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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