A3-25
IM 34M06C11-01E
A3.5.4
Grounding Procedure
It is automatically brought into contact with
the metal chassis of the base module when
the FA-M3 is mounted onto the base module
so it shares the same electric potential with
the controller’s signal potential with the
controller’s signal ground. Using a wire with
a cross-section area of more than 2mm
2
,
connect to the Protective earth (Comply with
the regulation of each country.) by taking the
shortest route possible. For details onthe
grounding lines of the FA-M3, see
subsection A3.3.2,
Is connected with the neutral terminal of
the noise filter within the power supply
module.
Grounding the LG terminal properly
attenuates the comon mode noise from
the power supply. If the LG terminal is
opened, the effect of the noise filter will
be reduced.
FG
LG
Protective earth
(Comply with the regulation of each country.)
FA030503.VSD
FAIL1
COM
FAIL2
LG
N
L
FAIL
OUTPUT
INPUT
100-240VAC~
PU 10-0S
POWER
RDY
FG
Figure A3.22 Ground Wiring
AC power supply module is required protective earth. DC power supply module is
required protective earth or functional earth.
When building a system compliance to CE Marking, connect LG terminal and FG
terminal to the ground with the braided or the other wires that ensure low impedance
even at high frequencies.
Note
LG terminal has a half potential of the input power supply voltage when LG terminal isn’t
connected to earth appropriately.
Содержание FA-M3V e-RT3 Plus
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