
FANUC AC SPINDLE MOTOR a series
1. ADJUSTMENT
B–65160E/02
38
(1) Check the parameter settings.
(a) Parameter data for each motor model (See Appendix C.)
(b) Limited output pattern and output limit
0 15 15i 16i/16 Description
6528 3028 3028 4028 Sets a limited output pattern.
6529 3029 3029 4029 Output limit
(c) Regenerative power limit (Make sure that the set value is the
same as the one listed in the motor model–specific parameter
table.)
0 15 15i 16i/16 Description
6580 3080 3080 4080 Regenerative power limit
6930 3310 3166 4166 Regenerative power limit
(for low–speed characteristics)
(2) Check the input signals.
(a) Torque limit command (TLMH, TLML)
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
TLMHA TLMLA
G229 G227 G227 G070
If a parameter is set incorrectly, or an incorrect sequence is set, the error
LED (yellow) of the indicator section on the spindle amplifier module
(SPM) lights to indicate the corresponding error number.
If the spindle motor malfunctions, check the error number indication on
the amplifier indicator section, then take correct the fault as described in
the table below. Note that no status error number is displayed on the CNC
screen.
1.3.6
When Time Required
for Acceleration/
Deceleration Increases
1.3.7
Status Error Indication
Function