1. LBT Q1 2008 Eng/SW Review MCSC – Mount Control System

2. April 4th, 2008LBT Q1 2008 Eng/SW Review1 Highlights (Q1/2008) Added Rotator and Cable Chain support to MCSPU Added Rotator and Cable Chain support to MCSPU Added Dynamic Balance commands and display pages to MCSPU Added Dynamic Balance commands and display pages to MCSPU Established communication between PCS and MCSPU for rotator polynomials Established communication between PCS and MCSPU for rotator polynomials

3. April 4th, 2008LBT Q1 2008 Eng/SW Review2 Progress Repair ELRL read head (no progress) Repair ELRL read head (no progress) Work on punch list for commissioning √ Work on punch list for commissioning √ Additional Progress Additional Progress Added Rotator and Cable Chain support to MCSPU √ Added Rotator and Cable Chain support to MCSPU √ Added Dynamic Balance commands and display pages to MCSPU √ Added Dynamic Balance commands and display pages to MCSPU √ Established communication between PCS and MCSPU for rotator polynomials √ Established communication between PCS and MCSPU for rotator polynomials √ Addressed issue 847 concerning Azimuth startup in the wind √ Addressed issue 847 concerning Azimuth startup in the wind √ Procured and spare azimuth encoder tape √ Procured and spare azimuth encoder tape √

4. April 4th, 2008LBT Q1 2008 Eng/SW Review3 Open Issues Technical Technical Encoder reset is not as reliable as it should be (probably a hardware issue) Encoder reset is not as reliable as it should be (probably a hardware issue) AZ/EL start-up procedure not as reliable as it should be (probably a TPLC issue) AZ/EL start-up procedure not as reliable as it should be (probably a TPLC issue) ELRL main encoder read head signal/noise is poor ELRL main encoder read head signal/noise is poor ELFR main encoder read head preload spring is missing ELFR main encoder read head preload spring is missing Cleanup necessary for commissioning Cleanup necessary for commissioning Schedule Schedule none none Financial Financial none none Resource Resource MCS competing for engineering resources MCS competing for engineering resources

5. April 4th, 2008LBT Q1 2008 Eng/SW Review4 Planning HBS and Rotator support HBS and Rotator support Add variables to Data Dictionary to make available to TCS Add variables to Data Dictionary to make available to TCS Add MCSPU commands to MCS to make available to TCS Add MCSPU commands to MCS to make available to TCS Numerous Events need to be defined for the Event Logging System Numerous Events need to be defined for the Event Logging System Alter AZ/EL/ROT Hold commands to stop telescope more gently Alter AZ/EL/ROT Hold commands to stop telescope more gently Make existing AZ/EL software use/monitor newly available information from the HPLC Make existing AZ/EL software use/monitor newly available information from the HPLC Repair ELRL read head Repair ELRL read head Install ELFR read head preload spring Install ELFR read head preload spring Work on punch list for commissioning Work on punch list for commissioning