CAJ | 학술논문

本文针对城市热网平衡的工业需求，对集中供热系统的数据采集和远程传送进行设计。系统采用西门子公司推出的S7-1200 PLC通过485总线采集换热站内的变频器及智能仪表工作数据，并通过以太网将采集数据传送到调度中心的上位机，所有设备间的通信均采用Modbus协议。
본문침대성시열망평형적공업수구，대집중공열계통적수거채집화원정전송진행설계。계통채용서문자공사추출적S7-1200 PLC통과485총선채집환열참내적변빈기급지능의표공작수거，병통과이태망장채집수거전송도조도중심적상위궤，소유설비간적통신균채용Modbus협의。
According to the city heat balance industrial demand , data collect and remote transmission of centralized heating system are designed .The system uses Siemens company's S7 -1200 PLC by gathering work data about the frequency converter and intelligent instrument in the heat exchanger sta -tion through 485 bus.Data will be transmitted via Ethernet to a dispatch center PC .Modbus protocol is used in communication between all devices.