Operating manual.
CNC 8060
CNC 8065
USER TABLES
17.
Zero offset tables
·285·
(REF: 1807)
17.2 Zero offset tables
This table contains the absolute zero offsets (G54 to G59 and G159) and the PLC offset of
the axes and spindles that may be activated as C axis. The table highlights in color the active
offset, both absolute and incremental.
The zero offset may have two different looks, with or without fine setting of absolute zero
offset. The type of table depends on the configuration set by the OEM (parameter FINEORG).
The table shows the axes and spindles that are in the channel at the time; in other words,
after swapping axes or spindles between channels, the CNC updates the table. The zero
offsets associated with the possible C axes are always visible, even when the C axis is not
active.
PLC offset (PLC offset).
The PLC offset may not be set directly in the table, its values are set from the PLC or via
part-program using variables. This offset is used, for example, to correct deviations
originated by machine dilatations. The CNC always adds the PLC offset to the selected zero
offset.
Incremental zero offsets.
This zero offset may not be set directly in the table, its values are set via part-program or
via variables. The CNC adds the incremental zero offset to the absolute zero offset active
at the time.
Absolute zero offsets
Absolute zero offsets besides being set directly in the table may also be set from the PLC
or via part-program using variables.
The zero offsets are used to place the part zero at different positions of the machine. When
applying a zero offset, the CNC assumes as the new part zero the point set by the selected
zero offset referred to the clamp zero (if active) or to the machine zero (if the clamp zero is
not active). To apply an absolute zero offset, it must be activated via program using the
relevant function.
When accessed from the a channel, the table only shows the axes and spindles of that
channel. The vertical softkey menu may be used to access the zero offsets of the rest of the
channels.
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