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Argus X-Band Radar, Technical User Manual

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5. L N F E LIMITER NOISE DIODE CIRCULATOR alH Figure 9 1 8 SRT Internal Connection a v BRUSHLESS CONTROLLER BOARD 2 GND BLACK 3 WHITE 4 s v TRE d RED 5 R U 5 BL 10 BROWN 9 ORANGE YELLOW BLACK 8 RED 7 6 a IGND 5 vin s T 151 Vin P TB3 3 GND SRT POWER BOARD F GND GND VD nur 700 4 HT 1 CONTROLS POWER POWER 11111111112222222 1111111111222222222233333 11111111112 12345678301 2345678901 23456 123456789012345678901 8345678901234 12345678901234567890 3 12345
6. 8 1 3 HANDENG Lg ere 8 2 SPECIFICATIONS ee Se Se Aa 8 2 1 DIMENSIONS AND WEIGHTS ALSO SEE OUTLINE DRAWINGS 822 REQUIRED POWER eee 8 2 3 ENVIRONMENTAL D XTA A e LE o eee tes 8 3 INSTALLATION 2355 pe miam dmn nasus 8 3 1 INSTAELATION PRINCIPLES dir ae Ma ee 8 32 MECHANICAL INSTALLATION s er ceci ETE AR ERE derav 8 3 2 1 UNIT PEDESTAL TRANSCEIVER cessere N 8 3 2 2 ANTENNA snute kremet se 8 3 2 3 SAFETY SWITCH ii etae etie ete to ab etae 8 3 2 4 PERFORMANCE MONITOR ARM 8 3 3 ELECTRICAEINSTALLATION Henie ROOT 8 3 3 1 MUETICORE CABLE pusen 8 3 3 2 SAFETY SWITCH utse 8 3 3 3 GROUNDING 8 3 4 PRE SETUP PROCEDURES cccccccccsessssssececececsessaececececsessaaecesececsensaeaecececsesenseaeeecececsensaaeeeeeeeens 8 3 4 1 SHIP POWER VOLTAGE ete state ert ien ee 8 3 4 2 COMPASS SAFE DISTANCE 8 4 INSTALLATION FIGURES AND DRAWINGS et 8 5 DR NE 8 5 1 MULTICORE CABLING AND TERMINATION PRINCIPLE pt 988 10186 003 8 1 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 1 Introduction This chapter of the Technical manual can be used as a self contained Installation Manual for the ARGUS X Band Radar System including 6 9 or 12 feet Antenna and Pedestal with 12kW or 25 kW Transceiver up mast It contains necessary informati
7. DL3 is off Cable between Bearing Reader x x and SRT Control boards is Check electrical continuity of the cables Replace cable interrupted 988 10186 003 5 3 ARGUS X BAND RADAR SCANNERS TROUBLESHOOTING Antenna rotates but rotation speed cannot 5 2 9 2 o gj 21 o 6 2 5 G 2 2 x o 2 gt 6 o 5 9 gt o c o S Q m c s 8 2 5 B B B ES RI HE kp 55 FS Potential Cause Check Remedy x Circuits are damaged Check input and output azimuth signals on SRT Control board High voltage is too low Check magnetron current and 700VDC voltage value 1 2 2 Veo AM LUE Check if 24VDC voltage value on Brushless Motor Controller ends is low Connect the 24VDC volt x Motor power supply is missing age to controller or missing properly x Motor power supply is missing Check Brushless if Motor Controller enable signals are missing ag Control x Motor power supply is missing Check Brushless if Motor Controller enable signals are present Replace the Brushless Motor Controller Modulator is damaged Brushless Motor Controller is not enabled properly Disconnect 700V cable from TB3 of SRT_Power Board disconnect mo tor cab
8. g TUNEND C56 gt En s Sa 973281 1 te D 3 5 8 C65 1 CONTROL pizo g 200121 TUNEIN C62 0 eo e L4 a 5 EXTTUNE 50 308 d 3 gt n I NE ni 2 C67 RXCOMB R127 gt ag E 08 gt 5 MAGCUR 2 78 1 3 ex oo 51 INTTUNE R123 0 58 5 25 5 E Har MEAD C84 5126 cn e R152 CBSE 137 0 R39 o Drip xu MB Tx 08 0258 05 05142 2585 TP22 a te tz RH 25 fogt 8 SI VIN Uo EE 5 x 2 8 gt gg 997 eoo RIGO _ 5 5 15 TRPULL D D VDOUT 2047 E a 5 C100 029 a C 19 wee RET Je 819 R168 81695050107 d GND E3 21660 p B 1225 Eug 17 AZ OUT TB4 EG T 5 TROUT MCUR E 988 10186 003 8 18 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 10 SRT Control Board Service switch P3 6 t _ 988 10186 003 8 19 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 11 Safety Switch optional Cable Entranze Max diamter 18mm 118 114 Ground w Connection cable 988 10186 003 8 20 ARGUS X BAND RA
9. 95 wd c o n 5 3 8 o o G o o 3 jg o S 5 5 5 2 S 8 S 2 8 95 0 oz E E a s 2 x 7 5 5 x 5 5 Sco E lt Cox lt 5 Potential Cause Check Remedy Power supply is missing or polar Gomes the ity is inverted Check DL1 Led status and measure voltage on TB2 of PCB SRT Power age to the transmitter properly Close P1 link on PCB Power and make sure the Led DL2 lights on Replace SRT Control Power ON signal is missing properly Board Check Led Status and measure voltage TB2 of SRT Power Connect tie DE Vol X Voltage supply is too low Board age to the transmitter properly BNC video cable is interrupted Check electrical continuity and insulation from GND x X Video signal is low Check video signal and data on TP1 Out of REI 2K Adjust amplitude properly Magnetron exhausted Check magnetron transmission hours and current Need check on console Replace magnetron x The safety switch is open Check switch position and continuity Close oie 9r generator is dam Disconnect 700V cable from TB3 of SRT Power Board disconnect mo Replace SRT Power x x g ge g tor cables turn S1 of the SRT Control Board on position 3 and make sure P m aged
10. T 2 Sms C67 RXCOMB 07 R127 DER 2 2 5 ee Na RBI ES 7 ee Do S 590 o Fo INTTUNE R123 0 0 g E R1340 08135 5 5B JI4 SEL LS ER me GE 6 150 2152 C77 3 SSS 5 coe RIS7ORi300 o 9000 gje 5S 2 ee C87 D 3 2 R141 00 RX TX R1530 D R1550 oe 02580 UX guo LIGG 1P24 22 amp isin 0 SJT o 026 25 cel Ci epe mama 5 cio 2 3 7 3 reo mz 6 5 20 20 aed J15 TRPULL i pA a VDOUT 2 047 Sr 529 2244 N bun eB 12 a R8 G VDIN R1660 0 x e AZ OUT t 18 J19 0 gt 1 1 25 c 5 NES TROUT MCUR Figure 9 1 17 SRT CONTROL Board 988 10186 003 9 19 ARGUS X BAND RADAR SCANNERS FIGURES Monitor Performance and Voltage Microprocessor Input Interface Output Interface Gate Array Figure 9 1 18 SRT CONTROL Blocks 988 10186 003 9 20 ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 19 SRT CONTROL Microprocessor and Gate Array Debug Communication EEProm Interface SERIAL Adapter an DIGITAL 78507657 potentiometer Lum
11. 1500 750 Hz PULSE WIDTH 1 28 uS min FUNCTIONALITY Trigger point at low to high transition RISE TIME lt 180ns 10 90 95 POLARITY Positive AMPLITUDE p Go 15 Programmable pretrigger output LOAD 500 PTROUT PULSE WIDTH 640 10240 ns PULSE ADVANCE 0 40 us RISE TIME lt 180ns 10 90 Serial interface SEROUT TX SERIN SIGNAL STANDARD RS232 terminated 3 KO RS422 terminated 120 selectable Baud rate 4800 4 to 11 V high level Position data AMPLITUDE 128 1024 4096 pulses per antenna revolution LOAD Load 2 2 ACPIN PULSE WIDTH gt 80 us 4 to 11 V high level ANTENNA reference AMPLITUDE One pulse for revolution ARP LOAD gt 2 ARPIN PULSE WIDTH gt 80 us Open collector output 100mA Antenna start ANTS LOAD Antenna rotating when ANTS is shorted to ground Position data AMPLITUDE UA1 NUA1 RS 422 balanced output 988 10186 003 ARGUS X BAND RADAR SCANNERS OPERATION Signal name Type Description type Antenna reference AMPLITUDE RS 422 balanced output NUAO Power on AMPLITUDE From 3 V to 30 V to power up transceiver electronics PWON Antenna speed control AMPLITUDE From 2V to 5V 2 5 NMEA Transfer Protocol 2 5 1 Abbreviations RDC TXRX CRC Field Type Field type Status Variable Numbers Fixed HEX field Variable text Fixed alpha field Fixed nu
12. ll ARGUS RADAR X Band Technical User Manual ENGLISH PRO SIMRAD YACHTING COM RECORD OF CHANGES RCS CODE REV INDEX DATE BY Revision 988 10186 001 Sept 30 First issue N A Revision 988 10186 002 ocn General revision N A Revision 988 10186 003 Merch 12 Front cover updated 988 10186 003 Warnings Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 988 10186 003 OVERVIEW OF CHAPTERS DESCRIPTION AND MAIN CHARACTERISTICS OPERATION FUNCTIONAL DESCRIPTION PREVENTIVE MAINTENANCE TROUBLESHOOTING CORRECTIVE MAINTENANCE PARTs LIST INSTALLATION FIGURES ARGUS X BAND RADAR SCANNERS CONTENTS TABLE OF CONTENTS CHAPTER 1 DESCRIPTION AND MAIN CHARACTERISTICS 1 1 181 INTRODUCTION o dero rhon eie tane aa eon 1 1 LIT Manual Applicability n ooa eia eer ens A be 1 1 1 1 2 The purpose of the equipment scanner esses eene 1 2 143 BistofAbbreviationssa us ode etes 1 3 Table 1 1 1 List of abbreviations enne nennen enne nennen nnne nennen 1 3 12 CONFIGURATION TABLE neuer eren tene gere 1 4 1 3 PHYSICAL DESCRIPTION REDE ER ET EUREN 1 4 Table 1 3 1 Equipment Accessories and Documents Supplied 1 4 JL sAnBUQR A s ues ee ert Etat qe 1 5 13 27 2 dti idee 1 5
13. High voltage generation and antenna rotation disabling from the Safety Switch High voltage generation and antenna rotation disabling from the interlock Main power supply voltage High voltage supply feedback Feedback from SRT MOS board for 15150 presence Magnetron transmission current Links for the board configuration 4 bit for the selector position Transmission Trigger Serial Gate Array management signals Pre trigger for the STC generation Serial reception of the combined video 3 2 1 6 6 Gate Array Output Signal Bit DBO DB7 of the Data Bus Power supply line absence Video data Reception Transmission Interrupt 10 MHz clock Digital potentiometer chip select Digital potentiometer control signals Magnetron filament voltage control signals Antenna switch on signal HVPS circuit control signals HVPS circuit switch on signals Signals for the control of the NIFB bands Trigger PUSH for the transmission pulse generation Trigger PULL for the transmission pulse generation Trigger for the display Gate for the STC signal generation Serial transmission of the combined video Disabling for the combined transmission on the video Tuning detectors at transmission frequency Serial Gate Array management signals 3 8 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION 3 2 1 6 7 Gate Array Pulse Length Generator The Pulse Length Generator Function Chapter 9 Figure 9 1 21 provides the length
14. The electrical installation of the SRT consists of cabling and connection to terminals Figure 6 SRT Pedestal Schematic blocks as described below 8 3 3 1 Multicore Cable Also see par 8 5 Multicore Cabling and Termination Principles NOTE Use the installation materials for the Multicore cable which are delivered by the manufacturer to ensure proper connection Normally the cable 4 twisted pair 2 Coax 8 wire is delivered in a length of 15 30 or 60 m The Multicore cable includes wires for Power Video Trigger and Antenna data These cables should therefore be handled with particular care 988 10186 003 8 8 ARGUS X BAND RADAR SCANNERS INSTALLATION The scanner end of the multicore cable shall be connected to the Main Connector see Figure 7 and Figure 8 8 3 3 2 Safety Switch optional The safety switch is available from the manufacturer but does not include cable for connection to the Core unit must be purchased separately Check that the Safety Switch is placed as described in par 8 3 2 3 Mechanical Installation Connect the two poles of the safety switch on TB1 of the Core unit The cable gland not in use must be properly sealed Carefully make sure that the switch is closed in 1 On position and open in 0 Off position 8 3 3 3 Grounding Connect a tinned braided copper wire gt 25 mm between the GROUND TERMINAL on the pedestal and the radar mast 8 3 4 Pre
15. 8 L f 0 N d 0 i by 593 x 4 v RY AN A INVES yy eae 24 tH GI ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 32 Brushless Motor Controller 988 10186 003 9 34 ARGUS X BAND RADAR SCANNERS FIGURES SRT Adapter Box Figure 9 1 33 9 35 988 10186 003 FIGURES 3 Y 2 a yy Ho e ARGUS X BAND RADAR SCANNERS FIGURES 4 7 ED BARS 2 aL Q PAN Qa lt lt gt gt M Figure 9 1 35 Replace RF Amplifier Limiter Noise amp Power Diode and Circulator 988 10186 003 9 37 0 3 988 10186 PRO SIMRAD YACHTING COM
16. Q RIS UR4 S g 45 5 gt R16 4 5 TP3 D eno D 2 dps de u10 B me 9 amp fel R19 2 2 Pang PS Cla 28 0851 E 5 0 ON DRM 8 Hus cous 1732 R34 Ae Um NA R290 M Hoa oe R300 ega REAoY 0833 C12 mex 2 515 ag 2 RA 27 2 VES EY 8 moO 0 PAL S RI7 E H 20 2 Hoo Sn E DEO al gg S 4 5 x 2 5 of r m 8 oa o a 2 m 621 v ast ED on P CZ DE d D Das TP8 E p 20028 o Y 853 23 ON C25 ae n m o B 024 W oe oo bel na bm N al E BR Ee fal 45 5 4026 57 0 908 88 L3 2 A 3 25 So a om KOCI Res 2 55 627 0 x bi R65 P R56 2 Je R67 START R70 0 Os 58 EEPROM C35 0 237 SY 1512 014 0 RET TN R71 0 R75 VED Gi a W oe ges 0 B ix LL JE 2 3 o 74 036 RI ERA rA 0m t R73 l o Re 660 5 S5 2565 182 d 0 Br C52 LLL ERO 15 cati 3 25 12 c48 AT ROT 1649 R92 c L R960 S Co uw 78004 gu ee C44 C45 C470 0890890 051 WA R970 2 kog GER Sa M A 55555 5 M R94 0 R95 D RoS D D L1 99 R108 Duos CONSILIUM 6570 557 R98 107 5 3 SELESMAR
17. are required The tools required to perform the troubleshooting operations are Set of screwdrivers Set of combination wrenches Set of socket wrenches Set of socket hexagonal Set of socket torxs Set of hexagonal wrenches Set of allen wrenches with end ball Set of torx wrenches Set T handle wrenches with swivelling hexagon sockets Set T handle wrenches with swivelling hexagonal sockets Circlip pliers Set of communication tools 30 W welders Electric Solder Iron Desoldering tool Vacuum cleaner Digital multimeter Oscilloscope 6 2 Corrective Maintenance Procedures 6 2 1 General This paragraph provides a detailed description of the operations to be carried out in order to replace a damaged component Table 6 2 1 List of Corrective Maintenance Procedures Table 6 2 1 List of Corrective Maintenance Procedures Paragraph Component to be replaced Replacement of the Magnetron Replacement of the RF Head Replacement of the Performance Monitor 988 10186 003 6 2 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 6 2 2 Antenna Replacement a Required Tools Set of combination wrenches Set of screwdrivers Set of socket wrenches b Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON Using the proper open wrench loose and remove t
18. else NULL OFF Transceiver control 3 M Request Master of Transceiver S Slave Selected Transceiver Number 7 Notes 1 Transceiver Number 1 2 3 4 SPARE in stand alone TXRX Master Slave request SPARE in stand alone TXRX and single equipment Transceiver control Field type Field Descriptions SB Stand By SH Short pulse High frequency SM Short pulse Medium frequency SL Short pulse Low frequency MM Medium pulse Medium frequency ML Medium pulse Low frequency LL Long pulse Low frequency 2 5 2 2 SECTOR BLANKING SENTENCE PSE2 a xxx X XXX X XXX X XXX X hh lt CR gt lt LF gt L End Sector 2 Start Sector 2 End Sector 1 1 Start Sector 1 D Sector Blanking Values R Sector Blanking Request 2 Notes Start amp End Sector units are degree Es 90 6 This value will be rounded depending from the position sensor used 2 If Sector Blanking Request don t 988 10186 003 2 5 ARGUS X BAND RADAR SCANNERS OPERATION 2 5 2 3 TIMERS INITIALIZATION PTIM x X X X X X X X X X X X X X X x X hh CR LF hate Timer M Pulse Low Freq p S Pulse Low Freq Timer S Pulse Medium Freq Timer L Pulse Low Freq 2 Timer M Pulse Medium Freq Timer S Pulse High Freq Timer Standby Status 3 Status 2 Status 1 Notes 1 Command 1 1 Request for transmission of actual values 2 Initialization of values 3 Reset of values Command 2 Spare Command 3 Spare Timers
19. proceed as follows Carefully degrease the part to be painted Smooth lightly with emery paper Clean with dry brush Apply a coat of anticorrosive When the applied anticorrosive is dry paint with a brush or better still by spraying 5 On the electric switchboard set to ON the power breaker relevant to the unit and remove the warning placard 988 10186 003 4 3 ARGUS X BAND RADAR SCANNERS PREVENTIVE MAINTENANCE CARD 2 UNIT OPERATION INTERVAL SRT 12 25 Internal inspection and general cleaning 52 KW X BAND PERSONNEL REQUIRED INSTRUMENTS REQUIRED TIME Set of screwdrivers Electro Contact Cleaner Soft brush 15 minutes Primer Paint Emery paper Soft cloth SAFETY PRECAUTIONS On the electric switchboard set to OFF the Main Line Breaker relevant to the unit and hang up card reading WORK IN PROGRESS DO NOT SWITCH ON SEQUENCE OF OPERATIONS Preliminary Operations Position the Antenna as shown in Chapter 9 Figure 9 1 1 Unscrew and remove the four screws Chapter 9 Figure 9 1 4 pos 1 locking the cover pos 2 and open the former Internal Multipin Connectors and Cables Inspection 3 Check the conditions of each connector electric contacts pins and plugs connector packing and of its cable Clean contacts by using Electro Contact Cleaner Repair or replace if necessary any defective part Mechanical Checks 4 Check the gear integrity Add grease if the gear shows lack of lubricatio
20. 1 3 2 1 1 6 1 3 2 2 Electronics parts 1 6 Table 1 3 2 SRT X Band 12 and 25 kW Composition pp 1 6 Table 1 3 3 RE HEAD n 1 6 Table 1 354 Bl ctr nics Rack inora onii i etc reete EE axe ori rere baksete 1 6 1 3 2 3 Motoredu er ASSy d a u ae re ETHIC ei re pede UR ee eR 1 7 14 RUNCTIONALIDESGRIPTION uker 1 7 1 5 gt TECHNICAL CHARACTERISTIGS 1 8 CHAPTER 2 OPERATION qh eu e esee cV 2 1 2 INTRODUCTION eee ee ERE 2 1 2 Iob ae dl Kis Ma kir ar Vakt CIA I Lo ME gt 2 1 2 2 CONTROES AND INDICA TORS gata Ro et ER 2 1 2 3 SEMI OPERATIVE 2 1 Table 2 3 1 Semi Operative Controls Location of TXRX Cabinet 2 1 Table 2 3 2 Semi Operative Controls Location of Electronic 22 Table 2 3 3 Semi Operative Controls Location of Brushless Motor Controller 22 2 4 REQUIREMENTS ven kiste iret eee HY iex ote ro bein 2 3 Table 2 4 1 I O Requirements for Upmast 2 3 2 5 NMEA TRANSEER PROTOGOL pP e ERR URN EE 2 4 232 CO 2 4 2 5 2 DATA TRANSMISSION FROM RDC TO TXRX OR INTERFACES 2 5 2
21. 8000 h 30 WARNING HIGH VOLTAGE IS PRESENT INSIDE THE UNIT DO NOT OPEN THE CABINET COVER BEFORE THE MAIN LINE BREAKER HAS BEEN TURNED TO OFF POSITION ALL WORK PERFORMED ON THE TXRX MUST BE RECORDED IN THE UNIT LOG BOOK WARNING BEFORE STARTING ANY MAINTENANCE WORK IT IS MANDATORY THAT FOR THE SAFETY OF PERSONNEL ALL HIGH VOLTAGE CAPACITORS BE SHORT CIRCUITED BY MEANS OF A WELL INSULATED SCREWDRIVER OR OTHER SUITABLE TOOL BEFORE CONNECTING INSTRUMENTATION USED FOR PERFORMING MEASUREMENTS INSIDE THE UNIT IT IS ADVISABLE TO SWITCH OFF THE POWER SUPPLY DO NOT ALTER THE SETTING OF THE SEMIOPERATIVE CONTROLS UNLESS A SPECIFIC ADJUSTAMENT IS REQUIRED AND THE NECESSARY TEST EQUIPMENT IS AVAILABLE 988 10186 003 4 2 ARGUS X BAND RADAR SCANNERS PREVENTIVE MAINTENANCE CARD 1 OPERATION INTERVAL SRT 12 25 KW Check of external preservation status 51 PERSONNEL REQUIRED INSTRUMENTS REQUIRED TIME 1R None 15 minutes SAFETY PRECAUTIONS On the electric switchboard set to OFF the Main Line Breaker relevant to the unit and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON STEP SEQUENCE OF OPERATIONS 1 Check that no parts of the plastic covering the Antenna have been painted 2 Check the casing preservation state 3 Unscrew and grease the 4 fastening screws of the cover Chapter 9 Figure 9 1 4 pos 1 to avoid corrosion and facilitate future inspections 4 If paint has been scratched off at any point
22. An external SAFETY SWITCH connection is fitted on the SRT_Control board When the switch is open it disables power supply to the MOTOR unit and inhibits RF emission thus achieving a safety condition for maintenance and repair The wiring from the external switch enters the equipment through the smaller stuffing tube The installation is often compulsory and it is recommended to install the switch at the bottom of the mast stairs giving access to the Unit 988 10186 003 3 12 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION NOTE Before performing any service on the Antenna SWITCH OFF the Safety Switch 3 2 5 Optional Equipment SRT Adapter Box It is possible to connect TRTX units to the Core unit with cable lengths of up to 360 m To ensure adequate signal levels at this distance the SRT Adapter Box has been introduced The SRT Adapter Box has the following functions e Ensure adequate Power supply level of 50 VDC for the TRTX The 480 W AC DC power supply has a universal input range from 85 VDC to 250 VDC e The safety switch location to prevent antenna rotation during mainte nance e The Adapter PCB within the adapter box ensures correct signal buffer ing and adjustment of signal levels amplification compensating for ca ble losses e Decode the combined video and if needed convert older types of proto col as Mastermate to new combined video protocol standards The decoding logic extracts the serial data packet
23. Detector Speed Controller Ve interface To Motor N Controller RO To Display TR Push TR Pu g To SRT Mos From Gate Array Level translator and Buffer VD Out To Display From RF Detector ON DA HVON 25 To SRT Power w MPA LP iLON il 1 JON From A Level l _ SRT Power A Gate Array translator and LVPS A Buffer 5 pr RF Detector N B PM To Performance Monitor M ANT ANT To Safety Switch BELL Driver 232 Microprocessor and 422 To Display Figure 9 1 21 SRT CONTROL Output interface 988 10186 003 9 23 ARGUS X BAND RADAR SCANNERS FIGURES Voltage Monitor Adapter gt gt Q X Q c Z Temperature Monitor INC J D From CS4 Gate Array CSS Performance Monitor N From Input inen Optional uH Interface 1 Tunen From Output PMOut Interface From Neon RM Lamp Figure 9 1 22 To Microprocessor SRT CONTROL Monitor 988 10186 003 9 24 ARGUS X BAND RADAR SCANNERS FIGURES TO FROM ANTENNA RF and ECHO Pulse RF Amplifier Magnetron RF ECHO Limiter Pulse Circulator Pulse Low Noise Front End A K FIL From SRT MOS Video RF Detector Tune From To SRT Control 581 582 STC V Tune Figure 9 1 23 SRT RF HEAD Functional block diagram 988 10186 003 9 25 ARGUS X BAND RADAR SCANNERS FIGURES Tune Voltage 60 MHz IF Out ivider Balanced WG Mic Me SO Tra
24. Motor Controller The speed controller board sets the brushless motor rotation speed by means of variable voltage signal VEL coming from the SRT_Control Board A 5 V con trol signal start is produced for safety purpose Turning the safety switch to off results in preventing the motor from rotating Chapter 9 Figure 9 1 26 3 2 4 Motor Unit The Motor Unit for rotating the 6 9 and 12 feet X Band Antennas is equipped with a brushless Motor powered by the Brushless Motor Controller board Chapter 9 Figure 9 1 5 The motion is transferred to the ANTENNA through 2 GEARBOX with a total reduction ratio of 60 1 for 6 and 9 feet and 120 1 for 12 feet The ANTENNA nominal angular speed can be 2 40 rpm Mounted on the Antenna shaft is the OPTICAL READ OUT group that generates the pulses used to determine the Antenna position Azimuth and the Heading Line The OPTICAL READ OUT group is composed from a disk rotating with the Antenna shaft and an optical sensor with two slotted optical switches When in front of the optical sensor passes a hole of the disk a pulse is generated by the Photo transistor The pulse is sent to the INTERFACE block of the Electronics Rack through the SIGNAL CONDITIONER circuit which adapts the amplitude of the pulses from the Optical Read out The Heading Line pulses are obtained by means of another optical sensor equal to the previous one which generates a pulse when a deeper hole passes through the sensor
25. Setup Procedures This paragraph provides information concerning the preliminary controls and procedures to be done as a completion of the electrical installation and before supplying the unit with power and before performing the System Setup Procedure Carry out a careful visual inspection of the installed components referring to the layouts of the unit and to the interconnection drawings Carefully check the integrity of the fuses NOTE Powering the Radar System is not included in the Pre Setup Procedure 8 3 4 1 Ship power Voltage The unit must is connected to ship main voltage through the Core unit or through the SRT adapter box Cable section shall be 2 4 mm to support a 15 A current 988 10186 003 8 9 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 3 4 2 Compass Safe Distance Every unit should be located outside the minimum magnetic compass safe distance according to the following table Safe distance to the Safe distance to the Reduced Safe dis Reduced Safe dis standard magnetic steering magnetic tance to the stand tance to the steering compass m compass m ard magnetic com Q pass m 12 5 or 25 kW X Band SRT Transceiver SRT Adapter TT TE 8 4 Installation Figures and Drawings The following figures and drawings are included after this page Figure 1 Lifting by crane Figure 2 Suggested Masthead Antenna mounting Figure 3 Suggested Antenna mountin
26. composed of Figure 9 1 2 The Antenna 6 9 or 12 feet Figure 9 1 2 pos 3 The Pedestal 12 or 25 kW Figure 9 1 2 pos 2 Optional equipment Heater Encoder SRT Adapter Box All units are designed for maximum resistance to the severe environmental conditions in which they are to operate Table 1 3 1 Equipment Accessories and Documents Supplied n f Width Height Depth Weight Description Configuration Code cm ene et Kg SRT 12 002 SRT 12 003 or 391 SRT 12 or 25 kW SRT 25 002 SRT 25 003 EPO Ragar ANT6X 001 7 or 1800 466 System with Antenna ANT9X 001 or 2650 466 ANT12X 001 77 3618 46 6 49 Without Antenna With 6 Antenna With 9 Antenna 77 With 12 Antenna 988 10186 003 1 4 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 3 1 Antenna The Antennas available are 6feet X band 9 feet X band 12 feet X band tested only to IEC 60945 The Antenna Figure 9 1 2 pos 3 is fixed to the Pedestal Figure 9 1 2 pos 1 by means of four 4 screws Figure 9 1 2 pos 1 The antenna consists of e end feeded slotted waveguide of 6 9 or 12 feet lengths waveguide feeding the slotted waveguide from the rotary joint The connection to the rotary joint is through a choke flange without screws a polarisator to radiate only in horizontal polarization e an antenna ho
27. electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON By following the procedures of paragraph 6 2 3 open the TXRX the Cover Take note of connections displacement in order to be able to reconnect the cables in the proper positions Unscrew contacts and power supply from brushless motor driver Holding the Gearbox with the Motor Unit remove the 4 screws Chapter 9 Figure 9 1 5 pos 4 fixing the group Chapter 9 Figure 9 1 5 pos 1 pos 2 to the support and remove the group To separate the Gearbox from the Motor Unit using the proper hexagonal wrench loose and remove the 4 screws Chapter 9 Figure 9 1 5 pos 5 and loose the screw Chapter 9 Figure 9 1 5 pos 6 Installation 1 2 3 Check for the integrity of the new Gearbox In order to install the Gearbox with the Motor Unit perform the removal operations in reverse order Close the cover following the procedures of paragraph 6 2 3 6 2 5 Replacement of the Brushless Motor Con troller a Required Tools Set of screwdrivers Set of combination wrenches Silicone grease compound 340 Set of torx wrenches b Removal 1 2 4 By following the procedures of paragraph 6 2 3 open the TXRX Cover Disconnect the Brushless Motor Controller Chapter 9 Figure 9 1 4 pos 5 cables taking note of their disposition By means of the proper sock
28. of the generated pulse in accordance with the previous selections This function is performed by the Gate Array which generates the signals TRPS and TRPL when the signal TR is active the signal HVOK is low the 50 MHz clock is present the signal RESET is high the signal LINE is true the signal SLK is high the signal ANTBLK is high Main Line 2 40 VDC The signals TRPS and TRPL are applied to the DRIVER which generates the signals TRPUSH and TRPULL for the Pulse Generator circuit of the SRT Mos Board 3 2 1 7 System Monitor Functions System state monitor Chapter 9 Figure 9 1 22 is performed by this unit Unit is composed of Voltage Monitor Temperature Monitor SLK Safety switch Voltage monitor performs monitoring of power supply voltage level It receives its inputs from the Voltage sensor of the SRT_Power Board Temperature monitor detects temperature values to be processed by the microprocessor which via the Gate Array switches on the fan if the temperature goes too high SLK is a signal from the switch that disables transmission and antenna rotation when the cabinet cover is open The safety switch disables the radar unit from hazardous power supply The safety switch must be set to off when the radar unit is under maintenance to prevent high voltage hazard for operators 3 2 1 8 Performance Monitor Functions The Performance Monitor s function is to monitor Transmi
29. pp 2 9 20 Figure 9 1 19 SRT CONTROL Microprocessor and Gate Array 9 21 Figure 9 1 20 SRT CONTROL Input interface Ne 9 22 Figure 9 1 21 SRT CONTROL Output interface 9 23 Figure 9 1 22 SRT CONTROL Monitor 2 9 24 Figure 9 1 23 SRT RF HEAD Functional block diagram sss 9 25 Figure 9 1 24 SRT RF HEAD E CER 9 26 Figure 9 1 25 SRT RF HEAD RF Detector eee 59 27 Figure 9 1 26 BRUSHLESS CONTROLLER Functional blocks 249 26 Figure 9 1 27 Electronics Rack Particular of the RF 29 29 igure 9128 RE HAs NS 9 30 Figure 9 1 29 Electronics Tack zer meet ertet k Sas 9 31 Figure9 1 30 Bearing reader board 49 32 Figure 9 1 31 Rotary 9 33 Figure 9 1 32 Brushless Motor Controller 2 9 34 Figure 9 1 33 SRT Adapter 9 35 Figure 9 1 34 Replace Magnetron 9 36 Figure 9 1 35 Replace RF Amplifier Limiter Noise amp Power Diode and Circulator 9 37 988 10186 003 iii ARGUS X BAND RADAR SCANNERS WARNINGS WARNINGS IMPORTANT NOTE For correct operation please read this instruction manual carefully before operating the equipment HIGH VOLTAGE Radar equipment includes areas with high voltage which can cause injury or loss of life Danger exists only when the units are opened exposing internal circuits You do not face any danger during norm
30. voltage supplying the Magnetron according to the previous selections The Input Pushing Trigger is TRPUSH and the input Pulling Trigger is TRPULL Both signals come from SRT CONTROL Board The Pulse Circuit Generator is supplied with 700 V from the HVPS Generator Circuit 988 10186 003 3 4 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION To one terminal of the primary windings of the PULSE TRANSFORMER 700 V is applied whilst the second terminal is connected to the MOSFET push and pull The PULSE TRANSFORMER will now generate 6 kV from the secondary windings which is fed to the MAGNETRON For the Magnetron to function it also requires a 6 3 V Filament Voltage This voltage differs slightly depending on the magnetron installed EEV or NJRC and 12 and 25 kW The filament VFIL is applied to a section of the secondary windings of the PULSE TRANSFORMER As result the signal FIL sent to the Magnetron has a potential 6 3 V greater than the K potential While the SRT is Transmitting the CURRENT TRANSFORMER generates the signal MCUR which is used in this circuit to block high voltage to magnetron when current absorbed by magnetron is too high is sent to the Gate Array of the SRT Control Board is sent to the Microprocessor of the SRT_Control Board 3 2 1 5 SRT_Control Board The SRT_CONTROL Board Chapter 9 Figure 9 1 18 is located in the Electronic assy and his function is to control all SRT operations The
31. 0 SCK Sl 988 10186 003 3 2 1 6 3 Microprocessor Output Signals Transmission Trigger Serial Gate Array and EEprom management signals Asynchronous serial transmission Asynchronous Reset 3 2 1 6 4 Microprocessor Input Signals Main bang Video signal level the value is send in serial mode to the Display Unit Information about the Power Level the value is send in serial mode to the Display Unit Magnetron cathode current pulse sample the value is send in serial mode to the Display Unit VFil Voltage value 24 Vco Voltage value 40 to 60 VDC Main Power Voltage value 15 V Voltage value Temperature value the value is send in serial mode to the Display Unit 5 V Voltage value 5 V Voltage value 15 V Voltage value Information about the L N F E status Antenna azimuth pulse Antenna ship reset pulse Asynchronous serial receive Video data Reception Transmission Interrupt Power supply line absence 50 MHz clock Serial Gate Array management signals 3 7 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION PCB CK50 ANTBLK SLK LINE HV OK HV Stop MPLC P1 and P2 S1 selector TR CS1 SCK SO TRSTC RXCOMB PCB DATA BUS NMI IRQ CK10 CS0 CS7 U D INC SWFIL1 2 3 ANTS SPA MPA LPA HVON SWB1 SWB2 TRPS TRPL TR Out IGSTC TXCOMB DIS TX TUNEN and TUNEN PM Out SCK SO 988 10186 003 3 2 1 6 5 Gate Array Input Signal Input for the 50 MHz clock
32. 1 6 Microprocessor and Gate Array 3 5 3 2 1 6 1 General eoo HR E PET Mere e Rep PEE On eden EUER 3 5 988 10186 003 i ARGUS X BAND RADAR SCANNERS CONTENTS 3 2 1 6 2 Functions Performed 4 ree oe etre eene e a os dea eei au eda 3 6 3 2 1 6 3 Microprocessor Output Signals 3 2 1 6 4 Microprocessor Input Signals 3 2 1 6 5 Gate Array Input Signal 3 2 1 6 6 Gate Array Output Signal 3 2 1 6 7 Gate Array Pulse Length Generator 3 2 1 7 System Monitor Functions 32 1 8 Performance Monitor Functions 3 2 1 9 Input and Output 3 10 3 2 1 10 Azimuth AZ and Heading Line HL Signal Circuit Generator 3 10 3221 RE HEAD naa amu tas ka m hu NN 3 11 3 2 3 Brushless Motor Controller n 3 12 9 2 Untung Pe estne beue ed ees 3 12 3 2 5 Optional Equipment SRT Adapter ON 3 13 3 2 6 Optional Equipment Heaters essent eren 3 13 3 2 7 Optional Equipment Encoder sse nennen 3 13 CHAPTER 4 PREVENTIVE MAINTENANCE 4 1 4 1 INTRODUCTION cio qtio ot det eo PR mp RUD reg 4 1 4 2 PREV
33. 3 1 11 ARGUS X BAND RADAR SCANNERS OPERATION CHAPTER 2 OPERATION 2 1 Introduction 2 1 1 Purpose The present chapter provides the operating instructions information and procedures required in order to enable operating personnel to efficiently and effectively operate the ARGUS X BAND Radar System The Chapter is divided into Paragraph 2 2 Controls and Indicators Paragraph 2 3 Semi operative Controls The Unit does not require personnel on steady watch conditions but requires general monitoring during normal operating conditions Since the unit has no operating controls paragraph 2 2 is not applicable All semi operative controls are located inside the unit 2 2 Controls and Indicators Since the unit has no operating controls this paragraph is not applicable 2 3 Semi operative Controls The unit is fitted with some semi operative controls which are accessible when the unit is open Table 2 3 1 Semi Operative Controls Location of TXRX Cabinet Code Ref Assy Function S1 Interlock TXRX cover interlock switch for Electronics Rack disabling the High Voltage generation 988 10186 003 2 1 ARGUS X BAND RADAR SCANNERS OPERATION Table 2 3 2 Semi Operative Controls Location of Electronic Rack Function 10 position It selects the TXRX unit operation mode as rotary follow switch Pos Function SRT under external control 1 SRT under external control 2 SRT in local stand by SRT in lo
34. 3 8 27 ARGUS X BAND RADAR SCANNERS FIGURES CHAPTER 9 FIGURES The following figures and drawings are included after this page Figure 9 1 1 SRT Up mast General View Figure 9 1 2 SRT Up mast External view Figure 9 1 3 X Band Pedestal External View Figure 9 1 4 X Band Pedestal Internal View Figure 9 1 5 Motoreducer assy Figure 9 1 6 Electronics Rack Figure 9 1 7 SRT Functional Block Diagram for 6 Antenna Figure 9 1 8 SRT Internal Connection Figure 9 1 9 SRT Internal voltage and signals Figure 9 1 10 SRT POWER Board Figure 9 1 11 SRT POWER General block Figure 9 1 12 SRT POWER Protection circuits Figure 9 1 13 SRT POWER LVPS circuits Figure 9 1 14 SRT POWER HVPS circuits Figure 9 1 15 SRT MOS Board Figure 9 1 16 SR MOS Block diagram Figure 9 1 17 SRT CONTROL Board Figure 9 1 18 SRT CONTROL Blocks Figure 9 1 19 SRT CONTROL Microprocessor and Gate Array Figure 9 1 20 SRT CONTROL Input interface 988 10186 003 9 1 ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 21 SRT CONTROL Output interface Figure 9 1 22 SRT CONTROL Monitor Figure 9 1 23 SRT RF HEAD Functional block diagram Figure 9 1 24 SRT RF HEAD L N F E Figure 9 1 25 SRT RF HEAD RF Detector Figure 9 1 26 BRUSHLESS CONTROLLER Functional blocks Figure 9 1 27 Electronics Rack Particular of the RF Head Figure 9 1 28 RF He
35. 300 0833 C12 gt Budd eol 21512 OR41 2s Ex E 5 R37 os 12 gt Hoo ac RD 2 H B Qu C16 5 REE 5 9 a ne m 2 5 53 C21 s gt da MI 1 R44 5 ig Em alo U20 o o R49 ap NT coc 4 NOM 222 D amp a um 289 iD el Lo TP9 di fi GEN oa 0853 0023 OG C25 5 ral 4 T H e 024 Ei ad oo x o gt BALL a R55 Sr 5 rm 2 mer mx c sa D C26 R57 0 2 L3 R63 2 ges 212 c27 m s p gt JEg 0 R67 Res ANTSTART R70 NE EEPROM C35 C37 c P12 4 AER 5 75 0 C3 v ER C34 nn SE Mo Ed A 00 C36 x 1632 RE i 00 09 O jeu amp ret ny URS JU 5 S8 TP JROU c49 892 R93 D zy m C44 C45 C470 0R90 0 DCsi 697 m d 58 12 8 R108 5 Pa pe i ae le zu FS 9109 CONSILIUM 570 dag LN E 9 SELESMAR EE 18 OESUUE 973281 41 3 iod n m nm 022 amp 08116 R118 C65 CONTROL R200R12 5 112 3 p Ege 0 D R1200 TUNEN 2 w Ld ved ag m 14 5 EXTTUNE 50 50 C73 m E em x Bo OUT NA 9 myra m DES S e
36. 5 2 1 OPERATIONAL CONTROL SENTENCE 2 2 5 2 5 2 2 SECTOR BEANKINGSENTENCRB u ua entente n E au aaa enne 2 5 2 5 2 3 TIMERS INITIAEIZATION iiec wau muu eer iU e rr dre Sire Gees 2 6 2 5 2 4 DIGITAL POTENTIOMBETBERS tert irr l nto de RR Ra 2 6 2 5 3 DATA TRANSMISSION FROM TXRX CN 2 7 2 5 3 1 STATUS SENTENCE 2 2 7 2 5 3 2 DATA SENTENCE ee 2 8 2 5 3 3 TIMERS INFORMATION 2 8 2 5 3 4 DIGITAL POT INFORMATION Ne 2 9 2 5 3 5 SECTOR BLANKING 2 9 2 5 3 6 WRONG COMMAND RETURN Ne 29 2 5 3 7 HEALTH SENTENCE A E AS AN 2 10 2 5 3 8 DATA SENTENCGCE 3 ite estere Gerda 2 10 2 94 GENERAENOTES Aden st edet et esed e e 2 11 CHAPTER 3 FUNCTIONAL DESCRIPTION 3 1 3 1 INIRODUGCTIONA 3 1 3 2 FUNCTIONAL DESCRIPTION iU PO EDO eive ene 32 324 BECOME RAGE ir yi Art 3 2 32 1 1 SRI Power Board i e tp e REPRE T ERO AG 3 3 32 1 2 SRT Power Low Voltage Power SUpP1y sessi 3 3 3 2 1 3 SRT Power High Voltage Power Supply Ne 3 3 32 1 4 SRT Mos Board ae 3 4 3 2 1 5 SRT Control BO rd 5 m ra re EUR AEE 3 5 3 2
37. 679911111111112222222 1234567891 111111111 222222222233333 01234567890125455 0183456789018345578901834 5 FI 6 1 7 2 8 a 4 10 SRT CONTROL BOARD 12 1 BEARING READER BOARD TRS 1 1 SEGRE TUNE IN TES TR PULL TR PUSH MCUR Interlock jS E Jis J18 317 5 7 5 2 1 a gt 12345678911111111112 01234567890 j JE 28 DETECTOR ASSY TR PULL TR PUSH M CURR 790 FL2 FL3 FL4 SRT MOS BOARD HVS FLS TEL FL 191 MAGNETRO mL a es K Yellow ARM 988 10186 003 9 10 ARGUS X BAND RADAR SCANNERS FIGURES PWON Start Speed Vel 2 Control 150 24 STC lt 5 SRT Power SRT Control 2 SPA SEE RF Amplifier PA HV STOP s s eg Mer ee i lt s X H lt lt 2 lt 5 5 SRT Mos Figure 9 1 9 SRT Internal voltage and signals 988 10186 003 9 11 ARGUS X BAND RADAR SCANNERS FIGURES
38. Bearing Reader mechanical frame 5 Remove the Bearing Reader Board Installation 1 Check for the integrity of the new Bearing Reader Board 2 In order to install the Bearing Reader Board perform the removal operations in reverse order 3 Close the cover following the procedures of paragraph 6 2 3 6 2 10Replacement of the Performance Monitor a Required Tools Set of hexagonal wrenches Silicone grease compound 340 Set of combination wrenches b Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON 2 Using the appropriate wrenches remove the 4 screws Chapter 9 Figure 9 1 3 pos 5 3 Remove the Performance monitor Chapter 9 Figure 9 1 3 pos 6 Installation 1 Check for the integrity of the new Performance Monitor 2 In order to install the Performance Monitor perform the removal operations in reverse order 988 10186 003 6 11 ARGUS X BAND RADAR SCANNERS PARTS LIST CHAPTER 7 PARTS LIST 7 1 Introduction This chapter provides the list of the SRT 12 25 kW X BAND replaceable parts 7 1 1 Parts List The parts list is divided into major assemblies All parts attached to the assemblies are listed in Part List Tables The Parts List Tables consist of eight columns as follows Column 1 POS Position the column indicates the replaceable parts position in the reference figu
39. DAR SCANNERS INSTALLATION 8 5 Multicore Cabling and Termination Prin ciple Special extensive illustrated instructions are included in this paragraph 55X456P001 MULTI CORE CABLING AND TERMINATION PRINCIPLES FOR e SRT X Band Antenna Group including 6 9 or 12 feet Antenna and Pedestal with 12 kW Transceiver Upmast e SRT X Band Antenna Group including 6 9 or 12 feet Antenna and Pedestal with 25 kW Transceiver Upmast 988 10186 003 8 21 ARGUS X BAND RADAR SCANNERS ANNEX Installation Instructions Multicore Cable Technical Specification Core overview of Multicore Cable AM113L330 R AM113L330 B AM113L280 Bk SEPARATOR TAPE Bk Black PEH22J21T Power supply leads Black 1 5mm Black 2 5mm Shield RJR37 4 shielded AN EE twisted pair Ground cable 2 5mm po Coax RKB15 Power supply leads Red 0 35mm Red 1 5mm Blue 0 35mm Red 2 5mm White 0 35mm 988 10186 003 8 22 ARGUS X BAND RADAR SCANNERS ANNEX Cable handling e Remove 60 cm of the outer insulation of the cable e Remove most of the shield down to 5 cm as indicated 5 cm remaining e Remove the main protective film and pull the shield over the cable outer isolation as illustrated 988 10186 003 8 23 ARGUS X BAND RADAR SCANNERS ANNEX Main Shield and inner shields handling Remove the metallic film from each twisted pair cables and pass the 4 ground wi
40. ENTIVE MAINTENANCE PROCEDURE ee 4 1 Table 4 2 1 List of Recommended Tools and 4 2 Table 4 2 2 List of the Preventive Maintenance Cards sse 4 2 CHAPTER 5 TROUBLESHOOTINGCG 5 1 SJ s INTRODUCTION RR GEOP ORE CER ORE RI a S 5 1 5 1 1 Generali EAE herr td a a aa e Ud M RS E a a n EE 5 1 SLI 0 5 1 Personnel cuv ne ui lat 5 1 5 1 4 Tools and Instruments au au uuu enne rennen nens 5 1 Table 5 1 1 List of Recommended Instruments 5 1 5 2 TROUBLESHOOTING 5 2 5 2 Safety Precautiohsa esee Qe gie a QA 5 2 5 2 2 Troubleshooting Operations irora eiieeii iisa um G S aguas 5 2 Table 5 2 1 List Of Main Possible FailuregS pp 5 3 CHAPTER 6 CORRECTIVE MAINTENANCE 6 1 6 1 GENERAL ssen ALT ark ae Ba 6 1 aa IIS 1 64 2 Safety Precautions Geddes re de baee re beoe erroe 6 1 64591 6 1 6 1 4 Required Tools and 1 eene ee
41. INJURIES BE AWARE OF HIGH VOLTAGE CAPACITORS IT IS NECESSARY TO SHORT CIRCUIT THEIR LEADS BEFORE WARNING PERFORMING ANY MAINTENANCE ACTION ON THEM WARNING ON THE ELECTRIC SWITCHBOARD SET THE POWER BREAKER DEDICATED TO THE PRESENT EQUIPMENT TO OFF AND ATTACH SIGN READING WORK IN PROGRESS DO NOT SWITCH ON WARNING USE EXTREME CARE WHEN WORKING ON THE EQUIPMENT ONCE THE UNIT HAS BEEN OPENED THE MAGNETRON ASSEMBLY OPERATES AT HIGH VOLTAGES THAT MAY CAUSE FATAL INJURIES WARNING SET MAIN LINE BREAKER TO OFF BEFORE REPLACING ANY FUSE FUSES ARE AT VOLTAGE LEVELS WHICH MAY CAUSE FATAL INJURIES 988 10186 003 4 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS CHAPTER 1 DESCRIPTION AND MAIN CHARACTERISTICS 1 1 Introduction 1 1 1 Manual Applicability The present technical manual provides information data and procedures relevant to general description operation functional description scheduled maintenance troubleshooting corrective maintenance and replaceable parts list of the ARGUS X Band RADAR scanners consisting of 12 kW or 25 kW pedestal and 6 9 or 12 feet antenna For brevity of description reference to the equipment in this manual can also be made by means of the Manufacturer code name ARGUS X Band RADAR SYSTEMS with 12 or 25 kW Pedestal with 6 9 or 12 Feet Antennas Chapter 9 Figure 9 1 4 pos 8 The contents of the present technical manual are a
42. IS NOT STRICTLY FOLLOWED IT COULD RESULT IN SEVERE INJURY OR DEATH OF PERSONNEL WARNING IF THIS IS OPERATING PROCEDURE MAINTENANCE PROCEDURE PRACTICE CONDITION OR STATEMENT IS NOT STRICTLY FOLLOWED IT COULD RESULT IN DAMAGE OR DESTRUCTION OF UNIT OR LOSS OF EMISSION EFFECTIVENESS CAUTION IF THIS IS OPERATING PROCEDURE MAINTENANCE PROCEDURE PRACTICE CONDITION OR STATEMENT IS NOT STRICTLY FOLLOWED IT COULD RESULT IN INJURY OF PERSONNEL OR PROPERTY DAMAGE 988 10186 003 2 ARGUS X BAND RADAR SCANNERS WARNINGS NOTE Advice of an essential operating procedure maintenance procedure condition or statement which must be followed Whenever a precaution relating specific part of the technical manual is needed precaution information is given in the relevant part of the manual Warning and Caution Signs precede applicable text Safety Operations During normal operation unit closed the unit can be quickly disconnected from the main power line switching OFF the main circuit breaker located on the electric switchboard During maintenance unit opened it is possible to turn on the unit by linking P1 on SRT Power Board Chapter 9 Figure 9 1 10 pos 1 This link forces the unit main power to be ON During normal operation P1 on SRT Power Board must be OPEN NOTE The main power line is always present on the terminal board Safety Summary The following general safety precautions are not related to any
43. Integer value to pre set the operated time LSB is equal to 1 hour If Command 1 1 or Command 1 3 don t care 2 5 2 4 DIGITAL POTENTIOMETERS PDPC a x x hh lt CR gt lt LF gt Potentiometer increment signed value 3 Potentiometer ID 2 R potentiometer value Request F potentiometer Factory preset else NULL A auto adjust Notes 1 Factory preset is available for latest TX RX versions 2 Pot ID Potentiometer to be upgraded 0 PRE STC AMPLITUDE 1 PRE STC SLOPE 2 P M OPEN 3 P M DISTANCE Power Level 4 TUNING INTICATION 5 TUNE OFFSET 6 NOISE DIODE CURRENT 988 10186 003 2 6 ARGUS X BAND RADAR SCANNERS OPERATION 3 Increment or decrement to apply range 7 NEVER SEND 0 If A with pot id adjust only the correspondent Pot not yet If A without pot id adjust all the auto adjustable Tune offset for now Sentence should be sent under operator request only Application of value is immediate but storage of this one not volatile memory will take place after 20 seconds from last change i e from last DPC sentence reception 2 5 3 DATA TRANSMISSION FROM TXRX TO RDC 2 5 3 1 STATUS SENTENCE 2 PST2 x a aa aaa a a a a a hh a a a hh lt CR gt lt LF Ler Protocol Version Starting from A Empty Field MGN Heater W warm C cold else NULL N A A Automatic Tuning ON else NULL OFF Manual Tuning Adjust If Automatic NULL Don t care P Performance Monitor Av
44. Pre Setup Procedures su e hana sS tee ede p RS NT 8 9 8 3 4 1 Ship POWEL VOLTAGE s oce eve nte A emer ed 8 9 8 3 4 2 Compass Safe Distance aeter e eerte ae tete edis trie dae Le ede 8 10 8 4 INSTALLATION FIGURES AND DRAWINGS n 8 10 8 5 MULTICORE CABLING AND TERMINATION PRINCIPLE 8 21 9 lt 050222 9 1 Figure 9 1 1 SRT Up mast General 1 eee eene 9 3 Figure 9 1 2 SRT Up mast External VieW eene 94 Figure 9 1 3 Pedestal External View 9 5 Figure 9 1 4 Pedestal Internal View eese 9 6 Figure 9 1 5 4 Motor ducerassyrssnsts ras GRE 9 7 Figure 9 1 6 Electronics Rack ee 9 8 Figure 9 1 7 SRT Functional Block Diagram for 6 Antenna 99 Figure 9 1 8 SRT Internal Connection 9 10 Figure 9 1 9 SRT Internal voltage and signals 2 9411 Figure 9 1 10 SRT POWER Board 9 12 Figure 9 1 11 SRT Power General block 2 9413 Figure 9 1 12 SRT POWER Protection 9 14 Figure 9 1 13 SRT POWER LVPS circuits ene eren 9 15 Figure 9 1 14 SRT POWER HVPS circuits 9 16 Figure 9 1 15 MOS Board teen teen trennen nennen nenne tene 9 17 Figure 9 1 16 SRT MOS Block diagrapna pp 2 9 18 Figure 9 1 17 SRT CONTROL Board 9 19 Figure 9 1 18 SRT CONTROL BlocKS
45. RT 25 002 SRT 25 002 SRT 25 002 SRT 12 003 SRT 12 003 SRT 25 003 SRT 25 003 Antenna swing circle cm 265 362 mme sf gt ee 988 10186 003 1 9 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 3 X Band Transceiver Technical Specifications rarer mo 9375 30 or 9410 30 X Band IF amplifier Logarithmic IF dynamic dB 100 30 pre STC IF center frequency MHz IF bandwidth MHz short pulse medium pulse long pulse Overall noise figure nominal dB MDS on long pulse dBm lt 110 lt 100 Overall at receiver level At IF level lt 110 IA 41 generation magnetron is 10 5 kW NJRC is 12 kW 4 Environmental features Operating temperature 25 C 55 in IEC 60945 Storage temperature 25 70 in IEC 60945 Relative humidity Up to 95 at 40 As for IEC 60945 Vibrations As for IEC 60945 Water proof according to Wind resistance KT 988 10186 003 1 10 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 6 Weights kg Antennas 6X 9X 12X 7 Required Power Supply Standard configuration 24 VDC or 115 220 VAC Ca 350 W Peak at maximum wind load Options Different PRF set Upon Customer request Heaters For very cold environments lt 25 1024 pulses Upon Customer request 988 10186 00
46. SRT_CONTROL Board is divided in the following main circuits Microprocessor and Gate Array System monitor Performance Monitor Input and Output Interface 3 2 1 6 Microprocessor and Gate Array 3 2 1 6 1 General Description PCB The heart of the SRT Control Board is an advanced 32 Bit MCU Micro controller Unit Chapter 9 Figure 9 1 18 with highly sophisticated on chip peripheral capabilities performing the function of managing all functions of the SRT unit on the basis of commands data from the Display Unit preparing the feed back signals to be sent out to the Indicator unit executing all internal processing to assure the SRT units control and monitoring 988 10186 003 3 5 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION The Microprocessor MCF5211 used in the board has these characteristics 16 KB SRAM 128 KB Flash Memory Two UARTs serial peripheral interface QSPI with four peripheral chip selects Four 32 bit timer channels with DMA capability Four 16 bit timer channels for capture compare and pulse width modulation PWM Four channel 16 bit 8 channel 8 bit PWM generator Two periodic interrupt timers PITs for alarm and countdown timing Eight channel 12 bit ADC System integration PLL SW watchdog Up to 33 general purpose I O The SRT unit management is performed by the Microprocessor which includes sufficient memory
47. ad Figure 9 1 29 Electronics rack Figure 9 1 30 Bearing reader board Figure 9 1 31 Rotary joint Figure 9 1 32 Brushless Motor Controller Figure 9 1 33 SRT Adapter Box Figure 9 1 34 Replace Magnetron Figure 9 1 35 Replace RF Amplifier Limiter Noise amp Power Diode and Circulator 988 10186 003 9 2 D RADA FIGURES Nah mS An mr ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 2 SRT Up mast External view 988 10186 003 9 4 X BAND RADAR FIGURES Figure 9 1 3 X Band Pedestal External View ARGUS X BAND RADAR SCANNERS FIGURES Fa cz d RE bee 5 Figure 9 1 4 X Band Pedestal Internal View 9 6 988 10186 003 ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 5 Motoreducer assy 988 10186 003 9 7 ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 6 Electronics Rack 9 8 988 10186 003 ARGUS X BAND RADAR SCANNERS FIGURES Speed Brushless Control Motor SRT Control SRT_Power SRT Mos Figure 9 1 7 SRT Functional Block Diagram for 6 Antenna 988 10186 003 9 9 ARGUS X BAND RADAR SCANNERS FIGURES
48. agraph 6 2 8 remove the Electronics Assy 6 By performing the operations of paragraph 6 2 7 remove the RF Head 7 By means of the proper screwdriver remove the 4 torxs screws Chapter 9 Figure 9 1 27 pos 2 fixing the Magnetron 8 Remove the Magnetron Installation 1 Before fastening the Magnetron to the proper seat spread a layer of silicone grease on Magnetron surface which is in contact with the alloy in order to increase the Magnetron heating surface dissipation 988 10186 003 6 6 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 2 In order to install the new Magnetron perform the removal operations in reverse order 3 IN ORDER TO PREVENT ANY ACCIDENTAL ROTATION OF THE ANTENNA DISCONNECT THE MOTOR UNIT FROM THE BRUSHLESS CONTROLLER BOARD AND UNPLUG THE 5 PIN CONNECTOR 4 On the electric switchboard set to ON the Main Line Break relevant to the unit and remove the warning card 5 Position the selector S1 of SRT Control Board Chapter 9 Figure 9 1 17 pos 5 on position 2 6 On the SRT Power board made a link P1 Chapter 9 Figure 9 1 10 pos 1 before switching on wait for 30 minutes 7 By following the procedures of display manual perform the VCO calibration 8 Perform the following operations on the SRT Power remove the link P1 Chapter 9 Figure 9 1 10 pos 1 on SRT Control Board position S1 Chapter 9 Figure 9 1 17 pos 5 on 0 zero 9 Unlock and close the equipment cov
49. ailable else NULL N A S Service Mode A Auto Adjust else NULL OFF W Warm Up R Ready X X Band S S Band Transceiver J Jitter ON else NULL OFF Antenna Rotating ON with xx RPM 01 60 else NULL OFF Transceiver status M Acknowledge Master S Slave 2 Transceiver Number Notes 1 Transceiver Number 1 2 3 4 NULL in stand alone TXRX 2 Master Slave acknowledge NULL in stand alone TXRX Transceiver status Field type Field Descriptions SB Stand By SH Short pulse High frequency SM Short pulse Medium frequency SL Short pulse Low frequency MM Medium pulse Medium frequency ML Medium pulse Low frequency LL Long pulse Low frequency 988 10186 003 2 7 ARGUS X BAND RADAR SCANNERS OPERATION 2 5 3 2 DATA SENTENCE PDAT hh hh hh xxx xx xxx x hh lt CR gt lt LF gt x Software Revision From A to Z Warm Up time 2 Txrx Program Software Version gt 80 Inner transceiver temperature 1 Magnetron Peak Current Range 00H FFH Main Bang Amplitude Range 00H FFH Power Level Range 00H FFH Notes 7 Transceiver temperature From 99 to 99 Celsius degree signed value 2 Warm Up time calculated in seconds when null becomes TXRX READY Value of power level main bang and magnetron peak current during sector blanking are frozen 2 5 3 3 TIMERS INFORMATION PTIM c c x X X X X X X X X X X X X X X X X X X a hh lt CR gt lt LF gt Timers validity A v
50. al operation The ARGUS X Band Radar System has been carefully designed to protect personnel from possible injury from high voltages at normal operation When inspecting or servicing the equipment nevertheless it is recommended that the Line Switch is left open as an added protection As every effort has been made to eliminate danger to personnel no responsibility is accepted for any injury or loss of life suffered in connection with the equipment RADIO FREQUENCY RADIATION Harmful effects particularly to the eyes may be caused by exposure of any part of the human body to radio frequency power densities Hazard distances at which power densities of 100 W m 50 W m and 10 W m exist are given in the following table 7 Distance to 100 W Distance to 50 W Distance to 10 W Configuration Heter papa m point m m point m m2 point m 12 kW Transceiver 6 E 0 15 0 6 X Band Antenna 12 kW Transceiver 9 E 0 5 X Band Antenna 12 kW Transceiver 12 0 35 X Band Antenna 25 kW Transceiver 6 0 1 0 2 1 3 X Band Antenna 25 kW Transceiver 9 0 1 1 0 X Band Antenna 25 kW Transceiver 12 0 05 0 9 X Band Antenna Note 12 KW transceiver SRT 12 002 SRT 12 003 25 KW transceiver SRT 25 002 SRT 25 003 or SRT PED 001 The system however is designed to always disable the microwave radiation when the antenna is not rotating The pedestals have also been pre
51. alid V invalid System timer Timer M Pulse Low Freq Timer S Pulse Low Freq Timer S Pulse Medium Freq Timer L Pulse Low Freq e Timer M Pulse Medium Freq Timer S Pulse High Freq Timer Standby Status 3 Status 2 Status 1 Notes Status 1 Magnetron Type label Status 2 2 Integer value indicating the magnetron end of life from 0 to 999 gt 100 mean end of life Status 3 Spare C Timers Integer value indicating the operated time LSB is equal to 1 hour System Integer value indicating lifetime of transceiver LSB is equal to 1 hour 988 10186 003 2 8 ARGUS X BAND RADAR SCANNERS OPERATION 2 5 3 4 DIGITAL POT INFORMATION PDPI xx xx XX XX XX XX XX hh lt CR gt lt LF gt Pot ID 6 PM Noise diode current Pot ID 5 Tuning Offset Pot ID 4 Video Level Pot ID 3 Performance Monitor Amplitude Pot ID 2 Performance Monitor Opening Pot ID 1 STC Slope Pot ID 0 STC Amplitude Notes Potentiometer decimal Value Range 0 99 2 5 3 5 SECTOR BLANKING SENTENCE PSE2 x x x x x x x xX hh CR LF End Sector 2 Start Sector 2 End Sector 1 7 Start Sector 1 Notes 7 Start amp End Sector units are degree Es 90 6 2 5 3 6 WRONG COMMAND RETURN NACK PNAC x aaa xx xx hh lt CR gt lt LF gt Wrong field 3 Error Code Refused Sentence if recognized 1 Transceiver Number as sentence STS or NULL in stand alone TX RX Notes 1 See list of accepted se
52. be installed on different levels The antennas can be mounted either on a single mast construction so they are on top of each other as illustrated in Figure 2 Suggested Masthead Antenna mounting or the antennas can be mounted on a platform Figure 3 Suggested Antenna mounting one on portside and one on starboard side The following formula and drawing as illustrated in Figure 4 Antenna Positions will help you to determine the correct distance and height between the two radar antennas The 45 angle on the drawing is the actual vertical beam width with a safety margin included Example H L H height between the two antennas L the distance between the two antennas If the distance L is 6 m then the height should be 6 m Blind sectors towards the bow and within a few degrees on port and or starboard side caused by the structure of the ship must be avoided with great care In case of a blind sector at the bow in mid ships position it is advisable to mount the antennas on the starboard side of the ships keel line When obstacles are sufficiently far from the antenna they will result in a blind sector on the radar display with approximately the same amplitude as observed by the human eye but these obstacles can produce false echoes An echo produced by an obstacle close to the antenna can be suppressed by reflecting the antenna beam skywards by mounting a reflector made of metal as also illustrated in Figu
53. cal with short pulse SRT in local with medium pulse SRT in local with long pulse SRT in local with long pulse and performance monitor with auto tuning and antenna rotation LED green 24 VDC Figure 3 DL2 LED green 5 VDC OK 9 1 10 4 DL3 LED red High Voltage OK 9 1 10 Table 2 3 3 Semi Operative Controls Location of Brushless Motor Controller Fig Pos Code Type Function Fi DL1 LED green 50 VDC OK igure 1 9 1 32 Figure It indicates the status of the controller 9 1 32 LED red Light on motor in OFF or controller in protection Light off motor in rotation 988 10186 003 2 2 ARGUS X BAND RADAR SCANNERS OPERATION 2 4 I O Requirements In this paragraph are reported the minimum and maximum values of input and output related to the Argus X Band Radar System The table has been divided into 3 columns SIGNAL NAME Type of Signal analyzed TYPE Identifies the type of signal being analyzed DESCRIPTION TYPE Reference values that should appear during the measurement in case of correct operation Table 2 4 1 Requirements for Upmast configuration Signal name Type Description type POLARITY Positive AMPLITUDE 1 to 4 Vpp adjustable VDOUT LOAD Terminated 75 always present on PCB BANDWIDTH 2 5 24 MHz 3 db DC LEVEL OV POLARITY Positive AMPLITUDE TTL to 8 V LOAD Terminated 75 O always present on PCB TROUT PRF 3000
54. capacity to store the Operative Program It is using an external U30 EEPROM Chapter 9 Figure 9 1 17 pos 7 for storing transmitting parameters The necessary clock pulse of 50 MHz is generated by the crystal oscillator In Chapter 9 Figure 9 1 19 shows the Microprocessor and Gate Array general configuration the main sub systems and how they relate to the pins of the MCU 3 2 1 6 2 Functions Performed The main functions performed by the Microprocessor with the Gate Array Chapter 9 Figure 9 1 20 and Figure 9 1 21 on the basis of commands and selections Remote from Display Unit or Local Through the Selector are to initialize the TXRX operations to generate the trigger pulse for SRT MOS Board and the trigger TR pulse for the Display Unit and the P M function to generate the PRESTC waveform for the RF Detector Assy STC and the selection commands for band width of Receiver to generate the VCO forwarded to Mixer the control signals forwarded to SRT MOS and SRT Power Boards to receive the signals controlling the Antenna rotation to perform the processing of various sensor signals in order to monitor the correct operations of the TXRX unit 988 10186 003 3 6 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION PCB TR CSO CS1 SCK SO TX RES PCB VDLEVEL PWLEVEL MCUR VFIL M 24 VCOM 12VT 15M TEMP 5VM 5VM 15VM Monitor M AZ HL RX IRQ NMI CK1
55. cated refer to Chapter 6 for its replacement 5 1 3 Personnel The personnel involved in the troubleshooting procedures must be of a skilled technician type and must have a good knowledge of the equipment 5 1 4 Tools and Instruments To perform the troubleshooting procedures besides common tools screwdrivers pliers etc the following instruments are required Table 5 1 1 List of Recommended Instruments Pos Description Type Note 1 Digital Multimeter CHAUVIN ARNOUX or equivalent CPA 9651 3 5 2 Oscilloscope Tektronix or equivalent 988 10186 003 5 1 ARGUS X BAND RADAR SCANNERS TROUBLESHOOTING 5 2 Troubleshooting Procedures 5 2 1 Safety Precautions WARNING SET THE SAFETY SWITCH TO OFF AND HANG UP A CARD READING WORK IN PROGRESS DO NOT SWITCH ON WARNING OPERATE WITH CARE ON THE TXRX UNIT BECAUSE OF HIGH VOLTAGES AND HIGH POWER 5 2 2 Troubleshooting Operations Table 5 2 1 List Of Main Possible Failures describes the failures that may be observed during the operation of the equipment If any type of failure occurred that is not listed please contact a Simrad Product Expert 988 10186 003 5 2 ARGUS X BAND RADAR SCANNERS TROUBLESHOOTING Table 5 2 1 List Of Main Possible Failures LL 5 2 e 5 2 ic 5 8 ol 3
56. e Preventive Maintenance operations REQUIRED TIME it indicates the total time required to perform the card operations SAFETY PRECAUTIONS it indicates the precaution to be followed in order to ensure a safe Preventive Maintenance operation execution 988 10186 003 4 1 ARGUS X BAND RADAR SCANNERS PREVENTIVE MAINTENANCE Table 4 2 2 List of the Preventive Maintenance Cards for each of them indicates the interval and the required time Table 4 2 1 List of Recommended Tools and Instruments P Description Type 1 Set of screwdrivers USAG Insulated handle 2 Set of combination wrenches USAG 3 Set of socket wrenches USAG 4 Set of socket hexagonal USAG 5 Set of socket torxs USAG 6 Set of hexagonal wrenches USAG 7 Set of allen wrenches with end ball USAG 8 Set of torx wrenches USAG 9 Set T handle wrenches with swivelling USAG hexagon sockets 10 Set T handle wrenches with swivelling USAG hexagonal sockets 11 Circlip pliers USAG For shaft from 3 to 100 mm 12 Set of communication tools 13 30 W welders 14 Electric Solder Iron 15 Desoldering tool SILVERSTAT 16 Vacuum cleaner 17 Digital multimeter CHAUVIN ARNOUX or equivalent CPA 9651 3 5 18 Oscilloscope Tektronix Table 4 2 2 List of the Preventive Maintenance Cards en Pin 1 Check the External Preservation Status 2 Internal Inspection and General Cleaning D p 3 Replacement of the Magnetron WR1
57. e antenna rotation speed The interface with the radar console is through a single connector and it is not necessary to open the transceiver cabinet during installation All analog adjustments are made remotely from the Argus console The pedestal with built in 12 KW or 25 kW transceiver supports 67 97 12 antennas Both Transceiver and motor are powered from a 48 VDC supplied from the core unit an external transformer is required for 115 220 VAC 50 60 Hz power supply The Transceiver features new compact electronics with a high integration level derived from a well tested design Main features Modular and solid state construction Electronic Modulator based on MOSFET technology Long life 34 41 generation magnetron 10 12 kW and 25 kW Low Noise Amplifier providing a reduced overall Noise Figure 4 0 dB nominal Microcomputer controlled operations Serial link with telemetry and remote control for adjustments Built in test facilities for power supply and modulator parameters jittering removing any possible ambiguity due to multiple time around echoes Two different Blanking Sectors to be set at time of installation Performance Monitor Rotation 20 and 40 RPM selectable 988 10186 003 1 8 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 2 Antenna amp Driver Technical Specifications Antenna Unit Type 6 ft X P 9 ft XP 12 ft X P Driver amp Transceiver I N SRT 12 002 SRT 12 002 SRT 12 002 S
58. eck for the integrity of the new part installed 2 In order to install the new part installed perform the removal operations in reverse order without closing the SRT X Band cover 3 By following the procedures of display manual perform the VCO calibration 4 Close the Pedestal cover following the procedures of paragraph 6 2 3 6 2 8 Removal Installation of the Electronics Assy a Required Tools Set of screwdrivers Set of combination wrenches Set of hexagonal wrenches Set of allen wrenches with ends ball Set of torx wrenches Set T Handle wrenches with swiveling hexagon sockets Set T Handle wrenches with swiveling hexagonal sockets Silicone grease compound 340 b Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON 2 By performing the operations of paragraph 6 2 3 open the SRT cover 3 Unscrew the 4 screws holding protection shield Chapter 9 Figure 9 1 6 pos 4 4 By means of the proper screwdriver remove the Magnetron wires from the terminal Chapter 9 Figure 9 1 15 pos 1 tacking note of their disposition 1 Unplug yellow and green cables loosing the 2 bolts 2 Unplug the yellow green earth cable 5 Remove the Electronics Rack cabling connectors taking note of their position Table 6 2 2 Connectors of the Electronics Rack describes connectors to be removed and their po
59. er by following the reverse procedure 6 2 7 Replacement of the RF Head a Required Tools Set of screwdrivers Set of allen wrenches with ends ball Set of combination wrenches Set of torx wrenches Silicone grease compound 340 Set T Handle wrenches with swiveling hexagon sockets Set T Handle wrenches with swiveling hexagonal sockets b Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON 2 By following the procedures of paragraph 6 2 3 open the TXRX Cover 3 Unscrew the 4 bolts holding protection shield Chapter 9 Figure 9 1 6 pos 4 4 By means of the proper screwdriver remove the Magnetron wires from the terminal Chapter 9 Figure 9 1 15 pos 1 tacking note of their disposition e Unplug yellow and green cables loosing the 2 bolts e Unplug the yellow green earth cable 988 10186 003 6 7 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 5 Disconnect the RF Head Chapter 9 Figure 9 1 28 cabling taking note of its disposition 6 By performing the operations of paragraph 6 2 8 remove the Electronics Assy 7 Using the proper allen wrenches with ends ball loose 4 screws Chapter 9 Figure 9 1 34 pos 2 8 Holding the RF Head remove the 2 screws Chapter 9 Figure 9 1 34 pos 1 with proprer allen wrenches with ends ball 9 Extract the RF Head Chapter 9 Fi
60. et wrench unscrew the 4 screws Figure 9 1 4 pos 10 fixing the Brushless Motor Controller to the mechanical frame Remove the Brushless Motor Controller 988 10186 003 6 5 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE Installation 1 Check for the integrity of the new Brushless Motor Controller 2 In order to install the Brushless Motor Controller perform the removal operations in reverse order without closing the cover 4 Close the cover following the procedures of paragraph 6 2 3 6 2 6 Replacement of the Magnetron a Required Tools Set of screwdrivers Set of allen wrenches with ends ball Set of combination wrenches Set of torx wrenches Set T Handle wrenches with swiveling hexagon sockets Set T Handle wrenches with swiveling hexagonal sockets Silicone grease compound 340 b Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON 2 By following the procedures of paragraph 6 2 3 open the TXRX Cover 3 Unscrew the 4 bolts holding protection shield Chapter 9 Figure 9 1 6 pos 4 4 By means of the proper screwdriver remove the Magnetron wires from the terminal Chapter 9 Figure 9 1 15 pos 1 tacking note of their disposition e Unplug yellow and green cables loosing the 2 bolts e Unplug the yellow green earth cable 5 By performing the operations of par
61. g Figure 4 Antenna Positions Figure 5 Dimension Drawing Figure 6 SRT Pedestal Schematic blocks Figure 7 Main Connector Drawing Figure 8 Cable termination Figure 9 SRT Pedestal Control Board Figure 10 SRT Control Board Service switch Figure 11 Safety Switch optional 988 10186 003 8 10 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 1 Lifting by crane WARNING Never pass or stay under any lifted object 988 10186 003 8 11 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 2 Suggested Masthead Antenna mounting top view reflecting plate inclined 30 with respet to vertical axis ifs vertical dimension and position should be sufficient to reflect antenna beam assumed fo be 30 988 10186 003 8 12 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 3 Suggested Antenna mounting SUGGESTED ANTENNA MOUNTING r pex cd E E EE RE hic Y 1 44 antenna base plane d cf 150 hand grip D ae foot ring iron steps RA 2 T 3 CN mast EG for location of holes see outline drawing relative To each antenna unir NOTE ihis type of pole masi wiih safety rings should only be used for heights up 4 meters forwara NOTE all dimensions are in m
62. ges necessary to supply the SRT electronic circuits As input the circuit receives 50 VDC This voltage filtered and stabilized by suitable solid state components outputting 5V 5 V 15 V 15 V 15 V Iso 24V to supply all the other electronic circuits Magnetron Heather in accordance with selected Pulse and magnetron type 3 2 1 3 SRT_Power High Voltage Power Supply The H V P S Generator Circuits function Chapter 9 Figure 9 1 14 is to generate the high voltage 700 V for the pulse transformer and to the Magnetron for transmission The signals used in this circuit are 50 VDC VMOD HVON from Gate Array of SRT Control Board Long Pulse Adjustment MPA Medium Pulse Adjustment and SPA Short Pulse Adjustment from Gate Array of SRT Control Board 988 10186 003 3 3 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION HVSTOP from SRT MOS board The H V P S High Voltage Power Supply starts up when the signal output from the COMPARATOR is active And the signal is active when the signal HVON from the Gate Array of SRT Control Board is LOW This signal is forced to high inactive when o min period isn t yet passed since TXRX has been turned on TXRX is in standby mode o Safety switch or interlock is open o 15V is lt 14V 2 16V o VFil 6 3V is lt 5V 7V input voltage supply is over 40 VDC signal HVSTOP is Low which disables the functi
63. gure 9 1 28 from the cover 6 2 7 1 Replace RF Amplifier 1 By performing the operations of paragraph 6 2 7 remove the RF Head 2 Holding the RF Amplifier Chapter 9 Figure 9 1 28 pos 1 remove the 4 torx screws Chapter 9 Figure 9 1 35 pos 1 with proprer torx wrenches 3 Remove the RF Amplifier 6 2 7 2 Replace Limiter and Noise Diode 1 By performing the operations of paragraph 6 2 7 remove the RF Head after that the RF Amplifier 2 Holding the Limiter Chapter 9 Figure 9 1 28 pos 2 and Noise Diode Chapter 9 Figure 9 1 28 pos 3 remove the 4 screws Chapter 9 Figure 9 1 35 pos 2 with proprer wrenches holdin 3 bolt Chapter 9 Figure 9 1 35 pos 3 3 Remove the Limiter and the Noise Diode 6 2 7 3 Replace Circulator 1 By performing the operations of paragraph 6 2 7 remove the RF Head after that the RF Amplifier Limiter and Diode Noise 2 By performing the operations of paragraph 6 2 6 remove the Magnetron 3 Holding the Circulator Chapter 9 Figure 9 1 28 pos 4 remove the 4 screws Chapter 9 Figure 9 1 35 pos 4 with proprer wrenches 4 Remove the Circulator 6 2 7 4 Replace Power Diode 1 By performing the operations of paragraph 6 2 7 remove the RF Head 2 Holding the RF Head remove the 4 screws Chapter 9 Figure 9 1 35 pos 4 with proprer wrenches 3 Remove the Power Diode 988 10186 003 6 8 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE Installation 1 Ch
64. he bolts Chapter 9 Figure 9 1 2 pos 2 fixing the Antenna Chapter 9 Figure 9 1 2 pos 3 to the Pedestal Chapter 9 Figure 9 1 2 pos 1 Installation 1 2 Check for the integrity of the new Antenna In order to install the Antenna perform the removal operations in reverse order 6 2 3 Opening Closing of the TXRX Cover a Required Tools Set of hexagonal wrenches Silicone grease compound 340 b Opening 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON 2 By hands rotate the Antenna Chapter 9 Figure 9 1 2 pos 3 orthogonally with respect to the cover opening direction as shown in Chapter 9 Figure 9 1 1 3 Unscrew the four screws Chapter 9 Figure 9 1 4 pos 1 locking the cover Figure 9 1 4 pos 2 and open it carefully c Closing 1 Check for the integrity of the cover seal Figure 9 1 4 pos 3 and eventually replace it 2 Unlock the cover by releasing the locking device and close the cover 3 Grease the fastening screws and fix the cover 4 On the electric switchboard set to ON the power breaker relevant to the unit and remove the warning card 988 10186 003 6 3 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 6 2 4 Replacement of the Motoreducer Assy a Required Tools Set of combination wrenches Set of hexagonal wrenches Set of allen wrenches with ends ball Set T Ha
65. he transmitted power 3 2 1 9 Input and Output interface The Input interface of the SRT_Control board receives input signals from SRT Power SRT MOS RF Detector Safety Switch interlock and sends them to the microprocessor and to the gate array Signal conditioning and level shifting operation is accomplished by buffers level translators and peak hold devices Azimuth AZ in and Heading Line HL in input signals are processed as well and forwarded to the microprocessor and the gate array AZ HL The Output interface sends processed signals from the Gate array RF Detector Safety Switch and from the TX pin of the microprocessor to the Display the RF detector and the brushless motor controller 3 2 1 10 Azimuth AZ and Heading Line HL Signal Circuit Generator The Antenna Unit must constantly forward its Azimuth position and Heading Line to the Display Unit The function of this circuit Chapter 9 Figure 9 1 30 is to process the incoming signals AZIN and HLIN and forward them to the Microprocessor the signal AZ and HL for the blanking function The output signal AZOUT and HLOUT are used on the Display Unit 988 10186 003 3 10 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION 3 2 2 RF HEAD The RF Head Chapter 9 Figure 9 1 23 consists of a solid state controlled MAGNETRON stage connected to a CIRCULATOR and ending with a flange to be connected to a waveguide in order to transfer the RF PULSE to the Antenna for it t
66. i 5 N so From internal s Leve 2 Li WR DAC Monier Laer D A E dm y Convert Q To Output I SATA BUS onverter un C o Output Inteface 24 M r 12 VT 0 ANT AN 15 gt lt T From internal 15V NMI checking 5V a t aitor LPA lt 11 LR r 13 5 AZ B 2 iL ON To Output From Bearing 1 y 2 Interface Circuit HL 1 B 50 MHz TR PL LET TR STG STC Link P1 amp P2 e STE Vb TST TX Comb RX Comb To Input Interface From Safety SW ANTBL From Interlock E PMOut From S HVO Tunen To internal Monitor Tunen HV Stop From SRT Mos i MPLC 988 10186 003 9 21 ARGUS X BAND RADAR SCANNERS FIGURES Receiver 232 From Display and 422 Level From SRT Mos translator and Peak Hold Level translator and Peak Hold From RF Detector Level translator and Buffer From Bearing Reader From Interlock From Safety SW Level translator and Buffer From P3 SRT Power Controlled From Display Buffer Figure 9 1 20 SRT CONTROL Input interface To Microprocessor To Gate Array To Microprocessor To Microprocessor From Gate Array To Microprocessor and to Gate Array To Gate Array From Gate Array 988 10186 003 9 22 ARGUS X BAND RADAR SCANNERS FIGURES From D A Converter U15 Buffer and VCO To RF Detector level adapter From Buffer and Arr level adapter TC To RF
67. illimeters 988 10186 003 8 13 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 4 Antenna Positions A Distance gt Im ANTENNA 988 10186 003 8 14 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 5 Dimension Drawing ANTENNA LENGTH SWING CIRCLE 6 ft 1800 9 ft 2650 12 ft 3618 mL Ji ESH GE Hi Antenna fixing bolts threaded bolts 4 8 tighten to 22Nm Installation Connector Grounding Bolt 988 10186 002 8 15 N 4 Studs M12 MOUNTING PLANE VIEW ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 6 SRT Pedestal Schematic blocks ANTENNA DATA RADAR DATA X BAND ELE CTRO NI CS Video Trigger Azimuth Head ANTENNA RACK RADAR CONTROLS D C VOLTAGE SRT X BAND CORE DISPLAY UNIT 988 10186 002 8 16 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig 7 Main Connector Drawing Pint Pin2 Pin3 Pin 4 Pin 5 SFT ANTS GND EBAT EBAT Pin6 Pin6 Pin8 Pin 9 Pin 10 VD05 VD NC MBAT MBAT Fig 8 Cable termination Cable connector in 12 25 kW X band Up mast transceiver 988 10186 003 8 17 ARGUS X BAND RADAR SCANNERS INSTALLATION Fig9 SRT Pedestal Control Board
68. in reverse order Table 6 2 2 Connectors of the Electronics Rack Board Connector Purpose SRT Control J4 BNC Video Signal output SRT Control P2 Terminal board for the signal to from the Display Unit SRT Control TB1 Safety Switch input SRT Control J12 Cable for the Optical Read Out connection SRT Control J1 Small BNC Video Signal input SRT Control J2 Small BNC Tune Signal input SRT Control P1 RF Amplifier controls SRT Control TB3 Terminal Board for the Brushless Motor Controller SRT Power TB2 Main Power input SRT_Mos A K Fil Magnetron terminals WARNING WHEN THE ELECTRONICS RACK IS INSERTED ON THE FIXING BOLTS PAY FULL ATTENTION NOT TO DAMAGE THE WAVEGUIDE JOINT Chapter 9 Figure 9 1 31 pos 1 988 10186 003 6 10 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 6 2 9 Replacement of the Bearing Reader Board a Required Tools Set of screwdrivers Set of allen wrenches with ends ball Set of torx wrenches Silicone grease compound 340 b Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON 2 By following the procedures of paragraph 6 2 3 open the TXRX the Cover 3 Disconnect the Bearing Reader Board cables Chapter 9 Figure 9 1 30 pos 2 4 By means of the proper screwdriver unscrew the 2 screws Chapter 9 Figure 9 1 30 pos 1 fixing the
69. led on the equipment chassis The Electronics Rack includes the following functions it generates the power supply voltages required for the unit s functioning it generates the R F pulses which will be radiated by the Antenna the pulses in X band wave length 9375 30 MHz for NJRC or 9410 30 MHz for EEV Magnetrons and with 12 10 for EEV Magnetrons or 25 kW peak nominal power can be selected among the following 988 10186 003 3 2 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION Pulse Type Duration PRF SHORT PULSE nominal 60 ns 3000 Hz MEDIUM PULSE nominal 250 ns 1500 Hz LONG PULSE nominal 800 ns 750 Hz it receives the echoes reflected from targets and it converts and amplifies them it monitors the functionality of the unit 3 2 1 1 SRT Power Board The SRT Power Chapter 9 Figure 9 1 11 is divided into 2 units LVPS and HVPS it generates all the voltage sources needed for the electronics rack from the original 50 VDC 40 60 The SRT Power unit is equipped with protection circuits Figure 9 1 12 to avoid wrong polarity connection over current and over voltage spikes A voltage sensor is connected with microprocessor interrupt request input to provide save state function in case of voltage fall under 40 VDC and to safely perform system shut down without data loss 3 2 1 2 SRT Power Low Voltage Power Sup ply The LVPS s function Chapter 9 Figure 9 1 13 is to generate the low DC volta
70. les turn S1 of the SRT Control Board on position 3 and make sure DL3 is off Check Brushless Motor Controller Signals Replace SRT_Mos Board Replace SRT Control Board 988 10186 003 5 4 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE CHAPTER 6 CORRECTIVE MAINTENANCE 6 1 General 6 1 1 Introduction This chapter provides the procedure which must be followed in order to replace a faulty component of the ARGUS X BAND transceiver according to the troubleshooting procedures of Chapter 5 6 1 2 Safety Precautions If not otherwise specified in the procedures during the corrective maintenance operations the following safety rules must be followed each maintenance operation must be carried out only after the equipment switching off before removing any component be sure the spare part is available verify the integrity of the spare part and if possible perform a functional test WARNING SET THE MAIN BREAKER OF THE EQUIPMENT TO OFF AND HANG UP A CARD READING lt lt WORK IN PROGRESS DO NOT SWITCH ON gt gt 6 1 3 Personnel The replacement operations must be carried out exclusively by skilled personnel with a good knowledge of the equipment 988 10186 003 6 1 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 6 1 4 Required Tools and Instruments To carry out the replacement operations described in this chapter only normal workshop tools as screwdrivers wrenches etc
71. less presented immediately after unpacking 8 1 2 Storage After the parts contained in the boxes have been inspected in the presence of the customer and it has been verified that no damage has occurred the unit shall be stored in its original packing until the time of installation The storage premises must be dry and well protected If the units must be kept in storage for more than one month it is advisable to insert hygroscopic substances such as silicone gel salts in the crates See para 8 2 Specifications Environmental Conditions 988 10186 003 8 2 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 1 3 Handling The antenna and the pedestal must be brought up the mast separately and then assembled The pedestal is lifted by crane Use slings attached to the eyebolts fitted on top of the pedestal Minimum angle at the base is 60 See Figure 1 Lifting by crane The pedestal contains delicate electronic components handle accordingly The antenna surface is sensitive to impacts and pressure Any deformation of the antenna surface can reduce the radar performance Lift the antenna slings carefully preventing it from slipping 8 2 Specifications 8 2 1 Dimensions and weights See also Out line Drawings n Length 546 mm Width 364 mm Height 391 mm Weight with 6 ft antenna 35 5 kg Weight with 9 ft antenna 35 9 kg Weight with 12 ft antenna 35 14 kg Swing circle wi
72. mber field Fixed text field Symbol Radar Display Console Transceiver TX RX Checksum Field Definition A Yes data valid warning flag clear V No data invalid warning flag set Variable length integer or floating numeric field Optional leading and trailing zeros The decimal point and associated decimal fraction are optional if full resolution is not required example 73 10 73 1 073 1 73 Fixed length HEX number only MSB on the left Variable length valid character field Fixed length field of upper case or lower case alpha characters Fixed length field of numeric characters Fixed length of valid characters e NOTE Spaces shall only be used in variable text fields NOTE A negative SIGN HEX 20 is the first character in a field if the value is negative When used this increases the specified size of fixed length fields by one The sign is omitted if the value is positive 988 10186 003 2 4 ARGUS X BAND RADAR SCANNERS OPERATION 2 5 2 DATA TRANSMISSION FROM RDC TO TXRX OR INTERFACES 2 5 2 1 OPERATIONAL CONTROL SENTENCE 2 PCO2 x a aa aaa a a a a hh a hh lt CR gt lt LF gt L MGN Heater W warm C cold else NULL AUTO Tuning adjust min 00H max FFH If Automatic don t care M Manual Tuning A Automatic Tuning V video test else NULL OFF P Performance Monitor ON else NULL OFF J Jitter ON else NULL OFF RXX Antenna Rotating ON with xx RPM 01 60
73. n 5 Check carefully that all cabinet internal screws are not loose 6 Replace or tighten firmly as necessary General Cleaning 7 Cleaning is necessary only when layers often dark layers can be clearly seen on some areas If these layers are visible they must be removed with a dry cloth Only if really necessary repeat the procedure with cloth dampened in carbon tetrachloride A special brush for cleaning of appropriate size may also be used If and when necessary use an air brush to remove dust from inside the pedestal 8 By using a soft brush and alcohol remove dust ash and grease from the internal components 9 Dry the surfaces by using a soft cloth 10 By using a soft brush and alcohol remove dust ash and grease from the external surfaces of the cabinet 11 Dry the surfaces by using a soft cloth Final Operations 12 Close the equipment cover by following the reverse procedure 13 Grease the fastening screws to avoid corrosion and facilitate future inspections and fix the cover 14 On the electric switchboard set to ON the power breaker relevant to the unit and remove the warning placard N 988 10186 003 44 ARGUS X BAND RADAR SCANNERS PREVENTIVE MAINTENANCE CARD 3 UNIT OPERATION PERIODICITY SRT 12 25 kW Replacement of the Magnetron WR1 8000 hours X BAND PERSONNEL REQUIRED INSTRUMENTS REQUIRED TIME 1JT Set of screwdrivers Set of socket hexagonal set of allen 30 mi
74. n in the functional block diagram Chapter 9 Figure 9 1 7 and Figure 9 1 8 is described in details on separate functional block diagrams with the following descriptions Paragraph 3 2 1 Electronics Rack Paragraph 3 2 2 RF HEAD Paragraph 3 2 3 Brushless Motor Controller Paragraph 3 2 4 Motor Unit Paragraph 3 2 5 Optional Unit SRT Adapter Box Paragraph 3 2 6 Optional Unit Heater Paragraph 3 2 7 Optional Unit Encoder Functional block diagrams show the development of a function from input to output in detail Main assemblies and subassemblies modules and cards are shown and identified by code name and part number P N Hardware blocks are used in the signal paths to describe the processing functions performed For a better understanding the signal functions on circuit blocks are tagged by letters whose meanings are described in the list of abbreviations Table 1 1 1 List of abbreviations Signal flows are mainly laid down from left to right and from top to bottom therefore subassemblies can be illustrated more than once to ensure logical signal flow Signals on functional block diagram appear with their official code name as indicated on the manufacturer electric schematic diagrams and tabular interconnection lists Comments for explanation purpose on signal paths are within parenthesis this sometimes identifies their operational accomplishment Timing diagrams and word code bit structure figures are also given as necessary fo
75. ndle wrenches with swiveling hexagonal sockets Silicone grease compound 340 The Motoreducer assy is composed of Motor Unit Chapter 9 Figure 9 1 5 pos 1 Gearbox Chapter 9 Figure 9 1 5 pos 2 6 2 4 1 b Replacement of the Motor Unit Removal 1 On the electric switch board set the Main Line Breaker relevant to the unit to OFF and hang up a card reading WORK IN PROGRESS DO NOT SWITCH ON By following the procedures of paragraph 6 2 3 open the TXRX the Cover Take note of connections displacement in order to be able to reconnect the cables in the proper positions Unscrew contacts and power supply from brushless motor driver Holding the Motor Unit with the Gearbox remove the 4 screws Chapter 9 Figure 9 1 5 pos 4 fixing the group Chapter 9 Figure 9 1 5 pos 1 pos 2 to the support and remove the group To separate the Motor Unit from the Gearbox using the proper hexagonal wrench loose and remove the 4 screws Chapter 9 Figure 9 1 5 pos 5 and loose the screw Chapter 9 Figure 9 1 5 pos 6 Installation 1 2 3 Check for the integrity of the new Motor In order to install the Motor Unit with the Gearbox perform the removal operations in reverse order Close the cover following the procedures of paragraph 6 2 3 988 10186 003 6 4 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE 6 2 4 2 Replacement of the Gearbox b Removal 1 On the
76. ng Diode LO Local Oscillator LNFE Low Noise Front End LV Low Voltage MTBF Mean Time Between Failures MDS Minimum Detectable Signal PRF Pulse Repetition Frequency TXRX Radar Transceiver RF Radio Frequency RC Resistor Capacitor RPM Revolution per Minute STC Sensitivity Time Control TTL Transistor Transistor Logic VCO Voltage Controlled Oscillator WG Waveguide 988 10186 003 1 3 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 2 Configuration Table Pedestal Antenna Transceiver Output Power Argus 12U 6 Ft X P Included in Pedestal 12 KW Standard Argus 12U 9 Ft X P Included in Pedestal 12 KW Standard Argus 12U 12 Ft X P Included in Pedestal 12 KW Standard Argus 25U 6 Ft X P Included in Pedestal 25 KW Standard Argus 25U 9 Ft X P Included in Pedestal 25 KW Standard Argus 25U 12 Ft X P Included in Pedestal 25 KW Standard Argus 12U 6 Ft X P Included in Pedestal 12 KW HSC Argus 12U 9 Ft X P Included in Pedestal 12 KW HSC Argus 25U 6 Ft X P Included in Pedestal 25 KW HSC Argus 25U 9 Ft X P Included in Pedestal 25 KW HSC SRT PED 001 ANT6X 001 09N 009 25 KW Standard SRT PED 001 ANT9X 001 09N 009 25 KW Standard SRT PED 001 ANT12X 001 09N 009 25 KW Standard SRT PED 002 ANT6X 001 09N 009 25 KW HSC SRT PED 002 ANT9X 001 09N 009 25 KW HSC 1 3 Physical Description The Small Radar Transceiver SRT 12 and 25 kW ARGUS X Band Radar scanner is
77. nsition CN RF in Isolator 0 gt From To RF Detector A x Moni Monitor Out CKT 5 Vdc Figure 9 1 24 SRT RF HEAD L N F E 988 10186 003 9 26 ARGUS X BAND RADAR SCANNERS FIGURES BP Filter Buffer EE Amplifier 50 dB iti BF i Band Logaritinc Buffer ideo O 20 dB Variable selector Amplifier Attenuator From To SRT Control f Level SWPB1 From To translator RF Detector DC DC 5 Vdc 542 Tune Voltage Monitor Figure 9 1 25 SRT RF HEAD RF Detector 9 27 988 10186 003 ARGUS X BAND RADAR SCANNERS FIGURES Main Power Green Led I n LM 7812 MC 33035 3 X IR 2103 Brushless Brushless Controller Half Bridge Driver 6 Power Mosfet Current Sensor Red Led Closed Loop Brushless Motor Adapter MC 33039 Figure 9 1 26 BRUSHLESS CONTROLLER Functional blocks 988 10186 003 9 28 X BAND RADAR FIGURES G SSeS M si ER Nac fg N al 4 55555 2 NI gt m Oy 30 EE EE Li 2 ee 3 ey y j 27 OR ARGUS X BAND RADAR SCANNERS FIGURES O H 29 o a i ID Figure 9 1 29 Electronics rack 988 10186 003 ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 30 Bearing reader board 988 10186 003 9 32 AN gt lt
78. ntences 2 Numeric value from 0 to 99 command dependent see list below Field number Incremental from 1 after sentence code Es 1 PNAC 2 COP 01 05 hh lt CR gt lt LF gt Meaning feedback on error inside COP command for transceiver 2 through TXRX Interface error type 01 field 05 wrong JITTER field Es 2 PNAC COP 01 37 hh lt CR gt lt LF gt Meaning same feedback error directly from TXRX 988 10186 003 2 9 ARGUS X BAND RADAR SCANNERS OPERATION 2 5 3 7 PHT2 a a a a a a a a a a a hh lt CR gt lt LF gt INTERLOCK test FE MONITOR test 15VDC Voltage test 15150 Voltage test 15 VDC Voltage test L Line Input 24 50v Voltage test LINK flag CRC ERROR RECEPTION 2 Safety Controls Magnetron Heater Voltage test 24 VCO Voltage test Notes LINK flag Valid if Rx data are received Invalid if Rx data are NOT received time out HEALTH SENTENCE 2 A Transceiver safety door CLOSED V Transceiver safety door OPEN A Front End OK V Front End Fail A Test valid value in range V Test invalid value out of range A Test valid value in range V Test invalid voltage out of range A Test valid value in range V Test invalid voltage out of range A Test valid value in range V Test invalid voltage out of range A Test valid safety sw close V Test invalid safety sw open 1 Test valid value in range V Test in
79. nutes wrenchs set T Handle wrenches with swivelling hexagon Sockets set T Handle wrenches with swivelling hexagonal sockets Electric Soldering Iron silicone grease compound 340 SAFETY PRECAUTIONS On the electric switchboard set to OFF the Main Line Breaker relevant to the unit and hang up a WORK IN PROGRESS DO NOT SWITCH ON STEP SEQUENCE OF OPERATIONS Preliminary Operations 1 Position the Antenna as shown in Chapter 9 Figure 9 1 1 2 Unscrew and remove the four screws Chapter 9 Figure 9 1 4 pos 1 locking the cover Chapter 9 Figure 9 1 4 pos 2 and open the former Removal 3 Unscrew the 4 bolts holding protection shield Chapter 9 Figure 9 1 6 pos 4 4 By means of the proper screwdriver remove the Magnetron wires from the terminal Chapter 9 Figure 9 1 15 pos 1 tacking note of their disposition e Unplug yellow and green cables loosing the 2 bolts e Unplug the yellow green earth cable 5 By performing the operations of paragraph 6 2 8 remove the Electronics Assy 6 By performing the operations of paragraph 6 2 7 remove the RF Head T By means of the proper screwdriver remove the 4 torxs screws Chapter 9 Figure 9 1 27 pos 2 fixing the Magnetron 8 Remove the Magnetron Installation 9 Before fastening the Magnetron to the proper seat spread a layer of silicone grease on Magnetron surface which is in contact with the alloy in order to increase the Magnetron heating s
80. o be radiated In the 25 kW system there is also a Band Pass FILTER inserted between the magnetron and the circulator to filter out spurious frequency emissions The opposite end of the CIRCULATOR is fitted with a LIMITER and RF_Amplifier L N F E RF_Detector The L N F E Low Noise and Front End is composed of the IMAGE REJECTION FILTER the LOW NOISE AMPLIFIER two BALANCED MIXER and the LOCAL OSCILLATOR The RF_Detector is the final amplification stage and it is of the logarithmic kind The RF Head is designed to generate RF pulses in the X Band range up to 12 or 25 kW and to receive echoes from targets During transmission the MAGNETRON receives high voltage trigger pulses and generates high power RF pulses in the X Band range The pulse length short medium long is determined by the operator settings on the display The RF energy generated is sent to the CIRCULATOR and from there to the waveguide which sends the energy to the Antenna The CIRCULATOR is a 3 way microwave device used either as a RF switch or to send the transmission pulses to the Antenna or to apply the received echoes to the Receiver The second function carried out by the RF HEAD unit is to convert the received energy reflected from targets into intermediate frequency and amplify it This is provided by the R F HEAD block mainly consisting of Limiter Circulator Noise Diode Power Diode Integrated RF Amplifier comp
81. on pictures and drawings of how to handle assemble and install this unit as a part of the complete Radar Equipment Actions how to prepare this unit for the Radar Equipment Setup Procedure are also described 8 1 1 Unpacking The unit parts are placed in cardboard boxes covered with a plastic sheet Each box includes a protecting polyurethane box shaped for the contained parts The following rules should be observed Units must be transferred on board still packed into their boxes When the units are removed from their boxes they must be left in their protective plastic cover until installation It is advisable to keep the packing material for possible future use the plastic sheet in which the unit is wrapped can be used to protect it during installation and maintenance procedures In addition to the various main parts forming the unit se par 8 3 2 below there is further materiel included in the delivery Those additional things are Technical User Manual and Installation Manual included Installation Kit Terminals clamps connectors etc Standard Spare Part Kit Fuses etc The Installation Kit and the Spare Part Kit is necessary for the installation and operation of the equipment and must be kept by them who perform the installation work Contents of the Kits should be checked immediately after unpacking using the materials list contained in the box The manufacturer will not accept claims for missing items un
82. oning of the circuit when the 15 ISO voltage is absent HVPS Generator Circuit generates the correct high voltage value When the high voltage is generated the COMPARATOR sends the signal HVOK to the Gate Array of the SRT Control board and the red LED DL3 HVOK mounted on the SRT Power lights up The VMOD is applied to the primary of the HVPS TRANSFORMER which driven by the MOSFET generates the required high voltage 700 V The MOSFET drive is controlled by a circuit which also protects the MOSFET itself The circuit is composed by the blocks COMPARATOR POTENTIOMETER and FLYBACK CONTROLLER When the COMPARATOR recognizes HVON signal to be low it enables the FLYBACK CONTROLLER that in turn drives the MOSFET output In the feedback loop another comparator assures that the high voltage value is stable and correct The voltage is set and controlled by potentiometers and LPA MPA and SPA signals In this way it is possible to precisely control the Magnetron output power HVPS unit generates an additional 150 V voltage for a neon lamp performance monitor for future use 3 2 1 4 SRT Mos Board Two configurations are available one for 12 KW and one for 25 KW The number of MOSFET transistors differ in these two versions Basically the SRT Mos board Chapter 9 Figure 9 1 16 performs the following main function High Voltage Pulses generation for Magnetron The Pulse Circuit Generators function is to generate the necessary high
83. onnected to the Bearing Reader Board Read out by a connector Figure 9 1 17 pos 2 on the SRT Control Board the Brushless Motor Controller Board Figure 9 1 17 pos 3 the RF HEAD Figure 9 1 17 pos 4 and Figure 9 1 15 pos 1 the Display Unit through the Main Connector Figure 9 1 3 pos 3 988 10186 003 1 6 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 3 2 3 Motoreducer Assy The Motoreducer Assy is composed of Figure 9 1 5 the Motor unit Figure 9 1 5 pos 1 provides power for the antenna rotation the Gearbox Figure 9 1 5 pos 2 reduces the motor speed and increases torque the final gear Figure 9 1 5 pos 3 transfers the motion provided by the Gearbox to the Antenna the Optical Read out Figure 9 1 30 pos 2 generates the Heading Line HL pulse and the pulses indicating the Antenna position AZ the Rotary Joint Figure 9 1 31 pos 1 connects the Waveguide of the Antenna to the internal one The Motoreducer Assy is connected to the Brushless Controller by means of a cables provided with connectors for the Electric Motor supply and a cable provided with connector for the Optical Read Out signals 1 4 Functional Description The SRT 12 kW and 25 kW X BAND Radar scanners are divided into a Receiver and a Transmitter section both connected to a solid state controlled modular RF HEAD The Transmitter generates the RF energy in the X Band range and p
84. osed of Low Noise Front End Low Noise Amplifier Mixer LO RF Detector The echo signal received by the Antenna arrives through the Limiter and the Low Noise Amplifier to the Mixer where it is mixed with the signal forwarded by the Local Oscillator The resulting beat is the 60 MHz IF signal which is forwarded to the RF Detector The Limiter is used to avoid an output above a scheduled value A higher output would cause a short circuit The Low Noise Amplifier and the Image Rejection Filter are used to amplify the echo signal in order to improve the noise figure of the receiver The Local Oscillator is integrated directly into the LNFE It can be tuned to the Magnetron transmission frequency by the VCO voltage level The RF Detector Assy s function Chapter 9 Figure 9 1 24 and Figure 9 1 25 is to amplify the echo signals delivered by the RF HEAD Assy It is composed of a 988 10186 003 3 11 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION Group Amplifier stages cascade connected with specific components to obtain a logarithmic dynamic characteristic The central frequency is 60 MHz and the bandwidth is 1 8 MHz for Long Pulse 4 5 MHz for Medium Pulse 24 MHz for Short Pulse To maintain the target echo signals free from any possible external induction that can degrade the performance of the Unit the DC power supply voltages and the band switching commands are applied to the module by means of a FILTER 3 2 3 Brushless
85. pared for the installation of an external safety switch which can be mounted on or near the platform This switch disconnects the power from the Pedestal eliminating the possibility of accidental operation during servicing 988 10186 003 1 ARGUS X BAND RADAR SCANNERS WARNINGS Whenever it is necessary to disconnect the waveguide system from a radar transmitter for maintenance purpose the transmitter output should be terminated in a matched load when possible If this is not possible care should be taken to avoid standing in front of an open ended waveguide from which power is being radiated NEVER look down a waveguide from which power is being radiated X RAY RADIATION This unit does not generate X RAY radiation SAFETY SWITCH The Radar Unit is provided with a safety switch which disables the antenna movement during maintenance and avoids high voltage damage Always turn the safety switch off whenever advised in this manual for instance before performing any maintenance or installation procedure Ignoring safety switch operation may produce hazard of electrocution as well as other severe injuries SAFETY PRECAUTIONS Purpose Safety precautions described in this paragraph are applicable to the ARGUS X Band Radar System Depending upon the type of advice the following attention signs are used in the technical manual DANGER IF THIS OPERATING PROCEDURE MAINTENANCE PROCEDURE PRACTICE CONDITION OR STATEMENT
86. r better understanding of the described function Logic terms and principles used in this technical manual comply with standard engineering practices 988 10186 003 3 1 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION Logic symbols gates are used if they represent more appropriately in a simplified form the logic function performed even by complex parts of hardware Where necessary functional description of power supplies and minor assemblies are referred to schematic diagrams NOTE The schematic block diagrams of Chapter 3 show all the functions that the boards hardware could potentially support while the related functional description refers only to the functions implemented in the present customized configuration 3 2 Functional Description On the basis of the ARGUS X BAND RARAR SYSTEM functional block diagram shown in Chapter 9 Figure 9 1 7 the equipment can be subdivided into the following main assemblies Electronics Rack RF Head Brushless Motor Controller Motor Unit There are also a number of optional functions which are described below as e SRT Adapter Box e Heaters e Encoder 3 2 1 Electronics Rack The Electronics Rack block diagram is shown in Chapter 9 Figure 9 1 7 and Figure 9 1 8 Each block represents a functional area which is described in detail in the following chapter paragraphs 3 3 through 3 7 The blocks indicated by dotted lines represent circuits assemb
87. re Column 2 DESCRIPTION the column includes the descriptive identification data of the replaceable part Column 3 SPECIFICATION NUMBER OR TYPE the column reports the specification number or the type of the replaceable part assigned by the supplier Column 4 REQUIRED QUANTITY N the column indicates for each replaceable part how many of them are assembled on the equipment 7 1 2 Part Location Illustration Figures of Chapter 9 provide the location of the components The position numbers of the items shown in the figure are referenced in the related Parts List Tables 988 10186 003 7 1 ARGUS X BAND RADAR SCANNERS PARTS LIST 7 2 Parts List Tables Table 7 2 1 List of items of Chapter 9 Drawing Required FIG POS Description Specification Quantity Number or Type N Figure9 12 6 AntennaXBand 000 10324 001 1 e Antenna x Band 9005258001 1 mmmmxmw mo Jr 242 25kW Magnetron JRC MSF1475A 000 10677 001 1 25kWSRTElectronicAssy 0001067001 1 988 10186 003 7 2 ARGUS X BAND RADAR SCANNERS INSTALLATION CHAPTER 8 INSTALLATION X Band Antenna Group including 6 9 or 12 feet Antenna and Pedestal with 12 25 kW Transceiver up mast TABLE OF CONTENTS CHAPTER 8 INSTALLATION 5 2 8 1 INTRODUCTION Hs 8 1 1 UNPACKING save 8 1 2 STORAGE ride Ne
88. re 2 Suggested Masthead Antenna mounting This solution however does not eliminate the blind sector but will reduce false echoes 988 10186 003 8 5 ARGUS X BAND RADAR SCANNERS INSTALLATION produced by the obstacle The best position for the reflector can be found by testing out different positions The Installation consists of the following basic steps Mount the SRT unit without the Antenna on the mast Make relevant connector Install and connect the Performance Monitor optional arm Install the Safety Switch if required Mount the Antenna on the SRT unit NOTE The transceiver should be installed so that the performance monitor arm is not facing funnels or other major obstructions Sector blanking is enabled to prevent false echoes caused by funnels and or constructions see above If the performance monitor arm is positioned within this blanking area the pedes tal must be turned because the radar performance monitor is not working where there is no transmission in the sector of its sensor Installation of Safety Switch CHANGE IT IS ON THE DC CORE OR ADAPTER BOX OR OPTIONAL FOR THE ADAPTER BOX EXTERNAL is compulsory It is recommended to be installed at the bottom of the stairs giving access to the Antenna Pedestal The waterproof switch is supplied by manufacturer but a connection cable 2x2 5 mm should be provided by the shipyard The Antenna assembly must be covered by plastic sheet during an
89. re Unit or the optional SRT Adapter Box and the Pedestal Unit including the Motor Unit and Electronics Rack On the Main Connector the following signals can be located Combined Video Power supply Safety Switch 1 3 2 2 SRT Electronics parts The ARGUS X BAND RADAR Pedestal contains advanced high speed electronic circuits for transmission reception and processing the RF echoes Table 1 3 2 SRT X Band 12 and 25 kW Composition lists the main assemblies of the unit and their position inside the cabinet Table 1 3 2 SRT X Band 12 and 25 kW Composition DESCRIPTION POSITION RF HEAD Electronic Rack Bearing Reader Board Brushless motor controller Board Brushless motor Chapter 9 Figure 9 1 4 pos 7 Chapter 9 Figure 9 1 4 pos 4 Chapter 9 Figure 9 1 30 pos 2 Chapter 9 Figure 9 1 4 pos 5 Chapter 9 Figure 9 1 4 pos 6 Table 1 3 3 RF HEAD DESCRIPTION Magnetron Circulator Limiter RF Amplifier Assy Noise Diode Power Diode POSITION Chapter 9 Figure 9 1 27 pos 1 Chapter 9 Figure 9 1 28 pos 4 Chapter 9 Figure 9 1 28 pos 2 Chapter 9 Figure 9 1 28 pos 1 Chapter 9 Figure 9 1 28 pos 3 Chapter 9 Figure 9 1 28 pos 5 Table 1 3 4 Electronics Rack DESCRIPTION SRT Control SRT MOS SRT Power POSITION Chapter 9 Figure 9 1 6 pos 2 Chapter 9 Figure 9 1 6 pos Chapter 9 Figure 9 1 6 pos The Electronics Rack is c
90. re nennen 6 2 6 2 CORRECTIVE MAINTENANCE PROCEDURES 6 2 6 2 1 Generalitat D eda beoe D Letter FE JENA nen eee 6 2 Table 6 2 1 List of Corrective Maintenance Procedures sse 6 2 62 2 Antenna Replacement isnt idein tavit u test 6 3 6 2 3 Opening Closing of the TXRX 2 6 3 6 2 4 Replacement of the Motoreducer 6 4 6 2 4 1 Replacement of the Motor UPit ener enne nennen nennen nennen nnne 6 4 6 2 4 2 Replacement of the Gearbox 6 5 6 2 5 Replacement of the Brushless Motor Controller sse 6 5 6 2 6 Replacement of the Magnetron 6 6 6 2 7 Replacement of the RF 6 7 6 2 7 1 Replace RF EAE E E kne 6 8 6 2 7 2 Replace Limiter and Noise Diode Ne 6 8 6 2 7 3 Replace Cir Cul ator 3 2 nete Gne nen ROO ER HEIC aa bunns 6 8 6 2 7 4 Replace Power Diode GA 6 8 6 2 8 Removal Installation of the Electronics sssr 6 9 Table 6 2 2 Connectors of the Electronics Rack Ne 6 10 6 2 9 Replacement of the Bearing Reader Board sse eee 6 11 6 2 10 Replacement of the Performance Monitor eee 6 11 CHAPTER 7 PARTS LIST 5 ota a eo kv aea reed epos Ca ar eee a oe oon ee re eee ea uon 7 1 INPRODUCTION deett te
91. res through the turned shield 0 35 mm cores e Cut the core to the required length and dismantle the core for 10 e Insert and crimp the blue end terminal Note End terminals should always be used e Double connection in one terminal yellow terminal 988 10186 003 8 24 ARGUS X BAND RADAR SCANNERS ANNEX e Triple connection in one terminal grey terminal wa 1 5 and 2 5 mm2 cores e Cut the core to the required length and dismantle the core for 10 7 Note End terminals should always be used 988 10186 003 8 25 ARGUS X BAND RADAR SCANNERS ANNEX RG coaxial cables Mechanical details of BNC connector RAEN TEES 6 B Es Cut the cable to the required length Dismantle the outer insulation of the RG coaxial cable without damaging the shield and fit the related parts of the BNC connector as below Details related to the ring of the BNC connector Take back the shield on the ring and trim exceeding shield Dismantle the outer insulation of the centre core without damaging the centre core and be sure that the shield is not shorted with the centre core 988 10186 003 8 26 ARGUS X BAND RADAR SCANNERS ANNEX Solder the centre core with the BNC pin Be careful not to damage the insulation i e burned during the solder process wawas Mount the BNC connector as below 988 10186 00
92. rn consisting of upper and lower side to form the vertical beam e Aplastic external cover for weather protection The antenna is mounted on the pedestal by the antenna support structure with 4 screws This support structure makes the antenna more rigid against wind and vibration 1 3 2 Pedestal The Pedestal cabinet Figure 9 1 3 pos 1 is cast aluminum treated with anticorrosive paint to make it saline atmosphere resistant The cabinet has a cover Figure 9 1 4 pos 2 fixed to the cabinet by four screws Figure 9 1 4 pos 1 the hinged cover can be opened to allow easy access to the internal components At the hinged end of the cabinet Figure 9 1 3 pos 2 the following items are located the screw for connecting the Unit to the ship s ground structure Figure 9 1 4 pos 4 the main connector Figure 9 1 4 pos 3 for the connecting cable to the Core Unit When the cover is open it is possible to access the following internal parts Figure 9 1 4 Connecting Terminal Board Electronics Rack Figure 9 1 4 pos 4 Brushless Motor Controller Figure 9 1 4 pos 5 Motor Unit Figure 9 1 4 pos 6 RF Head Figure 9 1 28 988 10186 003 1 5 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 3 2 1 Main Connector The Main Connector Figure 9 1 3 pos 3 is mounted at the bottom of the Pedestal cabinet Figure 9 1 3 pos 1 This main connector allows the connection between the Co
93. ro tenter eter e u RU PAPST 7 1 Fel SPGVES DASE Rid eei distat daten edet uds 7 1 988 10186 003 i ARGUS X BAND RADAR SCANNERS CONTENTS 0 7 1 1 2 PARTS LIST TABEES ete EU ROI 7 2 Table 7 2 1 List of items of Chapter 9 0 1 04 200000060000000000000000000500000 7 2 CHAPTER 8 INSTALLATION cisciciscssssnsseaasssessseucsonntoosensstusssenndsvesocesossnesevenssonstscenasonuseseses svedocehoosnnsseuse 8 1 Sel INTRODUCTION needed pit r el akk RO Ege etd iod 8 2 dh SUnpaekin LENGTE 8 2 2 8 2 6 3 Handling tete 8 3 8 22 SPECIFICATIONS 8 3 8 2 1 Dimensions weights See also Outline Drawings eee 8 3 8 2 2 Required power smukke 8 3 823 Environmental sine eH E TER 8 4 8 3 INSTALLATION sa ease 8 5 8 31 Installation Principles 8 5 8 3 2 Mechanical installation sese eee 8 7 8 3 2 1 Unit pedestal transceiver Ne 8 7 8 3 2 2 Antenna 8 3 2 3 Safety Switch External is 8 8 8 3 2 4 Performance Monitor ATM ee 8 8 83 37 Electrical installation dante e sd 8 8 8 3 3 1 Multicore Gap 8 8 8 3 3 2 Safety Switch option l 52d te eid eg e nee 8 9 8 3 3 3 Grounding 8 9 8 34
94. rranged in 10 Chapters as follows Warnings Chapter 1 Chapter 2 Chapter 3 Chapter 4 Chapter 5 Chapter 6 Chapter 7 Chapter 8 Chapter 9 988 10186 003 DESCRIPTION AND MAIN CHARACTERISTICS OPERATION FUNCTIONAL DESCRIPTION PREVENTIVE MAINTENANCE TROUBLESHOOTING CORRECTIVE MAINTENANCE PARTs LIST INSTALLATION FIGURES ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 1 2 The purpose of the equipment scanner The ARGUS X Band Radar scanners when connected to a Core Unit not described in this manual performs the following functions It receives the radar control signals from the Core Unit It generates and receives the RF pulses It processes the RF pulses sends the radar data and control signals to the Core Unit The equipment s power supply 48 VDC comes from the Core Unit or from the SRT Adapter Box from the Ship Main Line 988 10186 003 1 2 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 1 3 List of Abbreviations All measurement abbreviations are according to the MIL STD 12 Other terms and abbreviations used in the manual are listed in Table 1 1 1 List of abbreviations Table 1 1 1 List of abbreviations ABBREVIATION MEANING AC Alternating Current AZ Antenna Azimuth Pulse dB Decibel dBm Decibel referred to 1 milli Watt DC Direct Current HL Heading Line HV High Voltage IF Intermediate Frequency LED Light Emitti
95. s the trigger and bear ing signals from the combined video and translated them in standard levels e g 232 422 for serial lines Figure 9 1 33 shows the SRT Adapter Box PCB layout LED D9 is a dual red green LED When red the board receives from the core unit When green transmitting to the core unit LED D10 is also a dual red green LED When green there is a proper signal decoding going on When red there is a parity error at decoding This latter LED works when the decoding function is enabled 3 2 6 Optional Equipment Heaters Heaters are introduced for extreme cold environments when the ARGUS Ra dar System is expected to operate down to 40 C The heater system consists of cylindrical heater resistors mounted inside two cavities on the top part of the transceiver The heaters warm the inside electronics and the gearbox A controller PCB stops the heating when temperature is more than 0 C 3 2 7 Optional Equipment Encoder The function of the Encoder is to increase the angular resolution of the azimuth and heading signal to 1024 pulses for revolution 988 10186 003 3 13 ARGUS X BAND RADAR SCANNERS PREVENTIVE MAINTENANCE CHAPTER 4 PREVENTIVE MAINTENANCE 4 1 Introduction This chapter provides the necessary information to perform preventive maintenance operations which must be carried out in order to ensure the ARGUS X BAND Radar System s full efficiency The maintenance procedures are described in tab
96. sition in the Pedestal Unit 6 By means of the proper screwdriver unscrew the four screws Chapter 9 Figure 9 1 29 pos 1 fixing the Elec tronics Rack to the SRT cover 7 Extract the Electronics Rack from the cover paying atten tion to the cables and to the Waveguide joint Chapter 9 Figure 9 1 31 pos 1 988 10186 003 6 9 ARGUS X BAND RADAR SCANNERS CORRECTIVE MAINTENANCE Replace SRT CONTROL Chapter 9 Figure 9 1 6 pos 2 1 Remove the 4 torx screws Chapter 9 Figure 9 1 6 pos 5 using the proper torx wrenches and disconnect the cabling connectors taking note of their position Replace SRT MOS Chapter 9 Figure 9 1 6 pos 3 1 Remove the 7 torx screws Chapter 9 Figure 9 1 6 pos 6 using the proper torx wrenches and disconnect the cabling connectors taking note of their position Replace SRT PWR Chapter 9 Figure 9 1 6 pos 1 1 Remove the 11 torx screws Chapter 9 Figure 9 1 6 pos 7 using the proper torx wrenches and disconnect the cabling connectors taking note of their position c Installation 1 Before installing the new electronics assy remove the EEPROM U30 from the SRT Control Board of the old Electronics Rack and replace it in the SRT Control Board of the new one If this operation is skipped then the unit must be set up manually from blank to recover values and settings stored in the old board EEPROM 2 In order to install the Electronics Rack perform the Removal operations
97. so To SRT MOS 7 Filters F7 _15VF i yr Filter Transformer Regulators 50 5V 16 Vac General 24 Vac F5 24V power supply F6 15VF CL F4 5V GE oes MOSFET To MOSFET V FIL SRT_MOS and SRT_Control FLYBACK CONTROLLER VFIL CONTROLLER SW Fil From SRT Control Fil ON Figure 9 1 13 SRT POWER LVPS circuits 988 10186 003 9 15 ARGUS X BAND RADAR SCANNERS FIGURES 700 V To SRT MOS 700 Vac Filters Filter Transformer 50 Regulators 460 Vac 230 Vac 150 SRT Control HV Stop From SRT MOS MOSFET Feedback and Controls HV OK FLYBACK CONTROLLER HV ON From To SRT Control LPA MPA SPA Figure 9 1 14 SRT POWER HVPS circuits 988 10186 003 9 16 ARGUS X BAND RADAR SCANNERS FIGURES SRT MOS 9732745 Rev Figure 9 1 15 SRT MOS Board 988 10186 003 9 17 ARGUS X BAND RADAR SCANNERS FIGURES 700 iL rea ans rmm From SHON SRT Power 2 To Magnetron 9 3 gt RP Isolati Driver Driver Mosfet Magn A Transformer From SRT_Control TR D Magnetron en To SRT_Control Driver osfet 15 Iso Sensor 1 From to SRT Power V Fil Figure 9 1 16 SRT MOS Block diagram 988 10186 003 9 18 ARGUS X BAND RADAR SCANNERS
98. specific procedure and therefore do not appear elsewhere in this technical manual These are recommended precautions that all personnel must understand and apply during all phases of operation and maintenance KEEP AWAY FROM ANY LIVE CIRCUITS Do not touch any circuits during operation Operating personnel must at all times observe all safety regulations Do not replace components or make adjustments inside the unit with the high voltage supply turned ON Under certain conditions dangerous potentials may exist even when the power breaker is in OFF position due to charges retained on capacitors To avoid danger and casualties always remove power and discharge to ground a high voltage circuit before touching it DO NOT SERVICE OR ADJUST BY YOURSELF Under no circumstances should any person initiate servicing or adjusting the unit except in the presence of authorized personnel RESUSCITATION Personnel working with or near high voltage should be familiar with modern methods of resuscitation Such information may be obtained from the Bureau of Medicine and Surgery or equivalent 988 10186 003 3 ARGUS X BAND RADAR SCANNERS WARNINGS Warning Information The following warning signs appear in this technical manual To point out their importance they are repeated here for emphasis WARNING USE EXTREME CARE WHEN WORKING ON THE UNIT ONCE THE COVER HAS BEEN OPENED THE MAGNETRON ASSEMBLY OPERATES AT HIGH VOLTAGES THAT MAY CAUSE FATAL
99. ssion Power Tuning and Noise Figure as a Noise Ring presentation on PPI and for ensuring peak power value on TXRX DATA 988 10186 003 3 9 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION In the related circuit there is a diode inside the RF Head operating as a revelator when the magnetron is transmitting or as noise generator when the signal PM Out is available When the diode is operating as revelator it is synchronized with the transmission and the revelator circuit can detect the power present at the diode This circuit is always active And the measurement is done for each trigger The measured value is available on TXRX data When the command PMON Performance Monitor ON is set the power value and the tuning value will change PM Out signal parameters The scope of this circuit is to introduce a noise ring on the PPI This noise ring changes its distance by the variation of the transmitting power and its thickness by the variation of the tuning A neon lamp is fitted to the monitor arm extending from the antenna pedestal The lamp is powered by 150 V from the POWER MOS Board and is exited at each antenna rotation by the radiated RF pulse With the Performance Monitor switched on and the neon lamp is exposed to the TX power the RF energy causes a current variation in neon lamp and the RM signal A revelator circuit will detect this variation and interrupts the Noise Ring This function adds to a general verification of t
100. t gt Mp Sn lt gt TB2 Q1 KG lt gt B LG GND O TBI GND O _ 0 pum I Z gt 02 c gt Av CERTO amp av ie RR Y T Cis i 16 Ri RE 1 EG C G PLA C16 ai R24 lt 2 403 ra 555 LA R3 UL R33 R35 US SOE Ol R34 C21 m R37 R38 lt E NAM R 5 22 z Rl 25 E RLS R46 1827 1 C28 RS C298 71 822 R53 RSA j C33 R56 RER D 1 Ral R62 F LIV des 34 2 U Ni uS C43 oo L 9 22 012 LT 14 8 09 Ui oo fed o zx dux oe E E e e T2 021 L4 L5 or 7 3 ri TET 112 da al ka Be Il Ip gt x m pon P2 b a HE D21 lt gt m 5 NE XTB3 Figure 9 1 10 SRT POWER Board 988 10186 003 9 12 ARGUS X BAND RADAR SCANNERS FIGURES Figure 9 1 11 SRT Power General Block Input Protection GND 988 10186 003 9 13 ARGUS X BAND RADAR SCANNERS FIGURES Wrong polarity Over Current 50 Vdc protection protection Voltage 12 VT To SRT Control sensor Line To SRT Control DL1 LVPS HVPS Figure 9 1 12 SRT POWER Protection circuits 988 10186 003 9 14 ARGUS X BAND RADAR SCANNERS FIGURES 16 I Vac F2 15 I
101. th 6 ft antenna 183 cm Swing circle with 9 ft antenna 274 cm Swing circle with 12 ft antenna 366 cm 8 2 2 Required power Standard configuration 115 220 V 50 60 Hz Peak Power consumption 12 kW 25 250 W 380 W KW under 100 KN winds Medium Power consumption from 75 W 130 W minimum configuration 12 kW 6X to 25 kW 9X HSC 988 10186 003 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 2 3 Environmental Data Operating temperature 25 C 55 C Note With Heater 40 C Storage temperature 25 C 70 C Relative humidity Up to 95 at 40 C Water resistance Salt spray Vibrations etc As per IEC 60945 988 10186 003 8 4 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 3 Installation 8 3 1 Installation Principles In order to obtain the best radar performance and accessibility the following precautions should be used Space for the antenna to swing freely See par 8 2 Specifications Antenna type Safety and easy access for maintenance purposes It is preferable to use a platform on the ship s mast Figure 2 Suggested Masthead Antenna mounting The antenna to be accessible in all directions Avoid exposure to exhaust fumes from the funnel Avoid strong vibrations Avoid interference between two antennas Avoid obstacles in the radar beam especially ahead of midship If two radar sets are installed their antennas should
102. ts and washers must be used The tightening torque is 44 Nm 988 10186 003 8 7 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 3 2 2 Antenna The antenna and the pedestal must be brought up the mast separately and then assembled The TXRX should not be lifted with the antenna already mounted The mounting procedure of the antenna to the pedestal consists of following steps Remove the waveguide protections on the antenna and pedestal Mount the antenna over its support check that the waveguide connections are on the same side The antenna assumes the right position following two reference plugs Rest the antenna on the pedestal and tighten the 4 bolts holding the antenna Chapter 9 Figure 9 1 2 pos 1 The tightening torque is 22 Nm 8 3 2 3 Safety Switch External is optional The Radar CORE unit and the optional SRT adapter box both feature a safety switch However for some installations it may be compulsory to have an external safety switch It is recommended to place the optional safety switch at the bottom of the stairs that are giving access to the radar mast The switch must be mounted with the cable glands pointing down Connect the cable as described in 8 3 3 Electrical installation 8 3 2 4 Performance Monitor Arm To install the P M Arm proceed as follows Connect the P M Arm for the radiation monitor on the SRT pedestal The arm shall be angled upwards 8 3 3 Electrical installation
103. uest 2 Error Code MESSAGE ERROR CODE MEANNG CO2 CRC ERROR Bi Field not in compliance with specification 02 Missing transceiver control SEC 00 CRC ERROR 01 Field not in compliance with specification 02 Wrong sector value TIM 00 CRC ERROR 01 Field not in compliance with specification 02 Missing command type 03 Initialization value outside limits DPC 00 CRC ERROR 01 Field not in compliance with specification 02 Wrong potentiometer ID 03 Potentiometer value outside limits CFG 00 CRC ERROR 01 Field not in compliance with specification 988 10186 003 2 11 ARGUS X BAND RADAR SCANNERS FUNCTIONAL DESCRIPTION CHAPTER 3 FUNCTIONAL DESCRIPTION 3 1 Introduction This chapter provides the functional and detailed description of the main functions and operations performed by the ARGUS X BAND RADAR SYSTEM Functional diagrams are used to depict signal processing whilst the text is used to support diagrams as necessary for explanation purposes The descriptions are structured in paragraphs as described in what follows Paragraph 3 2 Functional Description provides a general functional description functional areas identification and main interconnections This allows highlighting the main functions relationship and unit performance As a functional area it comprises a group of circuits or other devices which operate together to accomplish a well defined function Each of the major functions of the unit show
104. ular form Card Each card lists the operations which must be performed their interval the personnel required the materials and the time required for each task 4 2 Preventive Maintenance Procedure The preventive Maintenance procedures are given by means of cards Each card besides indicating the operations to be performed during the maintenance execution lists the following indications INTERVAL it is an alphanumeric code to identify the maintenance action described The following symbols are used to indicate the maintenance intervals Monthly 6 Semi annual Annually WR When Required PERSONNEL it indicates the number and the typology of the personnel able to perform the maintenance operations by making the assumption that the qualification knowledge experience and skill needed to fulfill the task assigned are proportional to the ranks The following abbreviations are used ST is a qualified person with no less than ten years of experience on the job JT is a qualified person with more than four years of experience on the job is a young technician with less than four years of experience on the job He can be either qualified or undergoing qualification REQUIRED INSTRUMENTS it indicates the tools or the instruments which are used in the card operations Table 4 2 1 List of Recommended Tools and Instruments lists the tools the instruments and the material required to perform th
105. ulses modulated with a peak power of 12 or 25 kW The length and PRF of the pulses are in accordance with the range scale selected The transmission pulses can be Short Medium and Long The Receiver enables reception of echoes and subsequent amplification in the RF Head Figure 9 1 4 pos 7 The Electronics Rack unit also includes power supply circuits for the various functions Figure 9 1 9 The function of the Antenna unit is to 1 Transmit the RF pulses within the specified see Table 1 4 1 vertical and horizontal lobes with horizontal polarization 2 Receive the reflected R F echo signals and guide them towards the RF HEAD 988 10186 003 1 7 ARGUS X BAND RADAR SCANNERS DESCRIPTION AND MAIN CHARACTERISTICS 1 5 Technical Characteristics In Table 1 4 1 the Technical Data Sheet of the ARGUS X Band Radar scan ners with 12 and 25 kW pedestal and 6 9 and 12 feet antennas are given Table 1 4 1 ARGUS X Band Radar scanners technical Data Sheet 1 General Description In this configuration a sturdy and splash proof antenna pedestal houses the following sub assemblies Built in X band solid state controlled Transceiver Transceiver DC Power Supply and external AC DC converter box Antenna Motoreducer Assy High performance plastic gear wheel RF rotary joint Proximity switch for antenna data transmission azimuth and heading line or encoder with 1024 pulses End Feed Slotted Waveguide antenna type Selectabl
106. urface dissipation 10 In order to install the new Magnetron perform the removal operations in reverse order Calibration WARNING IN ORDER TO PREVENT ANY ACCIDENTAL ROTATION OF THE ANTENNA DISCONNECT THE MOTOR UNIT FROM THE BRUSHLESS CONTROLLER BOARD AND UNPLUG THE 5 PIN CONNECTOR 11 On the electric switchboard set to ON the Main Line Break relevant to the unit and remove the warning placard 12 Position the selector S1 of SRT Control Board Chapter 9 Figure 9 1 17 pos 5 on position 2 13 Perform the following operations onthe SRT Power board made a link P1 Chapter 9 Figure 9 1 10 pos 1 before switching on wait for 30 minutes 14 By following the procedures of display manual perform the VCO calibration Final Operations 15 Perform the following operations onthe SRT Power remove the link P1 Chapter 9 Figure 9 1 10 pos 1 on SRT Control Board position S1 Chapter 9 Figure 9 1 17 pos 5 on 0 zero 16 Unlock and close the equipment cover by following the reverse procedure 988 10186 003 4 5 ARGUS X BAND RADAR SCANNERS TROUBLESHOOTING CHAPTER 5 TROUBLESHOOTING 5 1 Introduction 5 1 1 General This chapter provides the procedures to be followed in order to locate the faulty component or part when a problem arises in the 12 25 KW ARGUS X BAND RADAR SYSTEM 5 1 2 Organization The troubleshooting procedures are described by means of flow charts When the faulty component is lo
107. valid voltage out of range Test valid value in range V Test invalid voltage out of range CRC ER Invalid each time a crc error in Rx data will be found 2 5 3 8 DATA SENTENCE 3 PDT3 x x X X X X X X X X X X X X hhhh hh lt CR gt lt LF gt Prog Config 16 bits in hex format Not in use 5VDC Voltage 5VDC Voltage 15VDC Voltage Line Voltage 24 50 VDC 15 VDC Voltage 24 VCO VDC Voltage Heater Voltage Each value of voltage is integer and millivolt 988 10186 003 2 10 ARGUS X BAND RADAR SCANNERS OPERATION 2 5 4 GENERAL NOTES 1 Rates Data transmission rate to TXRX should be Sentence CO2 1 Hz normally or when is necessary Sentence SE2 when is necessary upgrade Sector Blanking Sentence TIM every time is necessary timers information or reset values Sentence DPC every time is necessary digital potentiometer information or value upgrade Sentence CFG only for first setup Sentence SPD only for first setup and when the motor controller is changed Rate shall be not faster than 50 ms between two consecutive sentences Data transmission rate from TXRX are Sentence ST2 1 Hz normally Sentence DAT connection depending 1 Hz Interfaces or 150 ms TXRX Sentences DPI SE2 on request Sentences TIM on request and each 30 minutes of interval after power on Sentence NAC when necessary Sentences HT2 1 Hz normally Sentences DT3 1 Hz normally Sentences CFG on request Sentences SPD on req
108. y painting performed after the installation NOTE Under no circumstances should the Antenna be used to hoist the Pedestal up the mast 988 10186 003 8 6 ARGUS X BAND RADAR SCANNERS INSTALLATION 8 3 2 Mechanical installation The ARGUS X BAND RADAR SYSTEM consists of the following units and type designations Pedestal with 12 25 kW transceiver Argus 12U 25U 6 feet antenna 6 Ft XP 9 feet antenna 9 Ft X P 12 feet antenna 12 Ft X P Optional External optional safety switch 8 3 2 1 Unit pedestal transceiver Prepare the platform for mounting the pedestal Hole diameters and distances are shown in Figure 5 Dimension Drawing The pedestal should be mounted with its lid hinges pointed forward and cable glands pointed astern However the antenna swinging plane must be horizontal in all directions when ship is upright on even keel Consider giving ample space for service especially astern of the scanner If such space cannot be achieved contact manufacturer for installation alternatives NOTE The waveguide protection covers on the antenna and pedestal must not be removed until when mounting the antenna The waveguide joints are to be covered when the antenna is not mounted NOTE The fixing materials to fasten the antenna pedestal to the ship s platform are not provided by the manufacturer Assuming a platform plate thickness of 20 mm four M10 stainless steel bolts of 65 mm length with related nu

Argus X-Band Radar, Technical User Manual

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