Difference between revisions of "Solenoid Controls Redesign"
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'''To-do for solenoid controls redesign''' | '''To-do for solenoid controls redesign''' | ||
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+ | '''Obsolete...replaced by Fastrack schedule''' | ||
+ | |||
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+ | * Recommendations from Director's Review (Electrical System and Quench Protection) and Lehman Review | ||
+ | ** determine if cold diodes can increase quench detection - '''No, Nov-2011''' | ||
+ | ** add fast DAQ system prior to testing first coil - '''Done''' | ||
+ | ** add tests for internal shorts, shorts to ground and ground faults in coil and power supply to start-up sequence | ||
+ | ** add second dump circuit breaker - '''Not needed, Mar-2012''' | ||
+ | ** add additional quench circuit diodes - '''Not needed, Mar-2012''' | ||
+ | ** add second quench detector - '''PLC adequate as redundant QD - Mar 2012''' | ||
+ | ** add center tap to dump resistor and monitor ground current in the PLC | ||
+ | ** add UPS on dump breakers to avoid fast discharges | ||
+ | ** perform Failure Modes and Effects Analysis (FMEA) | ||
+ | |||
+ | |||
+ | |||
+ | * Logbook research | ||
+ | ** check elog for all problems - '''Done Mar-2012''' | ||
+ | |||
+ | |||
+ | |||
+ | * Infrastructure | ||
+ | ** get fourth rack - '''Done Nov 2011''' | ||
+ | ** connect fourth rack to other three racks | ||
+ | ** procure and install computer in racks | ||
+ | |||
+ | |||
+ | |||
+ | * Cryo system | ||
+ | ** need specs, new channels, new functionality, etc. from Jonathan - '''Done Dec 2011''' | ||
+ | ** complete P&I diagram | ||
+ | ** update mechanical/electrical interface drawing | ||
+ | |||
+ | |||
+ | |||
+ | * Vacuum system | ||
+ | ** design and create drawings | ||
+ | ** purchase and implement vacuum control system | ||
+ | |||
* Wiring | * Wiring | ||
+ | ** add new equipment, modify for PXI system | ||
** document trip chains | ** document trip chains | ||
** label circuit breakers | ** label circuit breakers | ||
+ | ** design and implement SOE circuits, need additional wiring and relays | ||
+ | *** prototype use of SOE module and relays in controls test stand - '''Done Dec-2011''' | ||
+ | ** identify and connect to internal power supply trip chains where feasible | ||
+ | ** improve voltage range and eliminate cross-talk on voltage tap channels '''Done Mar-2012 use PXI system''' | ||
* Danfysik power supply | * Danfysik power supply | ||
− | ** | + | ** implement dump resistor center-tap ground fault detector |
− | ** | + | ** lockbox for door key |
− | + | ** lock/tag/try procedures for dump resistor | |
+ | ** procedures to check for dump resistor integrity and diode polarity prior to startup | ||
+ | ** bring Danfysik techs out to upgrade/refurbish all old Danfysik supplies | ||
+ | ** do we have enough redundancy on overcurrent protection? | ||
+ | *** Do we need shunt? can we use zfct for redundancy? use flux sensor? | ||
* Quench detector | * Quench detector | ||
− | ** | + | ** need sub-coil inductances from Floyd/George - '''Done Dec-2011''' |
− | ** | + | ** modify QD for final configuration |
+ | *** test imbalance range adjustment in lab '''Done Nov-2012''' | ||
* Instrumentation | * Instrumentation | ||
− | ** implement | + | ** implement RS232 connections to all devices (e.g. vacuum gauges) |
− | ** | + | *** list from Mark - '''Done Dec-2011''' |
+ | *** Use RTI 435NBX instead of Point I/O serial modules | ||
+ | **** Check out RS485 instead of RS232 | ||
+ | *** Use RTI 490NBX for Ethernet/IP readout | ||
+ | ** replace shunt with flux-monitoring sensor '''Done Feb-2012 use CEBAF board readout of ZFCT''' | ||
+ | ** design and build breakout box | ||
− | * | + | * NI PXI fast DAQ |
− | ** | + | ** test PXI system - '''Done Feb-2012''' |
+ | ** program and connect to PLC, EPICS | ||
+ | |||
+ | |||
+ | |||
+ | * A-B PLC programming | ||
+ | ** consider existing program a prototype, rework for 15-20 year lifetime - '''Agreed Nov-2012''' | ||
+ | ** send Josh to A-B training - '''Done Jan-2012''' | ||
+ | ** use custom ("add-on") instructions to simplify everything | ||
+ | ** use function block, structured text and ladder logic as appropriate | ||
+ | ** add new channels, modify old ones according to latest channel assignments | ||
+ | *** connect to Cryo PLC via ControlNet | ||
+ | *** SOE module | ||
* A-B HMI improvements | * A-B HMI improvements | ||
− | ** fault sequence screens | + | ** SOE fault sequence screens |
+ | ** other error screens | ||
+ | ** Viewpoint | ||
+ | *** get screens on the web | ||
+ | *** security? | ||
− | * A-B | + | * Archiver |
− | ** | + | ** determine which channels need archiving |
+ | ** determine role of A-B vs EPICS archiver | ||
+ | |||
+ | |||
+ | |||
+ | * EWEB | ||
+ | ** create tag lists | ||
+ | ** security? | ||
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* EPICS | * EPICS | ||
** new channels | ** new channels | ||
+ | *** generate channel lists, identify those that should be exposed as EPICS PV's, create EPICS database | ||
− | * | + | * UPS power |
− | ** | + | ** solenoid controls racks |
+ | ** Danfysik control circuits and contactor | ||
+ | ** target | ||
+ | ** other cryo and vacuum systems? | ||
+ | ** FDC cooling systems (dewpoint)? | ||
+ | ** BCAL readout cooling system (dewpoint)? | ||
+ | ** CDC/FDC gas system? | ||
+ | ** network switches | ||
+ | ** downtime due to power loss is deciding factor | ||
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− | |||
+ | '''Notes''' | ||
+ | * max ramp rate in the hall is approximately 10V / 20H = 0.5 A/sec | ||
− | ''' | + | |
− | * | + | '''Possible future improvements''' |
− | + | * monitor selected circuit breakers so operators can quickly find them when they trip | |
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Latest revision as of 11:11, 15 August 2012
To-do for solenoid controls redesign
Obsolete...replaced by Fastrack schedule
- Recommendations from Director's Review (Electrical System and Quench Protection) and Lehman Review
- determine if cold diodes can increase quench detection - No, Nov-2011
- add fast DAQ system prior to testing first coil - Done
- add tests for internal shorts, shorts to ground and ground faults in coil and power supply to start-up sequence
- add second dump circuit breaker - Not needed, Mar-2012
- add additional quench circuit diodes - Not needed, Mar-2012
- add second quench detector - PLC adequate as redundant QD - Mar 2012
- add center tap to dump resistor and monitor ground current in the PLC
- add UPS on dump breakers to avoid fast discharges
- perform Failure Modes and Effects Analysis (FMEA)
- Logbook research
- check elog for all problems - Done Mar-2012
- Infrastructure
- get fourth rack - Done Nov 2011
- connect fourth rack to other three racks
- procure and install computer in racks
- Cryo system
- need specs, new channels, new functionality, etc. from Jonathan - Done Dec 2011
- complete P&I diagram
- update mechanical/electrical interface drawing
- Vacuum system
- design and create drawings
- purchase and implement vacuum control system
- Wiring
- add new equipment, modify for PXI system
- document trip chains
- label circuit breakers
- design and implement SOE circuits, need additional wiring and relays
- prototype use of SOE module and relays in controls test stand - Done Dec-2011
- identify and connect to internal power supply trip chains where feasible
- improve voltage range and eliminate cross-talk on voltage tap channels Done Mar-2012 use PXI system
- Danfysik power supply
- implement dump resistor center-tap ground fault detector
- lockbox for door key
- lock/tag/try procedures for dump resistor
- procedures to check for dump resistor integrity and diode polarity prior to startup
- bring Danfysik techs out to upgrade/refurbish all old Danfysik supplies
- do we have enough redundancy on overcurrent protection?
- Do we need shunt? can we use zfct for redundancy? use flux sensor?
- Quench detector
- need sub-coil inductances from Floyd/George - Done Dec-2011
- modify QD for final configuration
- test imbalance range adjustment in lab Done Nov-2012
- Instrumentation
- implement RS232 connections to all devices (e.g. vacuum gauges)
- list from Mark - Done Dec-2011
- Use RTI 435NBX instead of Point I/O serial modules
- Check out RS485 instead of RS232
- Use RTI 490NBX for Ethernet/IP readout
- replace shunt with flux-monitoring sensor Done Feb-2012 use CEBAF board readout of ZFCT
- design and build breakout box
- implement RS232 connections to all devices (e.g. vacuum gauges)
- NI PXI fast DAQ
- test PXI system - Done Feb-2012
- program and connect to PLC, EPICS
- A-B PLC programming
- consider existing program a prototype, rework for 15-20 year lifetime - Agreed Nov-2012
- send Josh to A-B training - Done Jan-2012
- use custom ("add-on") instructions to simplify everything
- use function block, structured text and ladder logic as appropriate
- add new channels, modify old ones according to latest channel assignments
- connect to Cryo PLC via ControlNet
- SOE module
- A-B HMI improvements
- SOE fault sequence screens
- other error screens
- Viewpoint
- get screens on the web
- security?
- Archiver
- determine which channels need archiving
- determine role of A-B vs EPICS archiver
- EWEB
- create tag lists
- security?
- EPICS
- new channels
- generate channel lists, identify those that should be exposed as EPICS PV's, create EPICS database
- new channels
- UPS power
- solenoid controls racks
- Danfysik control circuits and contactor
- target
- other cryo and vacuum systems?
- FDC cooling systems (dewpoint)?
- BCAL readout cooling system (dewpoint)?
- CDC/FDC gas system?
- network switches
- downtime due to power loss is deciding factor
Notes
- max ramp rate in the hall is approximately 10V / 20H = 0.5 A/sec
Possible future improvements
- monitor selected circuit breakers so operators can quickly find them when they trip