DonM
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Status Updates posted by DonM
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Hi v2comp,
I would study the documentation for your proportional valves. The valves I have used have had a 'sealing function' or 'cutoff' parameter which would completely close the valve if the PLC's analog output fell below a threshold.
I was controlling water. Gas is considerably more hazardous, so take care and consider employing the services of a qualified co...