*Image shown is a representation only. Actual product may vary.
Allen-Bradley 1771-IR/D
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 1771-IR/D is a high-performance analog input module engineered for PLC-5 systems, specifically designed for Resistance Temperature Detector (RTD) applications. This robust unit delivers exceptional accuracy and consistent performance for vital temperature regulation and oversight across diverse industrial settings. Featuring advanced 3-wire RTD support and remarkable 16-bit resolution, the 1771-IR/D ensures precise and stable temperature data acquisition, facilitating straightforward integration into existing automation infrastructures. Optimized for demanding industrial use, the Allen-Bradley 1771-IR/D module is an essential component for processes where temperature consistency and exact measurements are paramount. Its Series D optimization further elevates performance, establishing it as a dependable solution for sustaining optimal operational conditions and ensuring product excellence.Key Features Six Analog RTD Input Channels: Accommodates multiple temperature sensors for extensive monitoring capabilities. 3-Wire RTD Compatibility: Enhances accuracy by compensating for lead wire resistance, providing precise temperature readings. High 16-Bit Resolution: Delivers exceptionally detailed temperature data, crucial for sensitive control applications and in-depth analysis. Seamless PLC-5 System Integration: Engineered for perfect operation within established Allen-Bradley PLC-5 automation frameworks. Series D Version: Represents the latest iteration, offering improved stability, enhanced noise resistance, and optimized performance. Stable and Noise-Resistant Signal Processing: Ensures dependable data acquisition even in electrically noisy industrial environments. Industrial-Grade Construction: Built to endure challenging environmental conditions, guaranteeing long-term operational integrity. Technical Specifications Model: 1771-IR/D Series: D Number of Inputs: 6 Analog RTD Inputs RTD Type: 3-Wire Resolution: 16-Bit Compatible System: Allen-Bradley PLC-5 Mounting: PLC-5 Chassis Environmental Rating: Industrial-Grade Certifications: UL, CE, RoHS Applications Precision Temperature Monitoring & Control: Essential for processes requiring accurate and consistent temperature regulation. Industrial Automation & Manufacturing: Provides real-time temperature data for optimizing production lines and equipment performance. Food & Beverage Processing: Helps maintain critical temperature ranges to ensure product safety, quality, and compliance. Pharmaceutical & Chemical Industries: Supports stringent process control and validation in sensitive manufacturing environments. HVAC & Energy Management Systems: Enhances efficiency and control in large-scale climate control and energy optimization applications. Water and Wastewater Treatment: Monitors critical temperature points for process efficiency and regulatory compliance. Why Choose the Allen-Bradley 1771-IR/D?The Allen-Bradley 1771-IR/D offers unparalleled precision and reliability for your industrial automation needs. Its high 16-bit resolution and 3-wire RTD compatibility ensure exceptionally accurate temperature measurements. Designed for demanding industrial settings, it provides stable operation and superior noise immunity for continuous monitoring. Effortless integration into existing PLC-5 systems guarantees quick and hassle-free setup. The Series D version delivers optimized functionality for more efficient and controlled processes. Built with robust, industrial-grade components, this module offers a dependable solution for challenging applications where precise temperature data is vital for safety, quality, and regulatory compliance.Order NowEnhance your industrial automation system with the precision and reliability of the Allen-Bradley 1771-IR/D analog RTD input module. Experience seamless integration, accurate temperature monitoring, and improved control for your essential processes. We offer fast shipping and worldwide delivery options to get your operations running smoothly.FAQHow many input channels does the 1771-IR/D module have?The 1771-IR/D module features six analog RTD input channels.What type of RTD is compatible with this module?This module is compatible with 3-wire RTDs, ensuring superior accuracy.What resolution does the 1771-IR/D offer for temperature readings?It provides a high 16-bit resolution for extremely fine temperature data.Which Allen-Bradley system is this module designed for?The 1771-IR/D is specifically engineered for seamless integration with Allen-Bradley PLC-5 systems.What are the benefits of the Series D version?The Series D version offers enhanced stability, improved noise resistance, and optimized overall performance.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
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.
Allen-Bradley 1771-IR/D
Overview
This is a genuine Allen-Bradley component from the PLC-5 Platform (Legacy) 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 PLC-5 Platform (Legacy) 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 PLC-5 Platform (Legacy) family
Contact our engineering team if you need help choosing between these tracks.
Technical Specifications
- Model: 1771-IR/D
- Series: D
- Number of Inputs: 6 Analog RTD Inputs
- RTD Type: 3-Wire
- Resolution: 16-Bit
- Compatible System: Allen-Bradley PLC-5
- Mounting: PLC-5 Chassis
- Environmental Rating: Industrial-Grade
- Certifications: UL, CE, RoHS
Applications
- Precision Temperature Monitoring & Control: Essential for processes requiring accurate and consistent temperature regulation.
- Industrial Automation & Manufacturing: Provides real-time temperature data for optimizing production lines and equipment performance.
- Food & Beverage Processing: Helps maintain critical temperature ranges to ensure product safety, quality, and compliance.
- Pharmaceutical & Chemical Industries: Supports stringent process control and validation in sensitive manufacturing environments.
- HVAC & Energy Management Systems: Enhances efficiency and control in large-scale climate control and energy optimization applications.
- Water and Wastewater Treatment: Monitors critical temperature points for process efficiency and regulatory compliance.
Why Choose the 1771-IR/D?
The Allen-Bradley 1771-IR/D offers unparalleled precision and reliability for your industrial automation needs. Its high 16-bit resolution and 3-wire RTD compatibility ensure exceptionally accurate temperature measurements. Designed for demanding industrial settings, it provides stable operation and superior noise immunity for continuous monitoring. Effortless integration into existing PLC-5 systems guarantees quick and hassle-free setup. The Series D version delivers optimized functionality for more efficient and controlled processes. Built with robust, industrial-grade components, this module offers a dependable solution for challenging applications where precise temperature data is vital for safety, quality, and regulatory compliance.
Availability & Shipping
- ▸In stock: 1771-IR/D 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 1771-IR/D 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.
Related Allen-Bradley resources
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.