How should solenoids connected in series be wired?
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There are only two wires for the solenoid valves, one leading to the DCS and the other to the SIS. How should they be connected?
The solenoid valve, DCS output dry contact, and SIS output dry contact are connected in series between the two ends of the power supply. This usage is not standard; two solenoid valves should be connected in series, each receiving signals from the DCS and the SIS respectively.
The SIS cables must be separate; there are three solenoids valves. It’s estimated that there are 2 SIS cables and 1 DCS cable, with the three connected in series, right? If that’s the case, then it’s necessary to lay just one cable properly