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MNC-0100-003

3

Revision C

Overview, Digital ODU HPAs

Overview, Digital ODU HPAs

Product Overview

This manual is for the Xicom Technology ODU (Outdoor Unit) 
Power Amplifier with microprocessor control. The ODU may be 
mounted on an antenna or other outdoor location without the need 
for an additional watertight enclosure. The standard amplifier 
consists of:

•

a Microwave Tube.

•

an SSA (Solid State Amplifier).

•

a power monitor.

•

a Power Supply.

•

a Linearizer (optional).

•

an M&C (Monitor & Control) system.

•

serial control interfaces (COM1 and COM2).

•

a forced air cooling system.

•

1:1 Waveguide switching capability.

The COM1 interface is RS-232 only; the COM2 interface is 
configured for RS-422/RS-485 operation. There are hardwired 
summary fault and external interlock circuits available for user 
defined functions.

Refer to Figure 1, on page 4 for a typical block diagram of the 
Power Amplifier.

Refer to Appendix titled 

Specifications

 for the details of your 

amplifier.

Control and Status Interface

The amplifier is controlled in Local Mode from the switches on the 
unit or in Remote  Mode from an external controller or M&C system. 
Refer to the Operation and Communication and Protocol Chapters 
to operate the power amplifier in the Remote Mode.

Содержание XTU-400K

Страница 1: ...cial version of this document is located in Xicom Technology Document Control Printed copies are for reference only 3550 Bassett Street Santa Clara CA 95054 USA 408 213 3000 Phone 408 213 3001 Fax www...

Страница 2: ...Document Number MN5 0184 104 Date February 2007 Revision D XTU 400K Operation and Installation Manual...

Страница 3: ...cial version of this document is located in Xicom Technology Document Control Printed copies are for reference only 3550 Bassett Street Santa Clara CA 95054 USA 408 213 3000 Phone 408 213 3001 Fax www...

Страница 4: ...e right to revise this publication and to make changes from time to time in the content hereof without obligation of Xicom Technology to notify any person of such revision or changes Xicom Technology...

Страница 5: ...Warnings Cautions and Notes that are found throughout the manual Chapter Three Provides general installation information communication interface switch settings and cable pinouts Chapter Four Provide...

Страница 6: ...is manual This manual is designed for use by trained operators and technicians who have a thorough knowledge of satellite transmitting and receiving equipment Persons using this manual should familiar...

Страница 7: ...nges ELECTRONIC APPROVAL SEE PLM Revision ECO Description Date Initiated By A 9849 Original Release 05 29 2002 ALCjr B 10125 Replace MNC 0500 013 with MNC 0000 015 08 07 2002 ALCjr C 11383 Update Inte...

Страница 8: ...MNC 0400 001 Chapter 5 Amplifier Communication and Protocol MNC 0500 002 Chapter 6 Preventive Maintenance MNC 0600 003 Chapter 7 Service and Repair MNC 0700 001 Appendix A Product Specifications 305 0...

Страница 9: ...2002 A L Crozier Jr A1 10179 Add numerous abbreviations 08 21 2002 A L Crozier Jr A2 10646 Add more abbreviations CE symbols 01 14 2003 A L Crozier Jr A3 11044 Add more abbreviations 05 15 2003 A L Cr...

Страница 10: ...MNC 0000 010 2 of 10 Revision A7...

Страница 11: ...y of Mechanical Engineers November 1999 ASME Y14 38 1999 Abbreviations and Acronyms Wachal Robert S 1999 Abbreviations Dictionary A practical compilation of today s acronyms and abbreviations Boston N...

Страница 12: ...heck CTRF center frequency CTS Clear to Send CW continuous wave DA digital to analog DAC digital to analog converter dB Decibel dBc Decibels referenced to carrier dBI Decibels referenced to Amperes or...

Страница 13: ...ion leakage HPA High Power Amplifier HV High Voltage Hz Hertz IC integrated circuit IESS Intelsat Earth Station Standards IF Intermediate Frequency I P Input inv inverter IPA Intermediate Power Amplif...

Страница 14: ...Collector MSL mean sea level MTBF mean time between failures MTTR mean time to repair mV milli Volt MW Mega Watt mW milli Watt NAK negative acknowledgement oc overcurrent ODU Outdoor Unit OEM other eq...

Страница 15: ...echnique used to regulate the operating temperature environment of a device TPS Test Performance Sheet TWT Traveling Wave Tube TWTA Traveling Wave Tube Amplifier TXD Transmitted Data UMBC umbilical co...

Страница 16: ...on Amplifier with Flat Display XTKH Xicom Technology Klystron High Efficiency Amplifier Flat Display with Multistage Depressed Collector XTPS Xicom Technology Power Supply XTRD Xicom Technology Rack M...

Страница 17: ...ions Acronyms and CE Symbols CE Symbols Symbol Definition Alternating Current AC CE Marking symbol for equipment and documentation meeting European Quality Standards Earth Ground Fuse Input Local OFF...

Страница 18: ...MNC 0000 010 10 of 10 Revision A7 List of Abbreviations Acronyms and CE Symbols Output Power OFF Power ON Protective Earth Ground Remote Reset Transmitted Power Monitor Symbol Definition...

Страница 19: ...DU HPAs Record of Changes Revision ECO Description Date Initiated By A 9295 Original Release 11 29 2001 A L Crozier Jr B 10359 Update Contacting Xicom Technology paragraph 10 14 2002 A L Crozier Jr C...

Страница 20: ...and Status Interface 3 Physical Characteristics 5 Environmental Characteristics 5 Specifications 5 Contacting Xicom Technology 6 Assistance 6 Feedback 6 List of Figures Number Title Page Number Figur...

Страница 21: ...s COM1 and COM2 a forced air cooling system 1 1 Waveguide switching capability The COM1 interface is RS 232 only the COM2 interface is configured for RS 422 RS 485 operation There are hardwired summar...

Страница 22: ...MNC 0100 003 4 Revision C Overview Digital ODU HPAs Figure 1 Typical ODU Antenna Mount Amplifier Block Diagram...

Страница 23: ...1 Environmental Specifications lists the typical amplifier environmental specifications Refer to the appendix titled Specifications for the environmental specifications unique to your amplifier The am...

Страница 24: ...408 213 3109 24 Hours Facsimile 408 213 3107 Sales sales xicomtech com Feedback Xicom technology wants to receive customer feedback concerning the format content and accuracy of the documentation tha...

Страница 25: ...Format change Table of Contents List of Figures List of tables 09 2001 A L Crozier Jr A 9183 Original Release 10 12 2001 A L Crozier Jr B 9288 Update to include 2kW Amplifiers 11 20 2001 A L Crozier J...

Страница 26: ...es 3 General Warnings and Cautions 5 High Voltage Hazards 5 Ladder Hazards 6 RF Radiation Hazards 7 Magnetic Field 7 Sicherheit 8 Allgemeine Information 8 Zusammenfassungen 8 Beschreibung 8 Warnungen...

Страница 27: ...ied in this chapter are applicable to anyone doing the procedures included in this manual Warnings Cautions and Notes Warnings cautions and notes are used in these procedures to alert the user to spec...

Страница 28: ...nnel could result from radio frequency burns WARNING This symbol denotes a LADDER FALL HAZARD WARNING in a procedure step and is used whenever death or injury to personnel could result from improper u...

Страница 29: ...re to comply could result in serious injury or death WARNING The power amplifier uses high voltage that may be lethal if contacted When the amplifier s power supply cover is removed multiple high volt...

Страница 30: ...probe to ensure capacitors are discharged ensure meter probes are properly insulated and capable of handling votlages of 20 kV or more attach probes using one hand ensure probes are not touching othe...

Страница 31: ...to comply could result in serious injury or death Caution Never operate the amplifier with an open waveguide The waveguides and Microwave Tube should always be terminated into a load capable of dissip...

Страница 32: ...thaltenen Verfahren durchf hrt Warnungen Vorsichtshinweise und Hinweise Warnungen Vorsichtshinweise und Hinweise werden in diesen Verfahren verwendet um den Benutzer auf besondere Bedingungen bez glic...

Страница 33: ...INES LEITERSTURZES bei einem Verfahrensschritt und wird stets verwendet wenn Mitarbeiter durch unsachgem es Hantieren mit einer Leiter get tet oder verletzt werden k nnten WARNUNG Dieses Symbol bedeut...

Страница 34: ...n WARNUNG Der Leistungsverst rker steht unter Hochspannung die bei Ber hren t dlich sein kann Wenn die Abdeckung der Stromversorgung des Verst rkers entfernt wird liegen mehrere Hochspannungskontakte...

Страница 35: ...batterie vornehmen Nichtbefolgen k nnte schwere Verletzungen oder Tod zur Folge haben WARNUNG Wenn Sie Spannungen in einer Hochspannungsstromversorgung messen m ssen schalten Sie das Ger t AUS benutze...

Страница 36: ...olge haben Gefahren durch Hochfrequenzstrahlung WARNUNG Der Leistungsverst rker ist in der Lage eine hochgradige Mikrowellenstrahlung zu erzeugen die k rperliche Sch den verursachen kann Stellen Sie v...

Страница 37: ...isches Feld Die R hre kann besch digt werden wenn sie in Kontakt mit magnetischen Objekten oder Werkzeugen kommt WAS SIE NICHT D RFEN den Verst rker auf einer magnetischen Lagerfl che abstellen f r Au...

Страница 38: ...Safety Sicherheit MNC 0200 001 14 of 14 Revision E...

Страница 39: ...2002 A L Crozier Jr F 10980 Update Figure 5 to show proper pinouts 04 22 2003 A L Crozier Jr G 11340 Add Waveguide Torque Table 08 13 2003 A L Crozier Jr H 11883 Correct pinouts on MS Power Plug Add...

Страница 40: ...tallation 9 Power and Interface Interconnections 10 Prime Power Connections 10 External Interlock Prime power enable 11 Monitor and Control Connector 12 Monitor and Control Pinouts 12 Redundancy Inter...

Страница 41: ...for Standard Unit 10 Figure 4 Connector J2 Pinout for EIK Unit 11 Figure 5 MS Connector J2 Pinout 11 Figure 6 Prime Power Enable Circuit 11 Figure 7 M C Connector Pin Layout 12 Figure 8 Waveguide Swit...

Страница 42: ...g and Installation TWTA Octagon CPU List of Tables Paragraph Title Page Number Table 1 Recommended Waveguide Flange Torque 9 Table 2 Monitor and Control Connector Pinouts 13 Table 3 Redundancy Interfa...

Страница 43: ...ved Save all data sheets They will be useful during any maintenance actions Save the shipping container and packing material and use it if you need to reship the unit Inspection Inspect all items for...

Страница 44: ...that the proper matching waveguide flange is used to connect the amplifier input and output to the RF load Refer to Figure 1 Typical 4 Screw Mounting Flange Tightening Sequence and Figure 2 Typical 8...

Страница 45: ...n should be utilized to eliminate potential strain on the waveguide connection 3 Insert any necessary gaskets and windows between the two flanges Note The waveguide that is connected to the HPAs shoul...

Страница 46: ...artially tighten that screw Move clockwise to the next screw to be tightened 3 and partially tighten that screw Move to the screw diagonally opposite screw 3 and partially tighten that screw 4 If requ...

Страница 47: ...s recommended to allow the heated exhaust air to clear the power amplifier air inlet If the unit is installed in a closed cabinet or in a configuration that would tend to recirculate the exhaust air p...

Страница 48: ...ime Power Connections The AC Prime Power receptacle is located on the amplifier front panel Nominal line voltage is 100 to 260 VAC 180 to 260 VAC on some high power units 47 63 Hz single phase The amp...

Страница 49: ...e 5 MS Connector J2 Pinout Refer to the Outline Drawing in the appendix titled Mechanical Drawings External Interlock Prime power enable To enable heater voltage high voltage and monitor and control f...

Страница 50: ...COM1 RS 232 Serial Port COM2 RS 422 RS 485 Serial Port Two sets of Form C Relay contacts for Summary Fault indication External Interlock RF Inhibit Control 24 VDC 100 mA maximum 15 VDC for monitoring...

Страница 51: ...smit N RS 422 485 Receive P RS 422 485 Receive R RS 422 485 GND S Summary Fault A Normally Open Contact T Summary Fault A Normally Closed Contact U Summary Fault A Common V Summary Fault B Normally Op...

Страница 52: ...nal Function A Sum Fault Ind IN When in backup mode opens when other amp in redundant system faults Contact closure only Unit switches online B Sum Fault Ind OUT When online opens during fault Backup...

Страница 53: ...Inhibit command is factory set to disable high voltage to the tube Figure 9 RF Inhibit with Internal Source shows the RF Inhibit circuit using the TWTA internal 15 VDC and ground RF will be inhibited...

Страница 54: ...and external references can result in damage to the equipment if there is a difference in ground potential between the controller and the TWTA If you need to invert the RF Inhibit logic RF inhibited...

Страница 55: ...ier will respond to commands from either interface The last command received has precedence COM1 is an RS 232 only serial interface No switch settings are required for COM1 Table 2 Monitor and Control...

Страница 56: ...Unpacking and Installation TWTA Octagon CPU MNC 0300 003 18 of 22 Revision N Figure 12 Typical RS 485 2 Wire Duplex Implementation Figure 13 Typical RS 485 4 Wire Full Duplex Implementation...

Страница 57: ...c The return for this voltage is either Pin a or Pin Z J1 f A 15 VDC voltage is supplied that can deliver up to 10 mA This supply voltage is available on Pin f for monitor purposes The return for thi...

Страница 58: ...t power ON or OFF High Voltage used to turn the High Voltage Power Supply ON and OFF or to Reset the High Voltage Power Supply Local Remote Override used to switch the amplifier from Local Mode Manual...

Страница 59: ...ion will exist for approximately three minutes Wait for the LED to stop blinking before proceeding to Step 6 6 When the amplifier has reached the end of Heater Time Delay the LED will change to solid...

Страница 60: ...Unpacking and Installation TWTA Octagon CPU MNC 0300 003 22 of 22 Revision N...

Страница 61: ...st of Tables 09 2001 A L Crozier Jr A 9183 Original Release 10 21 2001 A L Crozier Jr B 9294 Add WRemote information and adjust for ODU coverage 11 2001 A L Crozier Jr C 10095 Incorporate changes crea...

Страница 62: ...nus and Screens 16 Status 2 Menu 16 Display All Menu 16 Setup Menu System 19 Default Menus 20 Default Menu 1 20 Default Menu 2 21 Buzzer Volume Menu 23 Exiting the Default Menus 24 Alarms Faults Menu...

Страница 63: ...al Setup and Operation 45 General 45 Operating Configurations 47 Operating Modes 47 Filament Time Delay Mode FTD 47 Standby Mode 48 Heater Standby Mode 48 High Voltage ON Mode 48 Fault Mode 49 Clearin...

Страница 64: ...en 13 Figure 6 Status 1 Menu 15 Figure 7 Status 2 and Displayall Menus 19 Figure 8 Setup Menu 1 20 Figure 9 Default Menus 23 Figure 10 Alarms Faults Setup Submenus 27 Figure 11 Setup Menu 2 30 Figure...

Страница 65: ...k and Digital HPAs List of Tables Number Title Page Number Table 1 LED Indicator Definitions 8 Table 2 Keyboard Functions 10 Table 3 Summary Record Amplifier Operating Parameters 12 Table 4 TWTA Fault...

Страница 66: ...MNC 0400 001 6 of 54 Revision G Operation Rack and Digital HPAs...

Страница 67: ...a rackmount amplifier This program controls both rackmount and digital ODU amplifiers WRemote is available from Xicom Technology Xicom part number 809 0001 001 Controls and Indicators The amplifier is...

Страница 68: ...the top line of the display Table 1 LED Indicator Definitions Nomenclature Color Functional Description When lit Power Green Indicates AC Power Switch circuit breaker is ON and prime power is applied...

Страница 69: ...een A compressed menutree showing all the menus and screens is included as Figure 18 Figure 19 and Figure 20 as an aid to the operators Figure 2 Status Menu 1 Display and Softkeys Front Panel Keyboard...

Страница 70: ...essor The Gain control is used in conjunction with Enable key when the Enable key is ON Table 2 Keyboard Functions Key Name Function HV On Pressed to set amplifier high voltage ON Used in conjunction...

Страница 71: ...fier Note The AC Power Switch on multiple drawer TWTA Racks is located on the rear panel of the Power Supply Drawer Assembly Conventions The conventions used in this guide in the presentation of the m...

Страница 72: ...er No 1 Amplifier No 2 Amplifier No 3 Amplifier No 4 Amplifier No 5 Amplifier No 6 Poll Address RF Output Power Setting Watts dBm dBw Max Refl Power Set Point Alarm On Off Fault On Off Maximum Power S...

Страница 73: ...the Startup Screen is replaced by the Status 1 Menu Figure 5 Startup Screen Figure 5 is an example of a Startup Screen Figure 6 is the Status 1 Menu To return to the startup screen from either Status...

Страница 74: ...displays available Step sequence is Watts dBm dBw Watts Softkey 3 Temporarily changes the temperature units used for the temperature data display Toggles between degrees F Fahrenheit and degrees C Ce...

Страница 75: ...sion G Operation Rack and Digital HPAs Figure 6 Status 1 Menu Note The information within the dotted portion of Figure 6 is for illustrative purposes only This information is not displayed on the ampl...

Страница 76: ...Inhibit ON If neither of the above conditions exist the message will be Helix XX X mA where X actual helix current in mA Status 2 Menus and Screens Status 2 Menu The Status 2 Menu top menu of Figure...

Страница 77: ...tus 2 Menu is set via the Setup Menus which are discussed later in this chapter Three of the softkeys of the Displayall Menu are active The functions of these three softkeys are Softkey 1 Temporarily...

Страница 78: ...MNC 0400 001 18 of 54 Revision G Operation Rack and Digital HPAs Note The information within the dotted portion of Figure 7 is for illustrative purposes only This information is not displayed...

Страница 79: ...amplifier to meet user interface and operational requirements Entries made via the Setup Menus change the amplifier default parameters and operation These menus are used to Set the power up defaults C...

Страница 80: ...f the Setup 1 Menu are active The Setup 1 Menu softkey functions are Softkey 1 Pressed to access the Default 1 Menu Softkey 2 Pressed to access the Alarms Faults Menu Softkey 3 Pressed to access the T...

Страница 81: ...the Default Menu 2 are listed in the menu All four softkeys are active The Default Menu 2 softkey functions are Softkey 1 Toggles Heater Standby ON and OFF Factory default is ON Softkey 2 Toggles the...

Страница 82: ...the TWTA cover is securely in place Failure to comply could result in injury or death WARNUNG Vergewissern Sie sich zur Vermeidung elektrischer Schl ge vor Benutzung des HV ON Startup Modus dass die T...

Страница 83: ...sed Value shown on the line to the left of this softkey is the current volume level setting one of eight steps Softkey 3 Pressed to increase audio alarm volume When this key is pressed the audio alarm...

Страница 84: ...oftkey 2 Pressed to access the Set Max Power Menu This menu allows the user to set the trip point at which an alarm or fault will occur when the RF output exceeds the value set for the trip point Soft...

Страница 85: ...ntry The Set Max Power Menu softkey functions are Softkey 1 Cycles one step each time the softkey is pressed The step sequence is OFF ALARM FAULT OFF etc The three choices are OFF Disables the alarm a...

Страница 86: ...states are OFF Disables the minimum power detection circuit alarm and faults ALARM Enables the minimum power detection circuit alarm The display will show the Alarm and the buzzer will sound but High...

Страница 87: ...but High Voltage will NOT be shut off FAULT Enables the minimum power fault detection circuit The display will show Fault the buzzer will sound and the High Voltage will shut off Softkey 2 Not Used Nu...

Страница 88: ...eguide arc fault circuit The fault line on the amplifier will change state This is only applicable if W G Arc detection installed Note Press Enter to move back one level in the setup menu system Press...

Страница 89: ...nd Digital HPAs Press Softkey 2 to access the Offset factor Menu This menu allows the user to adjust displayed output power up or down by a given amount in dB Softkey 3 allows you to turn RF Inhibit O...

Страница 90: ...MNC 0400 001 30 of 54 Revision G Operation Rack and Digital HPAs Figure 11 Setup Menu 2...

Страница 91: ...Used Softkey 4 Not Used Offset Factor Menu This menu allows offset of RF power output to compensate for waveguide losses and antenna gain The front panel 10 key pad and three of the softkeys are acti...

Страница 92: ...nearizer is installed press to access the Linearization Menu Softkey 3 If HPA is multi band press to access the Select band Menu Softkey 4 Press to access Setup Menu 4 Time Date Menu Softkey 1 Time va...

Страница 93: ...provides access to the Configure COM1 Configure COM2 Set System Address sub menus and Setup Menu 5 which is used to Calibrate Attenuator and Replace Firmware Softkey 1 Accesses the Configure COM1 Menu...

Страница 94: ...e serial port baud rate Cycles one step each time the Softkey 1 is pressed The step sequence is Softkey 2 Sets parity Cycles one step each time Softkey 2 key is pressed The step sequence is None Even...

Страница 95: ...None Even Odd None etc Softkey 3 Sets the data stop bits Toggles between 8 1 and 7 2 Press Enter to return to Menu 4 Set System Address One soft key is active Refer to Figure 14 Softkey 1 Not used So...

Страница 96: ...tion Figure 15 Setup Menu 5 Fault Alarm Report Displays The Alarm Report Displays work in the same way as the Fault Report Displays discussed in this section When a fault occurs the amplifier sounds a...

Страница 97: ...MNC 0400 001 37 of 54 Revision G Operation Rack and Digital HPAs...

Страница 98: ...tubhot Tube Temp Fault 2kWatt only F su plhot Supply Fault 2 kWatt only F vswr VSWR Reflected Power F hvundr HV Under F hvover HV Over F lowlne Lowline F hamomt Momentary Helix Arc F haltch Helix Arc...

Страница 99: ...rm is enabled the buzzer sounds Note Latched fault circuits are always enabled and cannot be disabled by the operator The user has two options Disable the buzzer continue in the faulted condition Clea...

Страница 100: ...mplifier output to a new value Respond to the fault report and correct the fault condition e g correct prime power to alleviate a low line condition For a known cause such as a transient line voltage...

Страница 101: ...MNC 0400 001 41 of 54 Revision G Operation Rack and Digital HPAs...

Страница 102: ...MNC 0400 001 42 of 54 Revision G Operation Rack and Digital HPAs Figure 18 Menutree Sheet 1 of 3...

Страница 103: ...MNC 0400 001 43 of 54 Revision G Operation Rack and Digital HPAs Figure 19 Menutree Sheet 2 of 3...

Страница 104: ...MNC 0400 001 44 of 54 Revision G Operation Rack and Digital HPAs Figure 20 Menutree Sheet 3 of 3...

Страница 105: ...ier is connected to an operational load or a dummy load capable of dissipating rated RF output power Note It is recommended that operating time standby and beam on operating conditions power level and...

Страница 106: ...MNC 0400 001 46 of 54 Revision G Operation Rack and Digital HPAs recorded in a power amplifier log Amplifier run time records are maintained by the amplifier...

Страница 107: ...mmand set is required for REMOTE operation Operating Modes The operating modes of the TWTA are described in the following sections There are four amplifier operating modes Filament Time Delay Standby...

Страница 108: ...cathode is reduced to a temperature slightly below the normal operating temperature When high voltage is turned on it overrides the heater standby command and returns the heater voltage to its normal...

Страница 109: ...on of the high voltage system TWT Over Temperature Fault A TWT over temperature fault will clear itself once the temperature of the TWT s collector is reduced to a safe operating level High voltage wi...

Страница 110: ...ing Alarms and Faults See Menu and Screen Descriptions on page 13 for information about clearing the alarms and faults Initial Turn On Procedure This procedure applies the first time the unit is opera...

Страница 111: ...me This action assures that high voltage will be OFF when the Filament Time Delay Cycle is over 3 Press and hold the Enable key while rotating the Gain Control to minimum gain fully counter clockwise...

Страница 112: ...angesteuert so wird die R hre bersteuert Nichtbefolgen kann das TWT dauerhaft besch digen 10 Press the Enable and HV OFF keys at the same time This turns high voltage OFF The Standby and Htr Standby...

Страница 113: ...d applied to the TWT The Standby and Htr Standby Indicators should turn OFF 4 Select Local or Remote operation The TWTA is on line Normal Turn Off When the amplifier is going to be off for an extended...

Страница 114: ...MNC 0400 001 54 of 54 Revision G Operation Rack and Digital HPAs...

Страница 115: ...Crozier Jr A 9183 Original Release 10 12 2001 A L Crozier Jr B 9768 Update Summary Status and Screen Function 05 01 2002 A L Crozier Jr C 9852 Update to reflect Octagon ISO CPU only 05 22 2002 A L Cro...

Страница 116: ...n ISA CPU 5 Overview 5 Communication 5 Digital HPAs 5 Analog HPAs 5 Compatibility 5 Protocol 7 Overview 7 Message Format 7 RS 485 7 Printable vs Non Printable Protocols 8 Communication Parameters 9 Ex...

Страница 117: ...MNC 0500 002 3 of 36 Revision H Amplifier Communication and Protocol Octagon ISA CPU List of Figures Paragraph Title Page Number Figure 1 Basic Configuration 6...

Страница 118: ...Number Table 1 Standard Packet Format 9 Table 2 Packet Format Redundant Controller XTC 100 Family 9 Table 3 Start Byte End Byte Check Byte 10 Table 4 Check Byte Calculation 10 Table 5 Command Reject C...

Страница 119: ...Power Switch all operation of digital HPAs can be completely controlled via the serial interface RS 232 RS 485 Analog HPAs With a Xicom digital controller analog HPAs can be completely controlled usin...

Страница 120: ...MNC 0500 002 6 of 36 Revision H Amplifier Communication and Protocol Octagon ISA CPU Figure 1 Basic Configuration...

Страница 121: ...a master device to selectively communicate with individual devices that are sharing a RS 485 bus Each message has a mandatory message byte followed by a variable number of parameters Some messages ha...

Страница 122: ...top bytes are non printable they cannot be confused with message parameters which are always printable Also different start bytes are used to indicate whether a message was accepted or rejected For ne...

Страница 123: ...8 1 or 7 2 but not 8 2 etc The default communication parameters are 9600 baud N 8 1 unless otherwise requested Parameters are selected on rack HPAs using the front panel interface Parameters are selec...

Страница 124: ...table Message ASCII ASCII Response Message Accepted or Rejected Base 95 Message STX ETX Non Printable Response Message Accepted ACK ETX Exclusive OR Message Rejected NAK ETX Table 4 Check Byte Calcula...

Страница 125: ...SCII L Example of Exclusive OR Algorithm Message ID Version Query STX A 0 ETX ASCII Progressively XORs the bytes to establish the check byte Check byte STX A 0 ETX ASCII character may be non printable...

Страница 126: ...d byte not recognized b Illegal parameter or parameter out of range c System in local mode d Slow command being executed e Hardware or Software failure f High voltage is OFF g RF is inhibited h HPA Po...

Страница 127: ...4 095 5F LF 010 0A 5 053 35 096 60 VT 011 0B 6 054 36 a 097 61 FF 012 0C 7 055 37 b 098 62 CR 013 0D 8 056 38 c 099 63 SO 014 0E 9 057 39 d 100 64 SI 015 0F 058 3A e 101 65 DLE 016 10 059 3B f 102 66...

Страница 128: ...76 033 21 L 076 4C w 119 77 034 22 M 077 4D x 120 78 035 23 N 078 4E y 121 79 036 24 O 079 4F z 122 7A 037 25 P 080 50 123 7B 038 26 Q 081 51 124 7C 039 27 R 082 52 125 7D 040 28 S 083 53 126 7E 041...

Страница 129: ...without an attenuator will reject command C Set Attenuator In the Commands and Queries in this section compatibility issues are noted when relevant Table 7 provides the operators and technicians a li...

Страница 130: ...Go To Power dBW 27 Go To Power Watts 27 Constant Power dBW 28 Constant Power Watts 28 Terminate Constant Power 28 RF Inhibit 28 Clear RF Inhibit 29 Set Attenuator 29 Min RF Power Trip 29 Max RF Power...

Страница 131: ...nse MMMMMMMVRR MMMMMMM is the amplifier model number V is the firmware version number RR is the firmware revision level Optional Parameter 00 Returns the following Response MMMM MMM SSSSS V RR MMMM MM...

Страница 132: ...DUs this bit means AMP Not Connected Bit 0 Auto HV ON HV selected but HV not ON Notes Power Supply Enabled is only defined for amplifiers connected to a controller If you query an amplifier through a...

Страница 133: ...it 2 Low Output Power Bit 1 High Output Power Bit 0 Waveguide Arc Fault If configured with waveguide arc detector Notes Low Output Power High Output Power and High Reflected Power are user defined fau...

Страница 134: ...ilable when querying analog amplifiers via a controller Power in dBW Command Byte 6 Response XX X dBW This is the HPA output power in dBW as adjusted by the offset factor entered through the HPA front...

Страница 135: ...ormatted as follows Bit 7 Reserved Bit 6 Complement of bit 5 Bit 5 High Output Power Bit 4 Low Output Power Bit 3 High Reflected Power VSWR Bit 2 Reserved Bit 1 Reserved Bit 0 Reserved Notes Low Outpu...

Страница 136: ...ng virtually any measurement you might want Measurements are requested using a variable length parameter list The length of the response will vary according to the measurements selected Measurements a...

Страница 137: ...Power XXXX in Watts HV OFF or RF not detectable X X 8 Attenuator Setting XXXX counts 9 Alarm Status X A Attenuator XX X in dB H High Power Alarm Fault Trip point and setting A XX X in dBm generate ala...

Страница 138: ...in o Celsius Right Justified and Padded with Spaces V Helix Voltage XX X in KV Z Linearizer Amplitude 0 4095 counts conversion equation is V Z 10 4096 z Linearizer Phase 0 4095 counts conversion equa...

Страница 139: ...ns information on COM2 R returns RS 485 Configuration Response for 1 and 2 CBBBBBBPDS C Communications port 1 COM1 2 COM2 BBBBBB Current baud rate Example 019200 P Parity N O or E D Data bits 8 or 7 S...

Страница 140: ...nd enable or disable power to the specified amplifier Heater Standby Command Byte Function Enables Disables Heater Standby mode Parameters 0 Disable Heater Standby 1 Enable Heater Standby High Voltage...

Страница 141: ...e of the TWT A recommended alternative is to use a Go To Power command D or E Parameter XXXX steps This is an integer preceded by or This offset is applied to the current attenuator count which ranges...

Страница 142: ...ibility Attenuator required Constant Power Watts Command Byte G Function The HPA seeks the specified power level until Constant Power is terminated by Goto Power Command Byte D or E or Terminate Const...

Страница 143: ...the tube Response Resulting attenuation in XX X dB If the user specified an attenuation value outside the attenuator s range the closest valid value will be used Note Use this to find max attenuation...

Страница 144: ...be performance on certain units Parameters 1 Reduces the high voltage level sets Ku band mode 0 Restores the high voltage level to it s default state Compatibility Triband HPAs only Reflected RF Trip...

Страница 145: ...itch 1 1 configuration 2 is power combined system with two waveguide switches 1 1 configuration 3 is redundant system with a load switch on the output 1 1 w load 4 Reserved Enable RF Limits Command By...

Страница 146: ...d a UM command to the other amplifier to prevent unwanted automatic mode switches Compatibility For Redundant ODUs only Time and Date Command Byte Function Sets the Amplifier internal clock The clock...

Страница 147: ...ellent method for setting up digital outdoor amplifiers Standard Parameters for all digital amplifiers A variable length sequence of characters each simulating a single front panel action 0 1 2 3 4 5...

Страница 148: ...rwise use the standard parameter list Rack amplifiers normally require that the enable key be pressed to process certain front panel inputs However this is not a requirement for processing simulated f...

Страница 149: ...C Communications port to configure 1 COM1 2 COM2 BBBBBB Desired baud rate 057600 038400 019200 009600 004800 002400 001200 P Parity N O or E D Data bits 8 or 7 S Stop bits 1 or 2 Parameter Format 2 RA...

Страница 150: ...MNC 0500 002 36 of 36 Revision H Amplifier Communication and Protocol Octagon ISA CPU...

Страница 151: ...ion Date Initiated By A 9295 Original Release 11 29 2001 A L Crozier Jr B 9664 Update Record of Changes page to remove chapter number 03 19 2002 A L Crozier Jr C 11429 Add paragraph about spare HPA 08...

Страница 152: ...tive Maintenance 3 Requirements 3 Monthly 3 Quarterly 3 Spare Amplifiers 3 Maintenance Procedures 4 Lower Deck 4 Battery Disposal Instructions 4 General Information 4 Europe 4 United States 5 Wartungs...

Страница 153: ...all connections are clean and tight the Lower Deck Cover Spare Amplifiers To ensure the working integrity of spare amplifiers within the first 6 months following delivery Xicom Technology recommends...

Страница 154: ...cedure beginning with step 4 Battery Disposal Instructions Caution Risk of explosion if battery is replaced by an incorrect type Dispose of used batteries according to the manufacturer s instructions...

Страница 155: ...ignificant amount of spent cells and batteries that are untreated and not fully discharged are considered as reactive hazardous waste Hazardous waste of spent cells and batteries can be disposed of af...

Страница 156: ...eutralisation beendet ist Vereinigte Staaten Lithium Batterien sind in den Regulativen ber Sonderm ll der Federal Environmental Protection Agency EPA Bundesbeh rde f r Umweltschutz wie sie aus dem Res...

Страница 157: ...Figures List of Tables 09 2001 A L Crozier Jr A 9183 Original Release 10 12 2001 A L Crozier Jr B 9359 Delete figure 1 and attach RMA Form PDF at end of chapter 11 27 2001 A L Crozier Jr C 9395 Remov...

Страница 158: ...r Table of Contents Paragraph Title Page Number Service and Repair 3 Introduction 3 Return Authorization 3 Returned Material Authorization 3 Shipping Information 4 Figure 1 RMA Request Form Example 5...

Страница 159: ...maintenance manuals are provided to all personnel who complete the equipment operation and repair training program The maintenance manuals include all the necessary documents to service and repair Xic...

Страница 160: ...ugated boxes Ensure there is adequate packing material between the equipment and the outside box Seal the container with heavy packing tape or metal bands Mark the container with the words FRAGILE DEL...

Страница 161: ...we have a purchase order in place Price for this repair Includes all repair parts labor upgrades and full testing Purchase order number TWT and Linearizer Excluded they will be quoted on a parts and...

Страница 162: ...MNC 0700 001 6 Revision F Service and Repair...

Страница 163: ...005 AA 12972 K Update Appendix A 07 11 2005 JT 12925 J Add para 3 1 16 1 4 06 06 2005 JT 12468 H Add reflected power protection 10 07 2004 JT 11773 G Change 3 1 2 3 aned App A 01 14 2004 JT 11655 F Ch...

Страница 164: ...ncy Input 950 to 1700 MHz 3 1 1 3 Frequency Reference 10 MHz 3 1 2 Power 3 1 2 1 Reference TWT power of 400 W 56 0 dBm min RF Output Power Prated at flange 350 W 55 4 dBm min 3 1 2 2 Reference Power 0...

Страница 165: ...ay any 80 MHz 3 1 10 1 Linear 0 01 nS MHz max 3 1 10 2 Parabolic 0 005 nS MHz squared max 3 1 10 3 Ripple 0 5 nS Pk Pk max 3 1 11 Phase Noise profile IESS 309 Rev 2 3 1 12 Spurious Signals 3 1 12 1 Re...

Страница 166: ...l control and the menu system for the local control are detail in the operation and installation manual for this product Please refer to that document for detailed information 3 1 16 1 Controls Local...

Страница 167: ...eater Voltage 3 1 17 2 6 Heater Hours 3 1 17 2 7 Beam Hours 3 1 17 2 8 High Voltage Fault 3 1 17 2 9 Helix Current Fault 3 1 17 2 10 TWT Temperature Fault 3 1 17 2 11 Summary Fault QTY 2 3 2 MECHANICA...

Страница 168: ...operating 0 to 10 000 ft MSL Derated 2 C 1000 feet 4 2 4 Cooling Forced air 5 0 TESTING REQUIREMENTS 5 1 Acceptance Test Procedure ATP requirements Frequency 3 1 1 Power 3 1 2 Transfer curve at mid b...

Страница 169: ...graph No Test Description Test Condition Min Max Units Measured Performance Pass or Fail 3 1 1 3 1 1 1 Frequency Translation Test Frequency Fout Fout 12 8 GHz IF Fout 13 75 GHz 14 00 GHz 14 25 GHz 14...

Страница 170: ...nal STD Freq 13 75 14 50 GHz Bandwidth 80 MHz N A 1 3 dB 80 MHz Pass Fail 3 1 1 3 1 5 3 Gain slope STD Freq 13 75 14 50 GHz Bandwidth 1MHz N A 04 dB MHz Pass Fail 3 1 1 3 1 7 Harmonic Output 2LO 2IF 2...

Страница 171: ...Pass Fail 3 1 1 3 1 12 5 Out of Band Spurious LO 2IF 14 7 GHz Freq 10 95 to 12 75 GHz N A 60 dBc See attached plot Label Plot 3 1 12 5 Pass Fail N A 1550 VA Pass Fail 100 VAC 60 Hz Po Prated Freq 14 1...

Страница 172: ...ROPERTY OF XICOM TECHNOLOGY REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED XTU 400K II 13 75 14 5 DIG DET RF VGIPA Document No 305 0184 104 REV N Page 10 of 10 THIS PAGE LEF...

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Страница 182: ...Upconverter Record of Changes Revision ECO Description Date Initiated By A 10125 Original Release 08 05 2002 A L Crozier Jr B 10516 Add X and DBS Band Information 12 06 2002 A L Crozier Jr C 12612 Ad...

Страница 183: ...p and Turn On 6 Reference Oscillator Drift Compensation 7 Figure 1 Typical Block Diagram of a High Power Amplifier with Block Upconverter 3 Figure 2 Reference Frequency Phase Noise Chart 4 Figure 3 De...

Страница 184: ...overall system stability and phase noise A typical phase noise requirement for a reference source is shown in Figure 1 The phase noise of the modem input signal at the IF frequency also affects the s...

Страница 185: ...esizer and IF frequency to the mixer The synthesizer generates the LO frequency from the reference frequency and filters it to eliminate unwanted harmonics The LO is amplified and passed to the LO por...

Страница 186: ...MNC 0000 015 5 of 8 Revision C Operation Addendum Block Upconverter Figure 3 Detailed BUC Block Diagram...

Страница 187: ...us signals such as IF and reference frequency products must be below 60 dBc The output frequency accuracy depends on the accuracy of the refer ence and IF frequencies The determining ratios for the fr...

Страница 188: ...gh voltage circuit Note The power levels and frequencies discussed in the paragraphs above are representative of typical BUC performance The specific power levels and frequencies that the BUC in the H...

Страница 189: ...MNC 0000 015 8 of 8 Revision C Operation Addendum Block Upconverter Figure 4 Drift Compensation Block Diagram...

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