分布式变频无人值守换热站的监控系统设计
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Design of Monitoring System with Unattended Distributive Frequency Conversion Heat-exchange Station
Lirong XIE, Zhihuang WEI, Jing CHENG
表1 S7-200数据存储区与MODBUS地址的对应关系
MODBUS地址 S7-200数据存储区
00001-00128 Q0.0-Q15.7
10001-10128 I0.0-I15.7
30001-30032 AIW0-AIW62
40001-4XXXX T—T+2*(XXXX-1)