wireless 3 phase motor starter controller using rf technology with feedback indicator
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material for 3 phase induction motor control using rf technology
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wireless 3 phase motor starter controller using rf technology with feedback indicator

This system controls ON/OFF of motors, water pumps, irrigation devices or even other electrical appliances using RF wireless remote controller from a remote distant location. Pressing the ON button (on the remote) turns ON the internal relay, similarly, relay can be turned OFF using the OFF button on the remote controller.

Advantages over traditional GSM / mobile based system:

No longer need to refill SIM card currency
Easy to install (do it yourself installation)
Maintenance free system
Standalone system (independent of mobile tower signal strength and network coverage)
Long range of communication
Reliable and robust system, working flawlessly in many industrial plants from many years
Range of Communication:

Range of communication for transmitter and receiver is 2 to 3 Kms in open line of sight conditions. It is advised to place the transmitter and the receiver visible to each other with height not less than 10 feet or better results. The more the height of the transmitter and receiver machines and clear visibility, the better would be the range of communication.

Transmitter characteristics:

The transmitter is operated on a 12VDC power supply. 2 wires from the transmitter connects to an external on/off switch. Any other external switch can also be used. Making the switch in ON position, closes the connection, thereby sending ON signal to the receiver. Similarly, opening the switch, sends the OFF signal.

Receiver characteristics:

The receiver unit has a 5 Amps internal relay that gets (latched) connected once the switch (from the transmitter) turns ON. On release of the switch the receiver relay de-energizes thereby disconnecting the connection. This relay connection from the receiver can be connected to the starter of a 3-phase motor / pump as a trigger signal.

Applications:

The wireless transmitter receiver motor control system, serves a best suited method for operating long distance motor / pump houses
Farm irrigation
Water control in factories and water treatment plants
Public sector water control facilities viz. railway, airports, commercial buildings etc.
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