Mitsubishi Electric MELSEQ FX3S Series User Manual page 28

FX Series Programmable Controllers
3S
User's Manual - Hardware Edition
When the top covers are open
[1]
[7]
[1] Optional equipment connector
[2] RUN/STOP switch
[3] Variable analog potentiometers
(except FX
3S
[4] Analog input terminal block
(only FX -30M/E-2AD)
3S
[5] Peripheral device connecting
connector (USB)
[6] Peripheral device connecting
connector (RS-422)
[7] Optional equipment connecting
screw holes (2 places)
When the terminal block covers are open
[1] Power supply terminals
[2] Input (X) terminals
[3] Output (Y) terminals
[4] Terminal cover
[5] Service power supply terminals
(only AC power type)
22
[2]
These holes are designed to secure the expansion board, display module and memory
cassette with screws.
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).
Two variable analog potentiometers are built in.
-30M/E-2AD) Upper side: VR1, Lower side: VR2
Two analog inputs are built in.
These terminals are for wiring the analog inputs.
Connect a programming tool (PC) to program a sequence.
Connect a programming tool to program a sequence.
These holes are designed to secure the expansion board and memory cassette with screws.
[1]
[5]
Connect the power supply to the main unit.
Wire switches and sensors to the terminals.
Wire loads (contactors, solenoid valves, etc.) to be driven to the terminals.
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.
Wire sensors or other external equipment to these terminals when the service power supply
(24 V DC) is used for such equipment.
[In the case of FX
[3]
[5]
[6]
→ For details on applicable peripheral devices, refer to Chapter 5.
→ For details on applicable peripheral devices, refer to Chapter 5.
[2]
[4] [3]
2 Features and Part Names
2.2 Names and Functions of Parts
□ □
-30M /E -2AD]
3S
[4]