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IDProjectCategoryView StatusDate SubmittedLast Update
0000262Hall D OnlineControlspublic2012-05-24 10:492012-06-29 13:57
Reporterwolin 
Assigned Toballard 
PrioritynormalSeverityfeatureReproducibilityN/A
StatusresolvedResolutionfixed 
PlatformOSOS Version
Summary0000262: Develop strategy to read out RTDs and thermocouples
DescriptionWork out best strategy to read out 96 BCAL RTDs, up to 30 start counter type-T thermocouples, and 10 or so CDC thermocouples.
TagsNo tags attached.
Work by outside group for Hall DNo
Estimated man-weeks1
Percentage complete0
Actual man-weeks0
Attached Files

- Relationships

-  Notes
(0000372)
wolin (administrator)
2012-05-24 11:23

Fernando says the start counter will require between 4 and 30 thermocouple readout channels, they are not sure yet.
(0000383)
wolin (administrator)
2012-06-05 11:48

Add humidity sensors to the list.
(0000391)
ballard (developer)
2012-06-29 13:57

It looks like Allen Bradley CompactLogix PLC and 1769 IO is the most economical and flexible options. I recommended a dual-PLC system (one upstream and one downstream) - this will allow 60 1769 modules + 0000081:0000100 Point IO modules, which is more than enough for current/future needs.

- Issue History
Date Modified Username Field Change
2012-05-24 10:49 wolin New Issue
2012-05-24 10:49 wolin Work by outside group for Hall D => No
2012-05-24 10:49 wolin Estimated man-weeks => 1
2012-05-24 10:49 wolin Percentage complete => 0
2012-05-24 10:49 wolin Actual man-weeks => 0
2012-05-24 10:49 wolin Status new => assigned
2012-05-24 10:49 wolin Assigned To => ballard
2012-05-24 11:23 wolin Note Added: 0000372
2012-06-05 11:48 wolin Note Added: 0000383
2012-06-29 13:57 ballard Note Added: 0000391
2012-06-29 13:57 ballard Status assigned => resolved
2012-06-29 13:57 ballard Resolution open => fixed


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