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- Engineering Officer of the Watch/Logger Unit
- monitors the engineering plant and bell and data logger.
- located in CCS.
PACC and SCU
- Propulsion Auxiliary Control Console and Shaft Control Unit
- provides monitoring and remote control of main propultion plant, and most of the auxiliary plant. (throttles, main engines, seawater service pumps, lube oil pumps, fuel pumps)
- Located in CCS
- Electric Plant Control Console
- provides monitoring and remote control of the Electrical plant (generators, bus tie breakers)
- Provides restart controls for the A/C Plants
DCC and RSC
- Damage Control Console and Repair Station Control
- provides monitoring and remote control of the Firemain system (pumps, isolation valves) Also monitors space fire and flooding alarms.
- CPS pressure zone controls are located above the console.
- Local Operating Control Console
- Provides local control of the Gas Turbine Engine.
- located adjacent to the GTM Module.
- No Break Power Supply
- Provides electrical power to the LOCOP.
- It is located adjacent to the GTM Module
Bell and Data Logger
- Logs speed changes.
- located at the EOOW console.
- Integrated Condition Assessment System
- Receives plant information either directly from DMS, the console, or portable hand held unit.
- There are terminals in CCS, Main 1 and Main 2.
- Uninterruptable Power Supply
- Provides 30 minutes of emergancy power in the event power is lost. Each console (LU, PACC, SCU, EPCC, and RSC)has its own UPS.
Discuss the priority of gas turbine engine control.
SCU has primary control and can take control away from other stations, then PACC, then SCC on the bridge.
- Traffic Controllers
- There are 5, one for each bus.
- They provide orderly control of bus access for the AM and maintenance electronics.
- Each primary bus has 5 Radio Frequency (RF) channels. One channel is for control and the other 4 are for data.
- Bus cables are arranged on the hull ( 2 port, 2 stbd and 1 along the keel) to maximize survivability.
- The TC's are distributed forward to aft to maximize survivablity and are adjacent to the bus cables.
- Area Multiplexer
- There are 5 distributed along the main deck.
- The AM is a dual redundant device with an identical A and B side. They convert electronic signals being sent to and from the bus.
- Remote Multiplexer
- There are 9.
- The RM is a dual redundant device with an identical A and B side. They convert electronic signals between the AM's and the IOU's
- Input/Output Unit
- There are 29, located adjacent to the equipment attached to it.
- The IOU's connect to the A and B half of the RM's, and provide redundant communication to and from the RM's.
Describe the function of DMS
- The Data Multiplexing system is an asynchronous system.
- Provides data transfer through a group of electronic equipment, and interconnecting cables.
- DMS transmits everything from alarms to telephone calls.
- All signals share the same 5 cables