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The MMS 6220 dual channel eccentricity monitor processes relative radial shaft vibration signals of eddy current sensors with the following signal

These measurements serve the construction of turbine protection systems.

They provide signals for analysis and diagnosis systems to be further processed in field bus systems host computers and networks

The cards of the MMS 6000 family aresuitable to build up systems for increasing performance, efficiency and operational safety of the monitored units such as steam, gas- and water turbines and to extend the machines' life times.

By means of a laptop computer connected to the RS 232 interface,parameters and operation modes of the monitor may be configured.

Moreover, the measured characteristical values,the order analysis as well as data of the last run-up or run-down can be visualized.

Each channel must individually be configured via the available interfaces.

The configuration may be changed any time during operation

(in this case the measuring operation of the monitor will be interrupted for approx. 60 sec, thealarms will be enabled again after another 60 sec).

Measuring modes for the dual

channel mode:

- peak – peak measurement

- minimum / maximum

- continuous gap measurement