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Controller Design
2.5.10
Layout of the MELSEC FX
Battery cover
Memory battery
Installation place for the
FX3U-7DM display
Blind cover for
expansion board
RUN/STOP switch
Connection for
programming unit
Top cover
(used if FX3U-7DM
is not installed)
2.5.11
Layout of the MELSEC FX
RUN/STOP switch
LEDs for indicating
operating mode
Slot for memory
cassettes
Memory cassette
(optional)
Cover of the adapter
board terminal
Buffer battery
Cover for battery
compartment
2 – 12
base units
3U
base units
3UC
Programmable Logic Controllers
Protective cover
Terminal cover
Terminals for
digital inputs
LEDs for indicating
the input status
LEDs for indicating
the operating status
Protective cover for
expansion bus
LEDs for indicating
the output status
Output terminals
Terminal cover
Protective cover
LEDs for indicating
input status
LEDs for indicating
output status
Protective cover for
expansion bus
Expansion bus
(to the side)
Connection for
programming unit
Terminals for
digital outputs
Terminals for
digital inputs
MITSUBISHI ELECTRIC
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