1794OF41

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Overview of Allen Bradley 1794-OF4I

The Allen Bradley 1794-OF4I is a Flex I/O isolated analog output module engineered for industrial automation systems requiring precise analog signal transmission. Featuring four individually isolated outputs, it is optimized for flexible deployment within distributed control architectures. This module supports a variety of output ranges—including ±10V, ±5V, 0–20mA, and 4–20mA—allowing seamless integration into many process control applications. Built for easy mounting on Flex I/O terminal bases such as 1794-TB2, 1794-TB3, and others, the 1794-OF4I simplifies wiring and installation, reducing downtime and maintenance requirements. With a durable open-style enclosure and conforming to rigorous industrial standards, this module offers reliable performance, enhanced noise immunity, and straightforward diagnostics. Its compatibility with Allen Bradley PLCs and networked I/O solutions makes it widely applicable for modern plant automation.

Key Features of Allen Bradley 1794-OF4I

  • Four isolated analog output channels
  • Selectable output ranges: ±10V, ±5V, 0–20mA, 4–20mA
  • Data formats: 2’s complement, offset binary, binary
  • Red/green status indicator for module diagnostics
  • Supports multiple Flex I/O bases for flexible installation
  • 120V/250V isolation (depending on terminal base)
  • Designed for distributed automation and process control systems

Technical Specs of 1794-OF4I

  • Number of outputs: 4 isolated channels
  • External supply: 24V DC nominal (range: 19.2–31.2V DC)
  • External DC power supply current: 210 mA @ 24V DC
  • Power dissipation: 4.7 W max @ 31.2V DC
  • Thermal dissipation: 16 BTU/hr max @ 31.2V DC
  • Isolation voltage: up to 250V continuous (with 1794-TBN base)
  • Supported bases: 1794-TB2, TB3, TB3S, TB3T, TB3TS, TBN
  • Dimensions (HxWxD): 94 x 94 x 66 mm (3.7 x 3.7 x 2.6 in.)
  • Status indicator: 1 red/green LED

Applications / Use Case

Allen Bradley 1794-OF4I modules are used in distributed process control, providing analog output signals for precise regulation of actuators, valves, drives, and instrumentation. Commonly deployed in manufacturing plants, chemical processing environments, and utility facilities, the module allows for scalable expansion of analog output points in both centralized and remote I/O settings. The isolated outputs minimize ground loops and electrical interference, enhancing signal integrity for mission-critical operations. Integration is simple with Allen Bradley programmable controllers, enabling seamless development of complex automation routines. Industrial engineers rely on the 1794-OF4I for reliable analog output when monitoring or controlling flow, temperature, pressure, and position in automation projects where high accuracy and robust isolation are crucial.

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1794OF41

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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