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M20 I/O Interface Board

The M20 is ExtraTech's low cost interface board. It provides the following features. . .

  • 4 Optically isolated solid state relays
  • 4 Optically isolated limit inputs
  • 4 Configurable user or limit inputs
  • Small board size, sets beside controller

The M20 supports 4 step and direction outputs -- one X, one Y, one Z, and one tandem X.

Technical details about this product can be found on the M20 wiring page.