
B–63443EN/02
18. SPINDLE FUNCTIONS
PMC INTERFACE
203
Refer to section 18.1 “Spindle Speed Control”.
[Classification] Output signal
[Function] This signal indicates that constant surface speed control is in progress.
[Output condition] “1” indicates that constant surface speed control mode (G96) is in
progress, while “0” indicates it is not.
#7 #6 #5 #4 #3 #2 #1 #0
F002 CSS
3741 Maximum spindle speed for gear 1
3742 Maximum spindle speed for gear 2
3743 Maximum spindle speed for gear 3
3744 Maximum spindle speed for gear 4
[Data type] Word
[Unit of data] min
–1
3770 Axis as the calculation reference in constant surface speed contorol
[Data type] Byte
[Valid data range] 0, 1, 2
set the axis as the calculation reference in constant surface speed contorol.
NOTE
When 0 is set, constant surface speed control is always
applied to the X–axis. In this case, specifying P in a G96
block has no effect on the constant surface speed control.
Signal
Gear selection signal
(Input)
GR2, GR1 <G028#2, #1>
Constant surface speed
signal CSS <F002#2>
Signal address
Parameter