Control and Monitoring System

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Gyro Compass System

TM-55-1905-223-10 Landing Craft Utility (LCU 200 Class) NSN 1905-01-154-1191 Manual

Engine room console panel

TM 55-1905-223-10

monitoring of vital machinery operating conditions and initiation of many functions from the engine room

console. The control and monitoring system consists of the following: engine room console, pilothouse

console, machinery plant monitoring and alarm system, engine order telegraph, steering control panel, dual

station throttle control system, bowthruster and auxiliary fire pump control, fire detection, and bow ramp control.

Engine Room Console (ERC). The ERC provides a centralized engine room location for:

controlling propulsion shafts direction and speed; monitoring machinery alarm conditions; acknowledging

engine orders; alerting engineering personnel of assistance needed and acknowledging the dead man alarm

notification from the bridge. These functions are provided to the ERC via interfaces with the machinery plant

monitoring system, engine order telegraph, and dual station throttle control system.

Pilothouse Console (PHC).The PHC provides control and monitoring of the main propulsion power

train speed and direction during usual ship operating and maneuvering conditions without intervention of engine

room personnel. The PHC also provides for: machinery plant monitoring; autopilot operation; steering system

selection and monitoring; bowthruster/auxiliary fire pump engine control; bowthruster control; communicating

desired propulsion shaft direction and speed to the ERC; operation of blinker lights; operation of bow ramp;

operation of ship's intercommunications system; and activation of ship's general alarm system. These

functions are provided to the PHC via interface with the machinery plant monitoring system; autopilot; steering

control panel, helm (wheel) and rudder angle indicator; dual station throttle control system, port and starboard

main propulsion engine shaft tachometers; bowthruster engine shaft tachometer; bowthruster control panel;

engine order telegraph; blinker light key; ship's intercommunications panel; and the general alarm contactor.

Dual Station Throttle Control The dual station throttle control system provides pneumatic direction

and throttle control for the main propulsion engines from the PHC and ERC, and the bowthruster/auxiliary fire

pump engine from the PHC only.

(1) Main propulsion engine control The system provides two throttle and direction control

valves at both the PHC and the ERC. The ERC contains a pilot air valve for ERC control of the system or

transfer of control air to the PHC. The PHC contains a pushbutton air valve for control air at the pilothouse.

(2) Bowthruster/auxiliary fire pump engine controlThe PHC contains a throttle control air valve

for bowthruster/auxiliary fire pump selection. Selection results in engaging the appropriate power take-off

(PTO). The valve also provides throttle control for the engine.

Machinery Plant Monitoring System The machinery plant monitoring system is a microcomputer

based system which monitors vital machinery operating conditions. The system consists of the engine room

console panel and a color video cathode ray tube (CRT) display on the engine room console and the bridge

console panel and color video CRT display located on the pilot house console. The CRT displays date and

time, alarm messages, and monitored status. The monitored status is presented in seven pages of displays.

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