
B–63445EN/01
6. ANALOG SPINDLE INTERFACE
127
Constant surface speed control
(4095) 10V
Max
0V
SVC
Motor speed
Gear 1 Gear 2 Gear 3
S code
0 PRM 3741 PRM 3742 PRM 3743 (RPM)
Gear 4
PRM 3744
#7
TCW3706
#6
CWM
#5 #4 #3 #2 #1 #0
TCW CWM Sign of output voltage
0 0 Analog voltage (+) with M03 or M04
0 1 Analog voltage (–) with M03 or M04
1 0 + with M03, – with 04
1 1 – with M03, + with M04
3741 Max. spindle speed of gear 1 (1 to 9999) [rpm]
3742 Max. spindle speed of gear 2 (1 to 9999) [rpm]
3743 Max. spindle speed of gear 3 (1 to 9999) [rpm]
3744 Max. spindle speed of gear 4 (1 to 9999) [rpm]
(1) Tuning offset of D/A converter
Specify 0 for the spindle speed. Adjust the parameter below so that
an analog input value for the spindle amplifier is 0 mV.
(For G code system A)
G97 S0 ; (Command by MDI operation and press the cycle start button)
3731 Spindle speed (D/A converter) offset compensation value
DGN
6.1.2
Calculation of S Analog
Voltage and Associated
Parameters
6.1.3
Tuning S Analog
Voltage (D/A Converter)