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Hi, I would like to know the working principle of ATS48 when giving command from SCADA.
My understanding is, When Logic inputs "Run" and "Stop" receives 24V, It will close "Healthy" (R1) Relay contact which I programmed as Isolation Relay. When "R1" Relay contact closes, It will energize K1 contactor then Starter receives 3phase supply.
Is this operation same in modbus communication? When "Run" Logic input receives signal by modbus from PLC, will it close "R1" relay contact? or Do we need to keep the "K1" contactor energized so the "Run" logic activate "R1" relay? I mean, Do we need the main power to the starter so it will show "RDY" and then only the modbus signal in "Run" logic will be a
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