# Name: M_SAFE # # Date: # # created: 08 09 1994 SDW # revisions: # # Change Description # # MDI Author: Scott Williams 415-725-0482 # # Description # # This procedure places the MDI instrument into a powered safe mode # The DEP sequencer wiill be halted, the limb tracker placed into # openloop mode and the front door closed. The initial mode may be # SLEEP, STANDBY, READY or IMAGING and the final mode will be SAFE. # # Intended Use # # Placing MDI into a mode safe for orbit adjust or other potentially # disruptive activities. # # Duration # # ? # # Requirements and Constraints # # MDI in SLEEP, STANDBY, READY or IMAGING modes. Medium rate telemetry # support desired for duration of safing sequence. MDI Operator on station # to support verification of procedure if possible. MDI operator verification # required for each step before continuing if operator availible and # circumstances permit. # # Steps # # Step Description Command Monitor Value # 1 stop DEP sequencer mbsqend mkdpsqst # 2 limb tracker to openloop mbltopnl mkltloop "OPEN" # 3 Front door close M_FDCLOSE # 4 record MDI current, either MIPWA ~1.3 # or MIPWB ~1.3 # 5 end of procedure