Detailed Description
2.3 Configurable gear adaptation
Spindles (S1)
2-40 Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
• The gear step change is not terminated by selecting
NC/PLC IS:
DB31, ... DBX20.1 (ramp-up switchover to V/f mode).
Setpoint 0 is output.
The acknowledgment of the gear step change is carried out as usual
by the NC/PLC IS:
DB31, ... DBX16.3 (gear changed).
• The "Ramp-function generator rapid stop" signal must be reset by the PLC before the
gear step change is completed by the PLC.
• The gear step change procedure is terminated without an alarm output on an NC reset.
The gear step output with NC/PLC IS:
DB31, ... DBX16.0-16.2 (actual gear step A to C)
is applied by the NC.
Star/delta switchover with FC17
Digital main spindle drives can be switched in both directions between star and delta using
FC17, even when the spindle is running. This automatic switchover is controlled by a defined
logic circuit in FC17, which provides the user with a configurable switchover time for the
relevant spindle.
For more information about function block FC17, please refer to:
References:
/FB1/ Descriptions of Functions, Basic Machine; PLC Basic Program (P3)
Parameter set of the load gearbox ratio
It is possible to configure positive or negative load gearbox factors for each gear step and in
axis mode.
The setting is defined in machine data:
MD31060 $MA_DRIVE_AX_RATIO_NUMERA.
The setting range is the same size for positive and negative load gearbox factors.
It is not possible to enter the value 0.
Note
The reference will be lost if an indirect encoder is configured and the load gearbox ratio
changes.
NC/PLC IS:
DB31, ... DBX60.4/60.5 (Homed/Synchronized 1 or 2)
is reset for the relevant measuring system.
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