AB 1734-EP24DC 24V Dc Power/Bus Extension Module
Manufacturer Allen-Bradley
Mfg Catalog # 1734-EP24DC
OneSource Part # 1673213
Our Bulletin 1734 POINT I/O™ modules offer 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.


  • Modular design lets you independently select the I/O, termination style, and network interface
  • Modules slide together for easy install and uninstall for easier maintenance
  • Removable wiring system saves time and money during installation and troubleshooting
  • Comprehensive diagnostics and configurable features makes POINT I/O™ easy to apply
  • Removal and Insertion Under Power (RIUP) lets you replace modules while the system is in operation
  • Mount horizontally or vertically, with no de-rating required
  • Auto Device Replacement (ADR) reduces downtime
  • Add-On-Profiles in the Studio 5000™ Logix Designer application provide smooth integration into Integrated Architecture systems
  • 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
  • Each point can be configured as a DC input or output
  • Available with DeviceLogix™ technology
  • 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
  • Counter and encoder modules
  • Synchronous Serial Interface Absolute Encoder module
  • Serial interface modules (RS-232, RS-485/RS-422)
  • Address Reserve (ARM) module
  • Supports connection to IO-Link enabled devices with the IO-Link master module


  • CE
  • C-Tick
  • ODVA
  • ATEX
  • KCC

For TÜV and SIL certification details, see the Safety Certificates and SIL link.


Power Supplies

24V DC Power/Bus Extension Module


Plan View Drawings (3d Format)
3 View Dimension Drawings (3d Format)

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