Digital Electronics Corporation PS-2000B Series Panduan Instalasi - Halaman 16

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Halaman Cetak
8
Grouding Cautions
(a) Dedicated Ground
PS-B
(b) Shared Ground - allowed
PS-B
(c) Shared ground - not allowed
PS-B
9

Cautions When Connecting I/O Signal Lines

• I/O signal lines must be wired separately from the power circuit cable. If the
power cord needs to be wired together with the input/output (I/O) signal lines
for any reason, use shielded cord and ground one end of the shield to the PS-
B's FG terminal.
• To improve noise immunity, it is recommended to attach a ferrite core to the
power cord.
Note
Be aware that the Digital Electronics Corporation shall not be held liable for any real or
estimated damages or losses, or third party claims resulting from the use of this product.
© 2002 Digital Electronics Corporation. All rights reserved.
• Set up a dedicated ground when
using the front panel's FG termi-
Other
device
nal.
• If a dedicated ground is not pos-
sible, use a shared ground, as
shown in figure (b).
Other
device
• The grounding point must be as
close to the PS-B as possible, and
the grounding wires must be as
short as possible. If the wires must
be long, use thick, insulated wires
and run them through conduits.
Other
device
• FG and SG terminals are internally
connected in the PS-B. When
connecting to another device, be
sure to create an SG shorting loop
in your system.
057470H
.PS2000B-MT01-BTHE
16
2002.10.
JM/A