
B–65160E/02
2. FUNCTION EXPLANATION
FANUC AC SPINDLE MOTOR a series
147
A. Check that normal operation can be performed.
B. Check the connections for speed range switching control.
C. Prepare and check the ladder programs for speed range switching control.
D. Set the parameters related to speed range switching control.
NG
E. Check the speed range switching control operation.
(1) Input signals (PMC ³ CNC)
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
MRDYA ORCMA SFRA SRVA CTH1A CTH2A TLMHA TLMLA
G229 G227 G227 G070
G233 G235 G235 G074
1st–
2nd–
RCHA RSLA INTGA SOCNA MCFNA SPSLA *ESPA ARSTA
G230 G226 G226 G071
G234 G234 G234 G075
1st–
2nd–
RCHHGA MFNHGA INCMDA OVRA DEFMDA NRROA ROTAA INDXA
G231 G229 G229 G072
G235 G237 G237 G076
1st–
2nd–
(2) Output signals (CNC ³ PMC)
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
ORARA TLMA LDT2A LDT1A SARA SDTA SSTA ALMA
F281 F229 F229 F045
F285 F245 F245 F049
1st–
2nd–
RCFNA RCHPA CFINA CHPA
F282 F228 F228 F046
F286 F244 F244 F050
1st–
2nd–
2.7
SPEED RANGE
SWITCHING
CONTROL
2.7.1
Start–up Procedure
2.7.2
Signals Related to
Spindle Speed Control
2.7.3
Related Parameters