Modicon TM3 Expansion I/O modules for M221, M241, M251

Modicon TM3 I/O system specially designed for the Modicon M221, M241 and M251 logic controllers!

Part of Modicon

Flexible I/O expansion modules for M221, M241 & M251 Modicon PLCs. Includes digital and analog as well as mixed I/O. Also, includes special modules designed specifically for Machine Safety control. Up to 7 modules can be connected directly to the PLC. Also, the system can be expanded to include an additional set of 7 modules for a total of 14 modules and a couple hundred I/O points.
Modicon TM3 Expansion I/O modules for M221, M241, M251 Schneider Electric Modicon TM3 I/O system specially designed for the Modicon M221, M241 and M251 logic controllers!
  • Help and Contact Center
  • Contact Sales
  • Find our Offices
  • Where to Buy
  • Tech Support: 877-342-5173
  • Careers
  • Company Profile
  • Investors
  • Newsroom
  • Report a Misconduct
  • Product Documentation
  • Software and Firmware
  • Product Selector
  • Product Replacement
  • DigestPLUS Online Catalog
  • Industries
  • Partners
  • Schneider Electric Community
  • Events
  • Privacy Policy
  • Cookie Notice
  • Terms of use
  • Change your cookie settings