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Modicon M340


Far more than a PLC, our Modicon Programmable Automation Controllers (PACs) are built to suit the needs of the process industry and a wide range of demanding automation applications. Modicon M340 can be used individually but is also the perfect companion of Modicon Premium and Modicon Quantum, increasing the performance, the quality and the profitability of your industrial process, facilities or of your machines.

"All-in-one CPU"

  • 7 Kinst/ms
  • Multitasking system for guaranteed reflex time
  • USB port for programming and HMI
  • 2 additional ports as required: Ethernet, CANopen, Modbus

Comfortable memory

Programming code up to 70 Kinst.

Application back-up in supplied memory card Additional file storage up to 128 MB with FTP access.

Specific applications

Integrated RTU solution for Water, O&G, Power and Infrastructures

Process control (Integrated Process Control library)

High density analog I/O modules (New)

Counting PTO module

And more…

No battery required

Extended temperature (-25°C +70°C)

Protection of SI and OEM’s know-how by the SD card technology


Compact-shaped, Modicon M340 offers in small box flexibility and integrated functions. In the heart of your process, it provides you Plug&Work solutions with both Schneider Electric and third party devices. The large capacity of Unity Pro SoCollaborative software will ease and shorten your programming and commissioning time 2 offers are available for standard or severe environment. The protection of products dedicated to severe environment enables Modicon M340 products to be used in:

Harsh chemical environments

An extended temperature range from -25 to 70 °C.


  • Process industries
  • Renewable energies (Solar, Wind power, …)
  • Water, Cement
  • Manufacturing
  • Infrastructures
  • Machines