Siemens SINUMERIK 840D sl Function Manual page 1648

Detailed Description
2.3 Configurable gear adaptation
Ways of specifying a gear step change
A gear step change can be requested:
• In the part program
• 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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Automatically by means of the programmed spindle speed for M40 without S or by means
of programming with M41 to M45.
Basic logic functions: Spindles (S1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0