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1. Gas Control System with PLC for PNU-RICH2. 27. April. 2010 C.W. Son*, J.G. YI, K.E. Choi , K.S. Oh, J.H. Song, J.S. Eum In-Kwon Yoo Department of Physics, Pusan National University Heavy Ion Physics Experiment LAB. 2. Contents. Motivation & I ntroduction of PNU-RICH2
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1 Gas Control System with PLC for PNU-RICH2 27. April. 2010 C.W. Son*, J.G. YI,K.E. Choi, K.S. Oh, J.H. Song, J.S. Eum In-Kwon Yoo Department of Physics, Pusan National University Heavy Ion Physics Experiment LAB
2 Contents • Motivation & Introduction of PNU-RICH2 • Control System Tool (PVSS) • Gas Control System with PLC and sensors for HIPEx • Test result • Conclusion
3 Motivation & Introduction of PNU-RICH2
4 Control System Tool (PVSSII) PVSS II : SCADA (Supervisory Control And Data Acquisition) tool adapted by CERN - Archiving, Alarm Generation & Handling, A Graphical Editor, A Scripting Language (CTRL), A Graphical Parameterization tool, Drivers
5 Gas Control System with PLC and sensors for HIPEx Counting House Gas flow rate control -> MFC Gas flow direction control -> Electric valve Gas monitoring -> Pressure -> Humidity and Temperature Online control and monitoring at counting house by ethernet Beam Line Ethernet
6 Gas Control System with PLC and sensors for HIPEx Specification DC15V Programmable Logic Controller • On/Off Valve • Normal Close(NC) • 0.3 ~ 10kgf/cm2 • Mass Flow Controller • 0 ~ 10SLPM Flow Range (N2) • Accuracy : ±1% FS • 0 ~ 5VDC In/Out Signal Circuit breaker Relay DC24V • Pressure Transmitter • 0 ~ 5Kgf/cm2 Range • Accuracy : ±0.3 FS • 4 ~ 20mA Out Signal Current Loop Supply I/O Terminal • Temperature & Humidity Sensor • -20 ~ 80℃ Range for Temperature • 0 ~ 100% Range for Humidity • Accuracy : ±0.3℃, ±1.8% • 4 ~ 20mA Out Signal
7 Gas Control System with PLC and sensors for HIPEx System Control & Monitroing Menu Temperature Humidity Alarm Monitoring
8 Gas Control System with PLC and sensors for HIPEx • Interlock System • Valve1 • Valve2 • Auto Control & Alarm System • Pipe pressure monitoring • -> Greater than 3atm, Valve1 can open • RICH pressure monitoring • -> Greater than 1.3atm, Valve3 close & Valve4 open (High pressure alarm) • Low Pressure • -> Less than 0.8atm, Valve3 open & Valve4 close (Low pressure alarm)
10 Conclusion • PLC and PVSSII is working • Gas System problem • - Gas is leaking • - When low pressure, gas is not flow in vessel