Names And Functions Of Parts; Front Panel - Mitsubishi Electric MELSEQ FX3S Series User Manual

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
2.2

Names and Functions of Parts

2.2.1

Front Panel

Factory default configuration (standard)
[1] Top cover
[2] Terminal names
[3] Terminal block covers
[4] Input display LEDs (red)
[5] Peripheral device connecting
connector cover
[6] Operation status display LEDs
[7] Output display LEDs (red)
[8] The year and month of production The year and month of production of the main unit is indicated.
[9] Model name (abbreviation)
[10] DIN rail mounting hooks
[3]
[2]
[1]
[10] [9]
Mount the expansion board, display module and memory cassette under this cover.
The signal names for power supply, input and output terminals are shown.
shows a function grounding terminal.
The covers can be opened for wiring.
Keep the covers closed while the PLC is running (the unit power is on).
When an input terminal (X000 or more) is turned on, the corresponding LED lights.
The peripheral device connector, variable analog potentiometers, analog inputs and RUN/
STOP switch are located under this cover.
The operation status of the PLC can be checked with the LEDs.
The LEDs turn off, light and flash according to the following table.
LED name Display color
POW Green
RUN Green
ERR
When an output terminal (Y000 or more) is turned on, the corresponding LED lights.
The model name of the main unit is indicated.
Check the nameplate on the right side for the model name.
The main unit can be installed on DIN46277 rail (35 mm (1.38") wide).
2.2 Names and Functions of Parts
[4]
[5]
[6]
[7]
[8]
→ For details on the operation status, refer to Section 14.5.
Description
ON while power is on the PLC.
ON while the PLC is running.
Red Flashing when a program error occurs.
Red Lights when a CPU error occurs.
→ For details on the year and month of production,
2 Features and Part Names
refer to Subsection 5.1.1.
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