
2. HARDWARE
B–63835EN/03
220
Group ActionSignal line
Cable for position and velocity
feedback
Bind the cables in group C sepa-
rately from group A, or cover
Cable between the CNC and
spindle amplifier
group C with an electromagnet-
ic shield.
Separate group C as far from
Cable for the position coder
Group B as possible.
Cable for the manual pulse gener-
ator
Be sure to perfrom shield pro-
cessing in Subsec. 2.19.5.
C
Cable between the CNC and the
CRT/MDI
RS–232–C and RS–422 interface
cable
Cable for the battery
Other cables to be covered with the
shield
NOTE
1 The groups must be 10 cm or more apart from one another
when binding the cables in each group.
2 The electromagnetic shield refers to shielding between
groups with grounded steel plates.
Cable of group B, C
Cable of group A
Cabinet
Spindle
amp.
Servo
amp.
Control
unit
Duct
To operator’s
panel,
motor, etc.
Section
Group A Group B, C
Cover