
B-63003EN-2/01 Chapter 1 Assembling the 16i/18i/21i 1 - 25
1
Connecting the Motor Pulse Generator to the Spindle Amplifier
This procedure assumes that you purchased the connection cable from GE Fanuc. If you
bought the connector only (FANUC part
A06B-6078-K212
) and chose to make this connection
yourself, please refer to Section 9.3.3 in the GE Fanuc Control Motor Amplifier
α
αα
α
series
Description Manual (publication no. B-65162E) for a more detailed description.
To connect the motor encoder to the spindle amplifier, follow these steps:
1
.
Remove the square plastic cover from the spindle motor
and locate the cable for your motor. The 14m cable is
identified by GE Fanuc part:
GE Fanuc Cables Description Application
LX660-4077-T219/L3R003 3m
LX660-4077-T219/L4R003 4m
LX660-4077-T219/L5R003 5m
LX660-4077-T219/L6R003 6m
LX660-4077-T219/L7R003 7m
LX660-4077-T219/L8R003 8m
LX660-4077-T219/L10R03 10m
LX660-4077-T219/L12R03 12m
LX660-4077-T219/L14R03 14m
Spindle feedback cable
Cable pulse generator, built-in
sensor Alpha spindle motors
except A 0.5
2
.
Plug one end into the connector labeled
JY2
on the face of the spindle amplifier
module.
3. Plug the other end into the pulse generator connector on the motor (under the square
plastic cover).
Connecting Motor Power to the Spindle Amplifier
Connect the motor power to the spindle amplifier using the following procedure:
1
.
Find the cable which connects the motor to the spindle amplifier. The specifications
for your cable according to spindle motor type are listed in Appendix F of the
GE Fanuc Control Motor Amplifier
α
αα
α
series Description Manual.
2
.
One of the ends of this cable has four wires which connect to the α series spindle
amplifier’s terminal strip. Screw in the four wires to the amplifier terminals labeled
U
,