Product Details
Product Description
The Allen Bradley 1771-IAD is a digital input module designed for the PLC-5 system. It supports both AC and DC signals within the 79–138 V operating range, making it versatile for industrial automation applications. With 16 input channels and reliable signal delay performance, this module is engineered for consistent operation in demanding environments.
Technical Specifications
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Manufacturer: Allen Bradley
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Category: PLCs
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Product Line: PLC-5
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Part Number: 1771-IAD
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Weight: 1.00 lbs (0.45 kg)
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Module Type: Digital AC/DC Input Module
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Number of Inputs: 16 channels
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DC Operating Voltage: 79–138 VDC
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AC Operating Voltage: 79–138 VAC
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Voltage Category: 120 V AC/DC
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Typical DC Signal Delay (On): 3 ms (+/- 0.1) or 10 ms (+/- 1)
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Typical DC Signal Delay (Off): 25 ms (+/- 5)
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Typical AC Signal Delay (On): 5 ms (+/- 3)
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Typical AC Signal Delay (Off): 25 ms (+/- 5)
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Max AC Off-State Current: 2.8 mA
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Max DC Off-State Current: Not applicable
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Backplane Current: 195 mA
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Wiring Arm: 1771-WH
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Module Location: Compatible with 1771-A1B, A2B, A3B, A3B1, A4B, 1771-AM1, and AM2 chassis
Application Scenarios
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Designed for PLC-5 systems requiring AC/DC input monitoring
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Suitable for process control, manufacturing, and automation environments
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Provides reliable input signal detection for mixed voltage applications
FAQ
Q: How many input channels does the 1771-IAD provide? A: It supports 16 input channels.
Q: What is the operating voltage range? A: The module operates between 79–138 VAC or VDC.
Q: Which wiring arm is required? A: The compatible wiring arm is 1771-WH.
Comparison with Similar Models
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1771-IAD: AC/DC input, 16 channels, 120 V category
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1771-IA: AC-only input, 16 channels, lower cost option
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1771-ID: DC-only input, 16 channels, optimized for DC 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
Modern Industrial Automation: Transforming Safety and Efficiency in Mining Operations
Industrial automation has evolved from a simple manufacturing tool into the operational backbone of high-risk sectors. Modern mining operations increasingly rely on advanced control systems, programmable logic controllers (PLCs), distributed control systems (DCS), and artificial intelligence to address deep-underground hazards. By replacing manual labor in high-risk zones, factory automation technologies protect personnel while significantly boosting operational throughput.
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