Mitsubishi Electric MELDAS C6 Interface Manual page 149

B con-
Signal name
tact
SPINDLE SPEED UPPER
—
LIMIT OVER
[Function]
This signal notifies that the feedback of the spindle motor has exceeded the maximum speed.
[Operation]
This signal turns ON when the spindle motor's feedback exceeds the maximum speed regardless of
the commanded speed.
Spindle speed
(Feedback)
Spindle rotation upper limit over
(SUPP)
B con-
Signal name
tact
SPINDLE SPEED LOWER
—
LIMIT OVER
[Function]
This signal notifies that the feedback of the spindle motor has dropped below the minimum speed.
[Operation]
This signal turns ON when the spindle motor's feedback drops below the minimum speed
regardless of the commanded speed.
Spindle speed
(Feedback)
Spindle rotation lower limit over
(SLOW)
6. EXPLANATION OF INTERFACE SIGNALS
6.1 PLC Input Signals (Bit Type: X***)
Signal
abbreviation
SUPP
Signal
abbreviation
SLOW
6-1-60
1st spindle 2nd spindle
X98B X9BB
Maximum speed
(parameter setting value)
1st spindle 2nd spindle
X98C X9BC
Minimum speed
(parameter setting value)
3rd spindle
X9EB
3rd spindle
X9EC