Hardware Installation — 13
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FG
and
DG
Separation
Product Case(FG)
a
Product PCB board (DG)
b
ex) ECP-8301EP
• Incorrect example
-
is
FG
(Frame Ground)
-
is
DG
(DC Ground)
[Caution]
Do not connect
FG
and
DG
directly.
• Right example (ex. ECP-8404)
Product Case(FG)
c
ex) ECP-8404
is FG(Frame Ground)
is Protection element
is DG(DC Ground)
c
d
e
d
c
e
Product PCB board
(DG)
e
d
d
d
d
c
e
When need protection
from Surge and ESD,
use
Protection element
.
-
is FG(Frame Ground)
-
is Protection element
-
is DG(DC Ground)
[Note]
When need protection
from Surge and ESD
,
use
Protection element.
