Product Details
Product Description
The 1771-WI is a reliable wiring arm module designed for output connections in PLC-5 systems. It supports low-resistance signal transfer for thermocouple and other low-voltage applications, with gold-plated terminals and conformal coating to ensure long-term durability and signal integrity. The module is compatible with 1771 I/O chassis and provides precise AC/DC signal response.
Technical Specifications
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Manufacturer: Allen-Bradley
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Model Number: 1771-WI
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Product Type: Output Wiring Arm Module
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Module Type: Wiring Arm
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Max Number of I/O Points: 8
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Number of Terminals: 18
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Contact Plating: Gold
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Screw Torque: 7–9 lb·in
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Typical Application: Thermocouple, low-resistance connections
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Protective Coating: Conformal coat
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Required External Power: None
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Typical AC Signal Delay (Off): 29 ± 8 ms
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Typical DC Signal Delay (Off): 30 ± 7 ms
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Compatible Wiring Arm: 1771-WN
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Weight: 0.31 lbs (0.14 kg)
Key Features
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Gold-plated contacts for minimal resistance and reliable connectivity
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Compact rack-mountable design compatible with PLC-5 I/O chassis
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Conformal coating protects against dust, moisture, and corrosion
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Suitable for thermocouple and low-voltage output wiring
Applications
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Output wiring in PLC-5 control systems
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Low-resistance signal distribution for analog and thermocouple modules
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Modular expansion of I/O connectivity
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
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.
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.