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Allen-Bradley by Rockwell Automation logo

All Input/Output (I/O) Modules

Choose the Right I/O for Your Discrete, Hybrid, or Process Application.
FlexHA 5000 I/O in chassis with safety I/O in middle, showing front view
Input/Output (I/O) Selection
  • Chassis-based I/O
  • In-cabinet Distributed I/O
  • On-Machine Distributed I/O
  • High Availability Distributed I/O 

Benefit in your industrial automation journey with our extensive I/O offerings from chassis-based I/O for programmable controllers to industrially-hardened I/O rated up to IP69K and in-cabinet IP20-rated modular and block designs. Plus, your ideal safety solution starts with our safety I/O portfolio, which is TÜV-certified up to SIL 3, PLe, Cat. 4. Communication support includes IO-Link Technology, EtherNet/IP™, DeviceNet®, and more. 


Chassis-based I/O

Chassis-based I/O modules are designed for a particular Allen‑Bradley® controller family. You can install the I/O locally in the same controller chassis or closer to sensors and actuators by using I/O communication networks.

ControlLogix I/O Modules
ControlLogix I/O Modules
ControlLogix I/O Modules
Our 1756 ControlLogix® chassis-based I/O modules provide a full range of digital, diagnostic digital, analog, motion control, specialty I/O, and compute modules to meet your application needs.
Product Details
Compact 5000 I/O Modules
Compact 5000 I/O Modules
Compact 5000 I/O Modules
Our Bulletin 5069 Compact 5000™ I/O modules provide high-performance control in a compact design, and expand the performance capabilities of the Logix platform.
Product Details
Micro800 Expansion I/O Modules
Micro800 Expansion I/O Modules
Micro800 Expansion I/O Modules
Our modules snap firmly to the right side of Micro850 and Micro870 controllers, supporting both DIN rail and panel mount.
Product Details
Compact I/O Modules
Compact I/O Modules
Compact I/O Modules
These modules feature a rackless design that helps lower costs and reduce replacement parts inventory. A built-in removable terminal block provides connections to I/O sensors and actuators.
Product Details
SLC I/O Modules
SLC I/O Modules
SLC I/O Modules
Rockwell Automation announces that a number of Bulletin 1746 I/O modules are discontinued and no longer available for sale. Customers are encouraged to migrate to our Compact 5000™ I/O modules used with the Logix control platform.
Product Details
MicroLogix Expansion I/O Modules
MicroLogix Expansion I/O Modules
MicroLogix Expansion I/O Modules
These modules maximize flexibility of the I/O count and type. The modular, rackless design enhances cost savings and reduces replacement parts inventory. Modules can be either DIN Rail or panel mounted.
Product Details

In-cabinet Distributed I/O

In-cabinet (IP20) I/O modules can be distributed throughout your application and requires an enclosure. Options include analog, digital, safety, extreme environment, intrinsically safe (IS), and specialty modules.

FLEX 5000 I/O Modules
Allen-Bradley FLEX 5000 I/O Modules
FLEX 5000 I/O Modules

Our FLEX 5000™ I/O modules are a rugged and flexible distributed I/O solution, which allows you to choose your I/O to meet your operational needs. FLEX 5000 I/O enhances communication with 1 Gb EtherNet/IP™ connectivity, which offers higher speed and increased bandwidth. To provide flexibility in your network architecture, these modules includes 2 copper or 2 fiber ports (SFP) and support for DLR, Star, Linear, and PRP topologies.

Product Details
FLEX I/O Modules
Allen-Bradley FLEX I/O Modules
FLEX I/O Modules

Our Bulletin 1794 FLEX™ I/O modules offer flexibility for your application with digital, analog, HART analog, and specialty I/O, with 4…32 points per module. You can mix and match digital and analog I/O with mounting and wiring options.

Product Details
Allen-Bradley POINT I/O
1734 POINT and POINT Guard I/O Modules

Our Bulletin 1734 POINT I/O™ modules are ideal for applications that require flexibility and low cost of ownership. The POINT Guard I/O™ safety-rated I/O modules can be used side by side in a standard POINT I/O system. Some modules feature DeviceLogix™ Smart Component Technology.

POINT I/O Modules POINT Guard I/O Modules
1718 Ex I/O Modules
Allen-Bradley 1718 Ex I/O Modules
1718 Ex I/O Modules

Our Bulletin 1718 Ex I/O modules are an intrinsically safe distributed I/O platform designed for Zone 1 hazardous areas, when placed in certified enclosures. This platform integrates field devices via EtherNet/IP™ in a compact, chassis-based I/O design.The form factor provides maximum efficiency and reduces the need for additional hardware and wiring.

Product Details
1719 Ex I/O Modules
Allen-Bradley  1719 Ex I/O Modules
1719 Ex I/O Modules

Our Bulletin 1719 Ex I/O modules are an intrinsically safe distributed I/O platform that can be mounted in Zone 2 or Class I, Div 2. This platform integrates devices in hazardous areas via EtherNet/IP™ in a chassis-based I/O design that provides maximum efficiency in a small space.

Product Details
CompactBlock LDX I/O Modules
Allen-Bradley CompactBlock LDX I/O Modules
CompactBlock LDX I/O Modules

Our Bulletin 1790D CompactBlock™ LDX I/O modules are a cost-effective distributed I/O solution for light industrial environments where high-protection specifications and advanced performance features are not required. Base blocks include I/O points and a built-in DeviceNet™ network adapter. Digital I/O expansion blocks provide the flexibility to add I/O points to your CompactBlock LDX I/O system.

Product Details
CompactBlock Guard Safety I/O Modules
Allen-Bradley CompactBlock Guard Safety I/O Modules
CompactBlock Guard Safety I/O Modules

Bulletin 1791DS and 1791ES CompactBlock™ Guard I/O™ modules provide the advantages of distributed I/O for safety systems. These modules work with safety controllers that communicate on DeviceNet™ or EtherNet/IP™ networks using CIP™ Safety. CompactBlock Guard Safety I/O is optimized to work with GuardLogix®, and SmartGuard™ controllers.

Product Details
Embedded I/O Modules
Allen-Bradley Embedded I/O Modules
Embedded I/O Modules

Our Bulletin 1799 Embedded I/O modules provide a standard interface between an input device and machine actuators. An available expansion board and universal I/O reduce your initial material investment, minimize inventory, reduce cost per I/O expansion, and maximize I/O use for each application.

Product Details

On-Machine Distributed I/O

On-Machine™ I/O modules can be mounted directly on a machine rather than in a remote, central cabinet. As a complete assembly of sensor and actuator interface points, with a network adapter, options include analog, digital, safety, and specialty modules.

ArmorBlock 5000 I/O Blocks
Allen-Bradley ArmorBlock 5000 I/O IO-Link master, catalog 5032-family
ArmorBlock 5000 I/O Blocks

Designed for use in harsh environments, our ArmorBlock 5000™ I/O offers the scalability that will help reduce total installation time and cost and unplanned downtime. The industrially-hardened blocks offer rating up to IP69K, three power variants, flexible mounting options, and Class A and Class B IO-Link ports.

Product Details
Allen-Bradley 1732 ArmorBlock I/O
ArmorBlock and ArmorBlock Guard I/O Modules

Our Bulletin 1732D and 1732E ArmorBlock® I/O modules provide low-cost, hardened I/O suitable for On-Machine use.

Our Bulletin 1732 ArmorBlock® Guard I/O™ modules provide the advantages of standard I/O for safety applications.

ArmorBlock I/O Modules ArmorBlock Guard I/O Modules
ArmorPOINT I/O Modules
Allen-Bradley 1738 ArmorPOINT I/O Module
ArmorPOINT I/O Modules

Our Bulletin 1738 ArmorPOINT® I/O supports producer/consumer technology, which allows input information and output status to be shared among multiple Logix controllers within high-speed digital and process applications.

Product Details

High Availability Distributed I/O

High availability I/O modules can be placed throughout your application and requires an enclosure. The modules provide I/O redundancy suitable for simplex and duplex connections and fault-tolerant applications.

FLEXHA 5000 I/O Modules
FlexHA 5000 I/O in chassis with safety I/O in middle, showing front view
FLEXHA 5000 I/O Modules

Cutting-edge platform that reduces hardware complexity and cost by using a more conveniently integrated design. FLEXHA 5000™ I/O enhances communication with 1 Gb EtherNet/IP™ connectivity, offering higher speed and increased bandwidth. Reducing both downtime and engineering time while limiting costs, this platform is designed to be a smarter, more efficient I/O solution. 

Product Details
Redundant I/O Modules
Allen-Bradley 1715 Redundant I/O Modules
Redundant I/O Modules

Our Bulletin 1715 Redundant I/O modules provide true redundant I/O support for critical process applications in standard and extreme operating environments.  With exceptional ease-of-use, premier diagnostics, and flexible configuration, these modules support fault tolerant capabilities without requiring additional hardware or software.

Product Details
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