EMC TWT8G-200 Operating And Maintenance Instructions Manual Download Page 1

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TWT8G-200

MODEL NUMBER:

OPERATING AND MAINTENANCE

INSTRUCTIONS

CW TWT HIGH POWER

WIDE BAND AMPLIFIER

THE EMC SHOP, 7401 GALILEE RD. #160 ROSEVILLE, CA 95678

844.423.7435

[email protected]

WWW.THEEMCSHOP.COM

SERIAL NUMBER:

1904037401

TWT8G-200 MANUAL

MAN-70007, REVISION B, 02-20-2017

Summary of Contents for TWT8G-200

Page 1: ...AINTENANCE INSTRUCTIONS CW TWT HIGH POWER WIDE BAND AMPLIFIER THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM SERIAL NUMBER 1904037401 TWT8G 200 MANUAL MAN 70007 REVISION B 02 20 2017 ...

Page 2: ...eets 20 5 0 PRINCIPALS OF OPERATION 5 1 Proper Usage and Warnings 21 6 0 REMOTE INTERFACE FOR MEDIUM POWER AMPLIFIERS 6 1 Introduction 22 6 2 RS 232 Interface 22 6 3 ETHERNET Interface 23 6 4 Remote Command Format 24 6 5 Remote Command 25 6 6 Remote Example Code 28 7 0 MAINTENANCE AND SERVICING 7 1 Periodic Maintenance 29 7 2 Servicing the Amplifier 29 7 3 Equipment Return Procedure 30 8 0 WARRANT...

Page 3: ...reading through this manual and familiarizing yourself with its proper operation and usage Your Wide Band Amplifier comes with the following accessories be sure to check your packaging for the items listed below before disposing of the packaging CONTENTS For a typical Wide Band Amplifier Quantity Description 1 1 1 1 CW TWT High Power Wide Band Amplifier Model TWT8G 200 Mating Connector Power Line ...

Page 4: ...owerMax Innovation Inc 1243 Reamwood Ave Sunnyvale CA 94089 Tel 408 541 0888 Fax 408 541 1886 FIGURE 1 0 OUTLINE DRAWING THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 5: ...etering The display also provides the operator with operating status and self diagnostic fault indications The Amplifier incorporates protection circuits that monitors and controls so the amplifier cannot be damaged by any mismatched load The Amplifier has an Ethernet interface which allows the amplifier to be remotely controlled through the use of a computer To operate the Amplifier connect a thr...

Page 6: ...way of button switches located toward the right of the screen Pressing a button switch will toggle the switch position and will highlight its function FIGURE 2 0 Hardware Initialization Screen Once the power is turned on the controller will boot and display the boot screen as shown above It will only be displayed for a few seconds follows by the The EMC Shop Logo screen THE EMC SHOP 7401 GALILEE R...

Page 7: ...el 408 541 0888 Fax 408 541 1886 3 2 The EMC Shop Screen FIGURE 3 0 The EMC Shop Logo Screen The The EMC Shop logo screen it is only displayed for a few seconds and is shown in above THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 8: ...nformation and Set Time Button Screen The Information screen displayed is the set time Model and version description screen it will be displayed for a few seconds should the set time icon be touched the adjust time and date screen will be shown as in Fig 5 THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 9: ... 4 Time Date setup menu FIGURE 5 0 Set Time and Date Screen Figure 5 shows the buttons for adjusting the time and date Touch the or Buttons to adjust the time and date then save then exit to return to the main screen THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 10: ...rating menu will come up in POWER_OFF Mode The values for Forward Power FWD Reflected Power RFL and metering should be zero The Gain will be at 100 at all times unless the Attenuator is being controlled by pressing the Gain buttons Up or Down only with Attenuator Option THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 11: ...FF Button which will change to POWER ON The unit will display HEATER Time left and start the countdown starting with the required time for the applicable TWT incorporated in the amplifier In this mode the Heater supply will be energized 2 After the time out the amplifier will revert to STANDBY mode THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP...

Page 12: ...MODE Typical At this mode the TWT is fully warmed up all High Voltages are OFF and only are being applied when the amplifier goes to RF ON mode also known as Cathode turned on Some TWTs have a single Collector element therefore only COLL1V will be display THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 13: ... mode the TWT will be turned ON 2 The display will show the Helix and Collector currents as per TWT operating data sheet enclosed in the manual 3 Grid voltage will be displayed only with TWTs having Grid element 4 Some TWTs have a single Collector element therefore only COLL1V will be display THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM T...

Page 14: ...ATION OVERVIEW The Amplifier is designed to amplify a low level microwave signal and supply a high power CW output The Amplifier system function is accomplished primarily through the use of a Traveling Wave Tube TWT control circuitry and HV power supplies which can be controlled either locally or remotely The major subassemblies are mounted on separated decks The left deck houses the HV Power supp...

Page 15: ...ector and Heater supplies The Helix supply provides the negative high voltage potential between TWT Cathode and ground The Collector supply provides the high voltage potential between the TWT Cathode and Collector The Heater supply provides the Heater voltage and floats at high voltage Cathode potential The primary control circuitry and the service power supplies 5V 12V 48V Fans are energize when ...

Page 16: ... amplifier cools to normal temperature levels 4 6 2 Power Supply Faults The Power Supply Fault circuit monitors the Helix and Collectors power supplies and produces a fault indication should any voltage level deviate from normal operating parameters Each power supply voltage output is monitored and displayed Should any power supply voltage deviate from the design parameters the Fault Indication on...

Page 17: ...nel Power ON OFF Ckt Bkr AC PWR MS Power Connector Local Remote Touch switch RJ45 Ethernet Connector POWER ON OFF Touch switch RS232 Connector RF ON OFF Touch switch RF Input N Female Fault Reset Touch switch RF Output type 7 16 Female FWD Sample Port N Female TFT Status Display RFL Sample Port N Female Optional Connector Type Location Comments Notes Input Connector N Female Rear Output Connector ...

Page 18: ...Max Innovation Inc 1243 Reamwood Ave Sunnyvale CA 94089 Tel 408 541 0888 Fax 408 541 1886 FIGURE 11 0 REAR PANEL ILLUSTRATION THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WWW THEEMCSHOP COM THE EMC SHOP LLC ...

Page 19: ... with BEAM ON Remote The Remote will be indicated when the amplifier is in the remote control mode of operation via the computer 4 7 2 CONTROLS CONTROL FUNCTION AC Power Breaker Circuit Breaker to turn On Off main prime power to the Amplifier Local The Local switch is a touch switch When depressed the amplifier is restored to the local control from the Remote mode of control POWER OFF ON Switch wh...

Page 20: ...lifier using a calibrated 50 Ohm Pad to assist the operator in maximizing the performance of the Wide Band Amplifier The accuracy of the Metering is 1 dB nominal so to provide the operator with the ability to maximize the performance of the wide band amplifier The Test Data Sheets are located within Appendix A THE EMC SHOP 7401 GALILEE RD 160 ROSEVILLE CA 95678 844 423 7435 SALES THEEMCSHOP COM WW...

Page 21: ...mW input signal It is not advisable to over drive any amplifier and depend on protection circuits to maintain proper gain control The EMC Shop makes available with each shipped amplifier specific data and curves so the operator will know the proper input signal levels to more efficiently operate the amplifier refer to Paragraph 4 7 herein 5 2 1 1 Preamplifier The Preamplifier provides the proper d...

Page 22: ...ata communication equipment The EMC Shop Amplifiers have a RS 232 serial interface All amplifier functions can be controlled by coded messages sent over the interface bus via the 9 pin D type socket connector on the rear panel of the unit 1 3 1 RS 232 Wiring Connect the serial port of the amplifier to a computer using a null modem cable or a standard serial cable with a null modem adapter Pin s Si...

Page 23: ...d the Internet Protocol IP which were also the first two networking protocols defined Today s IP networking represents a synthesis of two TCP IP uses four numbers to address a computer Each computer must have a unique four numbers address The numbers are always between 0 and 255 Addresses are normally written as four numbers separated by a period like this 192 168 1 50 The Ethernet interface is a ...

Page 24: ...characters command code which the system interprets to determine the type of action to take See Remote commands below NOTES 1 ALL COMMANDS AND REQUESTS MUST CONSIST ENTIRELY OF UPPER CASE ALPHANUMERIC CHARACTERS 2 ALL VALUES DISPLAYED DO NOT SHOW THE ZEROS TO THE LEFT OF THE NUMBER VALUE 1 4 1 Remote Local Control When the amplifier receives a command over the remote interface it is required to en...

Page 25: ...FF Brings the amplifier to POWER OFF from POWER ON mode AMP ON Go to AMP ON Mode AMP ON Brings the amplifier to POWER OFF to POWER ON mode RF OFF Go to RF OFF Mode RF OFF Brings the amplifier to RF OFF from RF ON mode RF ON Go to RF ON Mode RF ON Brings the amplifier to RF ON from RF OFF mode RESET Fault Reset FAULT Resets the amplifier if it is in a fault THE EMC SHOP 7401 GALILEE RD 160 ROSEVILL...

Page 26: ...has a warning STATUSALL Model Warning Amp status Multistate status string WARNING Returns warning message FAULT Returns Detailed Message THERMAL FAULT High Temperature Fault HIGH VSWR FAULT When VSWR is greater then set value HELIX CURRENT FAULT When Helix current exceed the allowable limit HELIX VOLTAGE FAULT When Helix voltage is out of range FILAMENT FAULT When Filament current is low SUM FAULT...

Page 27: ...I 1 Cathode Current CATHI PS1 XXXX X mA Returns Cathode current in milliamps HEATERV 1 Heater Voltage HEATERV PS1 XXX X V Returns Heater supply value in Volts TEMP AMB Ambient Temperature AMBIENT TEMP XXXXX C Returns Ambient temp value HEATERH Filament Hours HTR HRS XXXXX Returns Total Hours RF ONH Beam hours RF ON HOURS XXXXX Returns Operation Hours Value MODEL Model number XXXXXXXXXXXXXXXX Retur...

Page 28: ...TCP IP for Ethernet remote Click OK 2 3 In Bits per Second select 9600 2 4 In Data Bits select 8 2 5 In Parity Select None 2 6 In Stop bits select 1 2 7 In Flow control select None 2 8 Click OK For Ethernet 2 1 Enter a name and choose an icon Click OK 2 2 In the Connect Using box select TCP IP for Ethernet remote Click OK 2 3 Enter an IP Address in Host Address box and 10001 in Port Number box Cli...

Page 29: ...Should servicing be required refer to Paragraph 7 3 7 2 1 TROUBLESHOOTING PROBLEM CAUSE SOLUTION COMMENTS TFT display blank No service voltages Check line power Check service voltages 12VDC 12Vdc 5VDC Connect AC line to specified Prime power source Refer to S N tag on unit Amp will not go to Operate mode High VSWR Check RF output termination connection When operating any RF amplifier proper termin...

Page 30: ...ial 7 3 2 Return All Accessories In the interest of saving time and expediting the repair or calibration process return all the associated accessories described in Section 1 0 when returning the equipment for repair or calibration In many cases a faulty accessory could give an illusion that the equipment itself has failed For this reason it is important to return the all the accessories with the e...

Page 31: ...EMC Shop product that has been disassembled modified physically or electrically damaged or any product that has been subjected to conditions exceeding the applicable specifications or ratings The EMC Shop shall not be liable for any direct or consequential injury loss or damage incurred through the use or the inability to use any the EMC Shop product The EMC Shop reserves the right to make changes...

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