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rodneyk

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About rodneyk

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  1. We have an IO-AI4-AO2 module that has a fried inductor (L3 on one of the analog outputs), and we would like to get the internal diagrams of this module, to be able to replace the inductor- it is a SMD, and we would like to see what may have caused it to burn up. Can the internal diagram of this module be acquired/purchased from Unitronics? Thanks Rodney
  2. The LCD has a 0V terminal, V+ , IN1 and IN2 (2 analog 0-10VDC inputs). Can the V200 analog COM line be safely attached to the 0V line, or does it need to remain isolated from the power ground? Thanks for the help... Attached is the connection diagram in the LCD's datasheet;
  3. rodneyk

    V200

    Diagram
  4. I need to show a voltage on a remote LCD display that has a 0-10v input. I am sending the value via the V200 analog output, set up as 0-10v. With the LCD disconnected, I get the 0-10 volts from AO0, but when I connect the LCD to the AO0 port, the LCD displays approx. 500 mv. and the output of AO0 drops from 10v to about 3.2v. The LCD datasheet says the the IN1 input is not isolated from the V+ ground. I am guessing that this is because I have not connected the Analog Output COM line, and the voltage from AO0 has no return path; The question is, if it is OK to connect the COM line to the 0V common? This type of connection is not shown in the V200 documentation. Thanks for any help in this matter.
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