MIL-HDBK-162A
Volume 1
15 December 1965
Section 3
DATE: 1 July 1964
ITEM NAME: REMOTE PPI
COGNIZANT SERVICE: USN
TYPE: 55ACD
FEDERAL STOCK NUMBER: F5840-260-4623
USA
USN
USAF
USMC
STATUS OR TYPE CLASSIFICATION
Mfg(s) Name or Code Number: General Electric Company
master PPI, and each remote PPI may be connected to
as many as five master PPI units.
RELATION TO SIMILAR EQUIPMENT
None.
TECHNICAL DESCRIPTION
Pulse Repetition Rate: 60, 200, 400, or 800 to 1,000
pps
Range Scales: 7.5, 20, 75, and 200 naut mi
Presentation: One 7-in. PPI
Ambient Temperature Range: -20 to +50 deg C
Synchronizing Input: 5 to 40v
Video Input: 1v rnin
Field Excitation (yoke driving motor) Input: 115v, 60
cps ship's supply or gyro excitation bus
Synchro Excitation (5 CT) Input:
From stator
Operating Voltages and Power Requirements: 115
vac, 60 cps, 0.935 pf
Operational Power Consumption: 275w
Stand-By Power Consumption: 100w
Operational Current Consumption: 2.7 amps
Stand-By Current Consumption: 0.86 amps
INSTALLATION CONSIDERATIONS
Siting:
Mounting: Deck mounted. .
Cabling Requirements:
Related Equipment:
The 55ACD operates in
conjunction with radar and PPI systems using
pulse rates of 60, 200, 400, or 800 to 1,000 pps,
FUNCTIONAL DESCRIPTION
such as Navy Model SC and SK series radar
equipment.
Remote PPI 55ACD reproduces the oscillographic
pattern of a master PPI at remote positions on a ship.
As many as 12 of these units may be connected to one
55ACD: 1
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