Mitsubishi Electric MELDAS C6 Interface Manual page 156

B con-
Signal name
tact
—
SPINDLE READY-ON
[Function]
This signal is output from the high-speed serial connection specification spindle controller (spindle
drive) and informs that the spindle is ready for operation.
[Operation]
This signal (SMA) turns ON when the spindle controller is ready for operation. The signal turns OFF
(ready OFF) in the following conditions.
(1) A spindle alarm is generated.
(2) "Spindle ready-ON" signal (internal signal) from controller is OFF.
(3) The machine ready-ON signal that is an external interface (DIO input) signal of the Spindle
controller is OFF.
(The machine ready signal can be invalidated with the spindle controller parameters.)
Controller ready-ON
(Note1)
Spindle ready-ON (SMA)
Spindle alarm
Machine ready-ON
(External interface signal)
(Note 1) The ready ON signal is output from the controller to the spindle controller.
(Note 2) This signal is valid only for the system that is high-speed serially connected with the
spindle controller.
6. EXPLANATION OF INTERFACE SIGNALS
6.1 PLC Input Signals (Bit Type: X***)
Signal
abbreviation
SMA
Max. 1 s
6-1-67
1st spindle 2nd spindle
X998 X9C8
Max. 1 s
3rd spindle
X9F8
Max. 1 s