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.
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