Grounding; Grounding The Got - Mitsubishi Electric GOT2000 Series Hardware User Manual

8.3

Grounding

Each GOT has the following ground terminals.
GT27 (except GT2705-V), GT25 (except GT25-W), GT23: FG terminal and LG terminal
GT2705-V, GT25-W, GT21

Grounding the GOT

Grounding method
Ground the GOT as shown below.
■For GT27, GT25, GT23, GT2107-W, and GT2105-Q
Use independent grounding as much as possible for the GOT.
Ground the GOT with a ground resistance of 100 Ω or less.
When independent grounding cannot be applied for the GOT, use shared grounding as shown in (2) below.
GOT Other device
Grounding
(ground resistance:
100 Ω or less)
(1) Independent grounding
For the grounding methods of (1) and (2) above, use a cable with 2 mm
Make a ground point near the GOT as much as possible to shorten the ground cable.
■For GT2104-R, GT2104-P, and GT2103-P
Use independent grounding as much as possible for the GOT.
Ground the GOT with a ground resistance of 100 Ω or less.
When independent grounding cannot be applied for the GOT, use shared grounding as shown in (2) below.
GOT Other device
(1) Independent grounding
Make a ground point near the GOT as much as possible to shorten the ground cable.
8 WIRING OF POWER SUPPLY SECTION
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8.3 Grounding
GOT
Grounding
(ground resistance:
100 Ω or less)
......
Best (2) Shared grounding
GOT
......
Best (2) Shared grounding
: FG terminal
Other device GOT
......
Good (3) Common grounding
2
or more cross section.
Other device GOT
......
Good (3) Common grounding
Other device
......
Not allowed
Other device
......
Not allowed