Names And Functions Of Parts; Front Panel - Mitsubishi FX3G SERIES User Manual

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

Names and Functions of Parts

2.2.1

Front Panel

Factory default configuration (standard)
[1] Peripheral device connecting
connector cover
[2] Terminal names
[3] Top cover(S)
(40points, 60points type only)
[4] Top cover
[5] Terminal block covers
[6] Input display LEDs (red)
[7] Extension device connecting
connector cover
[8] Operation status display LEDs
[9] Output display LEDs (red)
[10] Model name (abbreviation)
[11] DIN rail mounting hooks
[3] [4]
[2]
[1]
[10]
[11]
The peripheral device connector, variable analog potentiometers and RUN/STOP switch
are located under this cover.
The signal names for power supply, input and output terminals are shown.
Mount the expansion board and memory cassette under this cover.
Mount the expansion board, display module, memory cassette and battery under this
cover.
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.
Connect the extension cables of input/output powered extension unit/block or special
function block to the extension device connecting connectors under this cover.
FX Series extension devices and FX
3U
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
POW
RUN
ERR
ALM
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 (35mm (1.38") wide).
2 Features and Part Names
2.2 Names and Functions of Parts
[5]
[6]
[7]
[8]
[9]
Series extension devices can be connected.
2N
→ For details on the extension devices, refer to
Chapter 15, Chapter 16, Chapter 17 and Section 18.1.
→ For details on the operation status, refer to Section 14.5.
Display color
Green On while power is on the PLC.
Green On while the PLC is running.
Red Flashing when a program error occurs.
Red Lights when a CPU error occurs.
Lights when the battery voltage drops.
Red
(When the optional battery is used)
Description
25
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3
4
5
6
7
8
9
10