- 15 -
• The grounding wire should have a cross
sectional area greater than 2mm
2
. Cre-
ate the connection point as close to the
FP unit as possible, and make the wire
as short, as possible. When using a
long grounding wire, replace the thin
wire with a thicker wire, and place it in
a duct.
• If a dedicated ground is not possible,
use a shared ground, as shown in figure
(b).
• Set up a dedicated ground
*1
when using
the rear panel’s FG terminal.
8
Grounding Cautions
FP
FP
Other
device
Other
device
Other
device
F P
(c) Shared ground - not allowed
(a) Dedicated Ground
(b) Shared Ground - allowed
*1 Use a grounding resistance of less than 100
Ω
and a 2mm
2
or greater thickness wire, or your
country’s applicable standard. For details, contact your local FP distributor.
