Description
Note: Many products are not yet listed. Please contact us for more product information. Our supply channels are constantly expanding, and we currently have 20 stable shared supply channels. Please confirm the model, product, price, and all other necessary information with customer service before placing an order. We offer new, refurbished, and used products, and prices are adjusted according to the year of the item you require.
3. Key Technical Specifications
| Parameter | Value |
|---|---|
| Model | MMS6220 / MMS 6220 |
| Product Type | Dual Channel Shaft Eccentricity Monitor |
| System Compatibility | EPRO MMS 6000 series |
| Sensor Inputs | 2 independent eddy-current channels (differential, galvanically isolated) |
| Compatible Sensors | EPRO PR 642X series eddy-current probes |
| Signal Evaluation | Peak-peak, minimum / maximum |
| Frequency Range | Approx. 0.017–70 Hz (1–4200 rpm typical) |
| Interfaces | RS-232 (configuration), RS-485 (system bus) |
| Power Supply | 18–31.2 V DC (typical 24 V) |
| Form Factor | MMS 6000 series module (approx. 6 TE width) |
4. Product Introduction (Anti-Template)
The EPRO MMS6220 (also written MMS 6220) is a dual-channel shaft eccentricity monitor belonging to the MMS 6000 machinery monitoring and protection system. It processes relative radial shaft position signals from eddy-current proximity probes and evaluates peak-to-peak and minimum/maximum values.
These measurements are used for turbine and rotating machinery protection, particularly to detect shaft eccentricity, bow, or related rotor dynamic conditions. The module includes an integrated microcontroller, self-test functions for electronics and transducers, and the ability to record characteristic values from the last run-up or run-down. Configuration is performed via RS-232, while RS-485 allows connection to analysis systems such as the MMS 6850 or higher-level host computers. It is designed for use with EPRO PR 642X series sensors and is commonly installed in power generation and turbomachinery protection racks.
MMS6220
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5. QC, Procurement & Logistics SOP
- Inbound Verification – Confirm full model number (MMS6220 / MMS 6220), revision markings, connector condition, and any configuration labels. Photograph all identifiers.
- Functional Testing – Apply power and verify basic status indicators and self-test operation where possible. Full validation requires compatible eddy-current sensors and the host MMS system.
- QA & Packaging – Protect connectors and the circuit board, clean according to electronics handling practices, and pack in anti-static protective packaging.
- Global Logistics & Export Compliance – Classify under the correct HS code for industrial monitoring modules. Packaging must protect against electrostatic discharge; export documentation is prepared to minimize customs delays.
6. Technical Pitfalls & Integration Warnings
Sensor Compatibility – Use only compatible EPRO PR 642X series eddy-current probes. Incorrect probe type or wiring will produce invalid measurements.
Gap Voltage / Linear Range – Verify probe gap voltage is within the linear operating range during installation and commissioning.
Configuration – Alarm limits, measuring range, and operating mode must be set correctly via the configuration interface. Incorrect settings can cause false trips or missed alarms.
System Bus – When connecting via RS-485, confirm bus addressing and termination to avoid communication conflicts with other MMS modules.
7. Frequently Asked Questions (FAQ)
What is the realistic global lead time for a verified MMS6220?
As a specialized EPRO MMS 6000 module, availability depends on surplus stock. Typical lead time after verification is 5–15 business days plus standard shipping.
What is the primary function of this module?
It is a dual-channel shaft eccentricity monitor that processes eddy-current probe signals for turbine and rotating machinery protection.
How many channels does it have?
Two independent channels.
What sensors does it work with?
EPRO PR 642X series eddy-current proximity probes.
What system is it part of?
The EPRO MMS 6000 machinery monitoring and protection system.
Is the module still in production?
The MMS 6000 series is a mature product line. Availability is primarily through surplus and specialist channels for existing installations.
What should be confirmed before ordering a replacement?
Exact model number (MMS6220), required configuration settings, compatible sensor type, and integration requirements with the existing MMS 6000 rack or analysis system.
