Download Automated Irrigation System Using SCADA
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3.4.5 Data acquisition software ………………………………………………….18 3.4.6 Host computer ……………………………………………………………..19 3.5 Analog and Digital Signals ……………………………………………………..20 3.5.1 Digital Signals ………………………………………………………………20 3.5 .2 Analog signals …………………………………………………………........20 Chapter4 SCADA Irrigation System (Hardware Description) 23 4.1 Introduction ……………………………………………………………………..24 4.2 Moisture Scale …………………………………………………………………...24 4.2.1 Components of measurement ………………………………………….........25 4.2.2 The idea of Moisture Scale …………………………………………………26 4.3 Water Pump ………………………………………………………………….......28 4.4 Valves …………………………………………………………………………..28 4.5 Water Level Sensor ……………………………………………………………..29 4.6 NI 6024E Data Acquisition Card (6024E DAQ) ……….…………………...…..30 Chapter5 SCADA Irrigation System (Software Description ) 34 5.1 Introduction …………………………………………………………………......35 5.2 SCADA Software Components ………………………………………………....36 5.3 LabView Package …………………………………………………………… ….36 5.4 Algorithm of SCADA Irrigation System ……………………………………….36 5.5 SCADA Irrigation System …………………………………………………. …37 5.6 Administrator Account ………………………………………………………….38 5.6 Operator account ………………………………………………………………..42 5.7 SQL Database 5.7.1 Definition ………………………………….………………………………..44 5.7.2 SQL Commands ………..………………………..………………………….. 45 5.8 Benefits of using SQL database ………………………..………………………46 viii