Description
The ABB PFTL 101B (specifically the 5.0 kN capacity variant, part number 3BSE004191R1) is a compact, high-precision web tension transducer / load cell designed for industrial web-processing lines. It is engineered for continuous measurement of web tension in applications such as paper machines, metal processing lines, printing presses, and plastic film converters, utilizing ABB’s proven Pressductor technology for robust, drift-free performance.
| Parameter | Specification |
| Brand / Manufacturer | ABB |
| Model Series | PFTL 101B |
| Part Number | 3BSE004191R1 |
| Nominal Capacity | 5.0 kN (KiloNewtons) |
| Technology | Pressductor (magnetoelastic force measurement) |
| Application Scope | Web tension measurement in paper, metal, and converting lines |
| Mounting Style | Under-pillow block / horizontal or vertical bearing housing mounting |
| Operating Temperature | -10°C to +80°C (Standard industrial range) |
| Product Status | Industrial Automation Spare Part / Active System Support |
First-Run Inspection Checklist
- ☑ Physical & Mechanical Integrity
Inspect the load cell housing, mounting surfaces, and internal measuring gap for any transit damage, mechanical distortion, or accumulation of debris.
- ☑ Alignment & Pillow Block Seating
Ensure that the bearing pillow block mounted on top of the load cell is correctly aligned, torqued to factory specifications, and free from binding or uneven mechanical pre-load.
- ☑ Cabling & Junction Box Check
Verify that the signal cable connecting the load cell to the tension electronics (such as the ABB PFEA series units) is securely terminated, shielded, and free from pinching.
Routine Maintenance & Servicing
- 🛠 Environmental & Roll Inspection
Periodically check that guide rolls resting on the load cells spin freely without bearing wear, vibration, or mechanical rubbing that could distort tension readings.
- 🔌 Shielding & Grounding Check
Inspect signal cable shielding and grounding connections regularly to ensure noise-free transmission of low-level analog signals in high-EMI industrial environments.
Troubleshooting & Common Issues
- ⚠️ Erratic or Unstable Tension Readings
If tension values fluctuate wildly, inspect guide roll bearings for mechanical friction, check for damaged cable shielding, and verify that the load cell gap is clear of foreign debris.
- ⚠️ Zero Offset / Calibration Drift
If the baseline tension shifts when the web is empty, perform a zero calibration check via the connected tension electronics and verify that no mechanical forces or pipe/conduit strains are pulling on the transducer.
Safety Precautions
- 🔐 Qualified Personnel Only
Mechanical mounting, alignment, and electrical wiring must be performed exclusively by certified technicians familiar with web handling machinery and instrumentation.
- ⚠️ Mechanical Lockout / Rigging Safety
Always support heavy guide rolls and isolate mechanical drives before loosening pillow blocks, mounting bolts, or servicing load cells to prevent crush hazards.
Frequently Asked Questions (Q&A)
- ❓ Q1: How does the Pressductor technology in the PFTL 101B function?
A: Pressductor technology relies on the magnetoelastic principle, where the magnetic properties of the core material change in proportion to the mechanical force applied, providing high durability and immunity to electrical noise without moving parts or strain gauges.
- ❓ Q2: What electronic units typically pair with this load cell?
A: It is typically connected to ABB tension electronics units (such as the PFEA111, PFEA112, or PFEA21x series) which supply excitation power and process the output signals into standard 4–20 mA or fieldbus outputs.
