FANUC Power Mate i-MODEL H CONNECTION MANUAL (HARDWARE)

Edit.
DATE Design
Description
DRAW.NO.
B-63173EN/03-2
CUST.
TITLE
SHEET
7 / 7
(2) Attachment of the unit to the cabinet
The ground wire of the unit should be connected in the shortest distance. If the diameter of the
ground wire is small, the impedance becomes high, particularly for high frequency noise, and
sufficient grounding effects cannot be obtained. For the positions of the grounding terminals of
the units, see the corresponding manual. When mounting the metal sheet to which the unit was
attached on the cabinet, the following method is recommended. Make sure that both the
cabinet and the metal sheet are connected on a large surface on which coating is masked.
Conduction only through a screw is not recommended because the impedance for high
frequency cannot be reduced sufficiently.
Cabinet
Metal sheet
Unit
Conduction only through
a screw with coating
unmasked
Thin ground wire o
r
long ground wire
< Bad example >
Conduction via a surface on
which coating is masked
Shortest connection
through the ground wire
< Good example >
Cabinet
Metal sheet
Unit

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