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Descri
tion
Design.
DateEd
01.03.23
SHEET
DRAW. No.
CUST.
TITLE
okota
okota
Newly designed
i series Spindle
Start-up Procedure
-53866E-387/02
FANUC LTD
1
7.2 When the motor does not rotate at the commanded speed
(1) Check all connections.
(a) Motor power line connection
(b) Feedback signal cable connection
(2) Check the parameter setting.
(a) Parameter data for each motor model
(b) Detector-related parameter
(c) Setting of maximum motor speed
0 15
15i 16i/16
Description
6520 3020 3020 4020 Maximum motor speed
(d) Parameters related to spindle speed commands
(3) Check the feedback signal.
(a) Feedback signal levels
(b) Shielding and grounding
7.3 When the motor vibrates and generates noise while rotating
(1) Check the feedback signal.
(a) Feedback signal levels
(b) Shielding and grounding
(2) Check parameter setting
The velocity loop gain value may be too large. Adjust the parameters
indicated below.
0 15
15i 16i/16
Description Settings
6540 3040 3040 4040 Velocity loop proportional gain
(HIGH)
6541 3041 3041 4041 Velocity loop proportional gain
(LOW)
6548 3048 3048 4048 Velocity loop integral gain
(HIGH)
6549 3049 3049 4049 Velocity loop integral gain
(LOW)
Specify a small
value.