50 Watt Ka-band Grid Amplifier™ BUC User Manual
Contents
1. Feedmount BUC User Manual AOR ESI REAM MONITOR AND CONTROL I NTERFACE PINOUT Pin A STDBY TX 1 Safety Interlock1 Unit will not turn on if not grounded Pin B STDBY TX 2 Safety Interlock2 Unit will not turn on if not grounded Pin C OVERTEMP High if Over Temperature event is occurring Pin D OVERRIDE Short Active High High Battle Short Pin RESERVED Pin REF LOCK DSCRT Reports acquisition of reference signal and upconverter has locked active Pin G Pin H Pin J RE FWD PWR Analog Output Voltage Proportional to RF Forward Output Power Pin K Pin L Pin M Pin N Pin P Pin R Pin 6 Pin T Pin U Pin V Pin W Pin X Pin Y Pin Z Pin a Pin b Pin c Pin d Pin e Pin f Pin g Pin h Pin j The default SABUS address of the unit is Ox30 hex December 2007 Page 16 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual ada REAM GROUND STUD Located between connectors 3 and 415 a ground stud which is screwed into the main body of the Unit This should be used to ground the Unit to the rest of the system MOUNTING I NTERFACE The Unit is designed to mount to a plate the 2 sets of 24 20 bolt holes located on each side of the Unit The plate should be designed to be capable of carrying the weight of the Unit That plate is the typically attached to a feed arm or other platform No conductive cooling 15 assum2. REA M 50 Watt Ka band Grid Amplifier User Manual December 2007 Page 1 90 005 0003 Rev X01 P STREAM 50 Watt Ka Feedmount BUC User Manual About This Handbook This document describes Wavestream s 50 Watt Ka band Grid Amplifier Block Upconverter BUC herein referred to as the Unit Updated documentation may be available on our website at www wavestream com or from Wavestream s sales group sales wavestream com This User Manual covers installation and configuration of the 50W Ka band Grid Amplifier BUC models 050 500 and 050 0 Separate manuals cover other Wavestream products Notices Wavestream document 90 005 0003 Copyright 2007 Wavestream Corporation All rights reserved Wavestream Spatial Power Advantage Powerstream Grid Amplifier and the Wavestream logo are trademarks of the Wavestream Corporation All other trademarks are properties of their respective owners The information provided in this User Manual is being provided by Wavestream Corporation as a service to our customers Although every effort has been made to verify the completeness and accuracy of the information contained in this manual due to the highly technical nature of the material and the dynamic nature of the satellite communications Wavestream cannot be responsible for any errors and omissions December 2007 Page 2 90 005 0003 Rev X01 STREAM 50 Watt Ka F
3. LRC value computed by a device during message reception 2 State 1 device idle state if a checksum byte is false received LRC value of checksum byte does not equal LRC value computed by a device during message reception State 5 Command Execute State In State 5 a device having completed a reception of SAbus message executes a device s function specified by a command byte A device will send and appropriate response message to a master controller within 100 milliseconds after receiving the last character of the message A device will always exit State 5 and enter State 1 Device Idle State December 2007 Page 41 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 RE A M ECO REQUESTOR BRIEF DESCRIPTION DATE Gary Echo Mi X01 Initial Rel pon Keith King nitial Release 12 18 07 December 2007 Page 42 90 005 0003 Rev X01
4. Master and Slaves GENERAL SAbus INFORMATION The following paragraphs provide general information pertaining to the SAbus Detailed information pertaining to the SAbus interface command set follows this section December 2007 Page 34 90 005 0003 Rev X01 SLAVE N RE A M 50 Watt Feedmount BUC User Manual 5 SAbus Protocol SAbus interface is a multi drop balanced line asynchronous full duplex communications link designed to interconnect equipment for remote control and Switching applications Products that are SAbus compatible can be linked together over a parallel connected 4 wire circuit without regard to their particular function Each SAbus configuration can have one master and up to 63 slave devices see Figures 2 and 3 Each slave device 15 internally configured to respond to a unique address A master could be a protection switch earth station controller or any microcomputer or minicomputer that is electrically and operationally compatible with the SAbus Since the electrical specifications are very similar to EIA standards RS 422 485 and RS 449 virtually any computer that meets these standards is capable of controlling remote devices over the SAbus Data Format SAbus data format supports industry s standard asynchronous ASCII format with one start bit eight data bits 7 bit ASCII with the 8th bit set to even parity and one stop bit The ASCII control character subset 00 1F hex are used for addr
5. N type connector J 1 December 2007 Page 22 90 005 0003 Rev X01 RE A M 50 Watt Feedmount BUC User Manual 5 REA M The final connection is the AC power cord One end of this cord shall be connected to the AC Connector J3 on the Unit The other end needs to be plugged into either a generator or into an isolation transformer Please see the important note pertaining to this in Section 2 entitled Use the Correct Power Source NOTE Do not energize the unit until the unit is completely installed on the feed and antenna The unit emits high power RF energy which could be harmful to the human body December 2007 Page 23 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 LR E AM TROUBLESHOOTI NG TBS December 2007 Page 24 90 005 0003 Rev 01 50 Watt Feedmount BUC User Manual 5 REA TECHNICAL SPECIFICATIONS This section provides detailed This section includes technical specifications for the Unit e Performance specifications for the Unit SPECIFICATIONS FOR GBE 300310 50 NW AC 50 Watt Ka Band Grid Amplifier Block Upconverter RF OUTPUT Transmit Frequency 30 0 31 0 GHz RF Port Connector WR 28 RF Output VSWR 1 25 1 max Saturated Output gt 47 dBm Power Rated Linear Output 44 dBm Power power at which all other RF specifications are met Small Signal Gain 60 dB nominal I ntermodulation 25 dBc Level below total power of two equal carriers at linear Rate
6. general information on the electrical specifications command structures and SAbus protocol to help users understand the general interface The user should consult Wavestream for specific information for software development Wavestream has developed a Test GUI to assist in the integration test and qualification of the Unit Refer to the document Wavestream 50W Grid Amplifier BUC Serial Test GUI doc for details Packet Structure Hex Abr Character Notes Name December 2007 Page 29 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 REAM NAK Negative Acknowledge Address One byte typically in the range 0x30 to 0x39 but be any value other than 5 ACK or NAK Must match the value configured into the M amp C unit or the message Is ignored Command One byte typically in range 0x30 to OxFO but can be any value other than STX ETX ACK or NAK ff Bata Up to 570 to 570 bytes of ASCII characters of ASCII characters Checksum One containing the XOR of all previous including STX and ETX BEEN Echo Address Echo Command Response to Errors e the address does not match the M amp C will not respond If the checksum is invalid the M amp C will not respond ASCII Encoding of Binary Data All binary data sent and received by the M amp C unit is encoded into ASCII characters If a communication protocol allows unrestricted binary data it is impossi
7. information of device s functions that can cause setting of a change bit then the device must implement a clear change bit command and this must be the only command which causes the change bit to be cleared If several commands have to be executed in order to set all the information that can cause a change bit to be set then multiple change bits may be used to reduce the bus traffic Wherever possible SAbus numeric data should be sent encoded as ASCII data characters and only in cases where it cannot be avoided numeric data should be sent in binary or BCD packed format Status bits in data bytes 1 change bits alarm bits etc should occupy no more than four bits the low order nibble high order nibble should be set to 03 to guarantee that the byte will contain a printable ASCII character The slave state diagram see Figure 3 presents the required protocol implementation at the slave device that guarantees the proper transfer and processing of communication messages sent by a master controller over SAbus December 2007 Page 38 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 REA M NO STX EXECUTE COMMAND CORRECT POWER ON CHECKSUM V o LLI cc C x Q gt lt 0 NC z 3 NGO AN 48 gt VALID CHARACTERS NSG 381A Figure 3 Slave State Diagram State Diagram Notation In Figure 3 each state that a device can assume is represented graphically as a circle A
8. tee and a separate reference source unavailable from the modem RF OUT CONNECTOR J 2 RF OUT Connector is WR28 waveguide flange WR28 flange When operating the Unit will output up to 50 Watts of RF power at Ka Band 30 0 31 0GHz To make a water tight connection the mating WR28 flange should have an O Ring groove and the appropriate O Ring ought to be inserted prior to mating this interface 12 IN CONNECTOR J 3 The 120 IN Connector is 3 Pin Circular Connector This is ITT Cannon part with part number CB7 16 10PS Its mating connector part number CB6E16 10SS has been supplied with the Unit ITT Cannon CB7 16 10PS The Unit is powered from this connector At peak output power the Unit will not draw more than 6 5 Amps December 2007 Page 14 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual E 5 REAM PRIME POWER NTERFACE PINOUT Pint Signal Name Pin Description O PRIME PWR 120VAC Line PRIME RTN 120VAC Neutral MONITOR AND CONTROL I NTERFACE J 4 The Connector is 32 Pin Circular Connector This is an ITT Cannon part with part number KPTO7A18 32S Its mating connector part number KPTO6U18 32P has been supplied with the Unit ITT Cannon KPTO7A18 32S The Unit uses this connector as a serial RS 485 interface December 2007 Page 15 90 005 0003 Rev X01 50 Watt
9. EMENTS Spatial Power Combining of Many Elements in a Single Combining Stage December 2007 Page 12 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual S The PowerStream Grid Amplifier is powered by Wavestream s Grid Amplifier chip which consists of an array of several hundred transistors which together form an in waveguide amplifier as shown in the diagram below WAVEGUIDE MODE ADAPTER AND HOUSING OUTRUT WAVE INPUT WAVE CERAMIC CARRI GRID AMP CHIP UNIT CELL TRANSISTORS OUTPUT ANTENNA PowerStream Grid Amplifier using Patented Spatial Power Combining Wavestream s Grid Amplifier architecture provides significant advantages over traditional SSPAs which use microstrip or waveguide combining All the MMIC amplifier outputs are combined in a single stage of combining in air making the amplifier highly efficient Furthermore the signal never traverses a bond wire removing a key single point of failure found in traditional amplifiers December 2007 Page 13 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual AOR 51 REAM INTERFACES The Unit has the following interfaces REF IN CONNECTOR J 1 The Unit requires that the L Band 1000 2000MHz Input and 10MHz reference are multiplexed into the IF IN REF IN Connector Most modems are configured to provide the required multiplexed signal and reference This multiplexing can be performed using a bias
10. L 29 December 2007 4 90 005 0003 Rev X01 5 REA M 50 Watt Ka Feedmount BUC User Manual INTRODUCTI ON This User Manual provides This section includes information and instructions for installation and operation Introduction Wavestream equipment Warranty information the Wavestream equipment This User Manual is intended for use by trained field technicians or system engineers responsible for satellite networks Instructions for getting technical Support for Wavestream equipment Updates to this User Manual may be published Access current versions of this and other Wavestream documentation by contacting sales wavestream com This User Manual is for the Wavestream GBE 300310 50 NW AC a Ka Band Grid Amplifier Block Up Converter BUC herein referred to as the Unit The Unit receives an L Band input 1000 2000MHz and transmits a 50 Watt Ka Band output 30 0 31 0GHz The Unit comes in a single weatherized housing rated for indoor or outdoor use It has an N Type input and a WR28 waveguide output a 120VAC Power input and a Monitor and Control connector The Monitor and Control functions allow the user to enable and disable the internal amplifiers without shutting off the power supplies as well as to monitor the status of the Unit
11. ORM CONTINUITY CHECK ON THE 5 22 Na kad ka PELLE PARAAN 22 TROUBLESHOOTING ANY anO Gr uu ee Na Oda AA aY aai 24 TECHNICAL 5 2 22 2 25 SPECIFICATIONS FOR GBE 300310 50 NW AC 2 ccccccccccccccccccccccccccccccccccccccccccccccccccccccccees 25 25 DM DPU e AA NANANA NANANA 26 INTERFACES GA NAGANA NAAN ANAN ANA 26 ENVIRONMENTAL SPECIFICATIONS cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccecs 26 MECHANICAL SPECIFICATIONS 27 8 25 ERE VENT ERE CEURS VEREE ER TUER TEXAS VER 27 December 2007 Page 3 90 005 0003 Rev X01 50 Watt Ka Feedmount BUC User Manual SI RE AM MAINLENANGE 28 FAN ASSEMBLY REPLACEMENT PROCEDURE 0000000000000000000000000000 o0 00 000 0 0 a 0 28 TOOLS REQUIRED 28 BOC OBERE RE T 28 SERIA
12. Warranty The Wavestream warranty is defined in the Terms and Conditions of Sale that accompanied the quotation and purchase order In the event that the Unit needs to be returned to Wavestream for repair contact your customer service representative at Wavestream If you purchased this Unit from a distributor follow the distributor s RMA process December 2007 Page 5 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 warranty does not apply to defect failure damage caused by improper use or inadequate or improper maintenance and care Not withstanding the Warranty defined in the Terms and Conditions of Sale Wavestream is not obliged to furnish service under this warranty to repair damage resulting from attempts by personnel other than Wavestream to repair or service the product to repair any damage or malfunction caused by the use of non standard ancillary equipment to service a product that has been modified or integrated with other products if this modification has not been approved previously in writing by Wavestream OPENING OR REMOVING ANY COMPONENT OR SEALED AREA WITH THE EXCEPTION OF THE FAN ASSEMBLY WILL IMMEDIATELY VOID THE WARRANTY Technical Support In the event you need technical information or operation support beyond the scope of this User Manual contact Wavestream support at support wavestream com Equipment Service Under all circumstances contact Wavestr
13. and ensure that the ventilation slots are not blocked place the Unit at least 2 inches from any object that could obstruct air flow If the Unit is placed in a closed area such as a building or radome ensure that proper ventilation 15 provided that the air temperature does not exceed the maximum rated temperature To prevent damage to the Unit ensure that the applied AC power is within the range of 90 264VAC Route power cords so that they are not walked on or pinched Pay particular attention to cords and connections at the plugs receptacles and the point where they exit from the Unit and attach to other equipment Do not place any items on or against power cords 5 90 005 0003 Rev 01 REA M 50 Watt Ka Feedmount BUC User Manual Protect Against Lightning and Power Surges Do not penetrate the Unit December 2007 Page 11 To protect against voltage surges and built up static charges install the Unit with appropriate grounding methods in compliance with grounding standards for electrical and radio equipment according to the electrical codes in the country of installation TO ensure continuous and undisturbed unit operation from primary power line anomalies use an Uninterruptible Power Source UPS with your Unit Touching internal parts in the Unit 15 dangerous to both you and the Unit Never put any object through Slots or openings as this could result touching dangerous
14. ble to designate a unique start stop ack or nak byte Since the data payload of a packet can contain bytes of any value you are never sure if a byte is a control code or part of the payload If a communication is corrupted and the receiver loses track of where it is in a message there is no reliable way to guarantee resynchronization In the worst case depending on the data payload the communication might never recover synchronization By following this rule the start stop ack and nak codes are guaranteed to never be present in the data payload All binary data is encoded in hex ASCII in Intel byte order Intel byte order is also known as little endian since the list significant byte is first in memory December 2007 Page 30 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 So if a 16 bit word contains the binary value 0x12AB it will be stored in memory as AB12 and converted to the ASCII string AB12 Master Slave Communication All communication is initiated by the Master The M amp C will never initiate a communication it will only respond Communication hardware is 4 wire RS 485 The signals have termination resistors The Unit should be the only the circuit or in a multi drop configuration it must be the last one in the chain The M amp C receiver is always active The transmitter is activated when a reply is being sent and then deactivated This allows for the possibility of multipl
15. bus GENERAL INFORMATION INTRODUCTION SAbus 16 an interface designed explicitly as an economical method of providing complex remote monitor and control capability in satellite earth station equipment Although it requires a limited degree of intelligence in each earth station component the SAbus provides comprehensive monitor and control capability and a degree of flexibility not available in customized systems solutions Electrically the SAbus is compatible with EIA RS 422 or RS 485 RS 422 485 interface 15 a unipolar balanced 5 volt serial interface designed to connect equipment which must exchange data over considerable distances with high noise immunity and high speed Standard IC drivers and receivers are available for RS 422 485 that convert to and from TTL logic levels The SAbus subset of RS 422 485 allows up to 63 devices to be connected in parallel with up to 4000 feet between any master and group of slaves PHYSICAL SPECIFICATIONS The SAbus interface uses only four data lines circuit common and shield No hardware handshaking is used in the SAbus protocol All SAbus devices can operate in electrical parallel with a single cable required to connect all devices controlled by a master Figure 1 illustrates the connection of a master device and multiple slave devices SLAVE 1 TERMINATION MASTER RECEIVER EXCITER HPA ANTENNA PROTECTION SWITCH Sn eens STATION CONTROLLER ETC Figure 1 SAbus
16. d Output Power Spectral Regrowth 30 dBc at linear Rated Power at 1 0x symbol rate offset for OQPSK modulation and at 1 5x symbol rate offset for QPSK modulation Receive Band Noise 100 dBm Hz Output Transmit 55 dBc December 2007 Page 25 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 Phase Noise 32 dBC at 10 Hz offset 62 dBC at 100 Hz offset 72 dBC at 1 KHz offset 82 at 10 offset 92 dBC 100 kHz offset 102 dBC at 1 MHz offset 112 dBC at 10 MHz offset 112 dBC at 100 MHz offset INPUT IF Frequency 1000 2000 MHz Port Connector Type N Female IF Input Impedance 50 Ohm Frequency Reference 10 MHz on IFL OdBm 5dBm NTERFACES AC Connector 3 Pin Male ITT Cannon CB7 16 10 5 mating CB6E16 10SS Monitor and Control 32 Pin Female ITT Cannon Connector KPTO7A18 32S mating KPTO6U18 32P M amp C Serial nterface RS 485 Power Control 30 dB min 0 25 db steps ENVI RONMENTAL SPECIFI CATI ONS Operating Temperature 40 C to 60 C Non Operating 50 C to 70 C Temperature Operating Relative 100 Condensing Humidity Humidity 100 Condensing December 2007 Page 26 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 REA M MECHANI CAL SPECI FI CATI ONS POWER SPECIFI CATI ONS AC Prime Draw 6A max at rated linear output power December 2007 Page 27 90 005 0003 Rev X01 16 25 amp 40 Watt Matc
17. e must complete any previous message reception A device always powers on State 1 device will exit State 1 and enter State 2 device addressed state only STX byte is received State 2 Device Addressed State In State 2 a device is waiting to receive the address byte the second byte of the SAbus command message A device will exit State 2 and enter 1 State 3 device data state if received address byte equals a device s address 2 State 1 device idle state if received address byte does not equal a device s address 3 State 2 remain in current state if STX byte is received which may be the beginning of a new message data block December 2007 Page 40 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 State 3 Device Data State In State 3 a device is engaged in receiving the command and associated data bytes sent by a master controller A device will exit State 3 and enter 1 State 4 device data error state if byte is received signifying the end of data in the message 2 State 1 device idle state if invalid command or data character or incorrect number of data bytes is received State 4 Device Data Error State In State 4 a device is waiting to receive a checksum byte which tests the transmitted message for errors A device will exit state 4 and enter 1 State 5 command execute state if a checksum byte is true received LRC value of checksum byte equals
18. e units existing in parallel Each M amp C unit is assigned the Address 0x02 It will only respond to messages sent to this address Combined Status Message The M amp C reposts the entire status of the amplifier in a single communication Separate messages are not currently provided to get individual pieces of information The command CMD_GET_STATUS 0x40 is used Status Message Definition The most convenient way to use the data definitions is to use the C or C programming language on an Intel architecture machine The structures and bit fields can be used directly The structures are packed using byte alignment Most compilers default to WORD DWORD or larder alignment The compiler must be configured to pack these structures correctly The directive pragma pack 1 works for Microsoft Visual C V6 0 For users of other languages here is the status message in generic terms December 2007 Page 31 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 REA M Commands CMD GET UNIT ID 0x30 Returns the Unit ID in ASCII Since the Unit ID is an ASCII string it is returned directly it is not further converted to hex like the binary data Unit ID consist of Model Number followed by Firmware Version Total Bytes 24 ASCII characters 1 byte for null terminator 25 bytes CMD GET SERIAL NUMBER 0x31 Returns the Serial Number in ASCII Since the Serial Number is an ASCII string it is re
19. eam or your distributor for service A replacement fan assembly can be purchased from Wavestream With the exception of replacing the fans do not attempt to service the equipment yourself Safety Tip Opening or removing the cover of the Unit may expose you to dangerous voltages high power RF energy or other hazards as well as void your warranty December 2007 Page 6 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 REA M Notice For the proper operation of this equipment and or all parts thereof the instructions in this guide must be strictly and explicitly followed All of the contents of this guide must be fully read and understood prior to operating any of the equipment or parts thereof Failure to completely read and fully understand and follow all of the contents of this guide prior to operating this equipment or parts thereof may result in damage to the equipment or parts and to any persons operating the same Wavestream does not assume any liability arising out of the application or use of any products component parts circuits software or firmware described herein Wavestream further does not convey any license under its patent trademark copyright or common law rights nor the similar rights of others Wavestream further reserves the right to make any changes in any products or parts thereof described herein without notice Caution This equipment generates uses and radiates radio f
20. ed Therefore the function of the Unit s mounting interface 15 simply to enable meeting the system vibration and shock requirements aa 4 250 4 250 2 260 3X 201 650 1 4 20 UNG Y 500 BOTH SIDES CI MOUNTING HOLE PATTERN December 2007 Page 17 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual E 5 REAM OUTLINE DRAWINGS Outline Drawing 1 FRONT VI EW December 2007 Page 18 90 005 0003 Rev X01 50 Watt Ka Feedmount BUC User Manual AOR SI REA M Outline Drawing 2 TOP VI EW Outline Drawing 4 BOTTOM VI EW December 2007 Page 19 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 REAM ADDITIONAL INFORMATION Fans The Unit cools itself with fans These fans weatherized to handle an extreme environment that includes heavy spray They will shut off when the temperature of the Unit is below 10 C The fans are the only serviceable part in the Unit To replace the fan assembly see Section 7 Cable Construction If the M amp C cable is greater than 6 feet it is recommended that multi conductor shielded cable be used to reduce noise pickup Shield should be connected to the case The Ground Stud on the chassis can be used for this purpose December 2007 Page 20 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 CONNECTING AND CONFIGURING THE UNIT This document assumes the user This section includes has a working k
21. eedmount BUC User Manual CONTENTS INTRODUCTION 5 NA 8 SYISTEWDESCHIPTIODN 12 SPATIAL POWER COMBINING cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccees 12 IMERESE aaa 14 II REFIN CONNECTOR NA ANG 14 RE OUT CONNEC VOR AA AA AA 14 PUNY AC IN CONNECTOR CIS onnsoniinap 14 Prime Power Interface Pinout cccccccccsccsccscccccccccccccccccccccccccccccccccccccccccccccccccccccccoees 15 MONITOR AND CONTROL INTERFACE 1 2 15 Monitor and Control Interface Pinout 16 GROUND SUD 17 IVIGUNTING INTERFACE 8G EEE EEA Yd RES E EFC Eee eU deae Ev EVE ERU 17 OUTLINE DRAWINGS as KGABI NANANA VERE VERA 18 ADDITIONAL INFORMATION cccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccccscccccccces 20 CONNECTING AND CONFIGURING THE UNIT 21 CERES EEF EE ELS SY CHI VERRE EUE CHE OVER PEE Re EVEV E TENE EET EVER EU VE 21 INSPECTINTEREAT BS NANG 22 PERF
22. ess command and data characters The standard bus data rate via direct connect up to 4000 feet is 9600 baud the data rate for devices connected to a master via modem is 1200 baud Message format and protocol over the SAbus is a derivative of IBM s binary synchronous communications protocol BISYNC master station sends command over the bus to all remote stations The station whose address is contained in the second byte of the command message carries out the requested commands and then replies with a response message containing its own address and status information relating to its present condition A remote station only sends a response following a command from the master containing its unique address This prevents bus contention caused by more than one remote device communicating over the SAbus at the same time A remote device ignores all commands that contain parity or checksum errors protocol errors a wrong address or message overrun errors remote device replies with a not acknowledged NAK character if it receives an invalid command or data December 2007 Page 35 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 Message Format Command messages see Figure 2 begin with start of test STX byte followed by a remote address a command byte and multiple data bytes The end of text ETX byte is sent following the last data byte and the message 16 terminated by checksum character Resp
23. hbox BUC User Manual 74 ANY 5 T REAM MAI NTENANCE This section explains proper This section includes maintenance of the Unit Procedure for replacing the fan assembly FAN ASSEMBLY REPLACEMENT PROCEDURE The fan assembly is designed to be field replaceable A replacement can be obtained by contacting Wavestream TOOLS REQUIRED Flathead screwdriver PROCEDURE Turn off the power to the Unit For safety reasons remove the cable attached the AC Connector 3 Unscrew the 8 flathead captive screws that hold the fan assembly in place See Outline Drawing 3 Rear View in Section 3 Carefully pull the fan assembly out of the Unit Twist to remove the power connector With the replacement fan assembly in hand carefully connect the fans power connector Insert fan assembly into place Screw the 8 flathead captive screws Reconnect the Unit s power cable to the AC Connector J 3 December 2007 Page 28 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 SERIAL M amp C PROTOCOL This section describes the Serial This section includes Monitor and Control protocol Electrical Specifications for the RS 485 serial interface Command and Response packet structures General Description of the SAbus Protocol Introduction Typically monitor and control of the Unit will be integrated into a comprehensive Graphical User Interface GUI This section provides
24. lace but only that the message was received and understood A status reply should indicate if a device is executing a time consuming function A remote device must begin responding to a command within 100 milliseconds after receiving the last character of the command and no more than 10 milliseconds must pass between each character If the remote device does not respond within this time the master controller should attempt to re establish communication by re polling this device at least once Figure 3 shows a remote device SAbus state table and timing requirements At least a 10 bit time delay must be inserted between command messages in order to wake up a remote device Once the device is awakened by data on the bus it looks for STX followed by its address If it does not see its own address it ignores the rest of the message by going to sleep and remains in that state until the serial data line idles for at least 10 bit times or approximately 10 milliseconds All SAbus compatible devices must respond to a command O 30 hex with 6 data bytes of ASCII characters in the following form ACK ADDR 30 01 D2 D3 D4 05 06 CHSUM where D1 through D4 are four ASCII characters representing the model number and D5 and D6 are two ASCII characters representing a software version number December 2007 Page 37 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 If more than command is required to obtain status
25. maged Inspect the Monitor and Control connector to make sure it is not damaged Check to verify that there is no debris in any of the sockets Inspect the N Type Connector to verify that it is not damaged PERFORM CONTINUITY CHECK ON THE CABLES Even if cables have been made in advance it is important to use an ohm meter to perform a continuity check on each of the individual wires Incorrect wiring could permanently damage the unit Pin out tables for each connector are included in Section 3 System Description INSTALL THE UNIT Proceed with the installation according to standard practice Mount the Unit using the mounting holes described in Section 3 Ground the Unit by attaching ground strap between system chassis and Ground Stud Bolt the feed to the WR28 flange For a weather tight seal be sure to install an O Ring in the groove in the feed s WR28 waveguide flange and properly torque down the screws on this interface Make sure to keep the O ring clean and to not pinch the ring when installing the Unit on the feed Connect the M amp C cable to the Connector 4 IMPORTANT The minimum wires in the M amp C cable required to turn on the Unit are e the 4 RS 485 wires Pins L M N amp P need to be connected to a controller e BOTH Safety Interlocks Pins A amp B need to be tied to any of the ground pins Pins K or The default SABUS address of the Unit is 0x30 hex Connect the IF input to the
26. nowledge of satellite communications and RF General step by step systems installation instructions e Detailed information on the Unit s interfaces The experienced satellite professional will find this Unit to have standard interfaces and straightforward installation However proper system engineering including a detailed link budget should be performed to guarantee proper operation and conformance to standards and regulations UNPACK THE UNIT Keep the shipping box and all packing materials for future use including return of the Unit for repair Check the unit for any visible damage If the unit appears to be damaged contact Wavestream or your distributor Make a note of date location and serial number of the unit This information may be useful in the future ACCESSORIES The Unit is shipped with the following accessories to aid in installation Mating Connector to Prime Power Connector J3 e ITTC P N CB6E16 10SS Mating Connector to Connector 4 ITTC P N KPTO6U18 32P December 2007 Page 21 90 005 0003 Rev X01 RE A M 50 Watt Feedmount BUC User Manual 5 INSPECT INTERFACES Inspect the WR28 waveguide Remove the cover or tape that may be there to protect that interface Remove any foreign objects such as packing material that might be in or around the waveguide opening Inspect the Prime Power pins to make sure they are not damaged Make sure the connector has not been da
27. onse messages are identical to command messages in format with the exception of the acknowledge ACK or not acknowledged NAK character at the start of the message instead of STX Figure 4 illustrates the format of the command and response message A command or reply message may have a variable length up to a maximum of 132 bytes including delimiters and checksum Although most currently implemented SAbus devices require no or very few data bytes the capability for long messages is built into the protocol so that future applications requiring the transfer of large amounts of data can be accommodated SAbus devices should observe the length of all messages predefined by their communication protocol and NAK messages longer than permitted COMMAND MESSAGE RESPONSE MESSAGE COMMAND ACKNOWLEDGED vos commo ona ex RESPONSE MESSAGE COMMAND ACKNOWLEDGED UNABLE TO EXECUTE OR INCORRECT COMMAND NAK ADDRESS COMMAND CHKSUM NSG 380A Figure 2 SAbus Message Format Message Delimeters A command message begins with STX 02 hex the ASCII start of text character message acknowledged reply begins with ACK 06 hex the ASCII acknowledge control character and a message not acknowledged reply begins with NAK 15 hex the ASCII not acknowledged control character All messages end with the ETX 03 hex the ASCII end of text control character followed by the checksum byte Address Character The device addres
28. requency energy This can present a safety hazard if not handled safely per the precautions identified in Section 2 December 2007 Page 7 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 REAM SAFETY This section includes This Unit contains delicate Safety considerations for use of electronics electrical components the Unit and high radiated RF power Follow all safety precautions in this section when the Unit is in operation Carefully read and follow all safety use and operating instructions before operating the Unit Retain these instructions for future reference Safety Precautions Use safety precautions when working at or near the Unit as described in these sections Warning Shock Hazard Do not open the equipment High voltages are present under the lid of the Unit Service is only to be performed by Wavestream With the exception of the fan assembly the Unit contains no user serviceable parts Do not attempt to service this product yourself Any attempt to do so voids any and all warranties December 2007 Page 8 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 Warning High Power RF Hazard Do not operate unless the RF output waveguide flange is properly connected to the rest of the system or to a high power load The unit emits high power RF energy which could be harmful to the human body When operating the equipment never place per
29. s must be valid ASCII printable character between 1 and o or 31 through 6F hex thus 63 SAbus addresses are possible December 2007 Page 36 90 005 0003 Rev X01 REA M 50 Watt Feedmount BUC User Manual 5 Command Character The command CMD character immediately follows the device address and specifies one of a possible 80 different commands for a particular device Values from 30 to 7F hex are allowed Commands may be completely device dependent with the exception of command 30 hex which must cause a device to return its six character device type and command 31 hex which is a status poll Command and Reply Data A command or device reply may contain from 0 to 128 data characters and 15 restricted only to printable ASCII characters 20 through 7F hex Check Character The last character of any SAbus message is the check CHK character This character is simply the bit by bit exclusive OR of all characters in the message starting with the STX character through the ETX character This forms a longitudinal redundancy parity check over the entire message Message Timing Different devices will require varying times to execute commands from a master A receiver for example may be instructed to change frequency and may require up to a second for the synthesizer to lock This should not prevent it from immediately acknowledging the command The NAK or ACK reply does not signify that a function has actually taken p
30. single digit number is used within the circle to identify the state All permissible transitions between states are represented graphically by arrows between them Each transition is qualified by a condition that must be true order The device will remain in its current state if conditions for the transition to occur which qualify transitions leading to other states are false or conditions that qualify A pseudo transition is a transition that occurs within pseudo transitions are true the same state and is represented graphically by arrows leaving from and arriving at the same state Table 1 describes mnemonics used to identify transitions in the state diagram 90 005 0003 Rev X01 December 2007 Page 39 50 Watt Feedmount BUC User Manual 5 STX Checksum Table 1 State Diagram Mnemonics Description Start of text ASCII control character used as a header in SAbus command messages to identify the beginning of a new message End of text ASCII control character used as a termination character in SAbus messages to identify the end of data Longitudinal redundancy check LRC byte is the last byte in the SAbus message data block The value of the LRC byte is the exclusive OR of all message bytes including the STX and the ETX bytes and 15 used to detect errors during transmission of data State 1 Device Idle State In State 1 a device is ready to receive a new message and therefor
31. sonnel or any object in front of or near the output waveguide opening Caution Electrostatic Sensitive Devices Be aware that there are devices in the Unit that are easily damaged by ESD Take standard ESD precautions when handling the Unit When operating the Unit observe these precautions Do not apply power to the Unit until Follow the connection the Unit is appropriately connected to procedure described in this the feed and antenna system or a high manual in Section 4 power load The Unit radiates entitled Install the Unit high energy RF The IF input Power M amp C connections Avoid Water and Moisture should be tightly connected and sealed on Connectors against outside moisture using good commercial practice and UV rated materials Care should be taken on the installation of an O ring for the WR28 waveguide connection to prevent contaminants from entering the interface and to avoid pinching of the gasket December 2007 Page 9 90 005 0003 Rev X01 50 Watt Ka Feedmount BUC User Manual Provide Adequate Ventilation Use the Correct Power Source Route Power Cords Safely December 2007 Page 10 Since the Unit uses forced air convection for cooling it relies on proper ventilation to ensure reliable operation The Unit draws air in from the front side with connectors on it and exhausts air to the back side THE VENTILATION MUST NOT BE BLOCKED To avoid overheating
32. turned directly it is not further converted to hex like the binary data Total Bytes 24 ASCII characters 1 byte for null terminator 25 bytes CMD SET ADDRESS 0x34 Sets the address of the Unit on the serial bus default the Unit ships from the factory with address 0x30 hex CMD GET STATUS 0x40 Returns the status of the amplifier in hex ASCII format CMD RAW STATUS 0x41 Returns the raw values from the various sensors temperature voltage in the Unit For example temperatures are reported in Status in degrees C The raw value will be reported as it is read from device without conversion CMD ENABLE TRANSMITTER 0x50 Sets the TransmitSoftEnable bit This will enable the transmitter if it is not in Fault mode and the two Enable lines are Low Response if successful ACK with the string OK December 2007 Page 32 90 005 0003 Rev 01 50 Watt Feedmount BUC User Manual 5 REA M CMD DISABLE TRANSMITTER 0x51 Clears the TransmitSoftEnable bit This will disable the transmitter uniless the Override line is high Response of successful ACK with the string CMD SET ATTENUATION Sets attenuation to a user specified 16 bit value which translates to 0 25 dB steps Response of successful ACK with the string CMD RESET FAULT MODE Resets the Fault Mode condition December 2007 Page 33 90 005 0003 Rev X01 50 Watt Feedmount BUC User Manual 5 SA
33. voltage points short circuiting parts electric shock fire or electro static discharge ESD If an object were to fall into the Unit unplug the unit as serious damage could occur to the unit S 90 005 0003 Rev X01 REA M STREAM 50 Watt Ka Feedmount BUC User Manual SYSTEM DESCRIPTION Wavestream s patented Spatial Power This section includes Advantage delivers RF power in a small and light package Our patented technology delivers the highest efficiency in the industry resulting in significantly streamlined thermal designs and high A brief primer on Wavestream s unique spatial power combining technology e Interface descriptions including pin out and mating connector information e more information visit Wavestream s website www wavestream com SPATIAL POWER COMBINING How Grid Amplifiers Work The spatially power combined Grid Amplifier employs a fundamentally different technique for combining the outputs of the transistors Rather than combining in multiple stages and increasing loss and size with each combining stage all transistor outputs are combined in a single stage minimizing the loss and size of the combining network Many amplifying elements are used to synchronously amplify the input signal and their outputs are combined in free space for very high combining efficiency RADIATED OUTPUTS OF SPATIALLY COMBINED INDIVIDUAL ELEMENTS OUTPUT BEAM AMPLIFYING EL
Download Pdf Manuals
Related Search