
Edit.
9/13
Date Signature Change
FANUC SERVO MOTOR BETA series I/O
Link Option Add function in edition 09
B-65245EN/02-01
4. Extension of the range of number of pulses per revolution
4.1.
4.1.4.1.
4.1.
Outline
Outline Outline
Outline
In conventional specifications, the number of pulses per revolution can be set 32,767/1 at
maximum. The range of the number of pulses per revolution is extended up to 8,388,607/1.
4.2.
4.2.4.2.
4.2.
Parameter
Parameter Parameter
Parameter
No
179 Numerator for the number of pulses per motor revolution
Size
SizeSize
Size : 4 bytes
Valid data
Valid data Valid data
Valid data range
rangerange
range : 0 to 8388607
Standard
Standard Standard
Standard setting
setting setting
setting : 0
When the parameter N0.105 (Numerator for the number of pulses per motor
revolution) is set to “0”, the value in the parameter No.179 is used. If the value in the
parameter No.105 is not 0, the value in the parameter No.105 is used.
The parameter No.106 (Denominator for the number of pulses per motor revolution) is
always used.
NOTE
1
If No105=0 and No179>8388607, the alarm No.417 (A parameter has been
specified incorrectly.) will occur.
2
If No105=0 and No179<No106, the alarm No.417 will occur.