Product Details
Product Description
The Allen-Bradley 1771-IM is a rack-mounted digital input module designed for the PLC-5 series. It provides eight input channels capable of handling both AC and DC signals within the 220 V category. Built for reliability, the module ensures consistent signal processing with defined delay times and low leakage current, making it suitable for industrial automation systems requiring precise input monitoring.
Technical Specifications
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Manufacturer Allen-Bradley
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Product Line PLC-5
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Category PLC Modules
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Part Number 1771-IM
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Weight 1.13 lbs (0.51 kg)
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Module Type Digital AC/DC Input Module
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Number of Inputs 8 channels
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Voltage Category 220 V AC/DC
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AC Operating Voltage 184–276 V
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DC Operating Voltage 184–276 V
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Backplane Current 75 mA
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Maximum Off-State Current (AC/DC) 1.0 mA
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Typical AC Signal Delay (On) 20 ms ±6 ms
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Typical DC Signal Delay (On) 10 ms ±4 ms
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Typical AC Signal Delay (Off) 20 ms ±6 ms
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Typical DC Signal Delay (Off) 20 ms ±9 ms
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Wiring Arm 1771-WA
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Mounting Rack-mountable
Application Scenarios
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Monitoring AC/DC input signals in PLC-5 control systems
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Industrial automation requiring reliable digital input processing
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Use in rack-mounted PLC configurations with multiple input modules
FAQ
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Q: How many inputs does the module support? A: Eight digital inputs.
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Q: What is the operating voltage range? A: 184–276 V AC/DC.
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Q: Which wiring arm is compatible with this module? A: The 1771-WA wiring arm.
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
Understanding Types of Noise in Electronic Circuits and Control Systems
Signal integrity directly determines measurement accuracy and loop stability across industrial automation environments. Electronic noise introduces unwanted stochastic interference into analog loops, sensor feedback lines, and digital fieldbus networks. Understanding how intrinsic electronic noise and external electromagnetic interference manifest allows control engineers to optimize signal conditioning and shield sensitive instrumentation effectively.
Why 24V DC Power Supplies Standardize Modern Industrial Automation
Industrial control cabinets worldwide rely on 24V DC as the universal power standard for field instrumentation, sensors, and controllers. Walk into any manufacturing plant, and you will find PLCs, human-machine interfaces (HMIs), and smart actuators running on extra-low voltage DC. Standardizing on 24V DC enhances operational safety, lowers cabinet footprint, and maintains steady control performance across factory networks.
Essential Motion Control Commands: A Practical Guide for Engineers
Automation engineers often rely on precise position and speed control to drive modern factory machinery. Modern industrial systems, such as Programmable Logic Controllers (PLCs) and Distributed Control Systems (DCS), depend heavily on standardized motion instructions. Mastering these commands ensures operational safety, protects mechanical components, and optimizes cycle times across production lines.