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Allen-Bradley 1756-OF4 4-channel analog output module for ControlLogix applications.

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Allen-Bradley 1756-OF4

by Allen-Bradley

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OverviewAttain exact analog regulation within your industrial automation setup using the Allen-Bradley 1756-OF4, a robust 4-channel analog output module crafted for ControlLogix® systems. This vital component provides highly accurate and dependable voltage or current signals, facilitating seamless command over diverse external equipment. From advanced actuators and variable frequency drives to crucial process valves, the 1756-OF4 guarantees meticulous regulation in even the most demanding environments. Its innovative single-ended output design offers exceptional adaptability, accommodating both current (0–20 mA, 4–20 mA) and voltage (±10V, 0–10V) ranges to fulfill your application’s specific needs. Experience unparalleled integration simplicity through Studio 5000 Logix Designer®, allowing for rapid configuration and deployment. Whether you are fine-tuning intricate process control loops or optimizing precise motion applications, the 1756-OF4 serves as a foundation for reliable and efficient operation.Key Features Versatile 4-Channel Analog Outputs: Offers four independent single-ended outputs, user-configurable for either voltage or current signals to suit varied application demands. Broad Output Range Compatibility: Supports a wide selection of voltage ranges (0–10V, ±10V) and current ranges (0–20 mA, 4–20 mA) for maximum flexibility. Superior Accuracy & Resolution: Delivers stable, highly precise, and reliable analog control signals essential for critical industrial processes. Real-Time Channel Status LEDs: Integrated diagnostic LEDs provide immediate visual feedback on each channel's operational status, simplifying troubleshooting and upkeep. Hot-Swappable Design: Engineered for minimal operational disruption, allowing module replacement without requiring system shutdown, ensuring continuous productivity. Seamless Studio 5000 Integration: Facilitates effortless programming, configuration, and monitoring within the familiar and powerful Studio 5000 Logix Designer environment. Robust Industrial Construction: Built to endure harsh industrial conditions, ensuring long-term reliability and peak performance in challenging settings. Technical Specifications Catalog Number: 1756-OF4 Number of Outputs: 4 Output Type: Single-ended (configurable for current or voltage) Resolution: 16 bits Accuracy: ±0.1% of full scale (typical) Isolation Voltage: 250V continuous Backplane Current: Approximately 140 mA @ 5.1V DC Output Load: Voltage: ≥1k ohms; Current: ≤750 ohms Operating Temperature: 0°C to +60°C Compatible Terminal Blocks: Requires 1756-TBNH or 1756-TBSH (sold separately for field wiring connections) Connector Type: 20-pin RTB (Removable Terminal Block, sold separately) Mounting: Designed for secure installation within a standard ControlLogix chassis Applications Advanced Process Control Systems: Provides the critical analog signal output for precise regulation of valves, actuators, pumps, and process instrumentation in industries such as chemical, oil and gas, and food & beverage. Dynamic Motion Control: Generates accurate command signals for variable speed drives, servo systems, and positioners, enabling smooth and controlled motion in manufacturing and robotics. Comprehensive Industrial Automation: Serves as a versatile analog signal source for a wide array of industrial automation tasks, including data acquisition, monitoring, and control of diverse analog devices. OEM Machine Builders: Offers a flexible and reliable solution for original equipment manufacturers requiring customizable analog signal generation for their bespoke machinery and systems. Energy Management: Can be used in energy optimization applications to control analog components that regulate power consumption in industrial facilities. Water and Wastewater Treatment: Ideal for controlling pumps, valves, and chemical dosing systems that rely on precise analog inputs for efficient operation. Why ChooseChoosing the Allen-Bradley 1756-OF4 from Palm Parts Solution guarantees you a high-performance, dependable analog output module crucial for your ControlLogix systems. Our commitment to quality ensures you receive products that integrate seamlessly and perform flawlessly in demanding industrial settings. With the 1756-OF4, you gain unparalleled precision and flexibility for your automation needs, backed by our expert support.Order NowEnhance your industrial automation capabilities today. Place your order for the Allen-Bradley 1756-OF4 analog output module through Palm Parts Solution. Contact our sales team for pricing and availability, ensuring your operations benefit from this essential component.FAQHow many output channels does the Allen-Bradley 1756-OF4 provide?The 1756-OF4 module features four independent single-ended output channels, configurable for either voltage or current signals.What types of signals can the 1756-OF4 output?This module supports both voltage (0–10V, ±10V) and current (0–20 mA, 4–20 mA) output ranges, offering broad compatibility for various industrial devices.Is the 1756-OF4 compatible with ControlLogix systems?Yes, the Allen-Bradley 1756-OF4 is specifically engineered for seamless integration and operation within ControlLogix® systems using Studio 5000 Logix Designer®.Can I replace the module without shutting down my system?The 1756-OF4 features a hot-swappable design, allowing for module replacement without interrupting your system's operation, thus minimizing downtime.What terminal blocks are compatible with the 1756-OF4?The module requires either the 1756-TBNH or 1756-TBSH terminal blocks, which are sold separately for wiring connections.

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PRODUCT DETAILS

Allen-Bradley 1756-OF4

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

  • Catalog Number: 1756-OF4
  • Number of Outputs: 4
  • Output Type: Single-ended (configurable for current or voltage)
  • Resolution: 16 bits
  • Accuracy: ±0.1% of full scale (typical)
  • Isolation Voltage: 250V continuous
  • Backplane Current: Approximately 140 mA @ 5.1V DC
  • Output Load: Voltage: ≥1k ohms; Current: ≤750 ohms
  • Operating Temperature: 0°C to +60°C
  • Compatible Terminal Blocks: Requires 1756-TBNH or 1756-TBSH (sold separately for field wiring connections)
  • Connector Type: 20-pin RTB (Removable Terminal Block, sold separately)
  • Mounting: Designed for secure installation within a standard ControlLogix chassis

Applications

  • Advanced Process Control Systems: Provides the critical analog signal output for precise regulation of valves, actuators, pumps, and process instrumentation in industries such as chemical, oil and gas, and food & beverage.
  • Dynamic Motion Control: Generates accurate command signals for variable speed drives, servo systems, and positioners, enabling smooth and controlled motion in manufacturing and robotics.
  • Comprehensive Industrial Automation: Serves as a versatile analog signal source for a wide array of industrial automation tasks, including data acquisition, monitoring, and control of diverse analog devices.
  • OEM Machine Builders: Offers a flexible and reliable solution for original equipment manufacturers requiring customizable analog signal generation for their bespoke machinery and systems.
  • Energy Management: Can be used in energy optimization applications to control analog components that regulate power consumption in industrial facilities.
  • Water and Wastewater Treatment: Ideal for controlling pumps, valves, and chemical dosing systems that rely on precise analog inputs for efficient operation.

Why Choose the 1756-OF4?

Choosing the Allen-Bradley 1756-OF4 from Palm Parts Solution guarantees you a high-performance, dependable analog output module crucial for your ControlLogix systems. Our commitment to quality ensures you receive products that integrate seamlessly and perform flawlessly in demanding industrial settings. With the 1756-OF4, you gain unparalleled precision and flexibility for your automation needs, backed by our expert support.

Availability & Shipping

  • In stock: 1756-OF4 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-OF4 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1756-OF4 module features four independent single-ended output channels, configurable for either voltage or current signals.

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.

CUSTOMER REVIEWS

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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.

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