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Allen-Bradley 1756-OF8IH
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1756-OF8IH is a high-performance ControlLogix analog output module, engineered for demanding industrial automation and process control environments. This robust module provides 8 individually isolated output channels, each supporting advanced HART (Highway Addressable Remote Transducer) communication. This crucial isolation ensures superior signal integrity, preventing cross-channel interference and guaranteeing reliable operation in critical applications. Designed for seamless integration with Logix 5000 controllers, the 1756-OF8IH delivers precise 16-bit analog output, making it ideal for sophisticated control systems requiring unparalleled accuracy and diagnostic capabilities. It's the perfect solution for industries seeking enhanced control, monitoring, and simplified field device management.Key Features Eight Independent Analog Outputs: Enhances signal integrity and prevents interference in critical operations. Integrated HART Protocol: Enables advanced diagnostics, remote configuration, and detailed monitoring of compatible field devices from your control system. ControlLogix Platform Compatibility: Seamlessly integrates with Rockwell Automation's ControlLogix architecture for unified system management. High-Resolution 16-bit Output: Provides exceptional precision and accuracy for fine-tuned control of industrial processes. Standard Current Output: Supports common industrial current loops (e.g., 4–20 mA) for broad compatibility. Robust Electrical Separation: Offers channel-to-channel and channel-to-backplane isolation, improving system reliability and protecting against electrical noise. Technical Specifications Model: 1756-OF8IH Brand: Allen-Bradley / Rockwell Automation Channels: 8 isolated analog current outputs Output Type: Current (mA) HART Communication: Supported on each channel for intelligent device management Isolation: Channel-to-channel and channel-to-backplane Resolution: 16-bit for high-precision control Backplane Current (5.1V): Approximately 150 mA Backplane Current (24V): Approximately 200 mA Operating Temperature: 0°C to +60°C (32°F to 140°F) Mounting: Standard ControlLogix chassis Applications Advanced Process Control Systems: Implements precise and isolated analog control loops with integrated diagnostics for critical manufacturing and chemical processes. Industrial Instrumentation & Automation: Connects and intelligently manages a wide array of HART-compatible field devices, enhancing data acquisition and control. Oil & Gas Exploration & Production: Ideal for applications requiring robust isolation and reliable communication in harsh, demanding conditions. Water & Wastewater Treatment Facilities: Provides accurate and isolated control for pumping, filtration, and chemical dosing systems. Power Generation & Utilities: Integrates with intelligent transmitters and control systems for precise regulation and monitoring of plant operations. Pharmaceutical Manufacturing: Ensures highly accurate and compliant analog output control with enhanced diagnostic capabilities for sensitive processes. Why ChooseOpt for this module to maximize operational uptime, minimize maintenance expenses, and simplify system integration. Its individual channel isolation reduces the potential for widespread failures, ensuring continuous operation. The integrated HART communication facilitates proactive diagnostics, enabling early identification of field device issues before they lead to costly downtime. Engineered for the ControlLogix platform, this module offers effortless setup and programming within an existing Rockwell Automation framework, streamlining overall system management. The 16-bit resolution delivers highly accurate analog outputs, crucial for applications where precision is paramount.Order NowEnhance your industrial control system with the Allen-Bradley 1756-OF8IH. Contact us today for pricing and availability.FAQWhat is the primary benefit of isolated outputs in the 1756-OF8IH?The primary benefit of isolated outputs is enhanced signal integrity, which prevents cross-channel interference and improves overall system reliability, especially in critical applications.Can this module integrate with existing ControlLogix systems?Yes, the 1756-OF8IH is designed for seamless integration with Rockwell Automation's ControlLogix architecture, ensuring unified system management and programming.What kind of accuracy does the 1756-OF8IH offer?It offers high-resolution 16-bit output, providing exceptional precision for fine-tuned control of industrial processes and instrumentation.What is HART communication, and why is it important?HART (Highway Addressable Remote Transducer) communication enables advanced diagnostics, remote configuration, and detailed monitoring of compatible field devices, simplifying management and maintenance.What are the typical operating temperatures for this module?The module operates within a temperature range of 0°C to +60°C (32°F to 140°F).
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Allen-Bradley 1756-OF8IH
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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-OF8IH
- Brand: Allen-Bradley / Rockwell Automation
- Channels: 8 isolated analog current outputs
- Output Type: Current (mA)
- HART Communication: Supported on each channel for intelligent device management
- Isolation: Channel-to-channel and channel-to-backplane
- Resolution: 16-bit for high-precision control
- Backplane Current (5.1V): Approximately 150 mA
- Backplane Current (24V): Approximately 200 mA
- Operating Temperature: 0°C to +60°C (32°F to 140°F)
- Mounting: Standard ControlLogix chassis
Applications
- Advanced Process Control Systems: Implements precise and isolated analog control loops with integrated diagnostics for critical manufacturing and chemical processes.
- Industrial Instrumentation & Automation: Connects and intelligently manages a wide array of HART-compatible field devices, enhancing data acquisition and control.
- Oil & Gas Exploration & Production: Ideal for applications requiring robust isolation and reliable communication in harsh, demanding conditions.
- Water & Wastewater Treatment Facilities: Provides accurate and isolated control for pumping, filtration, and chemical dosing systems.
- Power Generation & Utilities: Integrates with intelligent transmitters and control systems for precise regulation and monitoring of plant operations.
- Pharmaceutical Manufacturing: Ensures highly accurate and compliant analog output control with enhanced diagnostic capabilities for sensitive processes.
Why Choose the 1756-OF8IH?
Opt for this module to maximize operational uptime, minimize maintenance expenses, and simplify system integration. Its individual channel isolation reduces the potential for widespread failures, ensuring continuous operation. The integrated HART communication facilitates proactive diagnostics, enabling early identification of field device issues before they lead to costly downtime. Engineered for the ControlLogix platform, this module offers effortless setup and programming within an existing Rockwell Automation framework, streamlining overall system management. The 16-bit resolution delivers highly accurate analog outputs, crucial for applications where precision is paramount.
Availability & Shipping
- ▸In stock: 1756-OF8IH 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-OF8IH ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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Independent Supplier Notice
PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.
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.