System of the present invention close a kind of adjustment fishpond water temperature of what with electric power temperature control system,System include a PLC ammeter,One PLC Temperature controlled heater and a remote host; Wherein the PLC ammeter system decides whether that fishpond power line is enabled to connect with AC power source,And transmission electric line network offer power line AC supply voltage,Current value gives the remote host,The remote host also penetrates the respective value that electric line network obtains fishpond water temperature from the PLC Temperature controlled heater again,To calculate the temperature of water temperature,The voltage and current of foundation AC power source again,The heated current of the PLC Temperature controlled heater is adjusted,Control fishpond water temperature; ThereforeThe present invention provides the function of remote control fishpond water temperature,And directly using fishpond power line as control medium,Without separately laying network circuit.本發明係關於一種調整魚池水溫用之電力溫控系統,係包含有一PLC電錶、一PLC溫控加熱器及一遠端主機;其中該PLC電錶係決定是否令魚池電力線與交流電源連接,並透過電力線網路提供電力線交流電源電壓、電流值予該遠端主機,又該遠端主機亦透過電力線網路自該PLC溫控加熱器中取得魚池水溫的對應值,以計算水溫的溫度,再依據交流電源的電壓及電流,即調整該PLC溫控加熱器的加熱電流,控制魚池水溫;是以,本發明提供遠端控制魚池水溫的功能,而且直接利用魚池電力線作為控制媒介,而不必另行佈設網路線。