Motion Control and Motor Drives

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Torque mode servo drive.

Hello I come here to verify some information.

 

I've an DAQ card which outputs a analog voltage +/- 10 [V]. The DAQ is connected to a servo drive. The servo generates a pulse width modulation signal and passes it to the motor. Now the voltage represents a certain torque which the motor should deliver.

 

The manual states that I can put the servo into current ("torque") mode. My question is what do I need to understand about the term "torque mode". Is it correct then that I just can send my signal (which represents a certain torque) over a resistor to the servo then?

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Current=torque.  The analog signal is proportional to the current that the drive will put out.  I am not sure why you need a resistor.  If the DAQ is +/-10VDC, and the drive is +/-10VDC, then you should be able to connect them directly.  10VDC=max current that the drive is set up for.
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