Technical Data of EPRO MMS6220
| Manufacturer | EMERSON,EPRO |
| Product No. | MMS6220 |
| Product Type | Dual Channel Eccentricity Monitor |
| Origin of Country | Germany |
| Sensor inputs | Two independent signal inputs for eddy current measuring chains. The signal inputs are differential inputs, galvanically isolated from the power supply. |
| Input impedance | ≥100 kOhm |
| Signal frequency range | 0,017...70 Hz (1,02...4200 rpm) |
| Signal voltage range | Minimum range: 0...400 mVpeak Maximum range: 0...8000 mVpeak |
| Sensor supply | Each sensor has an own output buffer, galvanically isolated from all system voltages and the power supply of the monitor. Open circuit and short-circuit proof. Parallel connection with other monitors possible without mutual influences. |
| Nominal voltage | -26,7 V DC |
| Input voltage range | -1...-23 V DC |
Long Description
Applications: The MMS 6220 dual-channel eccentricity monitor processes radial shaft vibration signals from eddy current sensors, providing peak-to-peak and min/max evaluations. These measurements support turbine protection systems and enable analysis for enhanced performance and safety of steam, gas, and water turbines. Users can configure parameters via an RS-232 interface and visualize characteristic values and order analysis data, improving operational efficiency and extending machine lifetimes. Features: Part of the MMS 6000 System: Integrates seamlessly into the MMS 6000 machine monitoring framework. Integrated Microcontroller: Features a built-in microcontroller for efficient processing and control. Compatible with Epro Eddy Current Sensors: Designed for use with PR 642X series eddy current sensors. Data Recording & Storage: Records and stores characteristic values from the last run-up and run-down processes. Self-Test Functions: Includes self-diagnostic capabilities for electronic circuits and transducers to ensure reliability. |  |
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Connection diagram And Requirements on configuration PC
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Configuration of modules is made via the RS 232 interface on the module front or via the RS 485 bus by means of a computer (laptop) with the following minimum specifications: Processor: Intel Pentium®, 266 MHz Interfaces: one free RS 232 interface (COM 1 or COM 2) with FIFO type 16550 UART Capacity of hard disk: 30 MB Required working memory: 32 MB RAM Operating system: Windows® 95/98, NT 4.0, 2000 or XP |
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