Comtech EF Data KPA-020IN Installation And Operation Manual Download Page 87

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Ku-Band Solid-State Power Amplifier

Revision 0

Maintenance and Troubleshooting MN/KPA.IOM

7-6

NOTES:

Summary of Contents for KPA-020IN

Page 1: ...A 100 Installation and Operation Manual IMPORTANT NOTE The information contained in this document supercedes all previously published information regarding this product Product specifications are subj...

Page 2: ......

Page 3: ...2114 West 7th Street Tempe Arizona 85281 USA 480 333 2200 FAX 480 333 2161 KPA Ku Band Solid State Power Amplifier KPA 020IN KPA 040 KPA 080 KPA 100 Installation and Operation Manual Part Number MN K...

Page 4: ...rt Department at service comtechefdata com Contact us via the web at www comtechefdata com 1 To return a Comtech EF Data product in warranty and out of warranty for repair or replacement 2 Request a R...

Page 5: ...n 2 2 2 2 2 Cable Connections 2 3 2 2 3 Optional Redundancy Kit Installation 2 3 CHAPTER 3 CONNECTOR PINS 3 1 3 1 External Connections 3 1 3 1 1 Redundant Loop Interface Connector J4 3 2 3 1 2 Custome...

Page 6: ...Current Faults Menu 4 13 CHAPTER 5 REDUNDANT CONFIGURATION 5 1 5 1 General 2 1 5 2 Redundant Operation 5 1 5 2 1 Control Cabling for a 1 1 System 5 2 5 2 2 Control Cabling for a 1 2 System 5 3 5 2 3 G...

Page 7: ...6 8 6 9 Command Response Pairs 6 9 6 9 1 Utility Commands 6 9 6 9 2 Configuration Commands 6 10 6 9 3 Mode Commands 6 11 6 9 4 Status Commands 6 12 6 9 5 Stored Alarms 6 16 6 9 6 Error Processing 6 1...

Page 8: ...u Tree 4 6 Figure 5 1 Control Cabling of a 1 1 System 5 2 Figure 5 2 Control Cabling of a 1 2 System 5 3 Tables Table 2 1 Cable Connections 2 3 Table 2 2 Redundancy Kit AS 0435 2 5 Table 2 3 Redundanc...

Page 9: ...voided could result in death or serious injury Safety Notices This equipment has been designed to minimize exposure of personnel to hazards The operators and technicians must CAUTION Know how to work...

Page 10: ...or the full range of data rates For more information refer to the Department of Defense DOD MIL STD 188 114A Electrical Characteristics of Digital Interface Circuits Recommended Standard Designations...

Page 11: ...ust be shielded from end to end ensuring a continuous ground shield The following information is applicable for the European Low Voltage Directive EN60950 HAR Type of power cord required for use in th...

Page 12: ...EF Data No other warranty is expressed or implied Comtech EF Data specifically disclaims the implied warranties of merchantability and fitness for particular purpose Exclusive Remedies The remedies pr...

Page 13: ...Ku Band Solid State Power Amplifier Revision 0 Preface MN KPA IOM xi NOTES...

Page 14: ...plied with the unit All operator controls indicators and displays for local and remote operation as well as the RF Input and Output sample test ports are located on the front panel of the unit Connect...

Page 15: ...g a ganged Waveguide coax transfer switch es to input and output connectors of the amplifiers with a combination coaxial cable and Waveguide kit When the backup KPA is commanded into the controller mo...

Page 16: ...Ku Band Solid State Power Amplifier Revision 0 Introduction MN KPA IOM 1 3 Figure 1 2 Block Diagram of KPA 020IN...

Page 17: ...Ku Band Solid State Power Amplifier Revision 0 Introduction MN KPA IOM 1 4 Figure 1 3 Block Diagram of KPA 040...

Page 18: ...N2 FAN1 AC POWER INPUT PS 2 9Vdc INPUT SAMPLE OUTPUT SAMPLE POWER CONDITIONING CONTROL CUST GAIN CTRL TEMP COMP 5V 5V 9V 9V 5V 12V 12V OUTPUT POWER DETECTOR REFLECTED POWER DETECTOR Keypad Display 9V...

Page 19: ...______________________________ ________________________________________________________________________ ________________________________________________________________________ _______________________...

Page 20: ...determine that all parts materials and documentation have been shipped with the KPA The KPA should be inspected for possible damage and then tested for proper operation If the shipment exhibits any o...

Page 21: ...ws Mount the slides on the sides of the KPA chassis with the provided mounting hardware Install the slide rails on the rack cabinet enclosure Secure the KPA to the cabinet with four screws inserted th...

Page 22: ...nt configurations 2 2 3 Optional Redundancy Kit Installation Comtech EF Data KPAs are easily configured for redundant systems by using one of the optional Redundant Cable Kits These kits include all t...

Page 23: ...Ku Band Solid State Power Amplifier Revision 0 Installation MN KPA IOM 2 4 Figure 2 1 Redundancy Installation 1...

Page 24: ...asher SS 160 RF ISHF037306 001 1 RF ISO 13 16G SMS FF 170 SW WG 754A0 1 SW WR75 O Ring Dual WGSMA 180 XX P SUPER O LUBE AR Parker Super O Lube 2 oz Table 2 3 Redundancy Kit KPS 040 Item No Part No QTY...

Page 25: ...ontrol cables 5 Note that the installation of the control cables determines which unit will function as the backup KPA Due to the nature of the dual WG coax switch this will always be the upper unit T...

Page 26: ...MA f J2 RF Output RF OUTPUT WR75G J3 AC Prime Power Input AC IN J4 Redundant Loop Interface REDUND LOOP MS3116F14 19P J5 Customer Discrete Control DISCRETE CONTROL MS 3116F14 19P J6 COM1 Port RS 232 R...

Page 27: ...is contained in Table 3 3 or Table 3 3a Table 3 3 Customer Discrete Control Connector J5 Stand alone or 1 1 System Pin Signal Name Description A Auto Select Momentary short to pin F to force entire su...

Page 28: ...Online Common Online Status Common H BU Online NO Tied to pin G when Redundancy functioning correctly all other conditions OPEN See Note 2 J Manual Select Momentary short to pin F to force entire sub...

Page 29: ...al RX TX Signal 5 Ground GND TX Signal RX TX Signal 6 Unit Ready always high DSR No Connect No Connect 7 Request to Send Looped to CTS RTS No Connect No Connect 8 Clear to Send CTS RX Signal RX TX Sig...

Page 30: ...s adjacent to the Prime Power input connector The circuit breaker is rated for 30 amps 3 3 Dimensional and Outline Diagrams KPA 020IN Refer to Figure 3 2 for the Dimensional Diagram all measurements s...

Page 31: ...Ku Band Solid State Power Amplifier Revision 0 Installation MN KPA IOM 3 6 NOTES...

Page 32: ...Ku Band Solid State Power Amplifier Revision 0 Installation MN KPA IOM 3 7 Figure 3 2 KPA 020IN Dimensional Diagram inches...

Page 33: ...Ku Band Solid State Power Amplifier Revision 0 Installation MN KPA IOM 3 8 NOTES...

Page 34: ...inches Comtech EF Data reserves the right to make changes to specifications of products described in this document at any time without notice and without obligation to notify any person of such chang...

Page 35: ...such changes BLOCK DIAGRAM RF IN 4 COAX RF OUT SSPA 1 3 2 1 SWITCH 2 4 3 1 WG BU SSPA DISCRETECO NTROL COM1 RF SWITCH COM1 DISCRETECO NTROL RF SWITCH RF OUT REDUNDANT LOOP REDUNDANT LOOP RF OUT AC IN...

Page 36: ...contains a User Interface keypad which is used by a local operator to input commands to the KPA The keypad is used to select the configuration for operating and monitoring the status of the KPA In con...

Page 37: ...lects functions and the menu operating data LCD Display Displays commands and data entered into the keypad GREEN Indicator Prime Power is applied when the light is On POWER ON YELLOW Indicator Transmi...

Page 38: ...d Indicates that the fault has been logged and stored When the LED light is On The fault may or may not be active Power Status Green Indicates that power is applied to the KPA when the LED light is On...

Page 39: ...RF output 3 Switch the On Off Prime Power Switch on the rear panel to On 4 Verify that the cooling fans are operating and that the POWER ON LED STATUS indicator light is On 5 After the PRIME POWER is...

Page 40: ...he local operator s interface to control configure and monitor the status of the KPA Operator inputs and commands entered into the keypad are displayed by the front panel 24 character 2 line LCD displ...

Page 41: ...CURRENT POWER FAULTS 28VOLTS AMPLIFIER M C PROCESSOR STORED FAULTS TOTAL FAULTS STORED CLEAR ALL STORED FAULTS STORED FAULTS UTILITY TIME DATE SERIAL MODE SERIAL PORT DATA DISPLAY CONTRAST FORWARD REV...

Page 42: ...sing this procedure Once a Command Function has been selected use the or arrow key pad buttons to sequence through the Operating Mode Commands Each of the modes will be displayed on the LCD display A...

Page 43: ...ed between 0 00 to 20 00 in 0 25 dB steps Amplifier Control supply voltage to RF FETS The default mode is On Mute Provide KPA mute control The default is OFF For KPA 020IN Only SELECT CONFIGURATION ME...

Page 44: ...n of the operating mode i e standalone or redundancy Priority SSPA Operating Mode Gain OFFSET Forced Backup Active Backup SELECT CONFIGURATION MENU REDUNDANCY CONFIGURATION PRIORITY PRIORITY SSPA 1 Pr...

Page 45: ...ckup Gain offset Provides for 7 0 dB offset to be entered for individual KPA s in redundancy systems for Gain Equalization Activate Provides ONLINE OFFLINE control when manual mode is selected 4 2 1 2...

Page 46: ...ENU SELECT MONITOR STATUS MENU 12 12 12 2 12V 12 0 VCC 4 9 5V 4 9 SELECT MONITOR STATUS MENU 12V 28 VDC PS 27 9 9VPS1 9 1 9VPS2 9 0 SELECT MONITOR STATUS MENU 28VDC 28 VDC PS 27 9 9VPS1 9 1 9VPS2 9 0...

Page 47: ...Operation MN KPA IOM 4 12 SELECT MONITOR STATUS MENU RF FET RF FET Q1 XXXmA RF FET Q2 XXXmA RF FET Q3 X X AMPS RF FET Q4 X X AMPS RF FET Q5 X X AMPS RF FET Q6 X X AMPS RF FET QX X X AMPS RF FET QX X...

Page 48: ...T when a fault condition exists The display will indicate OK when a fault has not occurred KPA 020IN Only SELECT CURRENT FAULTS POWER FAULTS Power Faults 12V OK 12V OK VCC OK 5V OK 28 VDC PS OK 9 VDC...

Page 49: ...85 C 185 F This creates a summary fault and will cause the unit to mute itself and switchover to the backup unit However the 9V supply to the FET transistors will remain on until the unit reaches the...

Page 50: ...5 02 15 95 Displays the total number of faults stored The most recent fault stored is displayed on the LCD display SELECT STORED FAULTS MENU CLEAR ALL STORED FAULTS CLEAR ALL STORED FAULTS NO Displays...

Page 51: ...TIONS MENU SERIAL MODE SERIAL MODE RS232C ADDR XXX BAUD YYYY p ZZ Communications Link Serial Interface RS 232 RS 485 2 Wire RS 485 4 Wire Physical Address The default address starts from 001 Baud Rate...

Page 52: ...arrier frequency The RF Power Monitor is calbrated in the factory at the KPA center frequency The operator can adjust offset the display level using this function SELECT UTILITY FUNCTIONS MENU REVERSE...

Page 53: ...__________________________________________________________________ ________________________________________________________________________ ____________________________________________________________...

Page 54: ...tallation diagram of a typical redundant system Normal Operation Incoming RF signals are routed through the primary online SSPA 1 1 or SSPA 1 2 to the system output s by the combination waveguide coax...

Page 55: ...at when connected to two KPAs one KPA will automatically configure itself as the Backup Controller and the other KPA will automatically configure itself as the Primary KPA The backup KPA communicates...

Page 56: ...aches from the Backup Unit J7 to the Waveguide switch 5 2 2 Cabling for a 1 2 System Figure 5 2 Control Cabling of a 1 2 System See Figure 5 2 Note The functionality described for the 1 1 Redundant Sy...

Page 57: ...to arrive at the desired output power level 3 Record the output level of the Online Unit in dBm 4 Force the backup unit to be the active path as outlined in the CONFIGURATION Menu Ensure the Offset V...

Page 58: ...his will be a positive number 2 Toggle between the online and backup units as being the active path by forcing and un forcing a back up through the back up unit CONFIGURATION Menu settings Make sure t...

Page 59: ...Ku Band Solid State Power Amplifier Revision 0 Redundant Configuration MN KPA IOM 5 6 NOTES...

Page 60: ...a primary KPA fails the backup detects this event and automatically reconfigures itself to the proper attenuation setting and positions the waveguide switch to provide minimal loss of traffic A result...

Page 61: ...EIA standards 6 3 Interface Connector All three interface types 2 wire RS 485 4 wire RS 485 and RS 232 are implemented alternately through the same 9 pin connector The remote control port is a female...

Page 62: ...andshaking Most of today s PC s are provided with RS 232 serial ports that do not require the hardware handshaking In these instances the interface can be reduced to three signals TD RD and GND RS 485...

Page 63: ...d Rate is 9600 Baud rates of 4800 2400 1200 and 300 also are supported Character Set The character set implemented is ASCII Response Timeout A minimum of 500 milliseconds should be provided before dec...

Page 64: ...or and Control Computer is used one RS 232 port per KPA is required 6 6 2 Indirect Access KPAs in Redundancy Mode may be addressed indirectly by adding a virtual address to the backup KPA s physical a...

Page 65: ...only be accessed with a physical address For Example 10 Addresses KPA whose physical address is 10 6 7 2 Virtual Address In order to access an KPA controlled by a backup KPA indirectly a virtual addre...

Page 66: ...for the generic case examples For Example DEV COM_xxx cr Sends data to an KPA For Example DEV COM_ cr Requests information from an KPA 6 8 Confirmation Response A confirmation will change the start c...

Page 67: ...reen presentation would result when KPAs are controlled by simple ASCII terminals 6 8 2 1 Command Ending The end of message for a command is a carriage return For this document cr is used for the carr...

Page 68: ...te is 9600 Parity Bit Set Parity Bit Confirmation Retrieve Parity Bit Confirmation DEV SPB_xxxx cr DEV SPB_xxxx cr lf DEV SPB_ cr DEV SPB_xxxx cr lf Where xxxx Odd or Even The default parity is Even L...

Page 69: ...lay by use of the clear function key on the front panel The default is AID MESSAGE Local Remote Entry mode Status KPA 040 Local Remote Control Confirmation Retrieve Local Remote Status Confirmation DE...

Page 70: ...Confirmation DEV SAM_y cr xxx DEV SAM_y cr lf DEV SAM_ cr DEV SAM_y cr lf Where y A for Auto M for Manual The default is Off This command provides for automatic switching by the backup KPA if both un...

Page 71: ...BU Backup 01 or 02 2 If xx is either 01 or 02 then the y field indicates the Auto Manual status either A if Auto or M if manual 3 If xx field is BU the y field indicates the pripority KPA either 1 if...

Page 72: ...ent in amps FET11 current in amps FET12 current in amps FET13 current in amps FET14 current in amps FET Status KPA 080 KPA 100 FET Status Confirmation DEV RFS_ cr DEV RFS_ cr FET1_xxx cr FET2_x x cr F...

Page 73: ...P_xx cr FAN1_xx cr FAN2_xx cr lf Alarm Status KPA 040 Alarm Status Confitmation DEV RAS_ cr DEV RAS_ cr 28_xx cr 12_xx cr 12_xx cr 5_xx cr 5_xx cr 9_xx cr TEMP_xx cr SHTD_xx cr FAN1_xx cr FAN2_xx cr P...

Page 74: ...e unit reaches the thermal shutdown temperature of 90 C For protection reasons the unit will shutdown the 9V supply to the power transistors at temperatures at 90 C Summary Alarm Status Summary Alarm...

Page 75: ...r count in Hex dd 5 VDC supply scaled 100mV per countin Hex ee 5 VDC supply scaled 100mV per count in Hex ff 9 VDC supply 1 scaled 100 mV per count in Hex gg 9 VDC supply 2 scaled 100mV per count in H...

Page 76: ...100mV per count dd FET4 current in Hex scaled 100mV per count ee FET5 current in Hex scaled 100mV per count ff FET6 current in Hex scaled 100mV per count gg FET7 current in Hex scaled 100mV per count...

Page 77: ...ount jj FET10 current in Hex scaled 100mV per count kk FET11 current in Hex scaled 100mV per count ll FET12 current in Hex scaled 100mV per count mm FET13 current in Hex scaled 100mV per count nn FET1...

Page 78: ...lt else 0 k 1 if FAN2 Fault else 0 l 1 if PROC Fault else 0 6 9 5 Stored Alarms The 100 alarms are date time stamped and stored in memory as they occur The alarm entry also is updated with its date ti...

Page 79: ...ration Errors The following Error Responses may be generated by configuration commands Configuration Error Message DEV COM LO DEVICE IN LOCAL MODE cr lf 6 9 8 Time Outs A time out should be assumed if...

Page 80: ...OFF DEV AMP_xxx cr 6 9 2 Mute Unmute DEV MUT_xxx cr 6 9 2 Set Attenuation DEV ATT_xx xx cr 6 9 2 Select Auto Fault Recovery MDEV AFR_xxx cr 6 9 2 Redundancy Mode Commands Select Auto Manual Mode DEV...

Page 81: ...o Fault Recovery DEV AFR_xxx cr 6 9 2 Status Commands Retrieve Configuration Status DEV RCS_ cr 6 9 4 Retrieve Maintenance Status DEV RMS_ cr 6 9 4 Retrieve FET Status DEV RFS_ cr 6 9 4 Retrieve Utili...

Page 82: ...7 1 Chapter 7 Maintenance and Troubleshooting 7 1 General Refer to the block diagram in Section 1 for interconnecting cables and general troubleshooting help...

Page 83: ...Actual measured data for these sample ports is located on the front panel 7 3 Troubleshooting Refer to Table 7 1 KPA operating problems can be identified by first observing the status indicators on t...

Page 84: ...proximately between the two pins at the fan 3 Check cable wiring if fautly or return to factory for repair Firmware not properly seated Fans are microprocessor controlled and monitored 1 Ensure U11 an...

Page 85: ...fied Remove and replace the input cable 5 Use the Monitor menu to check the internal level of the PS1 and PS2 The levels should be near 9V If not correct use a voltmeter to measure the voltage where t...

Page 86: ...pare readings with the specified nominal values Report excessive readings to the manufacturer for repair There are no user serviceable parts inside the KPA amplifier module 9V power supply fault PS1 a...

Page 87: ...Ku Band Solid State Power Amplifier Revision 0 Maintenance and Troubleshooting MN KPA IOM 7 6 NOTES...

Page 88: ...Band Solid State Power Amplifier Revision 0 Specifications MN KPA IOM A 1 Appendix A Specifications A 1 General The following tables are individual specifications for KPA 020IN KPA 040 KPA 080 KPA 10...

Page 89: ...1 dB Compression Mute 60 dB VSWR 1 25 1 maximum Connector WR75G Waveguide Gain Linear 50 dB minimum 53 dB Typical Adjust 20 dB in 0 25 dB steps Fill Band 0 75 dB Per 40 MHz 0 25 dB 0 to 50 C 32 to 122...

Page 90: ...arms Summary Fault Form C LED Power On Green Fault Red Stored Fault Red TX On Yellow Online Yellow Remote Yellow Mechanical Envelop 3 5H x 19W x 24D inches 8 89H x 48 26W x 60 96D cm Weight TBD Enviro...

Page 91: ...1 00 dB full band Third Order Intermodulation Intercept 53 5 dBm minimum 56 0 dBm typical Products 30 dBc typical at 25 dBc maximum 3 dB total backoff 2 tones f 1 MHz AM to PM Conversion 2 0 degrees...

Page 92: ...Red Red Yellow Yellow Yellow Mechanical Height Width Depth 7 inches 18 cm 19 inches 48 cm 24 inches 61 cm Environmental Altitude Temperature Humidity Shock 15 000 feet MSL operating 0 to 50 C 32 to 12...

Page 93: ...in Fault Red Linear 61 dB minimum 64 db Typical Stored Fault Red Adjust 20 dB in 0 25 dB steps TX On Yellow Full Band 0 75 dB Online Yellow Per 40 MHz 0 25 dB Remote Yellow 0 to 50 C 32 to 122 F 0 50...

Page 94: ...n Green Gain Fault Red Linear 65 dB minimum 70 db Typical Stored Fault Red Adjust 20 dB in 0 25 dB steps TX On Yellow Full Band 0 75 dB Online Yellow Per 40 MHz 0 25 dB Remote Yellow 0 to 50 C 32 to 1...

Page 95: ...______________________ ______________________________________________________________________________ ______________________________________________________________________________ ___________________...

Page 96: ...1 F Family of Ku Band SSPA 1 1 Front Panel 4 1 Front Panel Indicators 4 3 Functional Description 1 3 G Gain Eequalization of Redundant Units 5 4 General 4 1 5 1 6 1 7 1 I Indirect Access 6 5 Installa...

Page 97: ...Monitor Status Menu 4 10 Select Stored Faults Menu 4 15 Select Utility Functions Menu 4 16 Specifications A 1 Start Character 6 6 Status Commands 6 12 Stored Alarms 6 16 Switching On 4 4 T Time Outs...

Page 98: ...103 1 609 x 103 1 609 1 mm 0 03937 1 kilometer 0 621 Temperature Conversions Units of Weight Unit Gram Ounce Avoirdupois Ounce Troy Pound Avoir Pound Troy Kilogram 1 gram 0 03527 0 03215 0 002205 0 0...

Page 99: ...2114 WEST 7TH STREET TEMPE ARIZONA 85281 USA 480 333 2200 PHONE 480 333 2161 FAX...

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