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I wish to control pneumatic proportional valve using NI 9263 but requires 5 mA control signal 0 to 10v

I wish to control pneumatic proportional valve using NI 9263 but requires 5 mA control signal 0 to 10v

‎01-20-2011 06:35 AM

I wish to control a pneumatic proportional valve using the NI 9263 analogue voltage output module.  The module can only supply 1 mA and the valve requires about 0 to 10 volt @ ~5 mA. I have considered using an OP amp in unity gain buffer.  Any suggestions / circuit examples ?

regards Slopey

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Re: I wish to control pneumatic proportional valve using NI 9263 but requires 5 mA control signal 0 to 10v

‎01-28-2011 07:58 AM

We usually use an Analog Devices or Dataforth isolated 5B module 0-5Vdc input to 0-10VDC output. This seems to work nicely.

Tim
GHSP
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