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  • Users: UniCO2
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  1. UniCO2

    Connecting Power Supply -DC to GND

    On a PLC DAQ system, do you connect your -DC on the power supply to GND?
  2. UniCO2

    Any idea what this symbol is?

    Hi - I have attached a picture of the symbol. It is the one to the left of the pH meter. Is is part of a pH water control loop. Does anyone know what it could be? The piping is 3/4" PVC SCH80. I think it is some kind of check valve w/ injection port or bleed port. Thanks in...
  3. UniCO2

    Help identify P&ID symbol

    Hi - I have attached a picture of the symbol. It is the one to the left of the pH meter. It is part of a pH water control loop. Does anyone know what it could be? The piping is 3/4" PVC SCH80. I think it is some kind of check valve w/ injection port or bleed port. Thanks in...
  4. UniCO2

    Wireless Transmitter/Receiver

    Hi All - The project has a signal that would be stationary but the DAQ will move. Distance will be less than or equal to 1000 meters, and could be much less but nominally 500 m. I don't like wireless and prefer to use actual signal wire however that might not be an option. Can anyone...

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