Process Data Acquisition – PDA -- 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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43
S7-200 smart
43.1
Standard ethernet UDP mode
Package the data and send it to the PDA server by udp_send. 43.2 Read PLC memory address directlyThe data source type is 19, Byte swapping should be noted, and the memory area can be collected as follows: I: Process image input
I0.1 IB4 IW7 ID20 Q: Process image output
Q1.1 QB5 QW14 QD28 V: Variable memory
V10.2 VB16 VW100 VD2136 M: Marker memory
M26.7 MB0 MW11 MD20 S: Sequential control relay S3.1 SB4 SW7 SD14 SM:Special memory
SM0.1 SMB86 SMW300 SMD1000 AI:Analog input
AIW4
must be even AQ:Analog output
AQW4
must be even C: Counter memory
uint24 T: Timer memory
uint40 HC:High speed counter
uint40 |
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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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PDAServer
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