2-13
Installation
2Unpacking to Installation
2.2.4 Grounding procedures
(1) Grounding methods
1) There are three grounding methods as shown in
, but the dedicated grounding (
)
should be used for the robot arm and controller
when possible. (Refer to the separate " Controller
Setup, Basic Operation and Maintenance" for
details on the controller grounding.)
2) Use Class D grounding (grounding resistance
100Ω or less).
Dedicated grounding separated from the other
devices should be used.
3) Use a AWG#11(4.2mm
2
) or more stranded wire for
the grounding wire. The grounding point should be
as close to the robot arm and controller as possi
-
ble, and the length of the grounding wire should
be short.
Fig.2-5 ： Grounding methods
(2) Grounding procedures
1) Prepare the grounding cable (AWG#11(4.2mm
2
) or
more) and robot side installation screw and washer.
2) If there is rust or paint on the grounding screw sec
-
tion (A), remove it with a file, etc.
3) Connect the grounding cable to the grounding screw
section.
Fig.2-6 ： Connecting the grounding cable
Robot arm
Controller
and
personal
computer
(a) Dedicated grounding
(Optimum)
(b) Common grounding
(Good)
(c) Common grounding
(Normal)
Robot arm
Controller
and
personal
computer
Robot arm
Controller
and
personal
computer
A
M4×10
本体接地用ケーブル (AWG #11（3.5mm
2
）以上）
（お客様にてご手配ください）
ばね座金
平座金
Spring washer
Plain washer
Robot grounding cable (AWG#11 (4.2mm
2
) or more）
(Prepared by customer)
