1. JBMCambridge Workshop 6th to 7th January 2003 1 DAQ-DCS Communication

2. JBMCambridge Workshop 6th to 7th January 2003 2 Supervisor Modules HVLVT Cooling Monitor Barrel & Surroundings CoolingCold Room FSI Temp Mechanics Chiller NESLab Robot & UPS Racks Humidity Pressure Power Crates DAQ (Main) PVSS DAQ (RCC ) TIM ROD DCS for Barrel Assembly Provider ROD PC Serial Port Non-ELMB CAN Serial CAN Link TCP/IP (Ethernet) VME F-O link To Modules DDC Commands Responses (Status, acks) Crate Controller Cooling System PLC Serial Link Monitoring Commands + Monitoring DCS-DAQ information

3. JBMCambridge Workshop 6th to 7th January 2003 3 DAQ States and Transitions Running Paused Configured Loaded Initial Absent(Off) Closed StartStop PauseResume ConfigUnconfig Load Unload Shutdown Boot SetupBoot Cold Start Lukewarm StartLukewarm Stop Cold Stop Warm StopWarm Start ShutdownClose

4. JBMCambridge Workshop 6th to 7th January 2003 4 DCS States and Transitions Monitoring Running Monitoring Configured Off 0 1 3 2 Configured Monitoring Running DCS Status Local Control Remote Control LV=On, HV=Standby LV=Standby, HV=Standby LV=On, HV=On

5. JBMCambridge Workshop 6th to 7th January 2003 5

6. JBMCambridge Workshop 6th to 7th January 2003 6 States and Voltages Local Remote DAQDCSLVHV Off/Initial Loaded Configured Running Off Configured Monitoring Remote Off On Off On Standby (ATLAS) On Off Paused Running Configured Loaded Off/Initial Remote Off Standby (or higher) Local DCS

7. JBMCambridge Workshop 6th to 7th January 2003 7 Command Summary DAQ->DCS. Change State DCS->DAQ. Confirm successful processing of request. DCS->DAQ. Alarm message. DAQ->DCS. Request IV curve. DAQ->DCS. Perform a hard reset. DAQ->DCS. Confirm successful processing of request. DAQ->DCS. Perform DCS parameter dump. DAQ->DCS. Set/check value of CLOCK SELECT control line. DAQ->DCS. Set/check VCSEL bias. DAQ->DCS. Set/check PIN bias. DAQ->DCS. Set/check ALL LV and HV values.

8. JBMCambridge Workshop 6th to 7th January 2003 8 Command Format … XXX Commands/Functions will be provided via the SCT API XXX Numerical or text data is passed between DAQ and DCS

9. JBMCambridge Workshop 6th to 7th January 2003 9 Addressing Components Addressable items are: Barrel Row Module ROD MUR Module Serial Number ALL Disk Ring Quadrant

10. JBMCambridge Workshop 6th to 7th January 2003 10 DDC : Existing Facility DDC-CT DAQ->DCS Command DAQ<-DCS Response DDC-MT DCS->DAQ Message DDC-DT DAQ DCS Data

11. JBMCambridge Workshop 6th to 7th January 2003 11 Specific Member Functions void setDcsToRunning()int confirmDcsToRunning() void setDcsToMonitoring()int confirmDcsToMonitoring() void requestIvCurve ( string curveDetails ) void requestHardReset()int confirmHardReset() void setItemXxxxxx( string settingDetails )

12. JBMCambridge Workshop 6th to 7th January 2003 12 End

13. JBMCambridge Workshop 6th to 7th January 2003 13 Domain Controller Oxford ATLAS Assembly Computer Network Back to DCS for Barrel Assembly