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2nd voltage output, filtered with additional amplification
Option DX for TS 621 / TS 621 HD
   voltage output 0 to ±10V, filtered
  additionally to the non-filtered standard output
  cut-off frequency selectable by DIP-Switch
   0,5 / 5 / 10 / 20 Hz
  additional amplification selectable by DIP-Switch
   2-, 3-, 4- or 5-times
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Description
Option DX offers a second, additional 0-10V output for strain gage amplifier TS 621.
This output is filtered and additionally amplified by factor 2, 3, 4 or 5. The signal works in parallel to the fast voltage output.
This option was designed to filter the parts with higher frequency - without useful content - out of the tension signal.
Option DX includes a quad-selectable signal filter. In the region of the particular cut-off frequency the filter response curve drops steeply. This effects a pure tension signal.

The selectable cut-off frequencies ( fC ) are at 0,5Hz / 5Hz / 10Hz and 20Hz.


Filter response curve - logarithmic diagram



Why?
The tension signal typically contents parasitic parts of higher frequencies.
These are caused by machine vibrations, excentricity, traverse movements, reactions from the material guidance and so on.
For control purposes these signal parts are highly undesirable and interfering respectively.
Option D filters these parts and supplies a pure tension signal.

Start animation with F5




Tension signal
with parasitic
signal part













filtered
tension signal

fC = 5Hz






Tension signal with a dynamic part (frequency approx. 3Hz)
Animation shows  effects of filter without additional amplification.
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Block diagram



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Related products

to product page
TS 621
  for strain gauge sensors
  optional outputs
  24V DC power supply
  galvanic isolation

to product page
TS 621 HD
  for strain gage sensors
  wide bandwidth:
    DC to 40kHz
  24V DC galv. isolated
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2nd voltage output, filtered with additional amplification
Why?
 
Block diagram
 
Related products
product page
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