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Modicon M340 PAC

Driving performance with simplicity and integrated functionality

This mid-ranged Programmable Automation Controller can easily meet the needs of both standard industrial discrete control and the more demanding requirements of process and infrastructure control applications.

Far more than a PLC, our Modicon M340 Programmable Automation Controllers (PACs) are built to suit the needs of the process industry and a wide range of demanding automation applications. Modicon M340 PACs can be used individually, but are also the perfect companion to the Modicon M580. Together they can increase the performance, quality, and the profitability of your machine production, industrial process, or infrastructure project.

"All-in-one CPU"

  • 7 Kinst/ms
  • Multitasking system for guaranteed reflex time
  • Programmed with Unity™ Pro software
  • USB port for programming and HMI
  • Two additional ports as required: Ethernet, CANopen®, Modbus™.


  • Programming code up to 70 Kinst.
  • Application back-up in supplied memory card
  • Additional file storage up to 128 MB with FTP access.


And more…

  • No battery required
  • Extended temperature (-25°C +70°C) and conformal coating for operation in harsh environments
  • Protection of SI and OEM ‘know-how’ by use of SD card technology
  • Replace or ‘Hot-swap’ I/O Modules without stopping process
  • CCOTF - Configuration Change On The Fly. No need to stop the process to expand system.
  • FTD/DTM configuration tools for ‘plug ‘n play’ device integration. Simplifies configuration, commissioning, and maintenance.
  • Takes full advantage of the flexible Modicon X80 I/O platform. Over 80+ modules!

The Modicon M340 offers in a small form factor 
flexibility and integrated functions. In the heart of your process, it provides plug-and-play solutions with both Schneider Electric and third party devices. The large capacity of Unity Pro SoCollaborative software will ease and shorten programming and commissioning time.