HEIDENHAIN TNC 407 (243 020) Technical Manual User Manual
Page 372

Other PLC operands which are used:
Marker
Function
Set
Reset
M2046
Strobe signal T code (P code) with TOOL CALL
NC
NC
M2047
Strobe signal T code (P code) with TOOL DEF
NC
NC
M2093
Another T code (P code) follows with TOOL CALL
NC
NC
M2403
Special tool called (TOOL CALL)
NC
NC
M2483
Feedback T code (P code) with TOOL CALL
PLC
PLC
M2484
Feedback T code (P code) with TOOL DEF
PLC
PLC
M2600
Sequence of tool number or
PLC
PLC
pocket number transfer (M2093 = 1)
M2601
Special tool to original pocket despite
PLC
PLC
variable pocket coding
W262
Pocket number
W264
Tool number
Machine parameters used:
MP7260 = 90
Number of tools in tool table
MP7261 = 12
Number of pockets in tool magazine
MP7264 = 1
Number of pockets vacant beside special tool
MP7480.0 = 4 Output of pocket number and tool number with every TOOL CALL block
MP7480.1 = 4 Output of pocket number and tool number with every TOOL DEF block
The sequence diagram for this tool changer is subdivided into modules.
List of modules (subroutines):
-
TOOL DEF
Search tool and load in GRE1
-
TOOL CALL
Automatic tool-change
-
STANDBY
Search tool and load in GRE1
-
STANDBY BACK
Return tool from GRE1 to magazine
-
MANUAL TOOL IN
Manual tool follows Normal or Special tool
-
MANUAL TOOL OUT
Normal or Special tool follows Manual tool
-
MANUAL OUT/IN
Manual tool follows Manual tool
-
CHANGE
Take old tool out and put new tool in
-
COMPUTE SHORTEST PATH
-
COMPARE P-CODE WITH ISTREG
-
COMPARE GRE1 WITH ISTREG