HPS Slow Controls: Performance and Future. N. Baltzell HPS Collaboration Meeting November 16, 2016

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1 HPS Slow Controls: Performance and Future N. Baltzell HPS Collaboration Meeting November 16,

2 HPS Controls Framework EPICS R Mostly softiocs (RHEL7) A few VME crates (vxworks) beamline motors/scalers Control Screens Motif-based medm A few good summary screens Lots of detailed screens Alarms Motif-based ALH Audible/Visual Alarms + s Strip Charts StripTool (old & loved) MyaViewer (archive access) Time Histories archived with JLab s Mya 2

3 Overview The main overview screen 3

4 Overview Beamline Strip Charts 4

5 Overview Alarms 5

6 Overview ECAL FADC Scalers 6

7 Overview Trigger Rates & Live8me 7

8 Upgrades for 2016 Run ECAL/SVT Summary Screens Chicane Controls Simplified Neutron Counters in EPICS ECAL LV & FADCs in EPICS Automatic BTA (ABU/BANU) SVT FSD-Only Bias Interlock Harp Scan Quirks Fixed Added Hall-B collimator controls Left-click Bug in StripTool fixed Watchdog Squares DAQ Reboot Buttons Lessons Learned JLab Security scans can freeze vxworks 2H02 Harp got stuck need yearly maintainence 8

9 Example Upgrades for the 2016 Run Detector Summary Screens (MaS Solt) 9

10 Example Upgrades for the 2016 Run Chicane Controls New sequencer to ramp up to max, hold to saturate for N minutes, then ramp down to setpoint Status lights & messages & progress meter for shift operator Setpoint can be calculated based on beam energy via a button click, based on the Bdl calculations Setpoint is saved for next time chicane is turned on Automatic BTA Uses 2C21A na BPM current and Halo FSD counts to determine beam availability, and DAQ livetime and trigger rate to determine HPS usage à BNA or BANU or ABU No shifter s manually fiddling with and entering current setpoints Worked except when magnet trips, then fallback to old method (only happened once in 2016 run) 10

11 Security Scans during the 2016 Run JLab security scans had been disabled on the slow controls subnet for year(s) and our vxworks hardiocs had run stably since the HPS 2014 run One weekedend during the HPS 2016 run they started misbehaving Investigations were complicated by a simultaneously failing network switch Switch was replaced, and remote reset implemented on hardiocs (as a fallback) during a weekend controlled access The next workweek the security scans were discovered and terminated. While investigating what turned out to be caused by security scans and failing network switch Removed the cause of the long pause at beginning of harp scans And added scan abort button in case beam trips early in the scan 11

12 Performance Summary Many upgrades between 2015 and 2016 runs A couple issues resolved during the 2016 run Result is a well performing, reliable system with easy usability by shift workers Many people contributed to the improvements 12

13 Future CLAS12 is coming online HPS IOCs run in parallel currently separate software builds although based on same OS and all dependency versions CLAS12 is using a new frontend user interface CS-Studio allows faster development for big systems, dynamically generated screens integrated alarm handler frontend, plotting tools server/database alarm/notifier/messenger/log system medm requires tons of copy/paste, manually fidgeting with widgets, writing scripts to generate static screens Motif (medm/alh) support is dying» actually OSX just had a recent Xquartz release that accidentally broke Motif completely By the HPS 2018 run ECAL improvements LV GPIB-ETH converter will need blocked network port (new heavy traffic) HV/LV Interlock based on Chiller/Temps SVT Bias à Assert DAQ Busy (maybe) have a merged CLAS12/HPS software build for IOCs ( easy ) ideally convert HPS screens and alarms over to CS-Studio 13