Circuit board to control a frequency converter determined by a TORQUE SENSOR

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hello again i have done a little research about torque measurements and com up with this:
**broken link removed**

torque sensor if you the link don't work


or maybe a cheaper edition, i believe that it is necessary with a maximum of 200 nm in measurements just to be safe.
and again i have a problem, little experience with pls or computer controlled stuff.

can anyone maybe come up with a circuit board witch i can select the newton meters that i want the motor to apply to the chains?? if its more easy ti can just be a pot to control the torque. and if i want to read the torque i can use this: **broken link removed**
Transducer Techniques Model: DPM-3 TEDS IEEE Load Cell or Torque Sensor <W if the link dont work
do this have lo alarm and high alarm?

here is the user-manual on the inverter:
it is a Mitsubishi S500

it can be controlled from
a potentiometer 1/2W1k

or current input 4 to 20mADC


the way i want it work is to little nm applied to the shaft increase speed and too much nm applied to the shaft decrease the speed

LINKS ARE FIXED
 
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