User Manual for STAR Slow Controls
Contents
1. fask CML reeline safes rae Grap Marn Coates CIALIS MINOR NOEL ARS Chere Alar Tata Current Status Severity Highest Lach Stata eve tty Letters reenaitcontsn 4 StlencaForever 4 Stlenseturrent Beep Severity INIR Figure 2 main window The STAR experiment contains a number of subsystems e g TPC FTPC EMC BEMC etc each of which contains detectors that have several configurable parameters The alarm configuration area contains hierarchical displays of each alarm group and the relevant detectors parameters The buttons with the rightward pointing arrow on the hierarchical display allow the user to expand or contract each alarm group s tree _ STAR c Pj lt D TL gt 0 3 0 3899 _ DISABLE ALARMS 6 P lt gt VME p CIT _ ENVIRONMENT p lt D T gt _ MAGNET P lt T gt _ INTERLOCK 6j P lt 41 gt Sf A 720 BEMCI m lt _ Ruic cj H on this button for expand ef fewo Figure 3 Buttons used to expand or contract the hierarchical tree Each detector has several alarms that can go off These are grouped under each detector in the Main Window The group of alarms applying to a particular detector can be selected by clicking on the button containing the name of the detector in the left part of the alarm configuration display area The right part of the alarm configuration area displays the list of contents of the currently selected alarm group Figure 4 shows t2. 2 Ifthe hierarchical tree for the subsystem s alarm group is contracted expand it and find the alarmed detector 3 Open the control screen by clicking on the button with the letter P 4 Alarm handling methods differ from one detector to another Separate user manuals for each and every detector are available in the control room as well as on the star web page Refer to these manuals to solve the problem Star detector states Each detector goes through different settings or states during different periods of operation For example the FTPC when ramping up to full voltage will go through several states as the voltage builds each one appropriate to handling that level of voltage and moving it up or down to the next level Detector states can be set using the control screen Guide lines for the various STAR detector states are available in the control room The following section describe some important detector procedures Time Projection Chamber TPC Slow controls The following figure Figure 7 shows the TPC main controller window 67 TPC TOP_LEVELad TPC Controls Top Level RICH scaler 3 533 Figure 7 TPC main control window By clicking on the blue buttons you can open control windows for each TPC subsection During a shift the following detectors are important for the TPC s operation 1 Front End Electronics FEE Gate Grid GG Cathode Anode Laser ppp The laser system is a stand alone system an
3. RHIC GI P lt T gt TPC p Pf DTL ENVIRONMENT p lt D T gt MAGNET P lt T gt INTERLOCK 6 P lt T gt BEMC p lt gt 0 0 0 738 B EEMC Pj lt DT gt 0 1 0 723 vif TRIGGER ep I T gt 0 2 0 374 vj TOF p CIT 0 0 0 16 Figure 5 Red alarm in EEMC and TRIGGER White alarm in BEMC TIGGER and TOF T T T js Eh oe DN Fy Opening the guide for a subsystem To do this click on the button with the letter G next to the subsystem in question s alarm group In Figure 6 this button is marked with a red circle Opening the control screen for a subsystem To do this click on the button with the letter P next to the subsystem in question s alarm group In Figure 6 this button is marked with a blue circle H VME p lt I TL gt L Rricef P gt L TPC p P emo L ENVIRONMENT lt D T gt L MAGNET P lt INTERLOCK G L BEMC p lt gt 0 0 0 738 L EEMC p P HT 0 1 0 723 a TRIGGER p CI T gt 0 2 0 374 wari fat taande Figure 6 Click the red circled button for subsystem guide Click on the blue circled button for the subsystem control screen How to handle an alarm As explained earlier a new button will be activated when a new alarm sounds Follow the following steps to acknowledge and solve the problem 1 Acknowledge the alarm by clicking on the now lit white red or yellow button The beeping will stop
4. D HV CONTROLS reudback demand voltage V readhack demand voltage V readhack Fo 1906 37 tend pce a 2 1929 12 NE sat fT pram cers i fe 1817 12 el a sr 1819 00 MEN S 174012 Me 739 62 tl from d voltage V 1519 1 E Ferry 11407 50 En Sie 1709 50 ME Bk 1596 12 1714 62 a 167950 eee fro 1767 37 us 1786 00 I en foo 3 1774 50 Mi iss ME ESE s7s 75 MN 157725 NE s LAA aon ma sos A e upVPD HV CONTROLS oni on an NOTE The upVPD is B er nn LeCroy The BBC LeCroy must be on w turn on the upVPD Figure 19 upVPD high voltage control window Normally before Beam Dump or during Injection Beam Studies and Rotator Ramp modes you should keep the upVPD high voltage off It is turned on and off by clicking on the ON and OFF buttons in the lower left corner This can be accessed by entering upVDP into the terminal and pressing lt enter gt Electro Magnetic Calorimeter EMC The control window for the EMC is shown below in Figure 20 Figure 20 the EMC control window ON OFF POWER CNCALL EXPERTS This window is accessed from the terminal by typing in eemc_main and pressing lt enter gt BEMC smd west and east The control windows for BEMCsmd BEMC West and BEMC East can be accessed from the terminal by inputting bemc_lecroy for BEMC
5. User Manual for STAR Slow Controls 10 21 2010 Revision 2 0 James Falconer Ross Introduction Most of the detectors used in the STAR experiment are located in high radiation areas so it is impossible to access any of the electronics during RHIC operation Therefore the Slow Controls system is implemented for remote access to the Front End Electronics FEE The Slow Controls system is designed using EPICS running on Sun Workstation connected to VME processors running the VxWorks operating system In the STAR control room SC STARP BNL GOV is a Linux Workstation Usually the Slow Controls Graphical User Interface GUI is open on this computer If it is not open do the following 1 Open a terminal on sc starp bnl gov and get sysuser sc sysuser Both alarm handlers general alarm handler and magnet alarm handler should be running at all times during normal operation How to start general alarm handler 1 open x terminal 2 type cd home sysuser UTILS lt enter gt 3 type softbeep alarm lt enter gt 4 type startalh lt enter gt How to start the magnet alarm handler 5 open x terminal 6 type cd home sysuser UTILS lt enter gt 7 type softbeep magnetalh lt enter gt 8 type magnetalh lt enter gt Alarm Handler Window Alarms indicate unexpected changes in the parameters of a detector for example FTPC pressure TPC tripping etc The Alarm handler is a graphical application used to id
6. d is not connected to the slow control system Front End Electronics FEE During a run cycle the FEE is powered at all times Click on the FEE VOLTAGE button in the TPC main control window to open the FEE control window shown in Figure 8 TA a HARRERA KAPARA BARDES ln en a a maten an za aa tens eneen aaa aa meses as Gags cases eo aal ind aa a a ilaia ai aida an oa waa en an mn za en El men esn en dean en snee senen sane eeen enen eneen EEE eee Figure 8 TPC FEE Controller window The FEE routs power to individual RDOs to handle tasks To turn on or off all parts of the FEE and corresponding RDOs at once click the on off button under the global section on the right bar Switched on supplies are green as shown in Figure 8 switched off are the background color of the control window There are individual on and off buttons for the east and west ends for each rack and for each individual power supply as well TPC Cathode high voltage During Beam Injection Beam Studies and Rotator Ramp modes of TPC operation the anode refer to Figure 7 voltage should be turned off while during the physics mode when the beam is safe to use for detection the voltage should be on Once everything is ready with the RHIC beam the operator ramps the TPC voltage up to its desired level Before the beam can shut down the voltage must be ramped down to zero This is done using the cathode h
7. entify problems It consists of two windows a runtime window and a main window Runtime Window The run time window is a small window containing the name of the alarm configuration see Figure 1 The color of this window indicates the highest alarm severity of any outstanding alarms within each alarm group explained in a moment The color coding is as follows in order of severity White Data Invalid Alarm Red Major Alarm Yellow Minor Alarm Background color No Alarm bd Alarm Handler Figure 1 runtime window Beeping and blinking of this window indicates an unacknowledged alarm The main window is opened by clicking on the button labeled STAR Main Window The Main Window Figure 2 is divided in to three sections the menu bar top the alarm configuration display area middle and the message area bottom LLL TE Eile feticn Yew im STAR eaf P oo 307A DISABLE ALARMS c P lt gt Mel pe GH mmc s pj gt TPC mE ENVIRONMENT p ET MAGNET Per INTERLOCK pc e e gt Benel p e oor EMC pe Pj OD te TRIGGER p AT 0 5 0 378 TOF p GET 0 0 0 18 fe ae ft en Ms Fe i fs Neale Vs fe Hea pisani EALAN c FI VME p T gt ancl el gt eee pl eam ENVIRONMENT pe CETS MAGNET p P t INTERLOCK p c P gt BEMC ps 0 0 0 738 EEN ppl bte L070 TRIGGER p ch 00 TOEI pT 0 0 0 48 reep 2 Een oa PMD e c alt Disk et En Phone Nambers d
8. g lt enter gt TOF Main Figure 24 TOF high voltage control window See the respective user manuals for information on the operation of all the above components Thank you Wembley and good night
9. he TPC alarm group selected Eile Aetion Whey Setup tein STAR BP CED 030 589 NAE DISABLE ALARMS of p lt gt D 1 ewo case cumner c enn JI WME e cen GATNGGRID of p 47 gt I Rmej cj E T TPCis selected T Awove nist vortace p c eiers Me os or contents of J ie Faw CATHODE c pj 47 gt Tec l gas p cele FRONT END POWER p c F T J OXYGEN 1 L Mupcpowen 0 p ATD mera L TPC Temps pn L FLOWMETER C27 L Ernane cj cot FLOWHINDICATOR lt 1 gt J ajer L PRESSURE TRANSMITTER 47 gt L PRESSURE motcaToR lt T gt _ TEMPERATURE lt 1 gt WATER 19 J I ere el Figure 4 Contents of TPC alarm group Acknowledging and silencing an alarm A new button will be activated when a new alarm sounds see Figure 5 and will remain active until the alarm is acknowledged You can acknowledge the alarm by clicking on the now active button that applies to that alarm These buttons have a color and a letter which represent the highest severity of unacknowledged alarm within the group and read as follows in order of severity White labeled with V Red labeled with R Yellow labeled with Y Background color indicates no alarm present indicates an invalid data alarm indicates a major alarm indicates a minor alarm STAR c Pl lt D TL gt 0 3 0 3599 DISABLE ALARMS 6 P lt gt VME p lt D TL gt
10. igh voltage control window shown in Figure 9 This window can be opened by clicking on the CATHODE button in the TPC main control window refer to Figure 7 i J Figure 9 Cathode high voltage control window There are two methods for ramping up the cathode s voltage auto ramp mode and manual ramp mode Normally the detector operator need only use the auto ramp mode For more information on manual ramping refer to the TPC manual in the control room Auto ramp mode Follow these steps to automatically ramp up the system voltage 1 Make sure High Voltage Setpoint slider switch bottom left in Figure 9 is set to 0 2 If high voltage is off see the HIGH VOLTAGE indicator switch it on by clicking on the HV button on the indicator 3 Make sure that the RHIC beam is stored cogged and stable ready for detection before continuing 4 Click on the AUTO ON button The window shown in Figure 10 will appear 5 Click on the ON button in this new window ME CATHODE CONTROL Figure 10 Cathode auto on window The ramping up process will take about 10 minutes The detector operator can stop the ramp up process by clicking on the STOP button and can ramp the voltage back down to 0 by clicking on the OFF button in this window Warning The cathode HV should not be turned ON until the RHIC beams are stable at collision energy and it should be ramped to ZERO before the beam is d
11. nnels will trip off automatically due to overly high current a surge protector In the case that a trip off TPC alarm sounds and the tripped channels refer to figure 11 turn from green to red first silence the alarm and follow these steps to solve the problem 1 Click on the tripped channel in the anode high voltage control window This brings up the channel status panel shown in Figure 13 igure status panel 2 Click on the SET button to open the control panel shown in Figure 14 W tpchv setch ad lol Figure 14 Control panel 3 In the DV panel type 0 and hit the return key Do this for all tripped channels 4 In the anode high voltage control window click on the Clear Trips button if the tripped channel is in the outer section click on CLEAR OUTER button if it is in the inner one click on CLEAR INNER button refer to Figure 11 5 Wait until tripped channels turn green 6 Ifthe tripped channels do not turn green go back to the channel status panel and click on the ENABLED button 7 Slowly raise the voltage by changing the demand voltage value in the control panel Figure 14 DV panel See the TPC control room manual or ask the shift leader for the ramp up rate Gate Grid GG The Gating Grid control window can be opened by clicking on the Gating Grid button on the TPC main control window The control window is shown in Figure 15 During a normal
12. run the Gating Grid should always be on Figure 15 Gating grid control window Forward Time Projection Chamber FTPC The FTPC main control window is shown in Figure 16 This window is not accessed from the TPC main control window Figure 7 as it is a separate system entirely Rather it can be opened from the terminal by entering ftpc into the command line and pressing lt enter gt To configure the FTPC s state click on the CONFIGURE button BEN BREN or ror Figure 16 FTPC Main controller window The interlock status cooling system and other systems of the FTPC can be accessed from the FTPC main control window ZDC and BBC As a detector operator during normal smooth running you don t want to change the sate of these triggers The main control windows for each are as follows ZDC adl ZDC HV CONTROLS readback demand voltage V ZDC West 3 1750 aa ZDC West 2 y 4 ZDC West 1 ZDC East 3 ZDC East 2 ZDC East 1 ZDC HV ON WEST SMD EAST SMD ZDC WEST COUNTS ZDC EAST COUNTS ZDC COINCIDENCES BBC LeCroy1445A Controller Mainframe Module Add Figure 18 BBC main control window These window can be accessed from the terminal as well by typing zdc and bbchv for the ZDC and BBC control windows respectively and pressing lt enter gt upVPD HV controls The upVPD high voltage control window is shown in Figure 19 below upVP
13. smd bemc_west for BEMC West and bemc_east for BEMC East The control windows for each are shown below ae J HVENABIE HVON OFF show var e ei E Ge Gale EEE EEE EEE EENES Figure 21 BEMCsmd control window ae Uninhible switch On Status SenseV Term V Current Temp uo Enapied on 5 52 7e 10 3 22 v1 Enabled on 5 51 72 92 26 u2 Enabled on 5 60 Ta on 27 us Enabled en 5 31 69 10 8 23 ua Enabled on 5 20 5 4 0 7 2s us Enabled on 5 20 sa oe 20 us Enabled on sar 54 a7 as u7 Enabled on 5 21 5 4 07 21 us Enabled on 1220 153 0 25 22 us Enabled on 1219 13 0 5 2s uio znabiea on 1232 18 0 as 23 u1 enabled on 1232 12 9 27 26 L Figure 22 BEMC West control window a on Uninhibit Switch On Status SenseV_Term V_ Current Temp uo Enabled on 5 52 67 87 2s ui Enabled on 5 51 6s s s 22 u2 Enabled on 5 56 67 10 1 24 ua Enabled on 5 55 64 9 5 22 ua Enabled on 5 21 54 as 21 us Enabled on 5 21 5 4 o7 20 us Enabled on 5 21 5 4 as 20 u7 Enabled on 5 22 5 3 os 24 us enabled on 1219 128 22 24 u9 Enabled on 1218 128 2 2 22 uio Enabled on 1217 dar 2 6 25 Uit Enabled on 1218 126 24 23 L Figure 23 BEMC East control window Time of Flight TOF LV and HV You can open the TOF low voltage and high voltage control windows by typing TOFLV and TOFHV respectively into the terminal and pressin
14. umped TPC anode high voltage The TPC anode high voltage control window is opened by clicking on the Anode Voltage button refer to Figure 7 Figure 11 shows the TPC anode high voltage control window Figure 11 TPC Anode high voltage control window The TPC anode has two voltage levels Full voltage and Pedestal The auto ramp method is available here as well to ramp up to either of these levels Follow these steps to ramp up the TPC anode 1 Make sure both ARCNET BUSS statuses are green top center of Figure 11 If either or both are red click on the corresponding REBOOT button and wait until they turn green This will take about 5 minuets 2 Click on the AUTO ON button The window shown in Figure 12 will appear 3 If this window displays the message ARCNET connection lost click on the Reset PGM button 4 Make sure RHIC beam is stored cogged and stable ready for detection 5 Click on the desired voltage level either full voltage or pedestal voltage in the anode control auto on window 6 The ramping process can be stopped and be ramped down to zero by clicking the OFF button To turn the high voltage off click on the OFF button in the auto on window shown in Figure 12 Figure 12 Auto on window for Anode Control The manual ramping method is also available refer to the TPC manual for more information Anode trip resetting Occasionally one or more cha
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