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Installation manual
CNC 8060
CNC 8065
9.
CONCEPTS.
(REF: 1402)
Multi-axis management.
Behavior of the CNC and the drive on power-up and when
switching axes.
Behavior of the CNC and the drive on power-up.
On power-up, the drive controls the master axis of the group, the first axis defined in the group
(parameter MULAXISNAME_1). The CNC assumes default set of the axis (parameter
DEFAULTSET). The PLC program must define the set and the gear assumed by the drive.
Behavior of the CNC and the drive when switching axes.
When the PLC switches an axis and/or spindle at the drive, the PLC program must define
the set and the gear assumed by the drive. The CNC assumes default set (parameter
DEFAULTSET).
Parameter matching between the CNC and the Sercos drive.
In a multi-axis group, the CNC matches the drive with the general parameters and the
parameters of the first set of the master axis. During parameter matching, the CNC only uses
the parameters of the first set of the drive, the rest of the sets of the drive must be set via
DDSSetup or at the drive itself. The CNC uses the following criterion for parameter matching.
• The CNC sends the general parameters of the master axis to the general parameters
of the drive.
• The CNC sends the parameters of the default set of the master axis (set defined in
parameter DEFAULTSET) to the general parameters or of the first set of the drive
accordingly.
• The CNC sends the gear parameters of the master axis to the gear parameters of the
drive.
The gears that correspond to the slave axes must be set at the drive itself.
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