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  • Users: grobert
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  1. grobert

    liquid level control to proportional valve

    I have an OEM customer that wants to open / close a proportional valve based directly from a liquid level in a tank. We are proposing an ultra sonic level transmitter giving 4-20 into a PLC or converter card with direct PWM 600ma proportional output to valve. We are proposing the use of a...
  2. grobert

    Australian wiring standards

    We are wiring a small control panel for installation in Australia. The panel is 220 VAC input. The panel's controls will be 24VDC limited to 15 amps maximum and will consist of 24VDC power supply,relays, micro plc and terminal strips. My question pertains to the type of wire connecting the...

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