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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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FLEX I/O and FLEX I/O XT Product Profile FLEX I/O and FLEX Ex I/O Selection Guide
1794 FLEX I/O-I/O Modules
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Overview

  • Digital and analog modules plus a breadth of specialty modules support a wide variety of applications
  • Removal and Insertion Under Power (RIUP) lets you replace modules and make cable connections while the system is in operation
  • 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 module
  • Pulse counter modules

Additional Information

Our PartnerNetwork™ offers complementary product solutions for 1794 Flex I/O modules through the Encompass Product Reference 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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Specifications

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

Certifications

ATEX CertificationATEX Certification
CSA MarkCanadian Standards Association Mark
C-TICK CertificationC-TICK Certification
DeviceNetDeviceNet
UL MarkedUL Marked
  • UL Class I, Div 2
  • CE
  • ATEX
  • CSA Class I, Div 2
  • C-Tick
  • Marine certification
  • SIL 2
  • ODVA
  • ControlNet

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
FLEX I/O and FLEX Ex I/O Selection Guide 1794-SG002
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