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Allen-Bradley Hardware Product

FLEX I/O Modules

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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.

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1794 FLEX I/O-I/O Modules
  • Overview
  • Product Selection
  • Specifications
  • Documentation
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Overview

  • Modular design provides the flexibility to select the I/O, termination style and network interface independently
  • Supports a wide variety of applications with digital, analog and specialty modules
  • Allows users to replace modules and make cable connections while the system is in operation with easy snap-on installation via Removal and Insertion Under Power (RIUP)
  • FLEX I/O-XT™ extreme environment modules are rated for -20...70 °C (-4...158 °F) and are compatible with the ControlLogix-XT™ extreme environment system
  • Conformal coated modules are available
  • Each I/O module requires a terminal base for connection points for I/O wiring

1794 FLEX I/O Digital Modules

  • Cover a wide electrical range
  • Densities range from 8...32 points
  • Isolated inputs or outputs, protected outputs, electronic fusing, or diagnostics available on some modules

1794 FLEX I/O Analog Modules

  • Individually configurable channels
  • Selectable input filters on many modules
  • Single-ended or differential inputs
  • On-board scaling
  • Internal calibration
  • Thermocouple, RTD, and HART (Highway Addressable Remote Transmitter) modules available

1794 FLEX I/O Specialty Modules

  • Frequency modules
  • Very high speed counter modules
  • Pulse counter modules
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Our PartnerNetwork™ offers complementary product solutions for 1794 FLEX I/O modules through our Technology Partner program. You can sort and filter products from best-in-industry suppliers in your region to connect to the Rockwell Automation® architecture, or to use with our products.

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Product Selection

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Specifications

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FLEX I/O and FLEX Ex I/O Selection Guide

Certifications

ATEX CertificationATEX Certification
C-TICK CertificationC-TICK Certification
UL Marked Component Mark Canadian and United States RequirementsUL Marked Component Mark Canadian and United States Requirements
DeviceNetDeviceNet
RCM CertificationRCM Certification
UL MarkedUL Marked
  • ATEX
  • C-Tick
  • CE Marked
  • ControlNet
  • cULus Marked
  • IECEx
  • Marine certification
  • Morocco
  • ODVA
  • RCM
  • SIL 2
  • UKCA
  • UL Marked, Class I, Div 2

FLEX I/O conformal coated products meet or exceed the following standards:

  • ANSI / ISA-S71.04-1985, Class G1, G2, and G3 environments
  • CEI IEC 6065A-4 Class 1 and 2 environments
  • UL 746E

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

Looking for Additional Information?

To find additional product information including CAD drawing files, 3D models and more use our Product Catalog.

Product Catalog

Documentation

Resource Publication Number Language
FLEX I/O and FLEX I/O XT Product Profile 1794-PP019
English
FLEX I/O and FLEX Ex I/O Selection Guide 1794-SG002
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