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
Site Acceptance Testing (SAT) for PLC Control Systems: An Engineering Execution Guide
The Site Acceptance Test (SAT) represents the definitive handover stage in industrial automation projects. While the Factory Acceptance Test confirms cabinet hardware assembly off-site, the SAT validates real-world performance under live site conditions. Consequently, a structured execution strategy prevents equipment damage and guarantees seamless integration into plant operations.
Mastering the Factory Acceptance Test (FAT) for PLC Control Panels: An Expert Guide
The Factory Acceptance Test (FAT) is a vital milestone in industrial automation that ensures custom PLC panels meet exact design specifications before dispatch. This guide outlines the step-by-step FAT procedure and key industry best practices to prevent costly site delays and ensure long-term operational success.
Redundant Automation Systems: Ensuring Continuous Uptime in Critical Control Infrastructure
System reliability directly determines operational profitability across high stakes process industries. Modern industrial automation platforms must eliminate single points of failure to prevent catastrophic shutdowns. Deploying fault tolerant architecture safeguards complex facilities against unexpected hardware glitches, network disruptions, and maintenance outages.