Installation manual
CNC 8035
CONCEPTS
Tool magazine
5.
(SOFT M: V15.3X)
(S
OFT T: V16.3X)
·249·
5.14 Tool magazine
5.14.1 Tool change via PLC
If the tool change process is interrupted, the values of the tool magazine table and active tool may
not reflect the machine's reality.
In order to be able to update the tool table, the tool change may be resumed from the PLC using
variables TOOL, NXTOOL, TOD, NXTOD and TMZT. This way, it is possible to resume the tool
change from the PLC and redefine the tool table according to their positions using the TMZT variable.
Variables TOOL, NXTOOL, TOD and NXTOD can only be written from the PLC while no block or
part-program is being executed or simulated.
Redefine the tool and tool magazine tables.
To allocate a magazine position to the tool that is considered active by the CNC, but is actually,
physically, in the tool magazine, proceed as follows:
1. Deactivate the tool that the CNC considers active; TOOL=0 and TOD=0.
2. Assign to the tool the relevant position using the TMZT variable.
Before trying to write in variables TOOL, NXTOOL, TOD and NXTOD check the OPMODA variable
to make sure that no block or part-program is being executed or simulated. The next bits of the
OPMODEA variable must be set to ·0·.
TOOL Number of the active tool.
TOD Number of active tool offset.
NXTOOL Number of next tool. Tool that is selected but is awaiting the execution of M06 to
be active.
NXTOD Number of the next tool’s offset.
Bit 0 Program in execution.
Bit 1 Program in simulation.
Bit 2 Block in execution via MDI, JOG.
Bit 8 Block in execution via CNCEX1.
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