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MR-260A
Mössbauer Drive Unit

The Mössbauer Drive Unit MR-260A is used to control the source motion of Mössbauer Velocity Transducers. It can be operated together with all WissEl transducer models. An error minimisation facility of the Drive Unit MR-260A provides a high precision of the source motion. By means of this facility the velocity transducer can be operated not only in its resonance frequency, but in the whole frequency range of approximately 1 ... 100 Hz. The deviation of the motion from its ideal value is indicated by a LED bar with a logarithmic scale.


SPECIFICATIONS
Controls
Velocity
Front panel 10-turn trim potentiometer for velocity adjustment
Front panel toggle switch to reduce the range of adjustment to one tenth
Front panel toggle switch for switching the velocity transducer on or off
Gain
Front panel 10-turn trim potentiometer for adjusting the amplification of the feedback loop
P
Front panel 10-turn trim potentiometerfor adjusting the control circuit whose signal is proportional to the reference signal
I
Front panel 10-turn trim potentiometer for adjusting the control circuit whose signal is proportional to the integral of the reference signal
Front panel toggle switch for switching the above circuits on or off
Inputs
 
Analog Input:
1 ... 12 Vpp
Outputs
MONITOR:
Analog signla, proportional to the correct value of the velocity:
~30 mV per mm/s
ERROR x 10:
Analog signal, proportional to the difference between the actual and the correct value of the velocity:
~300 mV per mm/s
Physical
 
Double width NIM module
Weight
1.2 kg
Power Requirements
 
+ 12 V 300 mA
± 24 V 10 mA
 
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