
B-65280EN/05 FANUC AC SPINDLE MOTOR αi series 2.EXPLANATION OF OPERATION MODES
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(3) Check the input signals.
(a) Input signals for spindle control (PMC → CNC)
15i 16i 30i
#7 #6 #5 #4 #3 #2 #1 #0
1st- G227 G070 G070 MRDYA SFRA SRVA
2nd- G235 G074 G074 MRDYB SFRB SRVB
1st- G226 G071 G071 *ESPA
2nd- G234 G075 G075 *ESPB
(4) Check the feedback signal.
(a) Feedback signal level (Refer to Maintenance Manual.)
(b) Shielding and grounding (Refer to Descriptions.)
(ii) When the motor does not rotate at a specified speed
(1) Check the connections. (Refer to Descriptions.)
(a) Motor power line connection
(b) Feedback signal cable connection point
(2) Check the parameter settings.
(a) Parameter data for each motor model
(b) Detector-related parameter data (Refer to Subsec. 1.3.2 in
Part I.)
(c) Setting of a maximum motor speed
15i 16i 30i
Description
3020 4020 4020 Maximum motor speed
(d) Parameters related to spindle speed specification
For Series 16i/18i/21i
“FANUC Series 16i/18i/21i-MODEL B
CONNECTION MANUAL (FUNCTION) : B-63523EN-1
Refer to Section 9.3 “SPINDLE SPEED CONTROL.”
For Series 30i/31i/32i
“FANUC Series 30i/31i/32i-MODEL A
CONNECTION MANUAL (FUNCTION) : B-63943EN-1
Refer to Section 11.3 “SPINDLE SPEED CONTROL.”
For Series 15i
“FANUC Series 15i-MODEL B
CONNECTION MANUAL (FUNCTION) : B-63783EN-1
Refer to Section 9.3 “SPINDLE SPEED CONTROL.”
For Series 0i
“FANUC Series 0i-MODEL C
CONNECTION MANUAL (FUNCTION) : B-64113EN-1
Refer to Section 9.3 “SPINDLE SPEED CONTROL.”
(3) Check the feedback signal.
(a) Feedback signal level (Refer to Maintenance Manual.)
(b) Shielding and grounding (Refer to Descriptions.)