11

LBT Q1 2007 Engineering LBT Q1 2007 Engineering ReviewReview

ECS: Enclosure Control System, ECS: Enclosure Control System, includes the dewpoint sensor, CA includes the dewpoint sensor, CA

system upgrades, grounding, system upgrades, grounding, enclosure track performanceenclosure track performance

22

Highlights (Q1/2007)Highlights (Q1/2007) Enclosure control system has been performing very well, Enclosure control system has been performing very well,

very little observing time has been lost due to enclosure very little observing time has been lost due to enclosure systemssystems

Dewpoint monitoring in the enclosureDewpoint monitoring in the enclosure Humidity or dewpoint monitoring of actuator compressed Humidity or dewpoint monitoring of actuator compressed

airair Enclosure grounding progressEnclosure grounding progress Enclosure track performanceEnclosure track performance

33

Open IssuesOpen Issues TechnicalTechnical

Humidity vs dewpoint monitoring of compressed airHumidity vs dewpoint monitoring of compressed air ScheduleSchedule

Decide now and order the dewpoint sensorDecide now and order the dewpoint sensor FinancialFinancial

Need to order dewpoint sensors for CA, return humidity Need to order dewpoint sensors for CA, return humidity sensorssensors

ResourceResource NoneNone

44

Progress (Q1/2007)Progress (Q1/2007) ECS continues to operate well, few bugs and improvements ECS continues to operate well, few bugs and improvements

fixedfixed Software needs to be written for dewpoint monitoringSoftware needs to be written for dewpoint monitoring Sensors were purchased, humidity for compressed air and Sensors were purchased, humidity for compressed air and

dewpoint for the enclosure.dewpoint for the enclosure.

55

Planning (Q2/2007)Planning (Q2/2007) Install sensorsInstall sensors Write softwareWrite software DebugDebug