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3. INSTALLATION
3.4 Noise Countermeasures
I - 12
3.4 Noise Countermeasures
3.4.1 Connection of Frame Ground (FG)
The frame should basically be grounded at one ground point.
Connect the control unit and base I/O unit's 0V (RG) to the FG on the 24VDC stabilized power supply side.
FG cable
Main grounding plate fo
r
electric cabinet
Stabilized power supply
(Prepare separately)
FG cable
AC input
R220 cable
(24VDC)
R220 cable
(24VDC)
Control unit
Short
bar
FG
0V
DC24V
(+)
FG cable
J1
J2
CR03
CR01
CN24
CR02
CR06
CR05
OPERATION BOARD Ver.
FCU6-DUT32
MITSUBISHI ELECTRIC CORP.
Communication terminal