Supervisory Control And Data Acquisition (SCADA)

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Supervisory Control And Data Acquisition (SCADA) What is a SCADA systemDraft of our SCADA architecturePVSS vs. National instruments

SCADA system Supervisory Control and Data Acquisition (SCADA)Control and monitor a complete systemUses computers, networked data communications and Human Machine Interface (HMI)Uses other devices such as programmable logic controller (PLC) and discrete PID controllers PLC Modular devices with inputs and outputs (I/O) and which are often networked to SCADA host computer HMI Human-Machine Interface Display of the complete SCADA system2

Previous systems Looked at previous systems Implement some ideas into our SCADA architecture Warwick - Controls Vacuum (Unnecessary ) Add interlock systems to X-ray generatorWarwick ITk 2017ITk Italy 2017

Cooling system Sensors PCL PLC calculates average temperature and send input to chiller PID system in chiller - Set the correct temperature Want to control Nitrogen and Peltier elements Interlock system on SCADA based on the sensorsCooling/Humidity systemPressure sensorsPLCSensorsHumidity sensorsTemperature sensorsSCADA Systemwith HMIChillerNitrogenPSUPeltierNitrogen

X-ray system Control the X-y gantry via. Stepper controller Turn on and off the X-ray generator Door and light interlock system which enables current tothe X-ray generatorSCADA Systemwith HMIX-ray systemSteppercontrollerX-ray generatorDoor/lightX-y gantryHardware interlock

DAQ and HV LV system Modules are connected to FPGA cards (Stack) Use YARR in DAQ Also read out NTC temperature of board YARR software - SCADA software PSU for HV and LV to modules, also to Peltier elementsHV AND LV systemDAQ and HV/LVFPGASCADA Systemwith HMI& YARRModulesPeltier6PSUModules

SCADA Architecture draft (Communication Network)Cooling/Humidity systemDatabaseRemote PCDAQ and HV/LVLocal storageFPGAPressure sensorsPLCHumidity sensorsTemperature sensorsSCADA Softwarewith HMI& YARRModulesChillerPSUNitrogenPeltierX-ray systemSteppercontrollerSet manuallyX-ray generatorX-y gantryVacuumDoor/light7Hardware interlockConclusion Easy to program, good monitoring, scalability, only one SCADAhardware (PLC)

PVSS II SCADA system from Siemens (WinCC Open Architecture) Already in use at CERN & Oslo Use C Advantage: Platform Independence Good scalability and flexibility PVSS allows users to design their own user interfaces, in a “dragand drop” fashion Support from our collaborators “Have to learn it anyway”Disadvantages: Buy and set up PLC and HV LV independently Steep learning curve8PVSS can be used on various levels in theautomation pyramid. As aHMI (human machine interface) down atthe bottom of the pyramid for PLCs,field buses and sensors.

National Instruments American multinational company with international operationIt is a producer of automated test equipment and virtualinstrumentation softwareCommon applications include data acquisition, instrument controland machine vision. Software LabVIEW, ANSI C, Visual C# Advantage: Buy all necessary equipment (Crate with HV, LV, PLC, buy modules) Get software Easy to implement Lot of tutorials online and help fromDisadvantages: More expensive “On our own”9

2 SCADA system Supervisory Control and Data Acquisition (SCADA) Control and monitor a complete system Uses computers, networked data communications and Human Machine Interface (HMI) Uses other devices such as programmable logic controller (PLC) and discrete PID controllers

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