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National Stock Number:
6320-01-572-6395
Federal Supply Class:
6320
National Item Identification Number:
015726395
Description:
FEEDBACK RUDDER ANGLE TRANSMITTE
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Manufacturer Information:
| 074720-0000-000 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION | | 74720 | 03956 | NORTHROP GRUMMAN SYSTEMS CORPORATION |
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Techincal Specification:
| SPECIAL FEATURES | FOUR RUDDER ANGLE TRANSMITTER UNITS-FEEDBACK IN THE STEERING SYSTEM FOR STEERING CONTROL, TWO MOUNTED ON EACH RUDDER ACTUATOR ASSEMBLY; EACH RUDDER ANGLE TRANSMITTER UNIT (RATU) IS WIRED TO IS ASSOCIATED STEERING CONTROL UNIT (SCU) IN THE AFT STEERING STAND ON ITS SIDE OF THE SHIP; EACH RATU CONTAINS A CENTER-TAPPED POTENTIOMETER WITH +/-12 VDC EXCITATION PROVIDED BY ITS SCU; EACH RATU POTENTIOMETER PROVIDES RUDDER ANGLE FEEDBACK TO ITS CORRESPONDING SCU; THE RUDDER ANGLE FEEDBACK IS 0.25 V/DEGREE, POSITIVE VOLTAGE FOR STARBOARD (RIGHT) RUDDER ANGLES AND NEGATIVE VOLTAGE FOR PORT (LEFT) RUDDER ANGLES; EACH RATU IS EQUIPPED WITH TWO ADJUSTABLE LIMIT SWITCHES; ONE THAT WILL OPEN WHEN THE RUDDER EXCEEDS 35.5 DEGREES TO THE PORT AND ONE FOR 35.5 DEGREES TO THE STARBOARD; THESE LIMIT SWITCHES ARE USED TO INTERRUPT THE HPU PROPORTIONAL VALVE COMMAND BETWEEN THE PUMP VALVE ELECTRONICS AND THE PROPORTIONAL VALVE SOLENOIDS TO PROTECT AGAINST A FAILURE IN THE STEERING CONTROLS |
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