HEIDENHAIN TNC 306 Technical Manual - Manual (Page 505)

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TNC 406/TNC 306 Update Information No. 11 3/97
• Output of a logbook (Menu item LOGBOOK OUTPUT under code number 79 513)
Until now, the contents of the control's internal logbook (keys, error messages, PLC messages,
blinking error register) have been accessible only with TNCDIAG.EXE. Now you can access them
directly via RS-232 by using NAME.LNC (in TNC.EXE). This makes it possible, for example, to log
any data from the PLC during the erosion process (with Module 9079) and output them through
the RS-232 interface during or at the conclusion of erosion. If a blinking error message has
occurred at the control, after a restart you can now determine the sequence of keystrokes prior
to the error.
• Upper screen switchover key
With this key you can now switch directly between the normal operating modes and the MOD
functions. By pressing MOD one also accesses this second user interface.
The display and manual editing of Q parameters was also moved to this interface and is
activated with the soft key Q-PAR. During program run all Q parameters can be checked; they
can be changed when the program run is stopped.
• Expanded timing function (TIME.W)
In the Program Run mode the pointer can be set to the beginning of the timing table TIME.W by
pressing the PGM NR and ENT or the soft key RESET. If there is no table yet, it will automatically
be generated during program start.
If a new generator setting goes to the PLC during execution of a program, the program
name, block number, tool number, datum table, datum number, power stage, erosion parameter
table, and the current machining time are registered in the table. The time difference from an
earlier generator setting is calculated and saved in the line of the previous power stage (operat-
ing time of the previous power stage). If a new program is run, the old entries are overwritten.
• Datum tables
Multiple datum tables with the extension ".D" can be created. This serves, for example, to assign
sets of positions of electrodes, i.e. a separate table for each electrode. Depending on MP10 a
structure is generated with 4 or 5 axes. If there are 5 axes, 5 values (Q81...Q85) are used for
Cycle 7 and M38/M39. Cycle 7 has been expanded by one block (CYCL DEF 7.2 NAME), so that
you can give a name to the selected position table. If block 7.2 is not programmed, the control as
before uses table 0.D.
• MDI mode
When MDI is selected, an $MDI file is automatically opened in which more than one NC block
can be directly programmed. To run a block, you must select it with the cursor and press NC
START. After execution the cursor jumps to the next NC block.
Special characteristics of MDI mode:
- PGM CALL and LBL CALL are not permitted.
- When TOOL CALL is run, the associated TOOL DEF must be programmed in the $MDI file.
- Incremental positioning movements are always started from the current position of the axes.
- Radius-compensated positioning movements are not possible.
• New gap control via gap signal
New machine parameter MP2081
For more information see above description of new features for TNC 306.