
TITLE
B-63173EN-1/02
EDIT
DATE DESIG. DESCRIPTION
ower
ate i-
Look-ahead feed-forward control
Connection manual (function)
DRAW.NO. CUST.
SHEET
01
990624 New design
Note
NOTE
1. In the look-ahead feed-forward control mode, the functions listed below cannot be
specified. To specify these functions, it is necessary to cancel the look-ahead feed-
forward control mode. After the desired function is completed, then set look-ahead
feed-forward control mode again.
・Rigid tapping function ・Feed per revolution
・Handle interruption ・Simple synchronous control
・Polar coordinate interpolation function ・Feed stop
・High-speed skip function ・Constant surface speed control
・Interrupt type custom macro ・Small-hole peck drilling cycle
・G28 (low-speed reference position return) ・Skip cutting
・Electronic CAM
2. Look-ahead feed-forward control is not available in the high response mode.
3. In addition to the parameters described here, the parameters about servo
motor should be set. For details, refer to the parameter manual about servo
motor.
Reference item
OPERATOR'S MANUAL
(B-63174EN)
II.16.4 Look-ahead feed-forward control (G08)
FANUC AC SERVO MOTOR
α series PARAMETER MANUAL
(B-65150E)
4.5.2 Look-ahead Feed-forward Function