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FLEX I/O Modules
Allen‑Bradley

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-IE4XOE2XT Flex XT 4 Input 2 Output Analog Module product image
1794-IE4XOE2XT Flex XT 4 Input 2 Output Analog Module
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1794 Flex, Flex Ex, Flex XT I/O System, Analog Combination Module, FLEX I/O-XT, 4 Inputs / 2 Single-Ended Outputs
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1794 Flex, Flex Ex, Flex XT I/O System, Input Module, 120VAC, 8  Isolated Inputs
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1794 Flex, Flex Ex, Flex XT I/O System, Output Module, 24V DC, 32 Sink Outputs
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1794-VHSC Flex 2 Point High Speed Counter Module product image
1794-VHSC Flex 2 Point High Speed Counter Module
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1794 Flex, Flex Ex, Flex XT I/O System, 2-Channel 1 Mhz Very High Speed Counter
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1794-IE8 Flex 8 Point Analog Input Module product image
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1794 Flex, Flex Ex, Flex XT I/O System, Analog Input Modules, 8 Single-Ended Inputs
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Overview Chevron DownChevron Down

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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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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Technology Partner Program

Our PartnerNetwork™ offers complementary product solutions for 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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FLEX I/O to FLEX 5000 I/O modernization

Discover how modernizing from FLEX I/O to FLEX 5000® I/O can help you become more resilient while maintaining efficiency.


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

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Documentation Chevron DownChevron Down
Technical Specifications Publication
FLEX I/O and FLEX I/O-XT Specifications 1794-SG002_-EN-P
FLEX I/O Power Supply Modules Specifications 1794-TD020_-EN-P
1794 FLEX I/O Communication Adapters Specifications 1794-TD014_-EN-P
1794 FLEX I/O Analog, TC and RTD Modules Specifications 1794-TD016_-EN-E
FLEX I/O Specialty Modules Technical Specifications 1794-TD017_-EN-E
1794 FLEX I/O Analog, TC and RTD Modules Specifications 1794-TD016_-EN-E
FLEX I/O HART Analog Modules Specifications 1794-TD018_-EN-E
Product Profiles Publication
FLEX I/O to FLEX 5000 I/O modernization eBook MIGRAT-PP066_-EN-P
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