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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42
Smart meter DL/T645-2007 protocol
The intelligent meter usually has two RS485, one of which is used for the meter reading of the power supply bureau, and the other can be connected to the PDA system for all kinds of analysis and statistics. the each end of RS485 should be connected with 120 terminal resistance respectively, and the terminal resistance should also be connected when each meter is connected to the 485 star hub, the following chart is a typical application. PDA data source type is 10.
the ammeter number is 12 characters, add ‘ [1,112CH,10.000ms,,10,原料,192.168.20.171,,,2400] No, Name
,Adr/note
,Unit,Len,Offset
,Gain ,Type, CH1=,
1912
,081501020191.00000000,kWh ,4
,0.000000,1.000000,DOUBLE, CH2=,
1912 Ia
,081501020191.02020100,A
,4
,0.000000,1.000000,DOUBLE, CH3=,
1912 Ib
,081501020191.02020200,A
,4
,0.000000,1.000000,DOUBLE, CH4=,
1912 Ic
,081501020191.02020300,A
,4
,0.000000,1.000000,DOUBLE, CH5=,
1912 Ф
,081501020191.02060000, ,4 ,0.000000,1.000000,DOUBLE, CH6=,
1912 Ua
,081501020191.02010100,V
,4
,0.000000,1.000000,DOUBLE, CH7=,
1912 Ub
,081501020191.02010200,V
,4
,0.000000,1.000000,DOUBLE, CH8=,
1912 Uc
,081501020191.02010300,V
,4
,0.000000,1.000000,DOUBLE, |
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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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