LE3U PLC

  • Support Mitsubishi GX-Develoer\GX-WORK2
  • Support for human-machine interface connection, the application is completely equivalent to Mitsubishi FX3U
  • Support ladder programming, download, monitoring. 
  • The programming port used for program download and communication with the human machine 
  • This PLC adopts an industrial-grade 32-bit MCU with strong anti-interference, and its running speed far exceeds that of FX3U. 
  • This PLC transmission baud rate is 38400

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LE3U PLC Manual

Test Video and Plc Program Example

LE3U PLC WIRE

le3u-24mt wire
le3u-32mt wire
le3u-48mr wire

LE3U Cell

DB9 connector pinout

2 (Rxd), 3 (Txd), 5 (GND) pin

LE3U FAQ

1. DC+ 24V power supply input positive pole
2. DC- 24V power supply input negative pole
3. Com Input common, low level
4.What is ” JO” CAL & CAH ?
CAN function is temporarily not supported
5.The working principle of RS485 communication is as follows:
Our le3u series PLC support MODBUS-RTU

LE3U PLC Connect MCGS HMI

LE3u-MCGS examplc

LE3U PLC Upload and Download

Do not connect with rs232c

Must be create new project, not load project from PLC

AD and DA I can do input and output how to read and write

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33 thoughts on “LE3U PLC”

  1. Olá amigo PLC FX3U
    Eu utilizo GX developer para programar só que esta acontecendo o seguinte
    Não aparece para mim o transfer setup para que eu possa escolher a porta serial
    você pode por gentileza me ajudar

    Reply
  2. I want to read analog input on the first LE3u from the second LE3U using RD3A k1 k0 D1, can I need to rs485 physical port or protocol, what is other method, and how to connect wires to can be using the second LE3U board as a extension module. Please guide for me, sent guiding document to dhauto.ltd@gmail.com. thanks so much.

    Reply
  3. Power off . my fx3u-32mt device doesn’t remember the data. specifically from d200~d7999 will go to 0. is there any solution. battery ok

    Reply
  4. for acceleration deceleration i tried setting m8144 M8145 for Y0 in all PLSY PLSV DRVI DRVA
    does not seem to reponse. please help.

    Reply
  5. im stucked with using rs486. its not responding. can anyone help me tolve my prblem please.
    thanks,
    my whatsap is +9477***32548

    Reply
  6. Hello, does this PLC has self-diagnostic function? I have one L3U PLC in my hand now, and I need to test the self-diagnostic function.

    Reply
  7. I purchased the FX3U-48MR24 PLC. The communication cable did not come when purchased. I wanted to know what the pinout of that cable is so I can make one, since I can’t communicate with the FX3U. Note: I am using a ditect usb-rs232 converter but it does not communicate.

    Reply
  8. 1. Hi, how to install GX simulator 7.16 E, since nothing happens when installed?

    2. How to activate the function start ladder logic test (for simulation) on GX-Developer 8.5?

    Reply
  9. I need to connect plc Le3u with coolmay TK6070FH hmi, I tried many time but still can’t communicate both of them. Please kindly advice.

    Reply

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