| S7-1200PLC基于Modbus通信协议的数据采集及远程传送应用 |
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| 引用本文： | 李宏宇,张庆广,王云龙. S7-1200PLC基于Modbus通信协议的数据采集及远程传送应用[J]. 黑龙江冶金, 2014, 0(4): 31-32 |
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| 作者姓名： | 李宏宇 张庆广 王云龙 |
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| 作者单位： | 威海博斯特自动化技术有限公司,山东威海264200 |
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| 摘 要： | 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。
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| 关 键 词： | S- PLC 变频器 Modbus协议 |
Modbus communication protocol-based data collect and remote transmission applications for S7-1200 PLC |
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| Li Hongyu,Zhang Qingguang,Wang Yunlong. Modbus communication protocol-based data collect and remote transmission applications for S7-1200 PLC[J]. , 2014, 0(4): 31-32 |
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| Authors: | Li Hongyu Zhang Qingguang Wang Yunlong |
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| Affiliation: | (Weihai boost automation technology Co. , Ltd. , Shandong Weihai 264200 China) |
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| Abstract: | 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. |
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| Keywords: | S7-1200 PLC inverter Modbus protocol |
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