PROCEDURE:  deaa_off.ps rev 2.0

61033.1   OVERVIEW  

This is an "atomic" procedure which simply powers off the DEA side A .

61033.2   SUPPORT SUMMARY  

SUMMARY

Disable and turn off DEA power supply side A

CONSTRAINTS

Requires FMT 1,2,4, or 6 Video boards are off Not in bakeout

INITIAL CONDITIONS

Assumes that the PSMC has power from the spacecraft

      A.  Set the following command system configuration parameters:

Clear To Send Mechanism

=  FSV

CAR Processing

=  Enabled

FSV Processing

=  Enabled

CRR Processing

=  Disabled

Output Format

=  NRZM

Minimum Time Delay (sec)

=  3

CAR Time-out (sec)

=  40

FSV Time-out (sec)

=  45

Blocking Factor

=  90

Burst Factor

=  1

61033.4   TURN OFF DEA A     {1.0}

A. SOT authorizes OC to start script I_1_DEAA_OFF.
B. OC may resume past initial wait.

      Script uplinks command
      1DEPSAOF        {1.1}

      Script uplinks command
      1DEPSADS        {1.2}
                                 [Disable DEA A]

C. OC informs SOT that script has completed.
D. Verify telemetry:

Description

MSID

Value

Script Verification

DEA A Enable

1DEPSAX

DIS

N

DEA A On

1DEPSA

OFF

N

DEA Input V A

1DE28AVO

28.0 - 34.0

N

DEA Input I A

1DEICACU

0.0

N

DEA +24 V A

1DEP2AVO

0

N

DEA +6 V A

1DEP0AVO

0

N

DEA -6 V A

1DEN0AVO

0

N

DEA +15 V A

1DEP1AVO

0

N

DEA -15 V A

1DEN1AVO

0

N

DEA +28 V A

1DEP3AVO

0

N

END OF PROCEDURE