Free Shipping Across the USA — Worldwide Delivery Available!
PALM Parts Solution
AccountQuote
In Stock Fast Shipping Available
Delta AS228R-A Digital I/O Expansion Module for industrial automation setups

*Image shown is a representation only. Actual product may vary.

Delta AS228R-A

by Delta Electronics

Read verified buyer reviews ↓

OverviewOptimize your industrial control systems with the Delta AS228R-A Digital I/O Expansion Module. Designed for seamless integration with Delta AS Series PLCs, this module provides 8 digital inputs for precise signal acquisition and 8 dependable relay outputs for reliable switching. It's an essential component for facilities requiring high reliability and operational flexibility, making it ideal for modern manufacturing and process control applications that demand superior performance and expandability.Key Features Expanded Digital I/O: Offers 8 versatile digital inputs and 8 durable normally open (NO) relay outputs, significantly boosting your PLC's control capabilities. AS Series Compatibility: Engineered for perfect compatibility and straightforward integration with existing Delta AS Series Programmable Logic Controllers. Industrial-Grade Reliability: Built to deliver consistent performance and stability in demanding industrial environments. Intuitive Status Monitoring: Equipped with LED indicators for clear, real-time visual feedback on module operation and I/O status. Versatile Load Management: Relay outputs are expertly designed to manage a broad spectrum of load types, ensuring wide application suitability. Effortless Installation: Crafted for simple setup and immediate system integration, reducing downtime and enhancing efficiency. Robust & Compact Design: Features a durable, space-saving construction that withstands rigorous industrial conditions while optimizing panel real estate. Technical Specifications Delta Code: AS228R-A Module Type: Digital I/O Expansion Module Digital Inputs: 8 channels Relay Outputs: 8 channels (Normally Open - NO) Input Voltage: 24 VDC Output Type: Relay Input Isolation: Optical isolation for enhanced signal integrity and protection Mounting Method: Standard DIN rail mounting for secure and convenient installation Operating Temperature: 0 °C to +55 °C Dimensions: Adheres to Delta AS Series standard module sizing Weight: Approximately 250 g Applications Advanced Industrial Automation: A core component for expanding control in complex automated systems. Precision Machine Control: Ideal for managing various machine functions and ensuring precise operational sequences. Comprehensive Process Monitoring: Facilitates robust input signal collection for accurate process oversight and data acquisition. Flexible Relay Switching: Provides reliable relay-based switching for motor control, solenoid activation, and indicator lights. AS Series PLC Expansion: Effortlessly extends the input and output capabilities of existing Delta AS Series PLC installations. Building Management Systems: Enhances control over HVAC, lighting, and security systems within commercial and industrial facilities. Why ChooseThe Delta AS228R-A is an excellent choice for engineers and system integrators aiming to upgrade their industrial control systems. Its reputation for reliability and longevity ensures a long operational lifespan, minimizing maintenance and maximizing uptime. Full compatibility with widely used Delta AS Series controllers enables seamless integration, preserving the integrity of your current infrastructure. This module offers exceptional flexibility in managing both digital inputs and relay outputs, allowing you to adapt your automation solutions to changing operational needs. Designed with a strong emphasis on enduring industrial performance, the AS228R-A is a strategic investment in the efficiency, stability, and future readiness of your automation processes.Order NowReady to enhance your industrial automation capabilities? Purchase the Delta AS228R-A Digital I/O Expansion Module today and experience improved control and reliability!FAQWhat is the primary function of the Delta AS228R-A module?The Delta AS228R-A is a digital I/O expansion module designed to extend the input and output capabilities of Delta AS Series PLCs by providing 8 digital inputs and 8 relay outputs.Is this module compatible with all Delta PLCs?No, the AS228R-A is specifically engineered for perfect compatibility and seamless integration with Delta AS Series Programmable Logic Controllers.What type of outputs does this module provide?This module provides 8 Normally Open (NO) relay outputs, which are versatile for managing different types of electrical loads.What is the operating temperature range for the AS228R-A?The Delta AS228R-A is designed to operate reliably within a temperature range of 0 °C to +55 °C, suitable for typical industrial environments.How is the module mounted?The AS228R-A utilizes standard DIN rail mounting, ensuring secure and convenient installation within industrial control panels.

🇺🇸 Ships from our Florida warehouse
1-Year PALM Parts Warranty
CONDITION
$757.99
17 in stock

USA — Free FedEx Priority & UPS Ground · Worldwide shipping available

For more quantity please contact Customer Service

Experts Available 24/7 · 365
+1 (689) 263-1985
sales@palmpartssolution.com

Fast Shipping

Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.

Availability

Thousands of parts in stock — ready for immediate dispatch from Florida.

Payment Flexibility

AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.

PRODUCT DETAILS

Delta AS228R-A

Overview

This is a genuine Delta Electronics component. 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 Delta Electronics catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Delta Electronics automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Delta Electronics 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 Delta Electronics 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 Delta Electronics platform with documented conversion notes

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

Technical Specifications

  • Delta Code: AS228R-A
  • Module Type: Digital I/O Expansion Module
  • Digital Inputs: 8 channels
  • Relay Outputs: 8 channels (Normally Open - NO)
  • Input Voltage: 24 VDC
  • Output Type: Relay
  • Input Isolation: Optical isolation for enhanced signal integrity and protection
  • Mounting Method: Standard DIN rail mounting for secure and convenient installation
  • Operating Temperature: 0 °C to +55 °C
  • Dimensions: Adheres to Delta AS Series standard module sizing
  • Weight: Approximately 250 g

Applications

  • Advanced Industrial Automation: A core component for expanding control in complex automated systems.
  • Precision Machine Control: Ideal for managing various machine functions and ensuring precise operational sequences.
  • Comprehensive Process Monitoring: Facilitates robust input signal collection for accurate process oversight and data acquisition.
  • Flexible Relay Switching: Provides reliable relay-based switching for motor control, solenoid activation, and indicator lights.
  • AS Series PLC Expansion: Effortlessly extends the input and output capabilities of existing Delta AS Series PLC installations.
  • Building Management Systems: Enhances control over HVAC, lighting, and security systems within commercial and industrial facilities.

Why Choose the AS228R-A?

The Delta AS228R-A is an excellent choice for engineers and system integrators aiming to upgrade their industrial control systems. Its reputation for reliability and longevity ensures a long operational lifespan, minimizing maintenance and maximizing uptime. Full compatibility with widely used Delta AS Series controllers enables seamless integration, preserving the integrity of your current infrastructure. This module offers exceptional flexibility in managing both digital inputs and relay outputs, allowing you to adapt your automation solutions to changing operational needs. Designed with a strong emphasis on enduring industrial performance, the AS228R-A is a strategic investment in the efficiency, stability, and future readiness of your automation processes.

Availability & Shipping

  • In stock: AS228R-A 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 AS228R-A ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Delta Electronics

The Delta AS228R-A is a digital I/O expansion module designed to extend the input and output capabilities of Delta AS Series PLCs by providing 8 digital inputs and 8 relay outputs.

Machine down? We ship parts the same day.

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

CUSTOMER REVIEWS

What Verified Buyers Say

No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.

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.

Are you an Electrical Distributor?Learn more about our distributor program

PALM Parts Solution sells used surplus products. PALM Parts Solution is not an authorized distributor, affiliate, or representative for the brands we carry. Products sold by PALM Parts Solution come with PALM Parts Solution's 1-Year Warranty and do not come with the original manufacturer's warranty. Designated trademarks, brand names and brands appearing herein are the property of their respective owners. This website is not sanctioned or approved by any manufacturer or tradename listed.

Read full disclaimer →