CAJ | 학술논문

利用三菱PLC和GPRS无线通信技术，将热力公司和所有换热站现场的全部数据传送到监控中心，同时将中心的控制信号有效地发送给换热站。此外还介绍了GPRS IP MODEM （GPRS DTU ）的工作流程，分析了三菱FX2N系列PLC与DTU通信的PLC程序设计。该控制方式已在怀来县热力公司投入使用，实现了远程控制与本地控制的有效结合。
이용삼릉PLC화GPRS무선통신기술，장열력공사화소유환열참현장적전부수거전송도감공중심，동시장중심적공제신호유효지발송급환열참。차외환개소료GPRS IP MODEM （GPRS DTU ）적공작류정，분석료삼릉FX2N계렬PLC여DTU통신적PLC정서설계。해공제방식이재부래현열력공사투입사용，실현료원정공제여본지공제적유효결합。
Based on Mitsubishi PLC and GPRS wireless communication technology ,a heating control system was designed .By use of the system ,all the data from the company and every heat exchanger station could be transmitted to the monitoring center ,and the control signal could be sent to the heat exchange stations at same time .In this paper ,the workflow of GPRS MODEM IP (GPRS DTU) was introduced ,the communication program of Mitsubishi FX2N series PLC and DTU was designed .This control method has been put into use in Huailai County Heating Power Company ,which realizes the effective combination of remote control and local control .