Front Panel - Mitsubishi Electric FX3S Quick Start Manual

FX3S QUICK START MANUAL

1.4 FRONT PANEL

n FACTORY DEFAULT CONFIGURATION (STANDARD)
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[1] Top cover Mount the expansion board under this cover.
[2] Terminal names The signal names for power supply, input and
output terminals are shown.
[3] Terminal block covers The covers can be opened for wiring. Keep
the covers closed while the PLC is running (the unit power is on).
[4] Input display LEDs (red) When an input terminal (X000 or more)
is turned on, the corresponding LED lights.
[5] Peripheral device connecting connector cover The peripheral
device connector, variable analog potentiometers, analog inputs and
RUN/STOP switch are located under this cover.
[6] Operation status display LEDs The operation status of the PLC
can be checked with the LEDs. The LEDs turn off, light and flash
according to the following table.
Display
LED Name Description
Color
POW Green ON while power is on the PLC.
RUN Green ON while the PLC is running.
Flashing when a program error occurs.
ERR Red
Lights when a CPU error occurs.
[7] Output display LEDs (red) When an output terminal (Y000 or
more) is turned on, the corresponding LED lights.
[8] The year and month of production The year and month of
production of the main unit is indicated.
[9] Model name (abbreviation) The model name of the main unit is
indicated.
[10] DIN rail mounting hooks The main unit can be installed on
DIN46277 rail (35 mm (1.38") wide).
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Mitsubishi Electric Automation, Inc.
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n WHEN THE TOP COVERS ARE OPEN
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[1] Optional equipment connector These holes are designed to
secure the expansion board with screws.
[2] RUN/STOP switch To stop writing (batch) of the sequence
program or operation, set the switch to STOP (slide it downward). To
start operation (run the machine), set it to RUN (slide it upward).
[3] Variable analog potentiometers Two variable analog
potentiometers are built in. Upper side: VR1, Lower side: VR2
[4] Peripheral device connecting connector (USB) Connect a
programming tool (PC) to program a sequence.
[5] Peripheral device connecting connector (RS-422) Connect a
programming tool to program a sequence.
[6] Optional equipment connecting screw holes (2 places) These
holes are designed to secure the expansion board with screws.
n WHEN THE TERMINAL BLOCK COVERS ARE OPEN
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[1] Power supply terminals Connect the power supply to the main
unit.
[2] Input (X) terminals Wire switches and sensors to the terminals.
[3] Output (Y) terminals Wire loads (contactors, solenoid valves, etc.)
to be driven to the terminals.
[4] Terminal cover A protective terminal cover (refer to the following
drawing) is fitted to the lower stage of each terminal block. The cover
prevents fingers from touching terminals, thereby improving safety.
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