Product Overview

The ABB PFCL201C10KN Tensiometer is a high-precision 10KN load cell designed for vertical strip tension measurement in demanding industrial applications. Part of ABB‘s renowned Pressductor® PillowBlock Load Cell family, this force sensor delivers exceptional accuracy, reliability, and long-term stability in continuous processing environments including steel mills, paper production lines, and converting operations.

Manufactured from a single block of high-strength stainless steel with fully encapsulated internal components, the PFCL201C-10KN offers outstanding resistance to overloads, shock, vibration, dust, moisture, and corrosive agents. The standard construction delivers IP67 protection, with mill‑duty versions available for exceptionally hostile environments such as galvanizing or pickling lines.

Unlike conventional strain gauge sensors, ABB‘s Pressductor® Technology utilizes the magnetoelastic effect — the magnetic properties of a ferromagnetic material change proportionally when mechanical force is applied. This non‑contact measurement principle eliminates issues associated with adhesive aging and mechanical wear, providing virtually unlimited fatigue life and superior zero‑point stability over decades of operation.

Technical Specifications

Key Features & Benefits

Pressductor® Magnetoelastic Technology

ABB‘s patented Pressductor® Technology, developed and patented in Västerås, Sweden in 1954, stands as the foundation of this tension sensor. Unlike strain‑gauge designs that rely on elastic deformation, the PFCL201C uses changes in magnetic field properties to generate a high‑power, low‑impedance AC signal that is remarkably resistant to electrical interference, earth faults, and environmental noise. Because measurement does not depend on physical movement or material deformation, the load cell achieves virtually infinite fatigue life while maintaining calibration integrity even after repeated overload events.

Exceptional Overload Tolerance

The PFCL201C10KN offers extraordinary overload capacity — up to 1,000% of nominal load in the measurement direction without permanent damage or calibration shift. This feature eliminates the need for external mechanical over‑load stops and dramatically reduces maintenance costs and downtime associated with accidental over‑tension events, such as strip breaks or emergency stops in rolling mills and processing lines.

Industrial‑Grade Environmental Protection

Engineered for harsh industrial environments, the sensor features a one‑piece stainless steel housing with fully potted internal components. Standard models provide IP67 protection against dust ingress and immersion in water. For exceptionally corrosive environments such as galvanizing and pickling lines, acid‑resistant versions offer IP66/67 protection, ensuring reliable operation even under exposure to chemical sprays, high humidity, and abrasive dust.

Wide Operating Temperature Range

With a certified operating range of –40°C to +85°C, the PFCL201C-10KN performs reliably in both freezing outdoor installations and high‑temperature mill environments. Built‑in multi‑point temperature compensation limits zero drift to ±0.02% FS/°C and sensitivity drift to 0.015%/°C, ensuring stable measurement accuracy regardless of ambient temperature fluctuations.

High Spring Constant & Minimal Deflection

The sensor deflects only 0.02 mm at full 10 kN load, producing a spring constant of 500 kN/mm. This exceptional stiffness preserves the mechanical rigidity of the roll assembly, preventing unwanted vibration or chatter that could compromise product quality in high‑speed web lines.

System Compatibility & Seamless Integration

The PFCL201C10KN integrates directly with ABB‘s PFEA series tension electronics (PFEA111, PFEA112, PFEA113) as well as ABB AC 800M and 800xA DCS systems. It also supports third‑party PLCs from Siemens, Schneider Electric, and other major automation vendors. The “C” designation indicates a cylindrical plug connector for simplified installation, while optional configurations include tight cable glands or fixed connection cables with protective hosing for mill‑duty applications.

Bidirectional Measurement Capability

The sensor measures forces in both tension and compression directions, allowing a single device to monitor both web tension and roll weight without requiring separate sensors or complex mechanical arrangements. This bidirectional capability reduces component inventory and simplifies system design.

Long‑Term Stability & Zero Drift

The magnetoelastic measurement principle delivers exceptional long‑term stability with negligible calibration requirements over years of continuous operation. Zero point drift is specified at ±0.02% FS per month, and independent field reports confirm that PFCL series sensors maintain calibration integrity far longer than conventional strain‑gauge alternatives, particularly under shock loads and rolling mill vibration.

Applications

The ABB PFCL201C10KN Tensiometer serves as the core sensing element in precision tension control systems across diverse industries:

Metals Processing

• Cold rolling mills and hot rolling mills

• Galvanizing, pickling, and annealing lines

• Steel strip and aluminum strip tension measurement

• Longitudinal slitting and coating lines

• Tension leveling systems

Accurate strip tension measurement prevents material tensile deformation, reduces breakage incidents, and ensures uniform product thickness and surface quality across the entire coil length.

Paper Industry

• Paper machine wet‑end felt and wire tension measurement

• Calenders, coaters, and winders

• Paper roll tension control on production lines

• Tissue converting and finishing operations

Precise paper web tension monitoring prevents web breaks, reduces waste, and ensures consistent paper quality from the forming section through to the reel.

Converting & Web Processing

• Plastic film production lines

• Foil and laminating processes

• Textile and non‑woven fabric handling

• Packaging material converting

• Printing and coating lines

The PFCL201C-10KN delivers the repeatable, drift‑free measurement essential for maintaining tension uniformity across lightweight, stretch‑sensitive materials such as films, foils, and textiles.

Weighing & Force Measurement Systems

• Industrial weighing platforms

• Process control and force monitoring

• Material testing machines

• Batching and filling systems

• Crane and hoist overload protection

The sensor‘s bidirectional capability and high overload tolerance make it suitable for general force measurement applications where both tension and compression forces must be monitored by a single device.

System Integration

The PFCL201C10KN is typically installed in pairs — one under each bearing housing of the measuring roll — to capture the vertical force component that directly correlates to material tension. When combined with known strip wrap angle, the system calculates precise web tension for closed‑loop control via ABB PFEA series tension electronics.

Recommended tension electronics for signal conditioning include:

• ABB PFEA111-20 – Compact DIN‑rail mounted unit for single load cell (or pair) tension processing

• ABB PFEA112-20 – Microprocessor‑based controller with advanced signal conditioning

• ABB PFEA113-65 – Wall‑mounted unit supporting up to 4 load cells with 6 configurable analog outputs

These electronics provide stable excitation, signal amplification, and conditioned analog outputs (0–10 V, ±10 V, or 4–20 mA) for integration with PLCs, drives, and SCADA systems.

Installation & Maintenance

Mechanical Installation Guidelines

• The mounting base and surface under the bearing housing must be flat to within 0.05 mm.

• Do not use shims directly above or below the load cell.

• Ensure the force direction arrow is aligned with the resultant force of the web tension.

• Use a calibrated torque wrench to tighten mounting bolts according to specifications.

• Verify that measuring rolls are dynamically balanced and load cells at both ends are at equal height.

Cabling & Electrical Installation

• Use shielded cables for all signal connections to maintain EMC compliance.

• Connect shielding at both ends as specified in installation instructions.

• Route all high‑current cables separately with adequate cross‑section per EN 60204.

Periodic Maintenance

• Visually inspect sensor and cable for physical damage during scheduled maintenance.

• Re‑calibrate per manufacturer recommendations (typically every 12–24 months depending on application severity).

• The Pressductor design generally requires less frequent calibration than conventional strain‑gauge sensors.

Ordering Information

The manufacturer formerly operated under ABB Measurement & Analytics and is now part of Hitachi Energy. Factory support and spare parts remain available through ABB‘s global channel partner network and authorized distributors.

Alternative configurations within the PFCL201 series include:

• PFCL201CD – Tight cable gland with 20m Teflon® insulated cable

• PFCL201CE – Mill‑duty version with fixed connection cable in protective hose

• Additional capacities: 5 kN, 20 kN, 50 kN

Documentation & Support

• User Manual: ABB PFCL 201 User Manual (describes PFCL201C/201CE/201CD load cells in Pressguide® Strip Tension Measuring System)

• Technical Data Sheet: PFCL201 series datasheet available from ABB‘s global product library

• Service Support: Full range of installation, commissioning, maintenance, and fault tracing services available through ABB‘s Measurement & Analytics service organization.