Digital Electronics FP790-T21 설치 매뉴얼 - 페이지 15
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Grounding Cautions
(a) Dedicated Ground
(b) Shared Ground - allowed
(c) Shared ground - not allowed
*1 Use a grounding resistance of less than 100 Ω and a 2mm
country's applicable standard. For details, contact your local FP distributor.
Other
FP
device
Other
FP
device
Other
F P
device
• Set up a dedicated ground
the rear panel's FG terminal.
• If a dedicated ground is not possible,
use a shared ground, as shown in figure
(b).
• The grounding wire should have a cross
sectional area greater than 2mm
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.
2
or greater thickness wire, or your
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*1
when using
2
. Cre-