Difference between revisions of "Controls Meeting 15-Dec-2011"
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* Report from Scot on cryo design/changes | * Report from Scot on cryo design/changes | ||
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* Equipment orders - Mark | * Equipment orders - Mark | ||
* [[Solenoid_Controls_Redesign]] - Mark, Josh, Scot, Cody, Yi, Elliott | * [[Solenoid_Controls_Redesign]] - Mark, Josh, Scot, Cody, Yi, Elliott | ||
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** Danfysik quench detector | ** Danfysik quench detector | ||
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** shunt replacement | ** shunt replacement | ||
** UPS power to Danfysik | ** UPS power to Danfysik | ||
** ground fault detector using dump resistor | ** ground fault detector using dump resistor | ||
** redundant Danfysik contactor, quench detector, dump diodes? | ** redundant Danfysik contactor, quench detector, dump diodes? | ||
− | ** need | + | ** need more NI fast daq modules, 8 chan/module |
* Experiment Control Supervisor - Vardan, Hovanes, Elliott | * Experiment Control Supervisor - Vardan, Hovanes, Elliott | ||
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* EPICS evaluation | * EPICS evaluation | ||
** archiver | ** archiver | ||
** alarm system | ** alarm system | ||
** backup/restore | ** backup/restore | ||
− | * EPICS - Nerses, Hovanes, Elliott | + | * EPICS update - Nerses, Hovanes, Elliott |
− | + | ||
− | + | ||
* Controls test stand - Hovanes, Josh | * Controls test stand - Hovanes, Josh | ||
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** 435NBX serial module | ** 435NBX serial module | ||
** EPICS drivers and gui's | ** EPICS drivers and gui's | ||
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** add-on instructions -- ladder logic, function block, structured text | ** add-on instructions -- ladder logic, function block, structured text | ||
* Elog - Elliott | * Elog - Elliott | ||
− | ** [https:// | + | ** [https://halldweb.jlab.org/elog-halld Midas elog] |
** Operator elog | ** Operator elog | ||
− | * [http:// | + | * [http://halldweb.jlab.org/mantisbt Mantis task tracker] |
− | * PyIRMIS - Hovanes, Elliott | + | * PyIRMIS or CLAS inventory database? - Hovanes, Elliott |
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− | 9:30 AM Thurs 1-Dec-2011 CC | + | 9:30 AM Thurs 1-Dec-2011 CC F325 |
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− | + | After the holidays. | |
=Minutes= | =Minutes= | ||
+ | |||
+ | Present: Elliott W, Mark S, Cody D, Josh B, Hovanes E, Scot S. | ||
+ | |||
+ | |||
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+ | '''Equipment Orders''' | ||
+ | |||
+ | Mark has a few items to order. He will not purchase rack bases since we inherited a large number of rack-mount power strips. | ||
+ | |||
+ | |||
+ | |||
+ | '''Solenoid Controls Redesign''' | ||
+ | |||
+ | * Scot presented near-final controls designs and drawings covering PLC chassis and module layouts, the many new or modified channels, changed actuator functions, etc. | ||
+ | * We will have a redundant He liquid level monitor based on differential pressure, no need for the proposed "idiot light" (carbon resistor) system. | ||
+ | * Josh will basically rewrite the entire PLC controls program from scratch, using the existing version as an "example." | ||
+ | * We likely need one more Lakeshore Temperature monitor for the flange temperature probes. | ||
+ | * Elliott reported we're nearly done with understanding and determining modifications needed for the quench detector. | ||
+ | * Mark noted that Class 1 systems require less than 5 mA so that 20k resistors will work for 100 V max. George needs to verify the max voltage during fast dumps and quenches. | ||
+ | * Mark will order the shunt replacement when Yi verifies it meets fast DAQ requirements. | ||
+ | * Mark will have a center tab welded to the dump resistor so he can use it for the ground fault detector. | ||
+ | |||
+ | |||
+ | |||
+ | '''EPICS''' | ||
+ | |||
+ | * Elliott reported plans to meet with Accelerator to explore many topics, including layering CSS/Databrowser on top of the MyA achive engine. | ||
+ | * Hovanes will move on to alarm systems after the archiver. | ||
+ | * Nerses continues to work on the JLab discriminator, next will be high and low voltage systems. | ||
+ | |||
+ | |||
+ | |||
+ | '''Test Stand''' | ||
+ | |||
+ | * Josh verified the SOE plus relays works as expected. | ||
+ | * Next he will check the 435NBX ethernet-to-serial gateway. | ||
+ | |||
+ | |||
+ | |||
+ | '''ELogs''' | ||
+ | |||
+ | * Elliott demonstrated the new Midas elogs for manuals, maintenance logging and procedures. Comments are welcome, and please start using them. | ||
+ | * We still need to choose and operator elog. | ||
+ | |||
+ | |||
+ | |||
+ | '''Mantis''' | ||
+ | |||
+ | Elliott reviewed recent progress reported in the Mantis system. More people need to start using this! |
Latest revision as of 17:54, 31 March 2015
Agenda
- Announcements
- Minutes from previous meeting 1-Dec-2011
- Report from Scot on cryo design/changes
- Equipment orders - Mark
- Solenoid_Controls_Redesign - Mark, Josh, Scot, Cody, Yi, Elliott
- Danfysik quench detector
- shunt replacement
- UPS power to Danfysik
- ground fault detector using dump resistor
- redundant Danfysik contactor, quench detector, dump diodes?
- need more NI fast daq modules, 8 chan/module
- Experiment Control Supervisor - Vardan, Hovanes, Elliott
- EPICS evaluation
- archiver
- alarm system
- backup/restore
- EPICS update - Nerses, Hovanes, Elliott
- Controls test stand - Hovanes, Josh
- 435NBX serial module
- EPICS drivers and gui's
- PLC programming, Viewpoint, licenses, etc. - Josh
- high-priority tasks
- add-on instructions -- ladder logic, function block, structured text
- Elog - Elliott
- Midas elog
- Operator elog
- Mantis task tracker
- PyIRMIS or CLAS inventory database? - Hovanes, Elliott
Time/Location
9:30 AM Thurs 1-Dec-2011 CC F325
Announcements
Next Meeting
After the holidays.
Minutes
Present: Elliott W, Mark S, Cody D, Josh B, Hovanes E, Scot S.
Equipment Orders
Mark has a few items to order. He will not purchase rack bases since we inherited a large number of rack-mount power strips.
Solenoid Controls Redesign
- Scot presented near-final controls designs and drawings covering PLC chassis and module layouts, the many new or modified channels, changed actuator functions, etc.
- We will have a redundant He liquid level monitor based on differential pressure, no need for the proposed "idiot light" (carbon resistor) system.
- Josh will basically rewrite the entire PLC controls program from scratch, using the existing version as an "example."
- We likely need one more Lakeshore Temperature monitor for the flange temperature probes.
- Elliott reported we're nearly done with understanding and determining modifications needed for the quench detector.
- Mark noted that Class 1 systems require less than 5 mA so that 20k resistors will work for 100 V max. George needs to verify the max voltage during fast dumps and quenches.
- Mark will order the shunt replacement when Yi verifies it meets fast DAQ requirements.
- Mark will have a center tab welded to the dump resistor so he can use it for the ground fault detector.
EPICS
- Elliott reported plans to meet with Accelerator to explore many topics, including layering CSS/Databrowser on top of the MyA achive engine.
- Hovanes will move on to alarm systems after the archiver.
- Nerses continues to work on the JLab discriminator, next will be high and low voltage systems.
Test Stand
- Josh verified the SOE plus relays works as expected.
- Next he will check the 435NBX ethernet-to-serial gateway.
ELogs
- Elliott demonstrated the new Midas elogs for manuals, maintenance logging and procedures. Comments are welcome, and please start using them.
- We still need to choose and operator elog.
Mantis
Elliott reviewed recent progress reported in the Mantis system. More people need to start using this!