Issue: I have to send an analogue signal (water level) from Discharge Reservoir to Pump Station, 2.5km away.
Our supplier, who is responsible for all electrical equipment selected wireless radio modem ZZ8D (spec attached)
He succeeded in radio communication with it in a short distance but...
Hello All,
I am looking for a method which transmit OPEN/CLOSE signal from "A" Pump Station to "B" Pump Station.
(a) There is no wire connection between two Pump Stations, 1.5km apart.
(b) Ordinary wireless device is prohibited to use.
(c) Mobile telephones work at both Pump...
I would like to ask, how the centrifugal pump operation is done through PLC in Auto - sequence mode in general.
Starting of Pump in Auto Sequence:
1) Whenever the pump has to be operated, the discharge valve needs to be in "shut" or "close" position.
2) After the Motor/pump has been...