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This display supports industry standard modbus Rs485 communication protocol
Support function code 3 to write display data 4 digit data
1). Leone make original two 30Amp Relay Suitable for upto 2HP pump
2). Two Mode of Operation
3). Led Indication for power, Pump ON, Upper Tank Level High, Medium & Low, Lower tank Level Ok
4). Works On 12V AC/DC, Min 500mA
5) Auto/Manual Function
6). Optical Isolation at level sensing inputs for better sensitivity
This circuit can be used in starter panel of pump to prevent the pumps from high and low voltage protection, overload or dry run protection, it has 0-20Amp CT to sense output current. additionally it has a run timer, when operator start the push button, relay will ON and keep ON up to preset time after timer done, relay will get off. it also stop the pump if any fault condition occurred, like high voltage, low voltage, overload or dry run faults.
