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Allen-Bradley 1794-IR8
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1794-IR8 is an advanced 8-point analog input module specifically designed for seamless integration within Flex I/O systems. This module is engineered to connect Resistance Temperature Detectors (RTDs), providing exceptional accuracy in temperature sensing for a variety of industrial operations. It accommodates 2-wire, 3-wire, and 4-wire RTD configurations, offering extensive compatibility with various sensor types and installation needs. An optimal solution for applications demanding accurate and consistent temperature measurement, the 1794-IR8 integrates smoothly with Allen-Bradley programmable controllers that use block transfer programming for efficient data exchange. This module consistently delivers precise performance for crucial process monitoring.Key Features Eight High-Precision RTD Inputs: Offers eight dedicated channels for accurate temperature monitoring using RTD sensors. Adaptable RTD Wiring Support: Compatible with 2-wire, 3-wire, and 4-wire RTD setups, ensuring broad sensor compatibility. Extensive Flex I/O System Compatibility: Engineered for seamless operation within standard Flex, hazardous-area Flex-Ex, and extreme-temperature Flex-XT I/O systems. Optimized for Block Transfer Programming: Ensures efficient communication and integration with Allen-Bradley PLCs that support block transfer. Industrial-Grade Construction: Built for dependability and durability in challenging industrial settings. Accurate Temperature Readings: Provides consistent and dependable temperature data vital for process regulation. Technical Specifications Catalog Designation: 1794-IR8 Number of Channels: 8 Input Type: Resistance Temperature Detector (RTD) Noise Rejection (Normal Mode): 60 dB at 60 Hz (A/D filter cutoff @ 10 Hz) Channel Frequency Range: 0-2.62 Hz Nominal Power Supply: 24V DC Voltage Range: 19.2 to 31.2V DC Current Consumption: 140 mA @ 24V DC Applications Industrial Process Management: Essential for monitoring and regulating temperatures in manufacturing, chemical, and refining operations. Environmental Monitoring: Perfect for accurate temperature data collection in various environmental applications. HVAC Systems: Enhances the precision of temperature sensing within heating, ventilation, and air conditioning systems. Food & Beverage Production: Ensures precise temperature control for quality and safety standards. Pharmaceutical Manufacturing: Crucial for maintaining stable temperatures in sensitive production environments. Energy Management: Supports efficient energy usage through precise temperature feedback. Why Choose This Module?Benefit from the superior precision of RTD inputs, essential for applications where temperature accuracy is paramount. This module seamlessly integrates into your industrial infrastructure, regardless of environmental challenges, with support for standard, hazardous, and extreme temperature systems. Designed for straightforward commissioning with Allen-Bradley PLCs through block transfer programming, it reduces setup time. Rely on Allen-Bradley for robust, industrial-grade components that ensure long-term, stable operation in demanding environments. The module's support for various RTD wiring configurations provides adaptability for future sensor upgrades.Order NowContact us today to inquire about the Allen-Bradley 1794-IR8 and enhance your industrial temperature monitoring capabilities.FAQWhat types of RTDs are compatible with the 1794-IR8?The 1794-IR8 supports 2-wire, 3-wire, and 4-wire RTD configurations, offering broad compatibility with various sensor types.Can this module be used in hazardous environments?Yes, the 1794-IR8 is compatible with Flex-Ex systems, which are designed for hazardous locations.Is this module suitable for extreme temperatures?Yes, it integrates with Flex-XT systems, optimized for extreme temperature applications.How does the 1794-IR8 communicate with PLCs?It is optimized for efficient communication and integration with Allen-Bradley PLCs that support block transfer programming.
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Allen-Bradley 1794-IR8
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:
- 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
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Catalog Designation: 1794-IR8
- Number of Channels: 8
- Input Type: Resistance Temperature Detector (RTD)
- Noise Rejection (Normal Mode): 60 dB at 60 Hz (A/D filter cutoff @ 10 Hz)
- Channel Frequency Range: 0-2.62 Hz
- Nominal Power Supply: 24V DC
- Voltage Range: 19.2 to 31.2V DC
- Current Consumption: 140 mA @ 24V DC
Applications
- Industrial Process Management: Essential for monitoring and regulating temperatures in manufacturing, chemical, and refining operations.
- Environmental Monitoring: Perfect for accurate temperature data collection in various environmental applications.
- HVAC Systems: Enhances the precision of temperature sensing within heating, ventilation, and air conditioning systems.
- Food & Beverage Production: Ensures precise temperature control for quality and safety standards.
- Pharmaceutical Manufacturing: Crucial for maintaining stable temperatures in sensitive production environments.
- Energy Management: Supports efficient energy usage through precise temperature feedback.
Why Choose the 1794-IR8?
Benefit from the superior precision of RTD inputs, essential for applications where temperature accuracy is paramount. This module seamlessly integrates into your industrial infrastructure, regardless of environmental challenges, with support for standard, hazardous, and extreme temperature systems. Designed for straightforward commissioning with Allen-Bradley PLCs through block transfer programming, it reduces setup time. Rely on Allen-Bradley for robust, industrial-grade components that ensure long-term, stable operation in demanding environments. The module's support for various RTD wiring configurations provides adaptability for future sensor upgrades.
Availability & Shipping
- ▸In stock: 1794-IR8 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-IR8 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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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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.