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1794-IE12

Input Module
In Stock

Product Information:

Reliable input component from the

Flex I/O 1794 series. It operates within

a nominal power supply voltage range

of 10.5 to 31.2 volts DC, with a typical

rating of 24 volts DC and a FLEXBus

current requirement of 80 mA.

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Technical specifications for 1794-IE12

  • Manufacturer:
    Allen-Bradley
  • Product Category:
    PLC System
  • Spare Part Number:
    1794IE12
  • Estimated shipping dimensions:
    9.2x5.4x4.8cm
  • Weight:
    0.1 kg
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
  • Product Line:
    Flex I/O 1794
  • FLEXBus Current:
    80 mA
  • Nominal Power Supply Rating:
    24V DC
  • Nominal Power Supply Voltage Range:
    10.5-31.2V DC
  • Max. Continuous Isolation Voltage:
    50V
  • Max. Power Dissipation:
    1.2 Watts at 31.2V DC
  • Wire Type:
    Shielded Wire
  • Enclosure Type:
    None (Open-Style)
  • Stock:
    20

Revisions

Revision Part #

Also known as

1794-IE12/A
1794-IE12 Ser A, Series A, Rev A

Information

Overview Manuals Working environmental Key Applications

Features:

  • Reliable input component from the Flex I/O 1794 series
  • It operates within a nominal power supply voltage range of 10.5 to 31.2 volts DC
  • With a typical rating of 24 volts DC and a FLEXBus current requirement of 80 mA
The Allen Bradley Flex I/O 1794-IE12 input module from the 1794 series is a critical interface in a variety of automation applications. It ensures efficient operation within a rated input voltage range of 24V DC (but supports 10.5 to 31.2V DC). The module requires 80mA of FLEXBus current to operate, which is crucial for its performance in distributed I/O setups.

The input module uses shielded cables, and both signal and power ports comply with Category 2 standards, ensuring safe, reliable, and interference-free connections. Its open design allows for flexible installation and easy integration into existing applications. The push-button switch is positioned at position 3 for standardized use in compatible systems.

The 1794-IE12 Allen Bradley Input Module may still be available for purchase and support from Moore Automated Company beyond End-Of-Life (EOL) by the manufacturer (OEM).
Allen Bradley 1794-IE12 Input Module manual(Datasheets), Link Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
In terms of environmental adaptability, the 1794-IE12 operates efficiently in a temperature range of -4 to 140 degrees Fahrenheit and can withstand extreme storage temperatures from -40 to 185 degrees Fahrenheit. Furthermore, it can withstand shocks up to 30G, enhancing its durability in industrial environments.
Its high-density 12-channel design enables it to serve as a compact communication bridge between remote field devices and centralized controllers such as ControlLogix or CompactLogix.
 
  • Process Monitoring: Ideal for aggregating multiple analog signals, such as:
  • Oil and Gas: Acquiring pressure, flow, and temperature data from remote well sites.
  • Water Treatment: Monitoring pH and chemimetric sensors.
  • Food and Beverage: Managing temperature and flow sensors in packaging and filling lines.
  • Rack Mounting: Designed for space-constrained industrial racks, reducing the total number of modules required for large systems.
  • Maintenance Optimization: Supports live removal and plugging/unplugging (RIUP), allowing modules to be hot-swapped without shutting down the entire system, significantly reducing downtime.

Ask our team:

  • What is the architectural role of the 1794-IE12 in a FLEX I/O distributed control topology?
    The 1794-IE12 is a high-density analog input interface designed to digitize field analog signals and transmit them to the host controller via the FLEX I/O backplane. It supports deterministic acquisition of process variables, such as current and voltage, in modular, distributed automation architectures.
  • How does the 1794-IE12 optimize multi-channel analog signal acquisition in high-throughput industrial environments?
    The 1794-IE12 provides twelve single-ended input channels, supporting simultaneous monitoring of multiple process signals while minimizing panel space and wiring complexity. Its multiplexing architecture supports efficient scanning without compromising measurement accuracy.
  • What signal modes does the 1794-IE12 support? How does this versatility enhance application flexibility?
    The 1794-IE12 supports dual-mode input ranges for both current (0–20 mA / 4–20 mA) and voltage (±10 V). This dual-mode capability allows for the integration of sensors, transmitters, and instrumentation into a single module, applicable to various process fields such as chemical processing, energy management, and manufacturing automation.
  • Why is the resolution of the 1794-IE12 crucial for precision process control applications?
    The 1794-IE12 provides high-resolution analog-to-digital conversion, accurately representing subtle signal changes. This accuracy supports advanced control strategies, including closed-loop PID regulation and predictive analytics.
  • How does the 1794-IE12 improve diagnostic transparency and system reliability?
    The 1794-IE12 provides comprehensive diagnostic feedback, including status indicators and fault reports. These diagnostic functions quickly identify line problems, signal anomalies, and module health conditions.
  • Why is channel density an important consideration when deploying the 1794-IE12?
    The 12-channel configuration of the 1794-IE12 reduces cost per channel and rack space footprint, making it ideal for large-scale monitoring scenarios, especially those requiring efficient integration of numerous analog inputs.
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Moore Disclaimer: Moore Automated's sales automation equipment and related solutions are intended for industrial automation and business operational efficiency improvement purposes only. Product information, technical parameters, and application cases are for reference only and do not constitute an absolute guarantee of performance for any specific industry, scenario, or final application. Actual equipment performance may vary depending on factors such as the usage environment, system integration method, and maintenance conditions. Users should confirm compatibility and safety based on professional technical assessments. Moore Automated assumes no liability for any direct or indirect losses caused by improper use, modification, or failure to operate according to specifications, to the extent permitted by law.