Hardy Unveils HI6850-SPWC: An Advanced Setpoint Weight Controller for Accurate Industrial Weighing

Hardy Introduces HI6850-SPWC Setpoint Weight Controller for High-Precision Industrial Weighing Applications

• As industrial manufacturing increasingly demands higher accuracy, faster response times, and seamless automation, Hardy Process Solutions has unveiled its latest innovation — the HI6850-SPWC Setpoint Weight Controller.
• Designed specifically for tank and vessel weighing applications, this advanced controller delivers precise weight-based control while simplifying integration with modern industrial systems.
• The new controller combines intelligent automation, robust performance, and flexible connectivity, offering manufacturers a powerful solution for improving productivity and reducing operational costs.

HI6850-SPWC: A New Generation of Weight-Based Setpoint Control

Developed by Hardy Process Solutions, a leading U.S. provider of industrial weighing and process automation technologies, the HI6850-SPWC is a highly configurable weight controller engineered for demanding manufacturing environments.

The device features an integrated Setpoint Control application capable of automating filling and dispensing processes in both:

• Loss-in-Weight (LIW) mode
• Gain-in-Weight (GIW) mode

This built-in functionality enables manufacturers to optimize weighing operations without relying heavily on PLC programming, creating a more efficient and responsive control system.

Intelligent Operation for Tank and Vessel Applications

In Loss-in-Weight mode, the controller automatically opens relays (unlatches) when the measured weight reaches or drops below the predefined setpoint.

Conversely, in Gain-in-Weight mode, the controller closes relays (latches) when the weight reaches or exceeds the target value.

When paired with an optional 8-channel relay card, the HI6850-SPWC can automatically control:

• Filling machines
• Valves
• Switches
• Feeding systems
• Tank and vessel processes

The controller supports up to four independent weighing channels, making it suitable for multi-line manufacturing environments requiring simultaneous weight monitoring and control.

“The HI6850-SPWC offloads specialized weighing application processing from the PLC, enabling both the PLC and the weight controller to each do what they do best. It can serve as a closed-loop weight-based Setpoint controller while providing additional data to optimize overall manufacturing processes.”

— Tim Norman, Senior Product Manager, Hardy Process Solutions

High-Speed Performance with Exceptional Accuracy

The HI6850-SPWC is engineered to deliver fast and reliable performance.

Its specifications include:

• Up to 250 updates per second on the primary channel
• Up to 100 updates per second on secondary channels
• High-resolution measurement up to 1:30,000

This level of performance allows manufacturers to achieve highly responsive weight control in applications such as:

• Filling and dispensing systems
• Continuous feeding operations
• Chemical dosing
• Batch processing
• Food and pharmaceutical manufacturing

Advanced Vibration Immunity with WAVERSAVER®

Industrial weighing systems often suffer from unstable readings caused by vibration from nearby equipment.

To overcome this challenge, Hardy incorporates its proprietary WAVERSAVER® and WAVERSAVER+ technologies into the HI6850-SPWC.

These technologies provide:

• Superior vibration filtering
• Stable weight readings
• Faster settling times
• Improved weighing accuracy

Even in harsh industrial environments, the controller maintains reliable and repeatable performance.

C2® Electronic Calibration Eliminates Test Weights

Traditional weighing systems typically require certified test weights for calibration, a process that can be time-consuming and costly.

The HI6850-SPWC features Hardy’s patented C2® Electronic Calibration, allowing users to calibrate the system electronically without physical test weights.

Benefits include:

• Faster installation and commissioning
• Reduced calibration costs
• Simplified load cell replacement
• Minimal production downtime

This innovative approach significantly lowers the total cost of ownership for industrial weighing systems.

Integrated Diagnostics for Easier Maintenance

The controller also incorporates Hardy’s Integrated Technician® (IT) technology, providing built-in diagnostic and monitoring capabilities.

The system continuously monitors:

• Load cell health
• Cable integrity
• Weight signal quality
• System status
• Potential faults

These features simplify troubleshooting, reduce maintenance time, and improve overall system reliability.

Flexible Connectivity for Modern Automation Systems

The HI6850-SPWC is designed for seamless integration into modern industrial networks.

Supported communication protocols include:

EtherNet/IP®

Ideal for applications utilizing Rockwell Automation PLCs and control architectures.

Modbus TCP/IP

Provides flexible integration with SCADA systems, HMIs, and third-party controllers.

PROFINET®

Enables efficient communication within Siemens-based automation environments.

Additional options include:

• Digital and analog I/O
• DC relay outputs
• Setpoint control modules
• Network expansion
• Remote configuration through a built-in web server

User-Friendly Interface and Flexible Installation

Hardy offers the HI6850-SPWC in multiple configurations to accommodate different installation requirements.

7-Inch Full-Color Touchscreen

The intuitive touchscreen interface allows operators to:

• Monitor weight values in real time
• Configure setpoints quickly
• View system status
• Adjust parameters easily

DIN Rail Version with Webserver Access

For cabinet installations, the DIN rail model offers:

• Compact design
• Remote access through a web browser
• Simplified configuration
• Easy integration into industrial control panels

Compatible with Hardy’s Complete Weighing Ecosystem

The HI6850-SPWC integrates seamlessly with Hardy’s full portfolio of weighing products, including:

• ADVANTAGE® Series load cells
• Hardy bench scales
• Hardy floor scales
• Junction boxes
• Industrial weighing accessories

This compatibility allows manufacturers to build scalable and fully integrated weighing solutions tailored to their specific production requirements.

About Hardy Process Solutions

Hardy Process Solutions, an INDICOR company headquartered in the United States, is a recognized leader in industrial weighing and process automation.

The company specializes in:

• Tank weighing systems
• Vessel weighing solutions
• Weight controllers
• Intelligent load cells
• Process weighing instrumentation
• Seamless integration with Rockwell Automation systems

Hardy’s philosophy is straightforward: industrial weighing solutions should be easy to engineer, install, operate, and maintain. By emphasizing simplicity and reliability, the company helps manufacturers achieve lower total ownership costs while improving operational efficiency.

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