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MNC-0500-002

2 of 36

Revision H

Amplifier Communication and Protocol, Octagon ISA CPU

Table of Contents

Paragraph Title

Page

Number

Amplifier Communication and Protocol, Octagon 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

Example of “Base 95”  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Example of “Exclusive OR” Algorithm  . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11
Reject and ASCII Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  11

Commands and Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

Firmware Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Amplifier Queries . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Amplifier Commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

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Summary of Contents for XTU-400K

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

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

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

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

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

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

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