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
Mastering Wire Identification in Industrial Automation: The Power of Ferrules and Cross-Ferruling
Proper wire labeling forms the cornerstone of reliable control system installation and long-term maintenance. In complex industrial automation environments, technicians terminate thousands of conductor ends inside control panels, marshalling racks, and field junction boxes. Ferrules serve as individual tube-shaped sleeve markers slipped onto conductors before final termination. While technicians historically relied on pre-printed individual letter rings, modern control panel builders utilize automated ferrule printing machines. These thermal-transfer printers generate durable, single-sleeve heat-shrink tags directly matching approved wiring schematics, significantly accelerating cabinet assembly workflows.
Understanding Marshalling Cabinets in Industrial Automation and Control Systems
Marshalling cabinets serve as the crucial connection hub between field instruments and centralized processing units. In large DCS and PLC control system architectures, hundreds of multipair field cables run from local junction boxes to the central instrument equipment room. The marshalling cabinet houses field terminal blocks, surge arresters, intrinsic safety isolation barriers, and interposing relays. By segregating field field-wiring terminations from sensitive processor hardware, engineers protect expensive controller backplanes from high-voltage transients. Consequently, this modular separation dramatically streamlines maintenance workflows and simplifies system expansion.
Essential Best Practices for PLC Wiring and Installation in Industrial Automation
Successful control system deployment begins with thoroughly reviewing manufacturer technical documentation. Controllers from major brands like Allen-Bradley, Siemens, and Schneider Electric feature unique terminal layouts. Engineers must verify voltage requirements before connecting power cables to prevent catastrophic equipment damage. Standard line connections require strict adherence to regional electrical codes and proper wire color coding. Furthermore, panel builders should always establish a robust low-impedance ground connection using at least 16-AWG copper conductor tied directly to the main plant grounding grid.