extended Functions; Memory Configurations (S7).
2. Zero setting of toolholder data:
You can use the command
$TC_CARR1[0] = 0
to zero all values of all data sets.
Individual toolholder data sets can be deleted selectively with the NC command DELTC or
the PI service _N_DELTCAR.
3. Accessing the data of a toolholder:
– Part program
→ $TC_CARRn[m] = value
This describes the previous value of the system variables n for toolholder m with the
new value "value".
→ value = $TC_CARRn[m]
With "def real value" - the parameters of a toolholder m can be read if they have
already been defined (e.g., set MD18088). Otherwise, an alarm is signaled.
– OPI interface
The parameters of a toolholder with orientation capability can be read and written with the
NCKHMI (OPI) variable services using system variable $P_TCANG[<n>].
4. Data backup:
The system variables specified above are saved as part of the general NCK data backup.
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