Product Details
Overview
The Allen-Bradley 1771-WS is a single-channel weigh scale module engineered for precise load cell measurement in industrial environments. It processes weight data and communicates with PLC-5 controllers, delivering accurate and reliable performance for critical automation tasks.
Technical Specifications
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Manufacturer: Rockwell Automation
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Brand: Allen-Bradley
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Model & Part Number: 1771-WS
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Series: PLC-5
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Input Power: 5 V DC
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Backplane Current: 1.5 A
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Output Voltage & Power: 10 V DC ±5%, maximum 1.5 W
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Common Mode Rejection: 100 dB
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Frequency: 0.25 Hz
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Compatible I/O Chassis: 1771-A1B, -A2B, -A3B, -A3B1, -A4B, 1771-AM1, -AM2
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Operating Temperature: 0°C to 60°C
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Storage Temperature: -40°C to 85°C
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Humidity: 0% to 90%, non-condensing
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Weight: 0.73 kg (1.6 lbs)
Features
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Single Channel: Handles data from one or more load cells with high precision
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External Power Support: Capable of supporting up to 8 load cells when using an external power source
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Calibration: Accepts calibration values from a data table and transfers them to the PLC-5 processor
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Status Indicators: Dual-color LEDs for Run/Fault and Calibrate/Communication status
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Electrostatic Protection: Module requires grounded handling to prevent damage from electrostatic discharge
Applications
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Industrial weighing systems requiring precise load cell measurement
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Integration with PLC-5 systems for automated weight control
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Process monitoring in manufacturing, chemical, or material handling operations
FAQ
Q: How many load cells can the 1771-WS support?
A: The module supports one channel by default and can interface with up to 8 load cells using an external power supply.
Q: What type of status indicators does the module have?
A: It features red and green LEDs for Run/Fault and Calibrate/Communication monitoring.
Q: Can it operate in harsh industrial environments?
A: Yes, it operates from 0°C to 60°C and can be stored safely from -40°C to 85°C, with 0–90% non-condensing humidity tolerance.
Q: What precautions are needed for handling?
A: The module is sensitive to electrostatic discharge and should be handled with a grounded wrist strap or equivalent grounding method.
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
Choosing the Right Controller: PLC vs. Motion Controller in Industrial Automation
Selecting the optimal control architecture is a foundational decision in industrial automation. Engineers must frequently choose between a Programmable Logic Controller (PLC) and a dedicated Motion Controller. While both systems manage machinery, their underlying design philosophies differ significantly, impacting performance, scalability, and system integration.
Mastering PLC Power Supply Architectures and Operating Voltages
Selecting the correct operating voltage is a critical step in designing reliable industrial automation systems. Whether you are working with a compact PLC or a large-scale DCS, your power architecture dictates the system's longevity. In this guide, we explore the standard voltage ranges and power distribution strategies required to maintain stable factory automation operations.
Optimizing Power Supply Sizing for Industrial Automation Systems
The power supply is the silent heartbeat of any industrial automation system. While engineers often prioritize processors and communication protocols, a stable power architecture remains the most critical factor for long-term reliability. In my 15 years of experience, I have found that neglecting power supply sizing often leads to ghost errors, intermittent field device failures, and costly production downtime.