
15. PMC CONTROL FUNCTION
B–63503EN–1/01
776
D Signal used to select the spindle motor speed command SINDx
→ The above signal is used to select whether the spindle motor speed is
controlled by the CNC or PMC.
1: The spindle motor is controlled according to speed commands
(R01Ix to R12Ix) issued by the PMC.
0: The spindle motor is controlled according to speed commands
issued by the CNC. The spindle speed specified with the S
command is output.
D Signals used to input the spindle motor speed command issued by the
PMC R01Ix to R12Ix
→ If the PMC is being used to control the spindle motor speed command,
specify, in binary format, the value obtained using the following
expression.
Value to be specified =
Spindle motor speed
Maximum spindle motor speed
4095
(Spindle motor speed)
0 min
–1
Maximum
spindle motor
speed
Code signal
40950
D Signal used to select the polarity of the spindle motor speed command,
SSINx
→ The above signal selects whether the output polarity of the spindle
motor speed command is controlled by the CNC or PMC.
1 : The spindle motor is controlled according to the polarity command
(SGNx) issued by the PMC.
0 : The CNC controls the polarity. The polarity is determined by the
TCW and CWM bits (bits 7 and 6 of parameter No. 3706) and the
M03 or M04 command.
D Signal used to specify the polarity of the spindle motor selected by the
PMC, SGNx
→ If the PMC is used to control the output polarity of the spindle motor
speed command, specify the polarity with this signal.
1 : The output polarity of the spindle is negative.
0 : The output polarity of the spindle is positive.
D Details of the signals