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Phone: +86 16626708626Description
3. Key Technical Specifications
- Excitation Current: 25 A
- Operating Frequency: 1638 Hz
- Application: For PFVL 141V, PFVL 141C, PFVL 141R (>8 MN)
- Enclosure: Stainless steel box
- Power Consumption: Integrated with system supply
- Isolation: High isolation for measurement signals
- Mounting: Field or cabinet installation
- Compatibility: Millmate Controller 400 systems
- Weight: Approx. 7 kg
- Environmental: Industrial rugged design
4. Product Introduction
The ABB PFVO142 (3BSE023732R1) is a Matching Unit for the Millmate Roll Force measurement system. It provides high-current excitation and signal matching for pressductor force sensors in rolling mill applications.
This unit ensures accurate force measurement under heavy loads by delivering stable 25A excitation at 1638 Hz to large PFVL sensors. It is a critical component in high-capacity rolling mill stands where precise roll force feedback is required for gauge control.
5. Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No sensor excitation | Power supply or connection fault | ✅ High | Measure output current at sensor terminals | Verify input power and internal fuses |
| Unstable or noisy force signal | Excitation frequency drift or wiring issue | ✅ High | Check frequency and cable integrity | Inspect excitation cables for damage |
| Over-temperature alarm | High ambient or overload | ✅ Medium | Monitor enclosure temperature | Improve ventilation or check duty cycle |
| Sensor not responding | Mismatch with sensor type | ✅ High | Confirm sensor model matches PFVO142 rating | Use correct matching unit for sensor force range |
| Communication loss to controller | Fieldbus or I/O fault | ❌ Low | Check controller diagnostics | Focus on controller side first |
Always verify sensor excitation current and frequency during commissioning.
- PFVO142
- PFVO142
6. Frequently Asked Questions (FAQ)
What sensors does the PFVO142 work with? It is designed for PFVL 141 series pressductor sensors rated above 8 MN, providing 25A excitation at 1638 Hz.
Is this unit field-mountable? Yes. The stainless steel enclosure supports installation near the rolling mill stand with proper cabling to the controller.
How critical is the excitation frequency? The 1638 Hz is matched to the sensor characteristics for optimal signal-to-noise ratio and accuracy in force measurement.
Do I need a separate controller? Yes. It pairs with Millmate Controller 400 or equivalent systems for signal processing and control output.
Condition of stock units? New Original / New Surplus. Each unit is verified for excitation output and basic functionality.
Installation notes? Follow ABB Millmate system guidelines for cabling, grounding, and thermal management. Proper shielding is essential due to high current switching.
Warranty and availability? 1-year warranty. These units are subject to availability in specialized measurement systems. Confirm your sensor model for exact match.
