PLC高速数据采集分析系统 ─ 详尽解析质量管理及工业大数据来源 |
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5
S7-400/300/TDC/FM458以太网变量存取 数据源类型为21,注意字节交换,PLC中不需要编任何程序。 可采集的数据区为IB[0..65535]、QB[0..65535]、MB[0..65535]、DB[1..65535].DBB[0..32767]、PIB[0..65535],随着变量地址的不连续增加,采样周期将变慢,约10~100ms。 将变量地址信息输入到变量地址栏(ADDRESS)。建立将工程项目中已经定义好的符号表通过Excel拷入到Config.csv中并作适当调整。 比上节方案消耗更多的PDA服务器和PLC资源。 能通过Step7 5.5
+ S7-PLCSIM + NetToPLCSim模拟。 [1000,18CH,2.000ms,192.168.0.210,21S,txtNote,192.168.0.216,2] No,
Name,Adr/note
,Unit,Len,Offset
,Gain
,Type,ALM,HH CH1=, ,MW0 , ,2 ,0.000000,1.000000,INT ,0 ,0.000 CH2=, ,MW4 , ,2 ,0.000000,1.000000,INT ,0 ,0.000 CH3=, ,MW12 , ,2 ,0.000000,1.000000,INT ,0 ,0.000 CH4=, ,DB2.DBD4 , ,4 ,0.000000,1.000000,REAL,0 ,0.000 CH5=, ,DB2.DBW8 , ,2 ,0.000000,1.000000,INT ,0 ,0.000 CH6=, ,IB0 , ,1 ,0.000000,1.000000,BYTE,0 ,0.000 CH7=, ,ID4 , ,4 ,0.000000,1.000000,DINT,0 ,0.000 CH8=, ,QW6 , ,2 ,0.000000,1.000000,INT ,0 ,0.000 CH9=, ,QW10 , ,2 ,0.000000,1.000000,WORD,0 ,0.000 CH10=, ,QD12 , ,4 ,0.000000,1.000000,REAL,0 ,0.000 CH11=, ,M18.1 , ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH12=, ,M19.2 , ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH13=, ,I10.3 , ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH14=, ,I12.6 , ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH15=, ,Q20.7 , ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH16=, ,Q21.0 , ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH17=, ,DB2.DBX0.0, ,1 ,0.000000,1.000000,BIT ,0 ,0.000 CH18=, ,DB2.DBX2.2, ,1 ,0.000000,1.000000,BIT ,0 ,0.000 |
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设备测试 故障诊断 质量分析 |
毫秒级的数据采样 高效实时数据压缩 捕捉信号瞬时突变 |
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