2Unpacking to Installation
Installation
2-19
2.2.5 Grounding procedures
(1) Grounding methods
1) There are three grounding methods as shown in Fig. 2-8, but the dedicated grounding (Fig. 2-8 (a)) 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 possible, and the length of the grounding wire should be short.
Fig.2-8 ： 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 section (A), remove it with a file, etc.
3) Connect the grounding cable to the grounding screw section.
Fig.2-9 ： Connecting the grounding cable
㻾㼛㼎㼛㼠㻌㼍㼞㼙
㻔㼍㻕㻌㻰㼑㼐㼕㼏㼍㼠㼑㼐㻌㼓㼞㼛㼡㼚㼐㼕㼚㼓
㼇㻻㼜㼠㼕㼙㼡㼙㼉
㻔㼎㻕㻌㻿㼔㼍㼞㼑㼐㻌㼓㼞㼛㼡㼚㼐㼕㼚㼓
㻌㼇㻳㼛㼛㼐㼉
㻔㼏㻕㻌㻯㼛㼙㼙㼛㼚㻌㼓㼞㼛㼡㼚㼐㼕㼚㼓
㼇㻺㼛㼠㻌㼍㼘㼘㼛㼣㼑㼐㼉
㻯㼛㼚㼠㼞㼛㼘㼘㼑㼞
㼍㼚㼐
㼜㼑㼞㼟㼛㼚㼍㼘
㼏㼛㼙㼜㼡㼠㼑㼞
㻾㼛㼎㼛㼠㻌㼍㼞㼙
㻯㼛㼚㼠㼞㼛㼘㼘㼑㼞
㼍㼚㼐
㼜㼑㼞㼟㼛㼚㼍㼘
㼏㼛㼙㼜㼡㼠㼑㼞
㻾㼛㼎㼛㼠㻌㼍㼞㼙
㻯㼛㼚㼠㼞㼛㼘㼘㼑㼞
㼍㼚㼐
㼜㼑㼞㼟㼛㼚㼍㼘
㼏㼛㼙㼜㼡㼠㼑㼞
㻭
Plain washer
Spring washer
M4x10
Note) Although the figure is the example of
RV-4FR other types are the same also.
Robot grounding cable
(Prepared by customer)
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