Block Diagram Components

Question 1

Location of OCCS EGSE Rack

Answer 1

In the LEV which is located under the Vehicle Pad in a concrete room, along with the Yuzhnoye FMS EGSE rack and the Vehicle GC and PS EGSE rack

Question 2

The 5 main components of the OCCS’ S/W Platform

Answer 2

1. PHS Ground Controller
2. FCS
3. GUI
4. Sequencer
5. Valve Table

Question 3

Besides the S/W Platform, the 5 systems that make up the OCCS EGSE rack

Answer 3

1. PHS Solenoid Control
2. Relay Command and Control
3. PHS End Position Switch Contact / Pressure Switch Monitor
4. TMS Monitor Control
5. PHS Relay Controller
   The main physical components are servers, power supplies, discrete control drawers, UEIDAQ PowerDNA Cube, and I/O controller

Question 4

The 2 ENET Switches located in the LCC for the OCCS and the clients connected to them

Answer 4

1. TMS switch with 2 TMS clients

2. OCCS switch with 3+ OCCS clients

Question 5

The 5 FGSE Supply Controllers controlled by the OCCS rack’s PHS Solenoid Control system (through the Fail/Safe J-Box)

Answer 5

1. GHe
2. GN2
3. LN2
4. LO2
5. RP-1
   Also connects to RP-1 Conditioner and the LO2 / GHe Heat Exchanger

Question 6

The supply tanks that make up the FGSE

Answer 6

1. GHe
2. GN2
3. LN2
4. LO2
5. RP-1

Question 7

The 2 primary subcomponents of the OCCS (not just the rack)

Answer 7

PHS for controlling VEHICLE Valves
and
FGSE with its UGFCS S/W for controlling GROUND Valves