Product Overview

The ABB PFBL 141B 3BSE024168R1 is a Millmate Load Cell for mechanical force measurement in heavy industrial process equipment. Its large-format construction is suited to installations where substantial process forces must be transferred through a defined mechanical load path.

In rolling mills and other continuous production machinery, the load cell can be installed at a mechanically loaded measurement point to capture force generated by the process. The resulting signal can be used by Millmate measurement equipment and higher-level control systems for process monitoring, force regulation, and operating-condition supervision.

The PFBL 141B is suited to applications where the load cell must work as part of a robust mechanical force-measurement arrangement rather than as an isolated sensing device.

Technical Specifications

Product Features

• Heavy-duty construction for high-load industrial machinery.
• Converts mechanically applied force into an electrical measurement signal.
• Suitable for integration into Millmate force-measurement arrangements.
• Large mechanical structure for demanding installation environments.
• Supports continuous force monitoring during industrial processes.
• Suitable for rolling and other heavy process equipment.
• Can supply force feedback for monitoring and control functions.

Working Principle

The PFBL 141B measures force through the mechanical load transferred into its sensing structure. When the machine applies a process load, the internal sensing element responds to the resulting mechanical strain.

This mechanical response is converted into an electrical signal corresponding to the applied force. The signal is then handled by the associated measurement electronics and made available to the Millmate system or control equipment.

A typical measurement path is:

Process Force → PFBL 141B Load Cell → Measurement Electronics → Millmate System → PLC / Process Control

The mechanical installation directly affects measurement quality. The load should enter the sensing structure through the intended force path, while unwanted side forces, mechanical binding, uneven contact, and structural distortion should be avoided.

Role in a Millmate Force Measurement Control Architecture

The PFBL 141B forms the physical interface between the machine structure and the electronic force-measurement system. It captures the actual mechanical force generated by the process and converts it into feedback that can be evaluated by the control architecture.

In a rolling application, the force signal can be combined with other process variables to monitor operating conditions and support automatic control functions.

Industrial Applications

Installation and Maintenance

1. Verify the Mechanical Load Path — Confirm that the intended process force is transferred directly through the load-cell mounting structure.
2. Inspect Mounting Surfaces — Ensure that contact surfaces are clean, flat, and free of foreign material before installation.
3. Confirm Force Direction — Install the PFBL 141B according to the intended measuring direction and machine configuration.
4. Prevent Side Loading — Avoid lateral forces, twisting, or mechanical interference that could distort the measurement.
5. Check Structural Alignment — Verify that connected machine components are properly aligned and do not impose unintended preload.
6. Inspect Fasteners and Supports — Check mounting bolts, brackets, and supporting structures for looseness or deformation.
7. Protect Signal Wiring — Route cables away from moving equipment, sharp edges, excessive heat, and sources of mechanical damage.
8. Verify Electrical Connections — Check signal connections and associated measurement electronics before commissioning.
9. Perform Zero Checks — Confirm the unloaded measurement value before applying process force.
10. Verify the Measurement During Commissioning — Compare the load-cell signal with known machine conditions or an established reference value.
11. Monitor Signal Stability — Investigate unexpected drift, sudden changes, or unstable readings before returning the machine to normal operation.
12. Inspect During Planned Shutdowns — Examine the load cell and surrounding structure for mechanical damage, deformation, contamination, or changes in the mounting condition.

If the measured force does not correspond to the actual process condition, inspect the mechanical installation first. A distorted mounting structure or unintended preload can affect the measurement even when the load-cell wiring and measurement electronics are functioning normally.

Related Components

Recommended Related Models

Key Advantages

• Heavy-duty construction for substantial mechanical loads.
• Suitable for demanding industrial force-measurement applications.
• Direct force feedback from the machine structure.
• Suitable for Millmate measurement architectures.
• Supports process monitoring and force-control functions.
• Applicable to rolling mills and other continuous-process equipment.

Technical FAQs

What type of application is the ABB PFBL 141B suitable for?

The PFBL 141B is intended for industrial mechanical force measurement, particularly in heavy machinery and Millmate-based process measurement arrangements.

Why must the PFBL 141B be installed with a controlled mechanical load path?

The load cell responds to the force transferred through its sensing structure. Unwanted side forces, uneven contact, mechanical binding, or structural preload can affect the measured value.

What role does the PFBL 141B play in a rolling mill control system?

It captures mechanical force at the measurement point and supplies the corresponding measurement signal to the associated measurement electronics. The processed force value can then be used for process monitoring and control.

What should be checked if the PFBL 141B gives an unexpected force reading?

Check the mechanical mounting, alignment, load direction, side loading, and structural preload first. If the mechanical installation is correct, inspect signal wiring, measurement electronics, and zero stability.