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Mitsubishi Electric MELDAS C6 Interface Manual Page 209

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B con-
Signal name
tact
PHASE SHIFT CALCULATION
REQUEST
[Function]
This signal calculates the phase error of the basic spindle during rotation synchronization, and save
it in the NC memory.
[Operation]
The phase error of the basic spindle and synchronous spindle is saved in the NC memory when this
signal is ON and the rotation synchronization command's (with no R address command) spindle
synchronization is completed (when "Spindle rotation speed synchronization complete" signal is
ON).
This signal turns ON when the spindle rotation is stopped before the rotation synchronization
command.
(Note 1) The phase cannot be aligned when calculating the phase shift.
(Note 2) If the handle mode is selected as the manual operation mode, the synchronous spindle
cannot be rotated with the handle.
Phase shift calculation
request (Y435)
Spindle synchronous
control (Y432)
In spindle synchronous
control (X42A)
Spindle rotation speed
synchronization complete (X42B)
[Related signals]
Phase offset request (SSPHF: Y436)
Spindle synchronous control phase error output (R55)
Spindle synchronous control phase offset data (R59)
6. EXPLANATION OF INTERFACE SIGNALS
6.3 PLC Output Signals (Bit Type: Y***)
Signal
abbreviation
SSPHM
The phase error occurred in this interval is
saved.(Synchronous spindle can be controlled
with handle.)
Spindle synchronous
control ON
Phase shift calculation request ON
6-3-12
1st system
2nd system
Y435
Spindle synchronous
control OFF
Phase shift calculation request OFF
3rd system

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