TDA - Typical high-speed Data Acquisition scheme

Process Data Acquisition – PLC -- Detailed analysis of quality manage&industrial big data sources	高速数采方案 High speed data acquisition scheme		系统 System	Contact us
1 Background and significance		12 HDC - Hot rolled high-frequency high-density Digital steel Coil
2 PDA - data acquisition and analysis system		13 CDC - Cold rolled Digital steel Coil
3 LTA - Long historical Trend Analysis system		14 DSP - Digital Steel Plate
4 HDS - open time series high frequency Historical database		15 DTP - Digital Steel Pipe
5 DBU - Database system and Upgrade tools		16 CDS - Continuous casting Digital Slab
6 DCC - Digital Coil Conversion and full process quality management		17 TDA - Typical high-speed Data Acquisition scheme
7 CFS - Coil Fast Search and statistics system		18 QMS - Quality Manage and analysis System
8 DSO - Device diagnostic Synchronous Oversampling system		19 Common debugging tools and development board
9 RSA - Roll Spalling Alarm and Quick Stop System		20 Project performance and typical project application
10 RCM - Roller Current Monitoring system		21 Research Form for PDA System Configuration in the Steel Industry
11 HDP - High frequency density and speed Data Platform construction

17 TDA - Typical Data Acquisition scheme

17.1 Comprehensive plan for data acquisition of company level main and auxiliary transmission systems

In order to isolate from the automated L1 system, signals with a sampling period of less than 10ms are collected through a dedicated PN network established by CBE20. For signals with no special requirements for sampling period, data is read from S120 through standard Ethernet using Siemens internal communication protocol.

The PDA system saves the collected signals as. dat files and can also be saved to relational and temporal databases such as InfluxDB, making it convenient for various automatic reports and big data analysis such as Power BI, Fansoft, Grafana, etc.

Multiple PDA servers need to be set up according to the geographical location and number of transmission systems in each factory.

Figure 17.1 Comprehensive scheme for data acquisition of main and auxiliary transmission systems

17.2 S7-1500 and slave drop data collection scheme

The S7-1500 series PLC can achieve ms level data acquisition through standard ethernet UDP and Profinet(PDAServer as multiple PN slaves), the PN switch may directly forward all slave data to the PDAServer, the system scheme is shown in the following figure.

Figure 17.2　S7-1500 data collection scheme

Apparatus test&Fault diagnosis&Quality analysis

Millisecond data sampling

Real-time data compression

Capture signal instantaneous mutation

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