ABB PFTL101B 3BSE004185R1 | Pressductor Tension Sensor

• Model: PFTL 101B-2.0 kN
• Brand: ABB
• Series: Pressductor PillowBlock PFTL 101
• Part Type: Horizontal load cell / force transducer
• Core Function: Measures horizontal force for web-tension control, particularly in paper-machine applications.
• Key Specs: 2.0 kN nominal load, 500% overload capacity, 0.5% accuracy class, 0.015 mm deflection.

Product Introduction

A tension-control loop can remain operational while its force feedback has quietly drifted out of specification. That is where the ABB PFTL101B 3BSE004185R1 becomes relevant: it is a Pressductor PillowBlock load cell designed for horizontal force measurement in industrial web-tension applications.

ABB identifies the PFTL101B as part of the Pressductor PFTL 101 family, with applications including paper machines, calenders, coaters, and winders. The 3BSE004185R1 version has a 2.0 kN nominal load rating. ABB specifies 500% overload capacity in the measurement direction, 0.5% accuracy class, and only 0.015 mm deflection at rated load.

For legacy equipment maintenance, this is a sensor where mechanical compatibility matters just as much as the electrical connection. A New Surplus replacement should be checked against the installed PFTL version and force range before procurement.

Core Technical Specifications

ABB PFTL101B 3BSE004185R1

ABB’s current product page confirms that PFTL101B belongs to the PFTL 101 horizontal load-cell family and lists nominal capacities from 2.0 to 20 kN for the B version. The OEM manual specifically cross-references PFTL 101B / 2.0 kN / 3BSE004185R1.

Application Scenarios & Pain Points

The engineering takeaway is simple: match the force range and mechanical installation, not just the PFTL model family.

• Paper manufacturing: On paper machines and winders, the sensor measures horizontal force associated with web tension. A 2.0 kN unit is intended for applications within its specified measurement range.
• Coating lines: Installed around calenders or coaters, the PFTL101B can form part of the closed-loop tension measurement chain. Incorrect load-cell range selection can distort the control signal.
• Printing equipment: Web-handling machinery depends on stable tension feedback. Mechanical misalignment at the PillowBlock mounting point can create measurement errors even when the sensor itself is electrically healthy.
• High-speed machinery: ABB specifically positions the PFTL 101 family for applications involving heavy rolls and high operating speeds with relatively low tension levels.
• Maintenance replacement: In a legacy line operating continuously, keeping a verified spare avoids extending downtime while waiting for a specialized force sensor.

? Common Error Codes & Diagnostic Symptoms

Symptom/Code: Tension signal remains unstable with a mechanically steady load
→ Diagnosis: Possible load-cell damage, mechanical misalignment, cable/connector problems, or excessive external loading.
→ Action: Inspect mounting geometry and wiring first; compare measured output against the approved calibration procedure and replace the load cell if the sensor is confirmed faulty.

Symptom/Code: Tension feedback remains near zero or outside the expected operating range
→ Diagnosis: An open circuit, damaged connection, incorrect sensor installation, or failed transducer may be preventing the force signal from reaching the measurement electronics.
→ Action: Check the complete sensor circuit and mechanical load path before replacement.

Symptom/Code: Tension reading changes when the roll position changes without a corresponding process change
→ Diagnosis: Mechanical installation stress, incorrect alignment, or transverse loading can affect force measurement. ABB specifies a permitted transverse load of 30 kN for the 2.0 kN PFTL101B configuration.
→ Action: Verify mounting alignment and external forces; replace the sensor if mechanical causes are eliminated.

ABB PFTL101B 3BSE004185R1

? Cross-Reference & Lifecycle Migration

Cross-Reference

The OEM documentation provides a particularly useful identification chain:

• PFTL 101B-2.0 kN
• ABB Product ID: 3BSE004185R1
• Product Description: Load Cell

ABB also lists other PFTL101B capacities:

• 5.0 kN — 3BSE004191R1
• 10.0 kN — 3BSE004197R1
• 20.0 kN — 3BSE004203R1

Do not substitute a 5, 10, or 20 kN unit simply because it shares the family. The rated capacity directly affects the measurement application.

Compatibility

The is the standard-version PillowBlock load cell. ABB separately identifies PFTL101BE/BER variants for mill-duty and acid-resistant applications. The BE version uses a fixed connection cable and is rated IP66; the acid-resistant versions are intended for wet-end environments.

Lifecycle

Lifecycle: Established / legacy industrial sensor family.

For plants running older paper, coating, or winding equipment, maintain a spare based on actual line criticality. A 2.0 kN replacement should be verified against the existing mechanical assembly and signal-conditioning equipment before being treated as a direct substitute.

Field Engineer’s Tech Notes

1. Don’t load the sensor sideways just because the mechanical assembly fits. The measures in the horizontal direction. ABB specifies a separate permitted transverse-load value, so check roll alignment, bearing condition, and mounting stress if the signal is unstable.
2. Do not confuse with the BE or BER versions. These variants can differ in connection and environmental protection. ABB specifically describes the BE version as having a fixed cable and IP66 protection, while the BER version is designed for acid-resistant service.

Strict QA & Testing SOP

Step 1 — Inbound identification
Confirm , 2.0 kN, and 3BSE004185R1 against the physical label and procurement documentation.

Step 2 — Mechanical inspection
Inspect the PillowBlock housing, mounting surfaces, cable/connector interface, and load-bearing structure for impact damage, deformation, corrosion, or contamination.

Step 3 — Electrical inspection
Check the sensor circuit according to the applicable ABB/Pressductor test procedure. Do not apply arbitrary excitation voltage or substitute a generic load-cell wiring scheme.

Step 4 — Controlled force testing
Where suitable calibration equipment is available, apply a controlled horizontal force and verify the sensor response against the approved calibration limits.

Step 5 — Zero and repeatability checks
Remove the applied load and confirm return-to-zero behavior. Repeat the controlled-load test to identify abnormal hysteresis or inconsistent readings.

Step 6 — Final QC and packaging
Record the serial number, part number, inspection results, and test data. Package the sensor with mechanical protection and prevent impact loading during transportation.

Test reports, inspection photographs, and test videos are available upon request.

Buyer’s FAQ

Q: Is 3BSE004185R1 the same part as -2.0 kN?
Yes. ABB’s own manual identifies PFTL 101B, 2.0 kN, 3BSE004185R1 as a load-cell configuration.

Q: Can I use a 5 kN instead of the 2 kN version?
Not automatically. The 5 kN version has a different ABB part number, 3BSE004191R1, and changing the rated capacity can affect the measurement range and control-system calibration.

Q: Is this a PLC or controller module?
No. It is a Pressductor PillowBlock load cell used for horizontal force measurement and web-tension applications.

Q: How can I verify that a supplied unit is genuine and suitable?
Request photographs of the ABB identification marking, product ID 3BSE004185R1, physical condition, and test results. For New Original or New Surplus stock, the part number should agree with the OEM identification; for refurbished units, request a unit-specific inspection/test report before shipment.