LBT Q 2 2008 EngSW Review HBSC Hydrostatic

LBT Q 2 2008 Eng/SW Review HBSC Hydrostatic Bearing System Sargent/Kern 21 -Jul-2008 LBT Q 2 2008 Eng/SW Review

Highlights (Q 2/2008) n n Flowchart and Ladder Logic completed Siemens/LINUX interface received and installed Brainstorming meeting held amongst principals, tasks and priorities established to address HBS features Firewall now penetrable for Win. CC 21 -Jul-2008 LBT Q 2 2008 Eng/SW Review

Open Issues n Technical n n n Schedule n n None Financial n n PLC Control law remains unknown, but documentation is available Capillaries not installed in any El and Az pads None Resource n Mountain and Tucson support pacing operation 21 -Jul-2008 LBT Q 2 2008 Eng/SW Review

Progress (Q 2/2008) n n Flowchart and Ladder Logic completed Siemens/LINUX interface received and installed Brainstorming meeting held amongst principals, tasks and priorities established to address HBS features Firewall now penetrable for Win. CC 21 -Jul-2008 LBT Q 2 2008 Eng/SW Review

Planning (Q 3/2008) n n n Install 1 set of El capillaries at the pads and resize Install Siemens/LINUX interface Describe new control laws correcting: n n n Rewrite PLC code using new control laws (Volts. DC) MCSPU software revisions: n n n n pressure OK system shutdown when pocket pressures fail control around pressure, not lookup table (LBT) Use new CTI PLCIO to communicate with both AB TPLC and Siemens HPLC Display detailed HBS status in Eng. Interface display page Add telemetry of HBS tags to MCSPU for diagnostic purposes. Modify HBS Control/monitor State machine to use newly available tags (Q 4 ? ) Expand Amend HBS Command set as needed (Q 4 ? ) MCS needs to copy HBS status info into shared memory for rest of TCS. (Q 4 ? ) Add HBS information and commands to MCS GUI (Q 4 ? ) 21 -Jul-2008 LBT Q 2 2008 Eng/SW Review