Model: A6500-UM
Brand: Emerson (AMS / CSI)
Series: AMS 6500 ATG Machinery Protection System
Core Function: Dual-channel universal measurement card for machinery protection and condition monitoring. Supports a wide range of sensors for shaft vibration, case vibration, position, eccentricity, speed/key, and dynamic pressure measurements. Forms the core measurement module of API 670-compliant Turbine Supervisory Instrumentation (TSI) systems.
HS Code: 9031.80 / 8538.90 (Measuring or checking instruments / Parts for electrical control apparatus)
Product Parameters
| Parameter | Specification |
|---|---|
| Product Type | Universal Measurement Card |
| Number of Channels | 2 (independent or combined) |
| Supported Sensors | Eddy-current, Piezoelectric (accelerometer/velometer), Seismic (electrodynamic), LF bearing vibration, Hall-effect, LVDT (with A6500-LC), Dynamic pressure |
| Measurement Functions | Shaft Vibration (Displacement), Case Vibration (Displacement/Velocity/Acceleration), Position (Distance, Rod Gap, Rod Drop, Eccentricity), Speed & Key, Dynamic Pressure |
| Digital Inputs | 5 |
| Digital Outputs | 6 (including Channel OK, Alert, Danger) |
| Form Factor | 3U height, 1-slot (6 HP / approx. 30 mm) plug-in module |
| Compatibility | A6500-SR, A6500-RR, A6500-FR system racks |
| Hot-Swappable | Yes |
| Communication | Via A6500-CC Com Card (Modbus RTU/TCP, OPC UA) |
| Operating Temperature | –20 °C to +70 °C |
| Storage Temperature | –40 °C to +85 °C |
| Weight | Approx. 200 g |
| Compliance | API 670, CE |
Advantages and Features
- Highly versatile – one card supports multiple measurement types (vibration, position, speed, pressure)
- Dual independent or combined channels for flexible configuration
- Compact 3U single-slot design saves significant cabinet space compared with traditional 6U cards
- API 670 compliant for critical machinery protection applications
- Hot-swappable for online maintenance
- Built-in sensor power supplies and fault detection
- Buffered and proportional analog outputs (0/4–20 mA)
- Seamless integration with A6500-RC relay logic and A6500-CC communication
- Supports advanced predictive features when used with AMS prediction software (PeakVue, order analysis, etc.)
Application Cases in Application Fields
- Relative and absolute shaft vibration monitoring on steam, gas, and hydro turbines
- Case vibration (bearing housing) measurements
- Axial position, thrust position, and differential expansion
- Rod drop / rod gap monitoring on reciprocating compressors
- Eccentricity and speed/keyphasor measurements
- Dynamic pressure monitoring
- Complete TSI (Turbine Supervisory Instrumentation) systems in power generation
- Critical rotating machinery protection in oil & gas, petrochemical, and process industries
Comparisons with Competing Products
| Aspect | Emerson A6500-UM | Traditional Dedicated Cards | Other Universal Cards |
|---|---|---|---|
| Versatility | Very High (multi-sensor/multi-function) | Low (function-specific) | Medium to High |
| Channels | 2 | 1–4 | 2–4 |
| Form Factor | Compact 3U / 1-slot | Often 6U | Varies |
| Hot-Swap | Yes | Limited | Varies |
| API 670 Compliance | Yes | Yes | Yes |
| Best For | Flexible, space-optimized systems | Simple dedicated measurements | General-purpose monitoring |
Selection Suggestions and Precautions
Selection Suggestions:
- Choose A6500-UM as the primary measurement card for most vibration, position, and speed applications in the AMS 6500 ATG system.
- Use in combination with A6500-TP for temperature and process parameters.
- Pair with A6500-RC for programmable relay logic and A6500-CC for communication.
- For LVDT sensors, use the A6500-LC converter in conjunction with this card.
- Configure channels independently or in combined modes according to the application (e.g., X-Y vibration, differential expansion).
Precautions:
- Correct sensor type, wiring, and power settings must be selected during configuration.
- Sensor cable shielding and grounding are critical for measurement accuracy and noise immunity.
- Hot-swap operations should follow Emerson procedures.
- Configuration is performed using AMS Machine Studio software.
- Always validate alarm setpoints, voting logic (if used with A6500-RC), and system response during commissioning.
- Refer to the official A6500-UM operating manual for detailed application notes and limitations.
Recent Popular Same-Brand / Related Models
- A6500-TP — Temperature / Process Measurement Card
- A6500-RC — System Relay Card (16-channel)
- A6500-CC — System Communication Card
- A6500-LC — LVDT Converter
- A6500-SR / A6500-RR / A6500-FR — System Racks
- A6500-PE — Prediction Extension License
- Other AMS 6500 ATG system components
