ecal prototype dcs system using pvss
DESCRIPTION
ECAL Prototype DCS system using PVSS. Günther Dissertori (for Alison Lister) ETHZ. 8.7.2003. Contents:. Proposed layout of the DCS SM0 and SM1 layouts Status of implemented sub-systems Conclusions. 8.7.2003. Proposed layout. Proposed layout. Separate into 4 sections of sub-detector: - PowerPoint PPT PresentationTRANSCRIPT
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ECALPrototype DCS system
using PVSSGünther Dissertori
(for Alison Lister)
ETHZ
8.7.2003
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Contents:
• Proposed layout of the DCS• SM0 and SM1 layouts• Status of implemented sub-
systems• Conclusions
8.7.2003
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Proposed layout
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Proposed layout
• Separate into 4 sections of sub-detector: EBL,EBR, EEA,EEB• Each section has same structure• 7 sub-systems: HV, LV, Cooling, Precision Temp,
Humidity, Laser Monitoring, TSS• Communication to DSS, DAQ and CMS
central DCS
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SM0 and SM1 layouts
?
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• DSS monitors the PLCs of the TSS
• Internal structure reflecting that of the figure
• All testbeam data sent to Oracle devdb. Easy to retrieve data to text files
• Only systems not implemented: Laser monitoring and LV
Status of implemented sub-systems
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• Based on FwFSM, Finite State Machine, sends commands, receives states
• As a separate PVSS system
• Will communicate with all other systems
• Implemented into the Hierarchy (FSM) so far for Cooling and HV systems. Others to follow....
Supervisory System:
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Supervisory System:
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Status of implemented sub-systems
Cooling system:
• Ready for testing
• Only sends states, does not receive commands, passive monitoring.
• Calibration coefficients and limits can be changed from PVSS with a password.
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Cooling system main panel:
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Status of implemented sub-systems
HV:
• installed on final PC, long term stability tests started
• Need a password to change any settings and turn on/off channels.
Precision Temp:
• development started: SM0 will have 2 parallel systems: 1 using ELMB, other using Keithley
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HV main panel:
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Precision Temp main panel:PROTOTYPE ONLY: for the Keithley system!
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Status of implemented sub-systems
Humidity:
• System similar to the Precision Temp, to be implemented
TSS:
• Implemented by the Belgrade group
• Being tested at the moment
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Status of implemented sub-systems
Communication with DAQ:
• Done via an XML file read by a C++ proxy. Communication to PVSS via DIM.
(note: not the final system, only for SM0, until the XDAQ system implemented)
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Status of implemented sub-systems
• LV communication to be defined before a PVSS development can start
• Possibility of web-enabling the Oracle database to allow everyone access to the data in the tables
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Conclusions
• Close to achieve a nearly “complete” PVSS-controlled DCS for SM0 and SM1
• Aim for a complete control by the fwFSM system• SM0 first large scale test for ECAL-DCS• SM0/1 systems as “prototype” for complete
ECAL• The feedback from the shifters during the first
weeks of SM0 will be very important