Transcript DCSandDSS - TWiki

DCS and DSS
Xavier Vilasis
26JUN08
Calo Piquet Training Session - Xvc
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DCS vs DSS
• DCS
– Detector Control System
– NON-RACK POWER SUPPLIES
• Low Voltage LV
– VFEs
– LED and HV boards
• Medium Voltage MV
– AGILENT
– Temperatures (PS)
• DSS
– Detector SAFETY SYSTEM
• ‘If I go off, I cut the power’
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Calo Piquet Training Session - Xvc
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DCS – How to get there
• From the top detector DEN
Double Click to go
down into the ECAL
DCS
• From the SPECIFIC PROJECT DEN
– CADCSLV
– CADCSMV
– PSDCSTEMP
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Power Supplies
Low
Voltage
Click right mouse
button and say
‘view’
AGILENTS
=
Middle Voltage
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MV - AGILENTS
Double
Click
Go to 3
Double
Click
GO to 2
1
2
3
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Switch ON and OFF
Click here to get
the commands
COMMANDS
•SWITCH_ON
•SWITCH_OFF
State moves from
READY
To
NOT_READY
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Where are the AGILENTS ?
Rack D3B04
System
Name
IP address
Position
HCAL four units PS (100V,
30V,100V, 30V for A and C
sides);
hcagil01.lbdaq.cern.ch
10.130.36.151
D3B04F45
ECAL four units PS (100V,
30V,100V, 30V for A and C
sides);
ecagil01.lbdaq.cern.ch
10.130.36.152
D3B04F43
PS/SPD one unit PS (150V for
side A);
psagil01.lbdaq.cern.ch
10.130.36.153
D3B04F41
PS/SPD one unit PS (150V for
side C);
psagil02.lbdaq.cern.ch
10.130.36.154
D3B04F39
PS/SPD two units PS (18V,
18V for side A and C);
psagil03.lbdaq.cern.ch
10.130.36.155
D3B04F37
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Important
NEVER NEVER
NEVER
HAVE THE AGILENTS ON
WHEN THE LOW VOLTAGE IS OFF
or in ERROR
NEVER
ESPECIALLY FOR
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ECAL
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LV - MARATONS
Double
Click
Go to 3
Double
Click
GO to 2
2
1
3
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LV-MARATONS
• RCMs are located with the other RCMs
– See Patrick’s Talk.
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PS VFE TEMPERATURE
Super
Module
information
Double
Click
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More VFE Temperature
Second
TAB
Safe
Temperature
limit
Hot, but
not
serious
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DSS
• SAFETY SYSTEM
– Runs in an independent system
• PLCs
• DON’T PANIC
• DSS essential behaviour
– Some sensor goes wrong
• Smoke, temperature, cooling
• Ours or others…
– Power is cut somewhere
• One side
• Somewhere else
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What to do if DSS goes off
•
•
•
•
Don’t panic
Say your favourite four letter word
A DSS piquet should appear
Find out where the current was cut off and why.
• If everything is ok for us
– Check the middle voltage for ECAL HV is OFF
– Restart things
• PVSS projects
• Power supplies (see Patrick’s talk)
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If sth was wrong…
• If DSS alarm was caused by some CALO problem
– And it is not a fake alarm
• A sensor went mad
Call EXPERTS
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