Detailed Description
2.3 Configurable gear adaptation
Spindles (S1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-39
NC/PLC IS:
DB31, ... DBX16.3 (gear changed)
must not be set.
If position control is active when a new gear step is specified by the PLC
with NC/PLC IS:
DB31, ... DBX16.0-16.2) (actual gear step A to C),
it is disabled throughout the gear change action.
NC stop during gear step change
The spindle cannot be stopped with NC/PLC IS:
DB21, ... DBX7.4 (NC stop)
if:
• The spindle is not yet in oscillation mode for the gear step change
• NC/PLC IS:
DB31, ... DBX16.3 (gear changed)
is not set.
Note
Options for aborting:
NC/PLC IS:
DB31, ... DBX2.2 (delete distance-to-go/spindle reset)
or
DB31, ... DBX16.3 (gear changed)
with corresponding acknowledgment from actual gear step
(DB31, ... DBX16.0-16.2 (actual gear step)).
Spindle response after a gear step change
How the spindle behaves once the gear step has been changed depends on the following
initial conditions:
• If the spindle was in the stop state before the gear step change (M5, FC18: "Stop rotate
spindle"), in positioning or axis mode, M5 (spindle stop) is active after completion of the
gear step change.
• If a direction of rotation (M3, M4, or FC18: "Start spindle rotation"), then the last speed and
direction of rotation will become active again after the gear step change. In the new gear
step, the spindle accelerates to the last spindle speed programmed (S value).
The next block in the part program can be executed.
Special points to be noted
The following points must be observed on gear step change:
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