Description
EPRO MMS6220 Dual-Channel Shaft Eccentricity Monitor
The
EPRO MMS6220 is a high-performance dual-channel monitoring module designed for continuous and reliable shaft eccentricity detection in rotating machinery. As part of Emerson EPro’s MMS 6000 series, this advanced device combines eddy current technology with real-time data analysis to ensure early fault detection and prevent costly downtime in critical industries such as power generation, oil and gas, and manufacturing.
Parameter |
Specification |
Channels |
Dual (independent eccentricity monitoring) |
Sensor Type |
Eddy current (e.g., PR642X series) |
Measurement Range |
0–10 mm (adjustable via sensor configuration) |
Accuracy |
±2% of full scale (FS) |
Resolution |
0.1 µm |
Frequency Response |
0.017–70 Hz (1.02–4200 RPM) |
Input Voltage |
24V DC (±10%) |
Output Signals |
0–10V DC (analog), RS-485/Modbus RTU (digital) |
Communication |
RS-232 (configuration), RS-485 (system integration) |
Operating Temperature |
-25°C to +70°C |
Dimensions |
191 x 128 x 31 mm |
- Dual-Channel Redundancy: Simultaneously monitors two radial axes, providing comprehensive insights into shaft health.
- Non-Contact Eddy Current Technology: Ensures precise measurements without physical contact, reducing wear and enabling operation in harsh environments.
- Real-Time Data Analysis: Captures and processes data at up to 10 kHz, enabling immediate detection of eccentricity trends.
- Predictive Maintenance: Stores historical data for trend analysis and triggers configurable alarms to prevent catastrophic failures.
- Modular Integration: Seamlessly integrates with MMS 6000 systems and supports field upgrades via RS-232/485 interfaces.
- Power Generation: Turbine shaft alignment monitoring to avoid resonance-induced damage.
- Oil and Gas: Compressor and pump health assessment in offshore platforms.
- Heavy Machinery: Rail vehicle axle eccentricity analysis for safety compliance.
Case Study: A petrochemical plant reduced unplanned downtime by 20% using the EPRO MMS6220 to detect misalignment in a critical pump, allowing proactive maintenance before failures occurred.

EPRO MMS6220
The EPRO MMS6220 differentiates itself through:
- Wide Measurement Range: Supports up to 10 mm displacement, catering to diverse machinery sizes.
- Enhanced Signal Processing: Offers peak-to-peak and min/max analysis for detailed eccentricity evaluation.
- Self-Diagnostic Features: Monitors sensor and circuit integrity, ensuring continuous reliability.
- Sensor Compatibility: Pair with PR642X-series sensors and CON0X1 preamplifiers for optimal performance.
- Environmental Requirements: Ensure the module’s temperature and humidity ratings align with the installation environment.
- System Scalability: Leverage the MMS 6000 platform for expansion into multi-point monitoring networks.
- Installation: Follow wiring diagrams to avoid electromagnetic interference.
- Power Stability: Use a filtered 24V DC power supply to prevent voltage fluctuations.
- Calibration: Regularly calibrate sensors and modules to maintain measurement accuracy.
山西鑫业达国际贸易有限公司 is your trusted partner for
EPRO MMS6220 and automation spare parts. Visit
www.xydcontrol.com or contact us for sales and technical support.
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