TO-DO list for BICEP mount last updated 13 July 2005 BICEP team members, please add/claim/complete items freely! ------------------------------------------------------------------------------------------- 21 March 2005, Monday - Optical Camera - lightweight sides + top - extend video cabling through AZ and EL cable wraps - PMAC software - implement BICEP branch of PMAC setup code: pmac_code_bicep.pmc [DONE] - bring m-variables, p-variables, dpram registers online [DONE] - tune servo loops [somewhat DONE] - get timebase working - - RTC software - Pointing fit software - PMAC box to-do: - fix JMACH8 connector [DONE] - beef up case ground, tie +/-15V and +5V AGND to case and to techron GND - PMAC ordering: - test blown PMAC board: reinit jumper on, check +5V - order replacement spare PMAC main, include OPT12 - order spare ACC51P - order second ACC28 - fix AZ limits, test az and el hard and soft limits [DONE] - order spare limit switches - fix EL drive slippage [DONE] - set AZ and EL homing indices [DONE] - interlock box to-do - fix wiring (GND, etc) - solve manual surge problem - add AENA relays [DONE] - connect current meters - implement overcurrent protection - change so E-stop on manual controller is active in servo mode [DONE], but override only in manual. - add resistors/caps to manual mode to limit voltage slew rate to RC=0.1 sec - AGND should be beefed up, tied to earth. 12 May 2005, Thursday to get from stockroom: - Techron fuse spares: 20A 125V time delay type FNW-20, 1/2A type AGC MOUNT, mechanical - Rick is making guard/step for AZ drive bearing Rick / JMK in progress - electrical isolation for cryostat ring posts Rick / JMK in progress - drill holes for cable routing Rick / JMK - design/make theta encoder coupling shaft DB - pad AZ frame horizontal surface - AZ cable routing/conduit all in progress - EL cable wrap: define location and mount - repair boot brush seal shipping damage Ian finished - Boot structure finish aluminum strips Ian finished - Boot structure lift/shipment bracing Ian - Boot structure pallet Ian/carp shop - install Boot structure lighting/electrical - mount tilt meters - dummy cryostat plate/theta shaft for camera/servo testing Larry MOUNT, electrical and servo - cabling - manual controller Yuki - motor cables (make, add circular connectors to motors) Denis - make AZ limit cable/junction box, wire switches JK DONE - make EL limit cable/junction box, wire switches JK DONE - make E-stop dongle to replace E-stop cable - monitor/mode cables, make one more? done - Techron input ? done - Techron output ? done - Techron interlock ? done - motor conversion to encoders - replace Techron 120V power plugs - interlock box Yuki / JK / DB - schematic JK - back and front panels Yuki done - buy 20m (X4) fiber Greg - digital thermometer system Erik - PMAC breakout box JK - slipring cable breakout Darren - power supplies Darren SERVICE STANDS/carts - fabricate insert adapter for lift stand - fabricate cryostat adapter for lift stand - modify LIFT stand for 12 inch height extension - modify TILT stand for lower height; increased clearance - concept design for cryostat loader JMK finished - fabrication of cryostat loader PM / Rick in progress