Yaskawa YASNAC PC NC I/O Signal Function Manual - Manual (Page 17)

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YASNAC PCNC I/O Signal Function Manual Chapter 1: Feed Function
1.8 Solid Tap
(1) Solid Tap Mode Signal
The output signal is in response to the execution. At the machine, the spindle start (forward)
signal should be “opened” at this signal. Then return the spindle positin control loop command
input signal (SLPC) after confirming that the spindle has been stopped by the spindle zero-
speed signal.
IMPORTANT!
1. If the spindle controller has a soft start circuit, cancel it at the same time when the SLPC is
“opened”, since acceleration and deceleration are controlled by the NC.
2. All of the following input signals must be “closed”.
Spindle reverse rotation (SINV)
Gear shifting (GRO)
Spindle fixed speed (SOR)
(2) Spindle Position Loop Command
The signal is used to configure the spindle position control loop in the NC.
When this input signal is “opened”, the CNC configures the position control loop for the
spindle after confirming that the spindle has stopped. It then returns the spindle position
control loop mode output signal (SLPS).
(3) Spindle Position Loop Mode Output Signal
The output signal occurs when the CNC has set the position control loop for the spindle to
execute solid tapping.
The execution of the G93 block is completed by the output of this signal.
Solid Tap Mode G93M #35381
Spindle Position Loop Command SLPC #31174
Spindle Position Loop Mode SLPS #36512
Solid Tap Gear Selection STPGR #31155