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Allen-Bradley 1756-OF8I ControlLogix 8-channel isolated analog output module

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Allen-Bradley 1756-OF8I

by Allen-Bradley

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OverviewThe Allen-Bradley 1756-OF8I is a high-performance ControlLogix 8-channel isolated analog output module, engineered to deliver exceptional accuracy and dependable operation in challenging industrial automation environments. This module seamlessly integrates into ControlLogix PLC systems, offering robust command over a wide array of industrial processes. Featuring eight independently isolated analog output channels, the 1756-OF8I effectively mitigates signal interference, ensuring outstanding signal integrity crucial for applications demanding critical precision and stability. Its versatility is further enhanced by support for both voltage and current output signals, providing adaptable solutions for diverse control needs. Designed to meet the stringent requirements of contemporary industrial automation, the 1756-OF8I module is a vital component for system architects and engineers focused on optimizing performance, minimizing downtime, and achieving superior operational control. Independent channel isolation prevents issues like ground loops and crosstalk, delivering a clean and stable signal output, which is paramount for sensitive instrumentation and process control systems.Key Features 8 Individually Isolated Analog Output Channels: Guarantees maximum signal integrity and prevents interference, essential for critical applications. Versatile Output Signal Support: Accommodates both voltage (±10V, 0-10V) and current (0-20mA, 4-20mA) outputs for broad application compatibility. High-Resolution 15-bit Digital-to-Analog Conversion: Provides exceptionally accurate and precise signal output for fine-tuned regulation. Robust 36-Pin Connection Interface: Ensures secure and stable wiring connections, improving system reliability and simplifying installation. Integrated Diagnostics and LED Indicators: Offers real-time status monitoring and streamlines troubleshooting, minimizing operational interruptions. Seamless ControlLogix System Compatibility: Guarantees effortless integration and optimal performance within existing Allen-Bradley ControlLogix architectures. Technical Specifications Model: 1756-OF8I Series: ControlLogix Number of Outputs: 8 (Individually Isolated) Output Signal Types: Voltage: 0-10V, ±10V; Current: 0-20mA, 4-20mA Resolution: 15-bit Conversion Rate: 250µs per channel Isolation: 750V AC between channels Backplane Current Draw: 250mA at 5.1V DC, 150mA at 24V DC Operating Temperature: 0°C to 60°C (32°F to 140°F) Mounting: Chassis Mount (ControlLogix System) Connector Type: 36-Pin Terminal Block Applications Precise Process Control and Industrial Automation: Enables highly accurate analog output for sophisticated system control in critical industries. Motor and Actuator Drive Systems: Provides stable and reliable current/voltage signals for precise control of motors, valves, and other actuators. Factory and Machine Automation: Ideal for implementing advanced proportional control systems, including flow, pressure, and temperature regulation. Instrumentation and Data Acquisition: Supports real-time monitoring and control in complex test and measurement setups, ensuring data integrity. Robotics and Manufacturing: Facilitates intricate motion control and process parameter adjustments in automated manufacturing lines. Why Choose This Model?Unmatched Signal Integrity: Individually isolated outputs virtually eliminate interference, guaranteeing the most accurate and stable signals.Optimized for ControlLogix: Designed for seamless integration, maximizing the performance and capabilities of your existing Allen-Bradley PLC systems.Superior Control Resolution: 15-bit conversion ensures extremely fine control over output signals, essential for sensitive and critical applications.Reliability in Demanding Environments: Built with robust components and design principles to withstand harsh industrial conditions, ensuring long-term operation.Reduced System Complexity: Integrated diagnostics and straightforward connectivity simplify installation and maintenance.Order NowEnhance your industrial automation systems with the Allen-Bradley 1756-OF8I analog output module. Contact Palm Parts Solution today to place your order or request a quote.FAQWhat is the primary function of the Allen-Bradley 1756-OF8I module?The 1756-OF8I module serves as an 8-channel isolated analog output module for ControlLogix PLC systems, providing precise control over various industrial processes.How does the isolation feature benefit industrial applications?Individual channel isolation prevents signal interference, ground loop issues, and crosstalk, ensuring exceptional signal integrity and stability for critical applications.What types of output signals does this module support?The 1756-OF8I supports both voltage (±10V, 0-10V) and current (0-20mA, 4-20mA) output signals, offering flexibility for diverse control requirements.Is this module compatible with existing ControlLogix systems?Yes, the 1756-OF8I is designed for seamless integration and optimal performance within existing Allen-Bradley ControlLogix architectures.What is the resolution of the digital-to-analog conversion?The module features a high-resolution 15-bit digital-to-analog conversion, delivering exceptionally accurate and precise signal output for fine-tuned control.

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PRODUCT DETAILS

Allen-Bradley 1756-OF8I

Overview

This is a genuine Allen-Bradley component from the ControlLogix family. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem
  • Engineered to integrate inside ControlLogix installations

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes for the ControlLogix family

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 1756-OF8I
  • Series: ControlLogix
  • Number of Outputs: 8 (Individually Isolated)
  • Output Signal Types: Voltage: 0-10V, ±10V; Current: 0-20mA, 4-20mA
  • Resolution: 15-bit
  • Conversion Rate: 250µs per channel
  • Isolation: 750V AC between channels
  • Backplane Current Draw: 250mA at 5.1V DC, 150mA at 24V DC
  • Operating Temperature: 0°C to 60°C (32°F to 140°F)
  • Mounting: Chassis Mount (ControlLogix System)
  • Connector Type: 36-Pin Terminal Block

Applications

  • Precise Process Control and Industrial Automation: Enables highly accurate analog output for sophisticated system control in critical industries.
  • Motor and Actuator Drive Systems: Provides stable and reliable current/voltage signals for precise control of motors, valves, and other actuators.
  • Factory and Machine Automation: Ideal for implementing advanced proportional control systems, including flow, pressure, and temperature regulation.
  • Instrumentation and Data Acquisition: Supports real-time monitoring and control in complex test and measurement setups, ensuring data integrity.
  • Robotics and Manufacturing: Facilitates intricate motion control and process parameter adjustments in automated manufacturing lines.

Why Choose the 1756-OF8I?

Unmatched Signal Integrity: Individually isolated outputs virtually eliminate interference, guaranteeing the most accurate and stable signals.

Optimized for ControlLogix: Designed for seamless integration, maximizing the performance and capabilities of your existing Allen-Bradley PLC systems.

Superior Control Resolution: 15-bit conversion ensures extremely fine control over output signals, essential for sensitive and critical applications.

Reliability in Demanding Environments: Built with robust components and design principles to withstand harsh industrial conditions, ensuring long-term operation.

Reduced System Complexity: Integrated diagnostics and straightforward connectivity simplify installation and maintenance.

Availability & Shipping

  • In stock: 1756-OF8I ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 1756-OF8I ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-OF8I module serves as an 8-channel isolated analog output module for ControlLogix PLC systems, providing precise control over various industrial processes.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

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Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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