FANUC AC SPINDLE MOTOR aC series
1. ADJUSTMENT
B–65160E/02
252
(d) When the spindle and position coder are connected by the gear as
shown below, the spindle and position coder rotate in the reverse
direction.
Motor
SP
Motor
Gear
connection
Gear–based connection
PC
PC
Position coder Position coder
SP
Spindle
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
POSC2
6501 3001 3001 4001
6641 3141
1st :
2nt:
POSC2: Position coder signal is used or not.
0 : Not used.
1 : Used.
Set this bit to ”1” when using the following functions:
D Position coder method spindle orientation
D Spindle synchronization control (9D12 series only)
D Rigid tapping (9D12 series only)
D Feed per revolution
(Thread cutting, Constant surface speed control)
D When displaying number of spindle rotation (SACT display)
D Using the motor speed data calculated from position coder
signal to control the velocity (9D12 series only)
Spindle
amplifier
module
JY4
Spindle
Motor
Position coder
PC
16i/16 #7 #6 #5 #4 #3 #2 #1 #0015i15
PCLS: Determines the position coder signal disconnection (AL–27) detection.
0: Performs disconnection detection (Normally set to “0”)