Detailed Description
2.3 Configurable gear adaptation
Spindles (S1)
Function Manual, 08/2005 Edition, 6FC5397-0BP10-0BA0
2-31
No. of gear steps
5 gear steps can be configured for each spindle.
If the spindle motor is mounted to the spindle directly (1:1) or with a non-adjustable gear
ratio, machine data:
MD35010 $MA_GEAR_STEP_CHANGE_ENABLE
must be set to zero.
In this case, the 1st gear step is active. This is the default setting.
Selection of gear change type
Configuring machine data:
MD35010 $MA_GEAR_STEP_CHANGE_ENABLE (gear step change is possible)
determines the gear step change type as follows:
0: Spindle motor installed directly (1:1) or with a non-variable transmission ratio.
1: Spindle motor with up to 5 gear steps.
The gear step change is executed in oscillation mode.
2: Spindle motor with up to 5 gear steps.
The gear step change is executed at the configured fixed position.
Requirement for a gear step change:
Activated by the NC by setting machine data:
MD35010 $MA_GEAR_STEP_CHANGE_ENABLE not equal to 0
and by the part program at M40 with S... or M41...M45.
In principle, the gear step change is only performed, however, if the requested gear step is
not the same as the active gear step.
The following section explains who can request a gear step change and how it is triggered,
initiated and completed.
Ways of specifying a gear step change
A gear step change can be requested:
• In the part program
Automatically by means of the programmed spindle speed for M40 without S or by means
of programming with M41 to M45.
• By the PLC using function module FC 18.
• By synchronized actions with M40 and S or M41 to M45.
• In the reset state by writing to the VDI interface.
In particular after a power on, the NC can be informed of the latest gear step.
• In the reset state in the event of NC stop.
In the case of a manual gear step change directly at the installation location.
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