POINT I/O modules

Bulletin 1734 POINT I/O™ offers digital, analog, and specialty I/O, as well as POINT Guard safety-rated I/O, with one to eight points per module. You can mix standard and safety I/O in the same system. Comprehensive diagnostics and configurable features make POINT I/O easy to apply.


  • One to eight I/O points per module
  • Up to eight modules per assembly, for a maximum of 128 I/O
  • Removal and Insertion Under Power (RIUP) eases maintenance
  • Snaps into a terminal base assembly on the DIN rail

1734 POINT I/O™ Digital modules

  • Input, output, and relay output modules
  • Wide variety of voltages
  • Point-level output fault states for short-circuit and wire-off diagnostics
  • Field-side diagnostics on select modules
  • Choice of direct-connect or rack-optimized communications
  • POINT Guard I/O™ modules for safety applications
  • Configurable modules
  • Each point can be configured as a DC input or output
  • Available with DeviceLogix™ technology

1734 POINT I/O Analog modules

  • Up to eight single-ended inputs or outputs per module
  • Thermocouple and RTD modules available
  • Individually configurable channels
  • On-board scaling
  • Selectable input filters
  • Over- and under-range detection

1734 POINT I/O Specialty modules

  • Counter and encoder modules
  • Synchronous Serial Interface Absolute Encoder module
  • Serial interface modules (RS-232, RS-485/RS-422)
  • Address Reserve (ARM) module