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Phone: +86 16626708626Description
Key Technical Specifications
- Model: VM-5T
- Brand: Shinkawa
- Product family: VM-5 Series monitor
- Monitor type: Dual thrust monitor
- Measurement range: -2.0 to +2.0 mm
- Accuracy: ±0.5% F.S. at 25 °C
- Operating temperature: 0 to 65 °C
- Storage temperature: -30 to +85 °C
- Alarm points: 8 points
- Recorder output: 0 to 10 VDC, 0 to 5 VDC, or optional variants
- Sensor input: VK or VC series sensor compatibility
- Serial communication: Modbus
- Contact output: Dry contact alarm outputs
Product Introduction
Shinkawa VM-5T is a VM-5 Series dual thrust monitor used on rotating machinery where shaft position and thrust movement must be tracked accurately. It is part of a machine protection system built around API 670-style monitoring requirements.
This model is a practical fit for turbine and compressor installations that already use Shinkawa VM-5 hardware. Buyers usually select it for exact model matching, clear thrust range coverage, and straightforward integration into an existing rack-based monitoring setup.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to this Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Thrust reading stays at zero | Sensor input open, wrong sensor type, or broken cabling | ✅ High | Measure sensor continuity and check the input signal at the rear terminals | Verify sensor wiring and signal type before replacing the module |
| Reading is fixed high or low | Input polarity reversed or range mismatch | ✅ High | Compare the installed sensor and configuration against the old unit | Confirm the setup matches the machine and sensor specification |
| Alarm output active on startup | Threshold settings or input abnormal condition | ✅ High | Check alarm setpoints and input status indicators | Review the configuration before assuming hardware failure |
| Recorder output does not respond | Output wiring fault or load issue | ✅ Medium | Measure output voltage with a multimeter and check the load resistance | Inspect the output circuit and field wiring first |
| Communication is unstable | Loose serial cable or incorrect communication setup | ✅ Medium | Check the Modbus link, cable continuity, and connector seating | Verify address, baud rate, and cabling before replacing the monitor |
| Unit appears dead | Rack power problem or backplane fault | ❌ Low | Measure rack supply at the module slot and check adjacent units | Confirm rack power and backplane health before calling the module bad |
Contact technical support with photos of the front panel, wiring terminals, and diagnostic notes if the fault is still unclear.
- VM-5T
- VM-5T
Frequently Asked Questions
Q: What does the VM-5T monitor?
A: It monitors dual thrust movement on rotating machinery. In plain terms, it tracks shaft position in the thrust direction so maintenance teams can catch abnormal movement before a trip or shutdown.
Q: Is VM-5T the same as a vibration monitor?
A: No, not exactly. VM-5T is a dual thrust monitor, so it is used for shaft thrust position rather than general vibration monitoring.
Q: Can I use it as a direct replacement for an older VM-5T?
A: Usually yes, if the model code and sensor setup match. The part number matters here, and you should compare the old label, wiring, and configuration before ordering.
Q: What is the measurement range?
A: The published range is -2.0 to +2.0 mm. That range is specific to thrust monitoring, so make sure it matches the machine’s installed probe system and alarm window.
Q: Does it support communications?
A: The published information shows Modbus support. Still, verify the exact port type and settings against your installed rack and host system before putting it into service.
Q: Is this new or surplus stock?
A: It is typically sold as New Original or New Surplus, depending on the seller’s inventory source. Surplus pricing is usually lower because it comes from excess stock, not because the part is “inferior.”
Q: What should I check before installation?
A: Check the sensor type, wiring polarity, alarm setpoints, communication settings, and rack power. I would also photograph the old unit first; that simple step prevents a lot of avoidable rework.
