1. CSC - HV, LV - Present Status and Future Plans Toward Phase 2
9/13/2018
Petr Levchenko CERN

2. CSC & Peripheral Crate LV, Scheme for One Wiener Maraton Channel
USC55
UXC55
Junction Box
UPS
CSC
230V AC
PFC
380V DC
DIGITAL
ANALOG
Patch Panel
380V DC
Splitter Box
380V DC
Maraton
6.5V DC
4.5V DC
Peripheral Crate

3. To YE-1/2/3 or YE+1/2/3 (CANbus + Power)
UXC CAN Bus Organisation
USC55/S4F10
UXC55
Peripheral Crate
PCMB
OLD
ELMB
To YE-1/2/3 or YE+1/2/3 (CANbus + Power)
CRB
DELLPC/Kvaser
PCI
CANbus
Patch Panel
CANbus Power
CANbus Power
PCMB Distribution Box
ATLAS Power Suppply
CANbus
NEW
AnaGate
Qutro
CSC
LV Maraton
Power
Supplys
+/-YE1,2,3
OLD
CANbus
CANbus
Maraton CAN Cabling Network
DELLPC/Kvaser
PCI
CANbus
EMU LV A.Golyash, TAMU, P.Levchenko, CERN

4. Phase 2 Plan_Maximum
CSC – Electronics replacement + Fibre Cables (ME2,3,4,/1)
Maraton + Bin->12/12pc, 0PFC + Card Cage->12/2pc – increase quantity
JB – replace ALL->24JB/36pc cells
PC – Power, fibre cables revision, replace OVME modules
Correct CRB LED polarity and introduce green/red colour cod
PCMB – no action except repair
Cables to add/replace: Maraton->JB, 0PFC_S4->UXC
0PFC monitoring + S4_Cabling
9/13/2018
Petr Levchenko CERN

5. Phase 2 Plan_Minimum
CSC – Electronics replacement + Fibre Cables (ME2/1)
Maraton + Bin->4/4pc, 0PFC + Card Cage->4/1pc – increase quantity
JB – replace on +/-YE2->8JB/24pc cells (mitigation old JB replacement still possible)
PC –Power, fibre cables revision, replace OVME modules
Correct CRB LED polarity and introduce green/red colour cod
PCMB – no action except repair
Cables to add/replace: Maraton->JB, 0PFC_S4->UXC
0PFC monitoring + S4_Cabling
9/13/2018
Petr Levchenko CERN

6. JB Cell Layout
M4_In M8
M4_Out
9/13/2018
Petr Levchenko CERN

7. AC DC LV Power Generation over EMU_CSC
P[W]
YE+1,2,3_Sum = YE-1,2,3_Sum =
P_CSC_TOTAL = W
K_DC/AC= 0.766
K_DC/AC= 0.766
9/13/2018
Petr Levchenko CERN

8. LV Power Generation over YE Disks versus Maraton #ID
P_Mean = 2106W
K_Mean(P/P_max) = 0.59
P_Mean = 2111W
K_Mean = 0.59
P[W]
P[W]
+ YE1 -
P_Mean = 2266W
K_Mean = 0.63
P_Mean = 2259W
K_Mean = 0.63
P[W]
P[W]
+ YE2 -
P_Mean = 2212W
K_Mean = 0.62
P_Mean = 2217W
K_Mean = 0.62
P[W]
P[W]
+ YE3 -
9/13/2018
Petr Levchenko CERN

9. Failure Probability P_Total = N_FailTot/N(65)/LVTotal(188) = 0.346
P_0PFC = N_Fail0PFC(46)/N_Tot0PFC(56) = 0.821
P_Maraton = N_FailMar(13)/N_TotMar(56) = 0.232
P_MaratonBin = N_FailMarB(4)/N_TotMarB(54) = 0.074
P_CardCage0PFC = N_FailCC0(0)/N_TotCC0(14) = 0.0
P_ATLAS_PSU = N_FailAT(2)/N_TotCC0(8) = 0.25
9/13/2018
Petr Levchenko CERN

10. Failure types
0PFC
AC_Short, 0PFC_Burn, DC_LowDC_Low,VDC_Zero, Dumping_Diode, Thermo_Switch, Calibration, Modification, Cleaning
Maraton, Bin, Card Cage
CAN_Bus, Power_Module_UX,X,X, Power_Switch, Auxilery_Power, Output_Fault, Cleaning, Sense_Board, Modification, CAN_MonitoringBoard
ATLAS PSU
PSU_Module _Burn
9/13/2018
Petr Levchenko CERN

11. Failure rate by Years
0PFC ISR
upgrade
9/13/2018
Petr Levchenko CERN

12. 0PFC Monitoring Table (from cmsonline ECAL)
First look

13. Conclusion
CSC LV system shows rather reliable operation in previous physics run
Failure rate was rather high for some system components but joint efforts CSC and Wiener highly improved this statistics
Big impact in Peripheral Crate reliability (TMB 3.3V) was achieved by replacement (near 6000) tin plated PC backplane contacts by gold plated one.
9/13/2018
Petr Levchenko CERN

14. Backup Slides
9/13/2018
Petr Levchenko CERN

15. OPFC backplane in S4F04 rackM4 M3
9/13/2018
Petr Levchenko CERN

16. List of known LV problems: Maraton/0PFC Cables JB PC/CRB/PCMB CAN BUS
CSC/LVDB
9/13/2018
Petr Levchenko CERN

17. JB and OPFC Maintains Work
ME+/_1/1,2,3 Junction Boxes
JB - 8 pc.
Cells (serves 9 CSC) – 24 pc
In one cell – 26 screws M8
Sum = 24 x 24 = 576 screws => ONLY One not tight
In one cell – screws M4 connected to Digital and Analog copper bar
In one cell – screws M4 connected to Digital and Analog lines of CSC
Sum = 36 x 24 = = 1440 pc
S4F04 0PFC rack
Crate -  9 pc. In one crate - 84 M4 screw. Sum = 84 x 9 = 756 screw. In one crate - 16 M3 yellow bar screws. Sum yellow = 16 x 9 =144 screw.
Total = 900 screws
9/13/2018
Petr Levchenko CERN

18. Screws tighten statistics
Quantity
JB Statistics
0PFC Statistics
80% of screws
where tighten by
full turns
Of screwdriver
Relative
Number
JB Statistics
0.4
0.2
1.5
2.0
N_Turn of screwdriver
(out of scale)
9/13/2018
Petr Levchenko CERN

19. DCS Functional Schema Turbine ATLAS PSU emugif3 0PFC Maraton Emugif4
IN Red - TBD
Turbine
ME1/1
T_Sensors 1,,4
Temperature Patch Panel
CAN
Distribution Box P3
ATLAS
PSU
ME2/1 P4
Spare
T_Sensors 5,,8 P2
+Frame
Control P1
Port 1
P2 P3 P4 P2
CRB_PCMB PC
CAN Q_CARD
RS232
Adapter
emugif3
0PFC
USB
Monitoring
Emugif4
(Spare) LV
Maraton
9/13/2018
Petr Levchenko CERN

20. View of damaged PCB bin of Mar. ID#21 and LTT
9/13/2018
Petr Levchenko CERN

21. P5 CSC DCS Functional Schema
Turbine P3
ME1/1
T_Sensors 1,,4
Temp_Press Patch Panel
CAN
Distribution Box P3
ATLAS
PSU
ME2/1 P4
Frame
Control
T_Sensors 5,,8 P2 P1
Port 1
P2 P3 P4 P2
CRB_PCMB
PCs
CAN Q_CARD
EMU-ME11--DCS1,2
LVTest Stands
Maraton,
LVDB,CRB, PCMB, T;P_Sensors
0PFCs
USB
Monitoring
EMUSX5-LVTEST-DCS1,2 LV
Maratons
9/13/2018
Petr Levchenko CERN

22. IR pictures of sense board jumpers
Mar_ID#38
To JB_CSC
TS-1/8, 9
Mar_ID#39
To PC VME-1/8,9
X2S33
Rack
Mar_ID#37
To PC VME-1/6.7
->OFF
9/13/2018
Petr Levchenko CERN

23. Jumpers of Maraton_ID32 T=54.4 degC on Ch_U5 T=151.4 degC on Ch_U4
9/13/2018
Petr Levchenko CERN