Mitsubishi Electric MELDAS C6 Interface Manual page 205

B con-
Signal name
tact
—
CHUCK CLOSE
[Function]
This signal is turned ON while the basic spindle and synchronous spindle clamp the same
workpiece.
[Operation]
The "Spindle chuck close confirmation" signal is turned ON when the "Chuck close" signal is ON.
The "Spindle chuck close confirmation" signal is turned OFF when the "Chuck close" signal is OFF.
Basic spindle chuck
Synchronous spindle chuck
Spindle synchronous control
(Y432)
In spindle synchronous
control (X42A)
Spindle rotation speed
synchronization complete (X42B)
Chuck close (Y431)
Error temporary cancel (Y437)
(Note) Use "Error temporary cancel" signal only when the position error between two spindles still
occurs even after the "Chuck close" signal is turned ON.
[Related signals]
"Chuck close confirmation" signal (SPCMP: X42D)
6. EXPLANATION OF INTERFACE SIGNALS
6.3 PLC Output Signals (Bit Type: Y***)
Signal
abbreviation
SPCMPC
Chuck close
Chuck open
6-3-8
1st system 2nd system
Y431
Chuck close
Chuck close
Chuck close
confirmation
In error cancel
3rd system
— —
Chuck open
Chuck open
confirmation
Chuck close