Process Data Acquisition – CHPDA -- Detailed
analysis of quality manage&industrial big data sources |
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56 PDA
system scheme for converter, RH furnace, LF furnace in steel plant |
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12
TDC Ethernet
TDC CPU555 onboard ethernet
port performance is poor, UDP is suggested for acquisition by CP 12.1
CTV_P mode
Ethernet-UDP may be used, see
section 4.3, Data source type is 25. The following configuration is
acquisition of 32REAL+32BIT; the rest may be deduced by analogy, CP CPU555 onboard ethernet may be 1472bytes/8ms, CPU's load rate may be increased by about 2%.
Note the initialization cycle: 32ms≤ TA≤ 256ms. Select the card writer. 12.2 Read DB block modeWrite signals to DB block appointed by S7DB_P, PDAServer directly read the DB; the other is same as section 4.8, PDA sample period is 10ms~100ms level. 12.3
Address book mode
Select WinCC attributes of collected CFC pin, address book will be generated after compiled, or specify DB number by S7DB_P, fill address into Config.csv, data source type is 21, the other is same section 4.8. Swap byte should be attended. PDA sample period is 10ms~100ms level. [1000,16CH,10.000ms,192.168.0.23,21,txtNote,192.168.0.216,3] No,
Name
,Adr/note
,Unit,Len,Offset
,Gain
,Type,ALM, CH1=, DB1031.DBD24576,DB1031.DBD24576, ,4 ,0.000000,1.000000,REAL,0 ,0.000,0.000 CH2=, DB1031.DBD24580,DB1031.DBD24580, ,4 ,0.000000,1.000000,REAL,0 ,0.000,0.000 …… |
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Apparatus test&Fault diagnosis&Quality analysis |
Millisecond data sampling Real-time data compression Capture signal instantaneous mutation |
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communication protocol, Customized analysis function, XinChuang domestic
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PDAServer
PDAClient