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CHPA

S

ERIES

S-4

THIS

DOCUMENT

IS

THE

PROPERTY

OF

COMMUNICATIONS

&

POWER

INDUSTRIES.

REPRODUCTION

OR

RELEASE

WITHOUT

EXPRESS

PERMISSION

IS

STRICTLY

PROHIBITED

D

OC

.01023245

R

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.R

Microwave Radiation

Personnel Operating Guidelines

This guideline presents operating practices appropriate for operators and technicians who work
with equipment involving microwave radiation. Levels of microwave radiation that do not
cause immediate physical discomfort can cause long term complications.
CPI Satcom Division equipment amplifies an RF signal from an external source. Operating
amplifiers with the input not terminated may cause oscillation and high levels of RF radiation.

WARNING! PROTECT YOURSELF AND OTHERS AROUND FROM
UNWANTED RF RADIATION. ALWAYS TERMINATE THE AMPLIFIERS
INPUT AND OUTPUT WITH A TERMINATION BEFORE TURNING THE HIGH
VOLTAGE ON. THIS WILL REDUCE THE CHANCE OF OSCILLATION DUE
TO NOISE OF THE INTERNAL AMPLIFIER.

Microwave Discussion

Limiting exposure to microwave radiation prevents unwanted biological effects. Local
radiation levels can be detected with the proper equipment. The suggested permissible level of
RF radiation is 1mW/cm

²

for duration of 30 minutes. This is only a suggested guideline and it is

up to the end user of the product to establish the permissible RF radiation exposure level.

General Microwave Guidelines

These guidelines provide practical approaches to control unwanted RF radiation associated
with the operation and servicing of CPI Satcom Division equipment. The following approaches
have proven effective in both laboratory and field environments:

NOTE! IF THESE GUIDELINES ARE FOLLOWED THE POTENTIAL FOR RF
RADIATION EXPOSURE WILL BE MINIMIZED.

a.

Always terminate the output waveguide with an RF load capable of dissipating full CW RF
power. Fasten loads with hardware provided before applying prime power to the amplifier.

b.

Terminate the input to avoid the possibility of the amplifier oscillating. Terminate the input
before applying prime power to the amplifier.

c.

Do not look into the output port of the powered RF amplifier. Eyes are particularly
vulnerable. Looking into an output waveguide flange may cause cataracts.

d.

Shut off the amplifier if RF radiation is detected. The operator should put the amplifier in
standby or shut off the breaker if RF radiation is detected. Consult management if the
microwave radiation exceeds 1mw/ cm

²

. Examine the physical unit with the high voltage

OFF for visible cracks in the output waveguide.

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Содержание 0102324500rR

Страница 1: ...6 Series VZU 6995 Series VZC 6967 Series Service Center Headquarters and Design Center West Coast Operations 811 Hansen Way Palo Alto CA 94303 Manufacturing East Coast Operations 45 River Drive George...

Страница 2: ...tained in this document are provided solely for the installation operation and maintenance of CPI equipment Except for rights expressly granted by contract all such information is the exclusive proper...

Страница 3: ...SSION S 4 GENERAL MICROWAVE GUIDELINES S 4 PHYSICAL SAFETY S 5 GENERAL LIFTING GUIDELINES S 5 EXTENDING RACK SLIDES S 5 CHAPTER 1 INTRODUCTION 1 1 1 1 OVERVIEW 1 1 1 2 ABOUT THIS MANUAL 1 3 1 3 MAJOR...

Страница 4: ...2 5 2 5 7 RF OUTPUT WAVEGUIDE CONNECTION J3 2 5 2 5 8 COOLING CONSIDERATIONS 2 6 CHAPTER 3 INTERFACES 3 1 3 1 OVERVIEW 3 1 3 2 CHPA CONTROL MODE HIERARCHY 3 1 3 3 SERIAL REMOTE INTERFACE 3 2 3 4 RF S...

Страница 5: ...N PROCEDURES 4 3 4 4 1 POWER ON SELF TEST AND HEATER TIME DELAY 4 3 4 5 VERIFYING OPERATIONAL SETTINGS 4 4 4 6 SETTING THE FAULT AND ALARM TRIP POINTS 4 4 4 7 SETTING SERIAL REMOTE AND CIF PORT PARAME...

Страница 6: ...EXITING A MENU 5 10 5 16 DATA ENTRY RULES 5 10 5 17 QUICK ACCESS CODES 5 12 CHAPTER 6 PREVENTATIVE MAINTENANCE 6 1 6 1 OVERVIEW 6 1 6 2 SCHEDULED PREVENTIVE MAINTENANCE 6 1 6 3 MECHANICAL PREVENTIVE...

Страница 7: ...B 5 B 6 3 METER ORDER B 5 B 6 4 METER LIST B 5 B 7 FAULT MESSAGES THAT CORRESPOND TO DIGITAL STATUS LINES B 6 B 8 FAULT MESSAGES GENERATED BY LIMIT COMPARISONS B 6 B 9 ALARMS B 7 B 10 GENERAL STATUS S...

Страница 8: ...16 1 FLASH RAM OPERATION AND PROGRAMMING B 26 B 16 2 TO FORCE THE CHPA TO USE EPROM CONTENTS B 26 B 16 3 REPROGRAMMING THE FLASH RAM B 27 B 16 4 ERROR MESSAGES ASSOCIATED WITH THE FLASH RAM B 28 APPEN...

Страница 9: ...3 1 SERIAL REMOTE INTERFACE PIN ASSIGNMENT J6 3 3 TABLE 3 2 LOW RF RELAY FUNCTION 3 5 TABLE 3 3 RF SWITCH PIN ASSIGNMENT J5 3 5 TABLE 3 4 INTERLOCKS INTERFACE PIN ASSIGNMENTS J8 3 6 TABLE 3 5 CIF COM...

Страница 10: ...RAWINGS 7 1 TABLE B 1 FRONT PANEL BUTTON DESCRIPTION B 2 TABLE B 2 FRONT PANEL LEDS B 3 TABLE B 3 FRONT PANEL CATEGORIES B 9 TABLE B 3 FRONT PANEL CATEGORIES CONTINUED B 10 TABLE B 4 DEFAULT VALUES FO...

Страница 11: ...e potentials are known to cause death or injury Electrical circuits operate quickly and do not provide a careless individual with a second chance Hazards associated with high voltage are consistent an...

Страница 12: ...respect to ground f Discharge high voltage capacitors High voltage capacitors store a lot of energy for long periods of time High voltage capacitors can recover high voltage after discharge and reach...

Страница 13: ...low voltage measurement It does not make sense to increase the danger of being shocked needlessly There are times when high voltage cannot be shut off during a low voltage measurement Most of the time...

Страница 14: ...is 1mW cm for duration of 30 minutes This is only a suggested guideline and it is up to the end user of the product to establish the permissible RF radiation exposure level General Microwave Guideline...

Страница 15: ...h thermal and non thermal biological effects Physical Safety General Lifting Guidelines One person can typically lift a maximum weight of 40 lbs safely However the actual weight that can safely be lif...

Страница 16: ...ERIES S 6 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R This page is intentionally left...

Страница 17: ...model numbers frequency ranges and rated output power at the waveguide flange of the high power CHPA series are as follows Table 1 1 CHPA Model Number and Frequency Ranges Model No Frequency Range GH...

Страница 18: ...rates the use of a microprocessor control system thereby simplifying interfacing with remote control and monitor facilities Flash RAM allows firmware updates to be made without opening the unit Implem...

Страница 19: ...procedures for preparing the site for installation and unpacking the CHPA It also describes the steps required to make the necessary power connections Chapter 3 Interfaces describes the CHPA s built...

Страница 20: ...uits RF detectors and output filter The power supply section includes the power factor correction power processor and high voltage regulation circuitry as well as monitor and control circuitry Micropr...

Страница 21: ...ssive reflected power due to damaged broken waveguides or antenna components The isolator is rated such that it will safely dissipate all reflected power equal to the full rated output of the CHPA for...

Страница 22: ...ling wave tube derives its operation from four DC power supplies a low voltage filament heater supply a high voltage helix supply and two high voltage collector supplies The power supply design utiliz...

Страница 23: ...and currents The incoming 230 VAC 25 kHz signal is applied to the primary of a multi section high voltage transformer which provides all of the high voltage levels necessary to operate the traveling w...

Страница 24: ...wn to the level of an LRU line replaceable unit extract the LRU and replace it with an equivalent part provided in the spares kit This procedure can be completed in the field without resorting to the...

Страница 25: ...ident immediately contact the carrier that delivered the equipment and submit a damage report Failure to do so could invalidate future claims 2 3 Unpacking Carefully unpack and remove all items inspec...

Страница 26: ...ifier CHPA without proper termination or under excessive load voltage standing wave ratio VSWR could cause destruction of the traveling wave tube TWT and will void the warranty See specifications in S...

Страница 27: ...d is intended for an industrial environment connected through a separate distribution transformer and is not to be connected to a public low voltage distribution system The prime power requirement for...

Страница 28: ...th ground is necessary for personnel and equipment safety The ground screw on the CHPA rear panel must be used for this purpose 2 5 5 I O Interfaces I O interface connections are made at the rear pane...

Страница 29: ...75 for Ku band WR 62 for high Ku band typically used for DBS applications The CHPA comes equipped with a grooved threaded rear connector An O ring gasket is supplied in the ship kit To install the wav...

Страница 30: ...CHPA is 120 CFM at sea level 540 LB HR To meet this airflow requirement external back pressure or intake drag must be limited to 0 10 inch of water column 0 25 cm Exhaust duct bends and transitions m...

Страница 31: ...erlocks Interface These interlocks enable the user to interlock the CHPA with external safety devices Computer Interface This interface enables the user s computer equipment to control the CHPA via RS...

Страница 32: ...l make the port act similarly to the CIF port All of the same protocol and command set choices will be available press the FUNCTION button to access these selections The port will still be subject to...

Страница 33: ...Data sent out of CHPA RS 422 485 4 Receive Data Data received by CHPA RS 422 485 5 Signal Ground 6 Receive Data Data received by CHPA RS 422 485 7 8 Not used 9 Send Data Data sent out of CHPA RS 422 4...

Страница 34: ...exible mode or RIGID for Rigid mode In Rigid mode the Low RF Relay will indicate that the CHPA s RF output is below the Low RF Alarm level any time this condition occurs except during an RF Switch por...

Страница 35: ...RF NC Relay NC 1 Normally closed when coil is de energized closed to pin 2 during Low RF Alarm or the Fault state 2 Low RF Common Relay Common 1 3 Low RF NO Relay NO 1 Normally open when coil is de e...

Страница 36: ...ults is not recycled These commands are executed by opening the command pin from its return The CHPA External Interlocks Interface is located at connector J8 on the rear panel of the CHPA It is a 9 pi...

Страница 37: ...Note that there are slight format differences in the attenuator setting and query commands Refer to Table 3 7 and 3 8 Also note that DIP switch setting changes do not take effect until power to the CH...

Страница 38: ...the CHPA The CIF protocol includes commands for controlling and monitoring the CHPA CHPA control commands are executed by the CHPA if the CIF port has been chosen as the valid control point CHPA monit...

Страница 39: ...e described in detail later in this section If the CHPA was not able to execute a command received via the CIF a reject code or codes is included in the response message If the STX ETX header ending b...

Страница 40: ...CIF CONFIGURATION as PORT ADDRESS The address byte provides the computer port with an address It may be set from 48 to 111 using the keypad or the arrow keys 3 9 3 Command Byte The range of command b...

Страница 41: ...message bytei is the ith message byte where 1 i N Example Calculate the check byte for the message A1 using the checksum rule Character A 1 ASCII 123 65 49 125 i 1 2 3 4 Check Byte 32 MOD95 123 65 49...

Страница 42: ...on to select CIF CONFIGURATION press the FUNCTION button to select LF ENABLE Use the arrow keys to select the desired choice YES or NO 3 10 Commands Commands are sent from a computer to the CHPA Refer...

Страница 43: ...eplaced with a blank 7 55 RF Output Power in Watts Query Four ASCII characters in the form NNNN are returned Leading zeros are blanked 8 56 Attenuator Setting Query Four ASCII characters in the form N...

Страница 44: ...equested Provide the setting in the form NN N G 71 Set ALC RF O P in Watts This command activates the ALC mode and sets the power requested Provide the setting in the form NNNN Leading zeros may be re...

Страница 45: ...d and S1 1 on 01020360 CCA Controller Interface is ON 4 For CHPA Protocol Option DIP Switch S1 Switch 2 of Interface CCA is ON Attenuator setting is of the form NN NO dB 3 10 1 Slow Commands A subset...

Страница 46: ...this bit is determined each time a Summary Status Query is requested 4 Info Error Message Data Check This bit is set when a selected information or error condition has occurred This bit is cleared by...

Страница 47: ...4 Control Point 0 0 Local 1 0 Remote 1 1 Computer Interface CIF 3 BB RAM Error Detected This bit is set if the battery backed RAM contents are suspected to be corrupt This condition usually indicates...

Страница 48: ...elix Over Voltage 4 Helix Under Voltage 3 Helix Average Over Current 2 Power Supply Arc Trip 1 DC Buss Under Voltage 0 LSB Helix Voltage Detected in Standby 2 7 MSB Parity 6 Complement of bit 5 5 Refl...

Страница 49: ...ote Panel 0 LSB Not used Table 3 13 Note Bit is set for the fault condition Table 3 14 Information Error Messages Response is port sensitive and will reflect the status of the port Remote or CIF queri...

Страница 50: ...it 5 5 RF O P power setting command terminated due to the cessation of high voltage 4 RF O P power setting command terminated before reaching requested value 3 ALC activity terminated due to cessation...

Страница 51: ...ropriate use of the CHPA can cause harm to the operator or equipment Do not attempt the procedures outlined in this chapter before becoming thoroughly familiar with its contents 4 2 Pre Power Procedur...

Страница 52: ...ote Before switching on power for the first time become familiar with all CHPA controls and indicators and with the procedures in this chapter Figure 4 1 The CHPA Series Front Panel 4 3 Using the Fron...

Страница 53: ...WT traveling wave tube heater to warm up The following steps are to be performed in the order indicated Refer to Basic CHPA Operations in Chapter 5 for example displays during each operating state Ver...

Страница 54: ...can be displayed and changed HELIX Over and Under voltage and current settings Factory Authorized Access Code required see Appendix B LOW RF Alarm set A visual alarm for warning operators and for trig...

Страница 55: ...play will change to the entry for RF Faults and Alarms 2 Repeatedly press the FUNCTION key to cycle through the RF faults and alarms 3 For the purposes of the following procedures set the High RF Alar...

Страница 56: ...dy to use with the CHPA Remote panel If the user configurable port option is desired set PORT TYPE to USER 4 Now repeatedly press the FUNCTION button to cycle through the serial port and protocol sett...

Страница 57: ...ing the down arrow key to decrease the attenuator setting in 0 1 dB increments until the output reaches 600 500W for the 600W DBS Band unit 415W for the 500W DBS band unit as indicated on the front pa...

Страница 58: ...al linearizer THE CHPA IS NOW READY FOR NORMAL OPERATION Refer to Chapter 5 for normal operating procedures 4 10 Testing the CHPA via Computer Control If the CHPA is to be controlled by a computer per...

Страница 59: ...n of how to use this port as an alternative port for computer communications For the purposes of the following test the Remote unit should be used within sight of the CHPA to assure that the Remote un...

Страница 60: ...ERIES 4 10 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R This page is intentionally left...

Страница 61: ...s and meters on the alphanumeric display and associated LEDs Individual pushbuttons control essential CHPA functions such as transmitting and selecting the Control mode The keypad and alphanumeric dis...

Страница 62: ...o prevent multiple amplifiers from entering Transmit simultaneously after a prime power failure for example See Appendix B Time Date Set for more information on User Heater Time Delay setting STANDBY...

Страница 63: ...operation which requires little interaction with the CHPA includes features that are directly available via front panel buttons user chosen CHPA states Control modes and RF modes Refer to Table B 1 i...

Страница 64: ...s established the control panel displays the following C P I S A T C O M 6 0 0 7 0 0 C H P A P O W E R O N S E L F T E S T T E S T I N G While the POST screen is displayed all self tests are performed...

Страница 65: ...fficult to measure however there is a relationship between heater time after prime power on and cathode temperature HTD therefore is of variable length based on prime power off time to provide optimum...

Страница 66: ...through the Beam On Sequence to the Transmit state The CHPA will be in the Beam On Sequence for approximately two seconds before reaching the Transmit state The display shows these features Local mod...

Страница 67: ...in the Fault state the display will flash and the beeper will sound once every second The current fault s is are displayed on Line 2 press either arrow key to cycle through these faults To view faults...

Страница 68: ...the RF Control category Press the MENU button until Line 3 displays RF CONTROL press the FUNCTION button until Line 3 displays RF MODE see the next subsection Special CHPA Functions for access to men...

Страница 69: ...however require a more sophisticated user interface To provide logical access to this information these special CHPA features are grouped into menu categories 5 13 1 Factory Authorized Access Mode Tw...

Страница 70: ...Interface Parameters Function Baud Rate Pressing the FUNCTION button would toggle through other available entries such as Parity Print ASCII and so on Entry 9600 Pressing either arrow key will cycle t...

Страница 71: ...Trip Setting Helix Over Voltage Fault Helix Under Voltage Fault Helix Avg Over Current Fault Helix Voltage Detect in Standby Factory Tests Reset Elapsed Time Meters Reset Heater Elapsed Time Meter Re...

Страница 72: ...sed to access a menu category or a specific function under a menu category that item will display as if the MENU and FUNCTION buttons had been used to assess that category or entry Entering an invalid...

Страница 73: ...16 Lamp Test 05 Not used 17 Time Date Set 06 Linearizer Control if installed 18 Remote Interface Parameters 07 High RF Alarm 19 CIF Parameters 08 High RF Fault 20 Controller Software Version 09 Low R...

Страница 74: ...ERIES 5 14 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R This page is intentionally left...

Страница 75: ...RACTICE THE SAFETY GUIDELINES IN THE SAFETY SECTION AT THE FRONT OF THIS MANUAL WARNING SOME CASES MAY REQUIRE WORK ON THE EQUIPMENT WITH EXPOSED LIVE VOLTAGES EXCEEDING 50V ACCESS TO THE CIRCUITRY WI...

Страница 76: ...ALL POWER AND LEAVE UNIT FOR FIVE MINUTES BEFORE PERFORMING SERVICE OPERATIONS BEFORE ATTEMPTING INSPECTIONS OR CLEANING WITH SOLVENTS PROVIDE ADEQUATE VENTILATION TO AVOID BREATHING FUMES WHEN CLEANI...

Страница 77: ...on 2 way 50 Ohms Type N HP 11667A DC to 20 GHz High quality low loss RF test cables as required for test set up Microwave Frequency Counter 3 DC to 20 GHz HP 5340A Required only if Sweep Generator is...

Страница 78: ...3 Inspect all soldered connections for signs of corrosion cracking or dirt Clean and resolder as needed 4 Look for signs of dirt or moisture contamination which can cause short circuiting arcing corr...

Страница 79: ...or fins should be free of material If not remove the TWT and the cover on the collector to blow out the material Clean the air exhaust screen as required 3 If the radiator is clean power up the amplif...

Страница 80: ...ded for conditioning spare TWTs It is also applicable for HPAs that are used only occasionally or are turned off for prolonged periods of time several weeks or months The following list presents the c...

Страница 81: ...hode to age more quickly This reduces the life of the TWT even with heater back off and may create gas that will poison the cathode and reduce the emission The collector radiator must be kept clean If...

Страница 82: ...be used every time preventive maintenance is performed so that a trend can be developed 4 Increase the drive level until the HPA has reached saturation Record level on the test data sheet 5 Reduce the...

Страница 83: ...OLTAGE NOTE 1 ____________________kV COLLECTOR 2 VOLTAGE NOTE 1 ____________________kV BEAM CURRENT NOTE 1 ____________________A HELIX CURRENT NO RF ____________________mA NOTE 1 MEASURED USING OPTION...

Страница 84: ...SERIES 6 10 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R Figure 6 1 TWT Amplifier Test...

Страница 85: ...1020270 RF Assy Ku Band SuperLinear Compact HPA 01020273 Specification C Band Compact HPA 01020296 Specification Ku Band Compact 700W 01020297 RF Assy C Band Compact HPA 01020370 RF Diagram CHPA 01020...

Страница 86: ...ERIES 7 2 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R This page is intentionally left...

Страница 87: ...HOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED A 1 A 1 Appendix A Warranty and Support Information For details refer to separate supplement included with this manual HARD COPY Refer to Warranty and Su...

Страница 88: ...ERIES A 2 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R This page is intentionally left...

Страница 89: ...dures see Chapter 5 Operation and Chapter 4 Initial Power On and Checkout B 2 Buttons The front panel displays data using a 4 line by 20 character vacuum fluorescent alphanumeric display and six LEDs...

Страница 90: ...CANCEL Press this button to clear fault messages and exit the Fault state once the fault source has been eliminated This button is also used to clear the contents of the Fault Log Also used to stop th...

Страница 91: ...ly includes a beeper The beeper sounds once to indicate that a button has been pressed successfully The beeper sounds approximately every second when in the fault state or alarm mode B 5 Alphanumeric...

Страница 92: ...Peak mode R F P E A K X X X X W or when dB scale is chosen R F P E A K X X X D B W HPA in Fault state a list of all Fault messages is described later in this document for example I N T E R L O C K S...

Страница 93: ...the RF Control category B 6 1 HVPS Meter Display List H L X X X X X K V X X X M A B E A M C U R R E N T X X X X M A B 6 2 RF Meters A T T E N U A T O R X X X D B R E F L R F X X X W X X X D B W B 6 3...

Страница 94: ...C K F A U L T SSIPA Over Current Fault S S I P A O V E R I F A U L T Low Airflow Fault L O W A I R F L O W F A U L T Units built prior to March 1997 are equipped with a pressure differential switch to...

Страница 95: ...A U L T High Refl RF Power H I G H R E F L R F F A U L T Helix Voltage Detected in Standby Fault H L X V D E T E C T I N S T B Y B 9 Alarms When an alarm occurs the alphanumeric display flashes betwe...

Страница 96: ...Control Menu The user may request basic features such as HPA states Control modes and Fault Recycle modes directly using front panel buttons Most HPA features however require a more sophisticated use...

Страница 97: ...in the order specified in Table B 3 starting with RF Control Press the MENU button to scroll through the available categories While in any menu category press either the Line 3 or Line 4 button to re...

Страница 98: ...layed the other selections under this menu will not be available Device Address Baud Parity Protocol Check Byte Type CR Enable LF Enable Accept Bad Check Byte Loopback Test Installation Test Computer...

Страница 99: ...t Value RF Control RF Output Setting Attenuator Setting RF Power Mode RF Inhibit RF Display Suppress Peak Mode 20 0dBW 25 0dB OPEN LOOP NO Watts See Meters in this appendix for appropriate dB units fo...

Страница 100: ...A to return to Open Loop RF Power mode RF Power Mode ALC Open Loop Set the RF Power mode ALC Automatic Loop Control RF Power mode will hold the RF output power to the specified output power within the...

Страница 101: ...or Open Loop R F M O D E A L C R F M O D E O P E N L O O P R F I N H I B I T Y E S R F D I S P L A Y D B W P E A K S U P P R E S S Y E S B 11 3 Linearizer Control optional If S1 1 DIP switch bank on t...

Страница 102: ...ckoff Set up to perform third order intermodulation measurement Monitor the output power using a power meter on the RF sample port Adjusting the linearizer will cause changes in output power monitor t...

Страница 103: ...Relay Low RF Fault Numerical entry format dictated by the RF Display setting If the RF output falls under this limit the CHPA enters the Fault state High Reflected RF Fault Numerical entry format dict...

Страница 104: ...the FUNCTION key to cycle through captured fault sets Line 3 displays the set number Line 4 displays the corresponding time date stamp Press either arrow key to cycle through the entries within one se...

Страница 105: ...ssage alternating between 37 percent and 100 percent illumination appears upon entering the FAAM F A C T O R Y A U T H M O D E U S E O F T H I S M O D E C A N C A U S E H P A D A M A G E H I T M E N U...

Страница 106: ...are Helix Avg Over Current Fault Helix Over Voltage Fault Helix Under Voltage Fault Beam On Elapsed Time meter and Heater Elapsed Time Meter B 13 7 CHPA HVPS Test Mode This category will appear only...

Страница 107: ...ser Tests User Tests includes miscellaneous hardware tests available to the user See Table B 7 Table B 7 User Tests and Results Function Name Possible Entries Results Description Lamp Test Press ENTER...

Страница 108: ...eously 12 24 Hour Format Toggle between 12 HR and 24 HR The displayed time format will be either 12 HR A indicates AM P PM or 24 HR Hour Minute Set Numerical entry of the form HH MM Title of this func...

Страница 109: ...rt s command set and protocol capabilities If RMTPNL is selected the rest of the settings in this menu are not available Device Address Numerical entry 3210 to 12610 Baud Rate Toggle between 9600 4800...

Страница 110: ...nt unit displays PASS if it receives V FAIL if it doesn t Press ENTER again or leave this item to stop the test For the unit to see itself loop TX to RX and TX to RX Installation Test Press ENTER to s...

Страница 111: ...R E V E R S I O N S T C O N T R O L L E R V E R X X X X B 13 12 Elapsed Hours Information This information screen provides CHPA identification and 24 hour support telephone numbers This screen is dire...

Страница 112: ...ll codes and selected write codes 00 49 of data To use the Quick Access Codes Press the SPECIAL button Lines 3 and 4 will appear as shown Use the numerical keypad to enter the desired two digit QAC pr...

Страница 113: ...curacy of the A D converter is not within 10 bits of Vref 2 A D Initialization The A D converter has not responded to a command within a specified time limit during initialization 3 BBRAM Memory The c...

Страница 114: ...ased CHPA because the upgrade consists of connecting a PC to the CHPA then executing a PC program In about two and half minutes the transfer is complete without the hassle of removing the CHPA s cover...

Страница 115: ...A D E R E S T A B L I S H I N G C O M M U N I C A T I O N W I T H H O S T S Y S T E M 4 Connect the PC s serial port either COM1 or COM2 to the CHPA s auxiliary serial port J10 The CHPA s auxiliary s...

Страница 116: ...lete the POST Power On Self Test and be available for use Disconnect the PC from the CHPA Refer to the Troubleshooting section below if errors related to the Flash RAM appear B 16 4 Error Messages Ass...

Страница 117: ...the PC and CHPA also review troubleshooting items 3 and 4 I N C O R R E C T M E S S A G E C H E C K S U M P R E S S A N Y K E Y T O R E T R Y This message will appear at the end of programming if the...

Страница 118: ...lled Also be sure that the cable is not a null modem cable On the CHPA pin 2 is TX data leaves unit and pin 3 is RX data enters unit b Refer to number 3 above Pay particular attention to other device...

Страница 119: ...00 CCA Control Interface 01020360 00 Tunnel Diode C Band RLC Alternative 01000769 00 01 02 Eclipse Preferred 01037156 00 01 02 Tunnel Diode Ku Band RLC Alternative 01002559 00 up to 10 Eclipse Prefer...

Страница 120: ...W C Band 5 85 to 6 725 GHz 01020197 02 TWT 750 W C Band 6 425 to 7 100 GHz 01020197 04 TWT 750 W C Band 5 725 to 6 725 GHz 01040158 00 TWT 700 W Ku Band 13 75 to 14 5 GHz 01020198 00 TWT 600 W Ku Band...

Страница 121: ...nearizer Remote Control Panel Redundant and Power Combined Subsystems Features Meets IEC 215 555 Safety Harmonic Standards as well as 89 336 EEC EMC Standards CE Marked MTBF of 40 000 hours including...

Страница 122: ...ERIES D 2 THIS DOCUMENT IS THE PROPERTY OF COMMUNICATIONS POWER INDUSTRIES REPRODUCTION OR RELEASE WITHOUT EXPRESS PERMISSION IS STRICTLY PROHIBITED DOC 01023245 REV R This page is intentionally left...

Страница 123: ...cepted by the BUC This label is shown in figure E 1 The bandwidth of the L Band input frequency is typically the same bandwidth as the amplifier s output frequency bandwidth Warning Ensure that the pr...

Страница 124: ...dicated reference port Caution For multiplexed and external FLO reference BUC s the L band input signal must be free of the spurious signals that can cause poor performance Spurious signals may also c...

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