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ArmorBlock I/O

Bulletin 1732 ArmorBlock I/O On-Machine Block

Bulletin 1732D, 1732E, and 1732P ArmorBlock® I/O provides low-cost, hardened, digital I/O suitable for on-machine use. Mount it anywhere on a machine for automotive, material handling, and semiconductor applications, or when diagnostics and local control are not needed. ArmorBlock I/O is available for DeviceNet™, EtherNet/IP™, and other networks. In addition, Armor WeldBlock I/O is suited for use in typical welding applications and is ideal for end-of-arm robot applications.


  • Water- and corrosion-proof plastic and nickel-plated aluminum sealed housing
  • Rated for IP69K and NEMA 4X (when marked) for use without an enclosure
  • Built-in communication adapter
  • As many as sixteen 24V DC points can be addressed per node
  • Self-configuring blocks contain both input and output functionality
  • Electronic fusing provides protection for output load devices
  • Industry-standard connectors lower installation costs and let you replace blocks without rewiring
  • Quick Connect terminations available on some blocks
  • Add-On Profiles available in the Studio 5000™ Logix Designer application


1732D ArmorBlock DeviceNet I/O Blocks

  • Built-in DeviceNet™ communication adapter and power supply
  • 8 or 16 points per block
  • Network-powered I/O circuits on some blocks

1732E ArmorBlock EtherNet/IP I/O Blocks

  • Built-in EtherNet/IP™ communication adapter and power supply
  • 8 or 16 points per block
  • CIP Sync available on some blocks
  • Dual-port version with embedded switch technology supports device-level ring (DLR) topology
  • Quick Connect terminations available on some blocks

1732P ArmorBlock PROFIBUS DP I/O Blocks

  • Built-in PROFIBUS DP communication adapter
  • 8 or 16 configurable points per block

1732D/E Armor WeldBlock I/O Blocks

  • Built-in DeviceNet or EtherNet/IP communication adapter and power supply
  • Resist the effects of weld slag and magnetic fields found in close proximity to weld heads
  • 16 input points
  • Quick Connection terminations available on some blocks


  • c-UL-us, CE, C-Tick

Certifications apply when product is marked. See our Product Certification site for Declarations of Conformity, certificates and other certification details.

Learn More

  • By moving industrial controls and hardware closer to your application, our On-Machine solutions help reduce installation costs and offer significant time savings through easier troubleshooting and maintenance.
  • The Embedded Switch Technology embeds popular Ethernet switch features directly into your hardware to support high performance applications, without the need for additional configuration. This technology enables linear and device-level ring topologies for EtherNet/IP applications.
  • Rockwell Automation Integrated Architecture Solutions provide the foundation to drive plantwide optimization efficiently and effectively, enabling you to respond competitively to the economy and changes in consumer demand.

Frequently Viewed Publications

ArmorBlock I/O Product Profile1732-PP001
Bulletin 1732 ArmorBlock I/O Modules Selection Guide1732-SG001
More 1732 ArmorBlock and Armor WeldBlock I/O publications in Literature LibraryAll Languages

Product Catalog

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See our Product Certification site for Declarations of Conformity, certificates and other certification details.

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We offer a variety of accessories for your ArmorBlock® I/O Modules, including:

  • Auxiliary power connection mating cables
  • I/O connection mating cables
  • Network connection mating cables

View all ArmorBlock I/O Module accessories