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Allen-Bradley 1794-IA8 Flex I/O AC Digital Input Module

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Allen-Bradley 1794-IA8

by Allen-Bradley

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OverviewThe Allen-Bradley 1794-IA8 Flex I/O AC Digital Input Module is engineered for dependable operation within challenging industrial control environments. This module serves as a critical component in distributed I/O frameworks, facilitating precise monitoring of AC input signals for accurate control and data collection. Its compact form factor and effortless integration capabilities make it an excellent choice for expanding or modernizing existing control systems. The 1794-IA8 is specifically designed to accommodate an AC voltage range of 85 to 132V and a frequency range of 47 to 63 Hz, ensuring broad compatibility across various global industrial power standards. This innovative design guarantees accuracy and consistent functionality, which is vital for maximizing uptime and production efficiency in complex manufacturing operations.Key Features Eight AC Digital Inputs: Provides extensive capacity for simultaneous monitoring of multiple AC signals, increasing control flexibility. Broad AC Voltage Handling: Supports 85 to 132V AC, ensuring compatibility with diverse power sources and international industrial specifications. Small, Space-Saving Design: Specifically engineered for Flex I/O chassis, allowing for high-density installations in control cabinets where space is limited. Seamless Flex I/O Integration: Connects effortlessly with existing Flex I/O adapters and modules, simplifying system expansion and setup. Robust Industrial Performance: Constructed to endure harsh industrial conditions, delivering reliable and accurate signal capture. LED Diagnostic Indicators: Equipped with clear LED status lights for rapid and effective troubleshooting, thereby reducing downtime. Optimized Signal Delay: Features quick 8 ms off-to-on and on-to-off signal delays, ensuring prompt and responsive control actions. Technical Specifications Model Number: 1794-IA8 Input Type: AC Digital Number of Inputs: 8 Voltage Range: 85 to 132V AC Frequency Range: 47 to 63 Hz Input Signal Delay (Off to On): 8 ms Input Signal Delay (On to Off): 8 ms Operating Temperature: 0 to 55°C (32 to 131°F) Mounting: Compatible with Flex I/O chassis Applications Distributed I/O Systems: Ideal for remote signal acquisition and control in large industrial setups, streamlining wiring complexity. Machine Control: Essential for monitoring AC signals from various machine components, enabling accurate and automated operational sequences. Process Automation: Improves efficiency in manufacturing lines, material handling, and other process-driven environments by precisely tracking critical AC inputs. Building Management Systems: Can be incorporated to monitor AC-powered devices and sensors in commercial and industrial facilities. Energy Management: Perfect for monitoring AC power usage and status in industrial equipment, contributing to energy conservation efforts. Why Choose This Model?Enhanced System ResponsivenessWith its minimal signal delay, the 1794-IA8 ensures your control system reacts quickly to changes in AC input signals, which is crucial for high-speed operations.Maximized UptimeThe combination of durable construction, reliable operation, and easily readable diagnostic indicators significantly helps in minimizing system downtime and optimizing continuous operation.Future-Proof Your AutomationAs part of the adaptable Allen-Bradley Flex I/O system, this module enables straightforward expansion and adaptation to evolving industrial needs without necessitating a complete system overhaul.Cost-Effective IntegrationIts compatibility and simple design lead to quicker installation times and reduced labor expenses, offering significant long-term financial benefits.Allen-Bradley Quality AssuranceBenefit from the renowned reliability and support of Allen-Bradley, a leader in industrial automation, ensuring a product that performs consistently under demanding conditions.Order NowUpgrade your industrial automation capabilities with the Allen-Bradley 1794-IA8 Flex I/O AC Digital Input Module.FAQWhat is the voltage range for the Allen-Bradley 1794-IA8?The 1794-IA8 module operates within a voltage range of 85 to 132V AC.How many inputs does the 1794-IA8 module have?This module features eight AC digital inputs.What is the operating temperature range for this module?The operating temperature range for the 1794-IA8 is 0 to 55°C (32 to 131°F).

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PRODUCT DETAILS

Allen-Bradley 1794-IA8

Overview

This is a genuine Allen-Bradley 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 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

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

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

Technical Specifications

  • Model Number: 1794-IA8
  • Input Type: AC Digital
  • Number of Inputs: 8
  • Voltage Range: 85 to 132V AC
  • Frequency Range: 47 to 63 Hz
  • Input Signal Delay (Off to On): 8 ms
  • Input Signal Delay (On to Off): 8 ms
  • Operating Temperature: 0 to 55°C (32 to 131°F)
  • Mounting: Compatible with Flex I/O chassis

Applications

  • Distributed I/O Systems: Ideal for remote signal acquisition and control in large industrial setups, streamlining wiring complexity.
  • Machine Control: Essential for monitoring AC signals from various machine components, enabling accurate and automated operational sequences.
  • Process Automation: Improves efficiency in manufacturing lines, material handling, and other process-driven environments by precisely tracking critical AC inputs.
  • Building Management Systems: Can be incorporated to monitor AC-powered devices and sensors in commercial and industrial facilities.
  • Energy Management: Perfect for monitoring AC power usage and status in industrial equipment, contributing to energy conservation efforts.

Why Choose the 1794-IA8?

Enhanced System Responsiveness

With its minimal signal delay, the 1794-IA8 ensures your control system reacts quickly to changes in AC input signals, which is crucial for high-speed operations.

Maximized Uptime

The combination of durable construction, reliable operation, and easily readable diagnostic indicators significantly helps in minimizing system downtime and optimizing continuous operation.

Future-Proof Your Automation

As part of the adaptable Allen-Bradley Flex I/O system, this module enables straightforward expansion and adaptation to evolving industrial needs without necessitating a complete system overhaul.

Cost-Effective Integration

Its compatibility and simple design lead to quicker installation times and reduced labor expenses, offering significant long-term financial benefits.

Allen-Bradley Quality Assurance

Benefit from the renowned reliability and support of Allen-Bradley, a leader in industrial automation, ensuring a product that performs consistently under demanding conditions.

Availability & Shipping

  • In stock: 1794-IA8 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 1794-IA8 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 1794-IA8 module operates within a voltage range of 85 to 132V AC.

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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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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