Product Details
Product Description
The Allen-Bradley 1771-IFE is an analog input module for the PLC-5 series, designed to handle both voltage and current signals with high accuracy. It supports up to 8 differential or 16 single-ended channels, offering flexible configuration for industrial automation systems. With 12-bit resolution, fast update times, and rack-mount compatibility, it provides reliable signal acquisition for process control applications.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line PLC-5
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Product Type Analog Input Module
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Part Number 1771-IFE
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Weight 1.00 lbs (0.45 kg)
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I/O Capacity 8 differential inputs or 16 single-ended inputs
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Resolution 12-bit binary; 12 bits plus sign on bipolar ranges
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Accuracy ±0.1% of full scale at 25 °C
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Channel Update Time 18 ms for 8 channels; 36 ms for 16 channels
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Data Format Natural binary or BCD scaling to ±9999
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Internal Scan Rate
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12.5 ms for 8 differential inputs (no filtering)
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25 ms for 16 single-ended inputs (no filtering)
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Additional delay with digital filtering: +2.12 ms (differential), +4.24 ms (single-ended)
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Voltage Input Range -10 to +10 VDC
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Current Input Range -20 to +20 mA
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Typical DC Signal Delay 10 ms (ON), 20 ms (OFF)
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Typical AC Signal Delay 24 ms (OFF)
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Backplane Current Draw 750 mA
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Wiring Arm 1771-WG
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Mounting Rack mountable, 1 slot width
Application Scenarios
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Process control systems requiring accurate analog signal acquisition
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Industrial automation with mixed voltage and current input signals
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Applications needing flexible channel configuration (differential or single-ended)
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Integration into PLC-5 racks for analog monitoring and control
FAQ
Q: How many channels does the 1771-IFE support? A: It supports 8 differential or 16 single-ended channels.
Q: What is the resolution of the inputs? A: 12-bit resolution, with sign bit included for bipolar ranges.
Q: Does the module require external power? A: No, it operates using backplane power only.
Comparison with Similar Models
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1771-IFM: Provides isolated analog inputs for enhanced signal separation.
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1771-IFE: Standard analog input module with flexible channel configuration.
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1771-IFD: Differential-only input module for specialized applications.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
- Worldwide Shipping: We ship via USPS, UPS, FedEx, and DHL. Delivery times vary by country and may be subject to customs or import fees.
- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
Implementing FIFO and LIFO Data Sequencing in PLC Programming
Data management serves as a cornerstone of modern industrial automation. Whether tracking materials on a conveyor or managing batch sequences in a process, engineers frequently rely on sequential logic. Two primary structures—First-In-First-Out (FIFO) and Last-In-First-Out (LIFO)—form the bedrock of this data handling. Mastering these blocks allows programmers to optimize complex machine operations efficiently.
Evolving SCADA System Architectures in Industrial Automation
A robust Supervisory Control and Data Acquisition (SCADA) system serves as the heartbeat of modern industrial operations. Understanding SCADA system architecture is vital for engineers designing efficient control systems. These architectures have evolved from isolated, monolithic structures to highly interconnected, networked ecosystems. Choosing the right design requires balancing data visibility, processing power, and long-term scalability requirements.
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.