
B–63833EN–1/02
9. SPINDLE SPEED FUNCTION
528
The 1024 or 512 pulses/rev position coder is built into the spindle motor.
For the 512 pulses/rev version, specify double the number of teeth on each
gear for the position coder. (Double the number of teeth need not be
specified for the serial spindle.)
1st spindle of M series allows up to three stages, regardless of which gear
selection method has been selected. (Parameter Nos. 5224 and 5234
cannot be used.)
1st spindle of T series supports up to four stages. (Set parameter Nos.
5221 to 5224 and 5231 to 5234.) When the multi–spindle function is used
to perform rigid tapping with the second spindle, up to two stages are
supported. (Set parameter Nos. 5221, 5222, 5231, and 5232.)
Example)
Spindle
motor
Built–in position coder
1st gear set 30 : 70
2nd gear set50 : 50
3rd gear set 70 : 30
Set value
Parameter
No.
512p/rev
Position
coder
1024p/rev
Position
coder
Meaning
5221 70 Number of teeth of the 1st gear
for the spindle side
5222 50 Number of teeth of the 2nd gear
for the spindle side
5223 30 Number of teeth of the 3rd gear
for the spindle side
5231 80 Note) 30 Number of teeth of the 1st gear
for the position coder side
5232 100 Note) 50 Number of teeth of the 2nd gear
for the position coder side
5233 140 Note) 70 Number of teeth of the 3rd gear
for the position coder side
NOTE
Double value setting is not required for serial spindle.