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Summary of Contents for VertexRSI 7200

Page 1: ...CG 1190 REV C JUNE 1999 OPERATION AND MAINTENANCE MANUAL FOR MODEL 7200 CONTROL SYSTEM WITH 7150 DRIVE CABINET VERSION 3 SOFTWARE Controls Structures Division 1915 Harrison Road Longview Texas 75604...

Page 2: ...ion in the installation operation checkout and service of this equipment PROPRIETARY NOTICE All computer software technical data or other information pertaining to the equipment covered by this manual...

Page 3: ...ations Corporation shall not be responsible for injury or damage resulting from improper procedures or from the use of improperly trained or inexperienced personnel performing such tasks During instal...

Page 4: ...3 2 4 2 3 Drive Cabinet Control Logic 2 13 2 4 2 4 Local Control 2 13 2 4 2 5 Drive Cabinet Overcurrent Protection 2 13 2 4 2 6 AZ and EL Drive Motors 2 14 2 4 2 7 Absolute Position Transducers 2 14 2...

Page 5: ...4 8 4 3 4 3 PMCU With Position Display Option Installation 4 9 4 3 4 3 1 PMCU Connections 4 9 4 3 4 3 2 PMCU Display Setup 4 10 4 3 5 Resolver Connections 4 10 4 3 5 1 Optical Encoder Connections Opti...

Page 6: ...Current Target Menu 5 14 5 8 2 4 Immediate Tracking Menu 5 14 5 8 2 4 1 Move to Look Angles Menu 5 15 5 8 2 4 2 Move to Longitude Menu 5 16 5 8 2 4 3 Steptrack Menu 5 17 5 8 2 4 3 1 Steptrack Paramete...

Page 7: ...5 8 5 16 Power Up Test Report 5 46 5 8 5 17 Firmware Version Information 5 46 5 8 6 Edit System Configuration Menu 5 47 5 8 6 1 Tracking Receiver Setup Menu 5 47 5 8 6 1 1 Receiver Controller Paramete...

Page 8: ...4 Site Data 6 9 6 6 5 R F Geometry 6 9 6 7 Manual Antenna Control Tests 6 9 6 8 Software Limit Tests 6 11 6 9 Steptrack Tests 6 13 6 9 1 Input Signal Variation 6 13 6 9 2 Tracking Accuracy 6 13 6 9 3...

Page 9: ...ory 3 4 4 1 Mounting the 7200 A CU 4 2 4 2 7200 Antenna Control System Cabling Diagram 4 3 4 3 Drive Cabinet Assembly 4 4 4 4 7200 Antenna Control Unit Rear Panel 4 7 4 5 DOI Layout and Component Iden...

Page 10: ...ctors 4 7 4 4 Control Cable Connections 4 8 4 5 PMCU Connections 4 9 4 6 Resolver Connections 4 10 4 7 Optical Encoder Connections 4 11 4 8 Optical Encoder Connections Table 4 12 4 9 Position Display...

Page 11: ...Faults 5 36 5 14 Finite State Machine States 5 41 5 15 Steptrack Statistics 5 42 5 16 OPT Statistics 5 42 5 17 Orbit Data Calculations 5 43 5 18 Background Tasks 5 44 5 19 Star Viewing Windows 5 45 5...

Page 12: ...tions Section 1 0 Introduction gives the purpose scope and organization of this manual Information for obtaining technical support is also included in this section Section 2 0 Overview of the 7200 A C...

Page 13: ...ational problems are incurred or if nonstandard tracking sources are used in the Automatic Gain Control A GC mode Appendix E T wo Speed Resolver Calibration provides instructions for calibrating the t...

Page 14: ...u in the system by simply pressing the HELP key on the 7200 A CU s front panel For operational problems a troubleshooting guide is provided in Appendix G of this manual If assistance is needed that ca...

Page 15: ...INTRODUCTION 1 4 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 16: ...terface which is fully menu driven and includes context sensitive help messages With much detail paid to the man machine interface the 7200 A CU provides straightforward access to an extremely versati...

Page 17: ...Position Display Resolution 0 01 Standard 0 001 Optional Available only with high accuracy encoding system options Position Encoding Repeatability Typically 1 LSB of resolver to digital conversion res...

Page 18: ...V A C three phase WYE or 380 415 V A C three phase WYE requiring a four wire circuit plus a ground conductor The actual current power requirements for a given system are essentially established by the...

Page 19: ...face directly with the A CU via a shielded multiconductor cable for each device The standard configuration includes single speed brushless resolvers that require six conductor cables The cables termin...

Page 20: ...industrial Versa Module Europe VME bus architecture providing extreme versatility and reliability far above many other hardware platforms Several printed circuit cards and peripheral subassemblies de...

Page 21: ...O VERVIEW 2 6 Figure 2 3 7200 A CU Functional Block Diagram...

Page 22: ...O VERVIEW 2 7 Figure 2 4 7200 Antenna Control Unit Top View Figure 2 5 7200 Antenna Control Unit Side View...

Page 23: ...rol outputs and also incorporates an A D daughterboard with interfaces for the DC tracking voltage inputs VME bus interface circuitry is also provided to accommodate the regulation of data transfer be...

Page 24: ...front side access to the card cage The front panel display and keyboard and their respective control circuit cards are supported by studs connected to the front panel A VME backpanel PCB serves as the...

Page 25: ...sion is provided by an input line conditioning filter 2 4 2 Antenna Drive Cabinet Hardware The standard motor drive cabinet is a freestanding foot mounted aluminum NEM A 4X enclosure with overall dime...

Page 26: ...kers EMERGENCY STOP SWITCH AZ Variable Speed A C Drive Unit Inverter EL Variable Speed A C Drive Unit Inverter 24 VDC Power Supply Control Circuitry for the POL Motors In Three Axis and Four Axis Syst...

Page 27: ...use of variable frequency drive inverters to control the speed of standard three phase induction motors for AZ and EL antenna motion This approach has several distinct advantages over the commonly us...

Page 28: ...ure activate relays in the drive cabinet upon engagement to form axis interlocks and provide the appropriate fault reporting to the A CU 2 4 2 4 Local Control Local Maintenance control of the antenna...

Page 29: ...e increased resolution and accuracy With the two speed option an overall control system accuracy of 0 01 degree peak error is achieved In this configuration dual monolithic resolver to digital convers...

Page 30: ...inet The EMERGENCY STOP button is located on the outside of the drive cabinet and additional optional emergency stop switches may be provided at other locations 2 5 1 7200 ACU Controls and Indicators...

Page 31: ...characters identifies the target currently being accessed by the system If the system is in the process of moving from one target to another or in a program tracking mode of operation the target or n...

Page 32: ...system operation manuals One item in each menu is always highlighted by an inverse video cursor which is controlled by keypad direction keys The ENTER key then selects the highlighted item either for...

Page 33: ...TER Selects the currently highlighted item PRIOR Returns to the last screen viewed before the user pressed ENTER or HELP During in line editing restores data to the value it had before ENTER was last...

Page 34: ...the AZIMUTH SPEED ADJUST Switch until the switch is released When the switch is released it returns to center and the motion ceases This switch when turned to CCW and held rotates the Azimuth in the...

Page 35: ...luminates to indicate Forward commanded REV LED illuminates to indicate Reverse commanded FWD REV BUTTON Press to toggle between Fwd Rev command RUN LED illuminated indicates drive is running STOP LED...

Page 36: ...a fully automatic manner simply by invoking the name of the target This greatly enhances normal operation of the system by reducing the level of required operator expertise and intervention Configurin...

Page 37: ...Manual Control Via Portable Maintenance Control Unit PMCU Manual control of antenna position is provided from the drive cabinet PMCU Figure 2 10 or the A CU user interface Figure 2 10 Portable Mainte...

Page 38: ...a motion POL jog control 3 axis systems is single speed only 4TH A XIS jog control 4 axis systems is also single speed 2 9 Immediate Tracking The 7200 A CU provides four immediate tracking modes as de...

Page 39: ...or the next peaking operation will tend to move the antenna along the satellite ephemeris This feature greatly reduces the errors introduced by the wrong guess made during significant portions of the...

Page 40: ...around the theoretical values Again the data for a given target is maintained in a dedicated data base for that target and is continually updated to provide appropriate positioning anytime the target...

Page 41: ...O VERVIEW 2 26 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 42: ...d forces acting on the spacecraft to predict the position of the spacecraft at the desired time The prediction is performed using an algorithm called a propagator A propagator takes an orbital element...

Page 43: ...ata after a maneuver has taken place then station keeping has no effect on the validity of the orbit solution until a new station keeping maneuver is performed The two body propagator does not take in...

Page 44: ...Box Scan Spiral Scan or Raster Scan Orbit scan will only search the most probable path of the satellite and not waste time in empty sky The Orbit scan mode is a user selectable option on the OPT trac...

Page 45: ...culate a satellite trajectory which places the ascending node at the nominal longitude and provides an inclination equal to the estimated inclination provided The trajectory is assumed to be a circula...

Page 46: ...THEORY 3 5...

Page 47: ...terface Appendix C of this manual contains the remote interface protocol The system installation and setup instructions are presented in the following general order Mechanical Installation System Cabl...

Page 48: ...location of the 7200 A CU in the rack Refer to Figure 4 1 for details of rack mounting Figure 4 1 Mounting the 7200 A CU 1 In the rack rail countersink the mounting holes for the threaded strip 2 Ins...

Page 49: ...00 A CU and from the antenna to the 7200 A CU Power must also be provided from CFE power distribution points to the drive cabinet and A CU Be sure the cables are connected correctly and securely becau...

Page 50: ...e from the distribution panel to the drive cabinet is long increase wire size to keep the voltage drop to less than 5 percent of nominal NOTE The prime power required for the standard drive system is...

Page 51: ...1 MOTOR CONNECTIONS TO THE DRIVE CABINET DRIVE C ABINET TB1 DEVICE FUNCTION Az U Az Motor Phase 1 Az V Az Motor Phase 2 Az W Az Motor Phase 3 EL U EL Motor Phase 1 EL V EL Motor Phase 2 EL W EL Motor...

Page 52: ...e TB1 terminal labeled POL CC W in the drive cabinet 12 Connect the wire from terminal 2 of 4TH A XIS motor to TB1 terminal labeled N 13 Connect the 4TH A XIS motor case ground to the ground terminal...

Page 53: ...ion 1 Connect one end of the 25 conductor control cable Belden 8459 or equivalent to the 25 pin connector labeled DRIVE INTERFA CE J10 on the back of the 7200 A CU refer to Figure 4 4 Refer to Table 4...

Page 54: ...EL Fault Common 18 18 Sum Limit Az Fault EL Fault Common 19 19 E Stop Command 20 20 No Connection 21 21 AZ High Speed Command 22 22 EL High Speed Command 23 23 Drives Enable 24 24 Local Maint Status...

Page 55: ...he relay Printed Circuit Board PCB and the MS connector located on the back plate of the 7150 drive cabinet The connections on TB1 are for the RS 422 that is used on the optional PMCU display This inf...

Page 56: ...o the port configuration before the new settings become valid Port 2 Baud bps 9600 Parity None Data bits 8 Stop bits 1 Shell PMCU Handshake None 4 3 5 Resolver Connections 4th Axis System Only Connect...

Page 57: ...red green 8 13 S12 yellow green 11 11 S13 black green 9 14 S14 blue green 12 1 6 7 12 15 Shield Not Connected at Resolver No Connection Reserved 3 No Connection Reserved 10 Shielding pairs R1 R2 S1 S3...

Page 58: ...6 4 3 6 Analog Input Connections T wo analog input ports are provided on the 7200 A CU via J9 on the rear panel Refer to Figure 4 4 Internally the analog inputs connect to A D converter circuits that...

Page 59: ...format suitable for the 7200 A CU processing routines It has two independent converter channels each of which has the capability of converting linear tracking receiver voltage levels or video A GC vo...

Page 60: ...ections for the remote communication ports to the 7200 A CU Refer to Appendix C for information on the remote communications protocol The standard 7200 A CU is configured for RS 232C communications vi...

Page 61: ...Table 4 13 and make the appropriate connections to TB1 on the 7200 A CU rear panel TABLE 4 13 REMOTE BEACON SELECT AND SUMMARY FAULT TERMINAL STRIP TERMINAL TB1 FUNCTION 1 Summary Alarm Out 2 Summary...

Page 62: ...th Modulation Inverter Drive Setup AZ EL Drv Modules The intelligent variable speed motor control modules incorporated in the drive cabinet for AZ and EL require correct setting for a number of operat...

Page 63: ...cates stop command RUN BUTTON Press to start the drive STOP RESET BUTTON press to Stop the drive or to reset a fault LCD DISPLAY shows drive operation conditions and program settings UP DOWN Keys Pres...

Page 64: ...r See Note 3 16 USE ONLY THE ST ANDARD AUTOTUNE FUNCTION IT DOES NOT ROT A TE THE MOTOR WHEN ANY PARAMETER IS CHANGED THE AUTOTUNE MUST BE REDONE 18 80 RPM 101 0 8S 102 0 8S 111 Set to 10 of motor nam...

Page 65: ...clear of electrical and mechanical stop limits in all axes preferably with each axis near the center of travel WARNING IF ANY AXIS DRIVE MOTOR IS PHASED INCORRECTLY THE CORRESPONDING ELECTRICAL LIMIT...

Page 66: ...he C W drive command should result in clockwise rotation of the feed assembly as viewed from the rear of the antenna structure the CC W drive command should result in counterclockwise rotation of the...

Page 67: ...ating backward switch wires on TB1 1 and TB1 3 2 Using the PMCU hold the AZ A XIS CONTROL switch in the CC W position and drive the antenna into the AZ CC W limit Verify that the CC W movement of the...

Page 68: ...xis to ensure clearance of all obstructions while allowing only the necessary total antenna travel in each axis 4 4 1 5 AZ and EL Speed Adjustments Low and high speed drive rates for the AZ and EL axe...

Page 69: ...ions of the system and procedures for editing the tracking data and system configuration are included in this section 5 2 The 7200 ACS Menu System The menu system provides access to all of the capabil...

Page 70: ...ms 5 per column If more information than can fit on one screen needs to be displayed there will be a message in the screen title as shown in Figure 5 2 To view the next screen of a multiscreen menu si...

Page 71: ...shows an example of the menu that appears when Tracking functions is selected from the Main menu If Immediate tracking is chosen from that menu the Immediate tracking screen appears with additional i...

Page 72: ...stem includes information on all system functions parameters and menus Help screens may contain explanations of a parameter or a function and any requirements for executing that function e g the user...

Page 73: ...will appear when the cursor is placed over the parameter and the ENTER key is pressed Figure 5 6 Parameter Edit Screen 5 4 1 Error Messages for Incorrect Entries The 7200 A CS not only provides value...

Page 74: ...ter and Data Storage All parameters target specific and system are stored in battery backed nonvolatile RA M on the CPU board This includes all accumulated steptrack data In addition when the A CU is...

Page 75: ...to TRA CKING SPEED The SLEW SPEED and TRA CKING SPEED parameters are set in the drivers Slew Speed is a fast speed Track Speed is a slow speed 3 Hold the momentary AZ A XIS CONTROL to the C W or CC W...

Page 76: ...he A CU 5 8 The 7200 ACS Main Menu All operation of the 7200 A CU is through the Main Menu See Appendix I for 7200 menu tree flow charts The Main Menu gives the operator a choice to select a function...

Page 77: ...e by selecting the Return to standby stop tracking function For convenience the function is included in two menus Main menu and Tracking functions menu 5 8 2 Tracking Functions Menu All antenna contro...

Page 78: ...hat include the desired tracking mode Multiple unique data bases are simultaneously maintained for all targets The user simply selects the name associated with the desired target and the A CU automati...

Page 79: ...acking mode and target parameters Reset OPT target is only available when a target s tracking mode is OPT Set star time bias is only available for targets configured for the Star tracking mode 5 8 2 3...

Page 80: ...Enter manual antenna control to bias the current target yes no YES NO changes YES NO response ENTER accepts displayed YES NO response 2 Answer YES Peak the antenna using the appropriate arrow keys 3...

Page 81: ...rack and OPT If the system is performing other types of tracking the operator may want to see what the tracking receiver sees for a particular beacon frequency For targets tracking in OPT changes to t...

Page 82: ...er the A CU will run ahead of the star by that amount of time For example if the star time bias is 00 01 00 the A CU will run 1 minute ahead of the star To edit the Set star time bias select the funct...

Page 83: ...cycle time used In addition this time is used when excessive discrepancies exist between the models and the steptrack pointing Receive 3 dB beamwidth deg 0 27 The receive 3 dB of the antenna Used by S...

Page 84: ...l with which steptrack can work to perform its operations If the signal falls below this level while steptracking the ACU will display a Low tracking signal level message and wait until the signal ris...

Page 85: ...eters use the following procedures 1 From the Main menu select Tracking functions then Immediate tracking Steptrack and Edit steptrack parameters 2 Using the arrow keys move the cursor to the paramete...

Page 86: ...of time such as doing test patterns To move the antenna in Sticky Mode hold the key with the desired directional key release both keys and the antenna will continue to move in the selected direction...

Page 87: ...y to move the antenna upward and to move the axis downward at slew speed hold down the SHIFT key and the down arrow key 4 To rotate the Pol axis press the CC W arrow key or the C W arrow key To move t...

Page 88: ...cking functions then select Edit a new or existing target 2 The Select a Target to Edit screen appears 3 Select a non initialized item represented as on the target selection menu and press ENTER 4 The...

Page 89: ...irst character of the target name Use the right arrow key to move to the character to be edited and using the up and down arrow keys scroll through the character set to the desired character When all...

Page 90: ...ollows the calculated position Intelsat 11 element IESS 412 Calculates an orbit by using figures from Intelsat and moves to the current calculated position Move to longitude moves to longitude and hol...

Page 91: ...er may enter any right ascension of the star in degrees declination of the star in degrees and the epoch set which is the Julian date representing the epoch for the right ascension and declination val...

Page 92: ...ror is cleared Orbit scan Used if OPT has no signal and no orbit model with which to work A circular geosynchronous orbit is generated passing through the box center longitude with an inclination give...

Page 93: ...model is available and the Std Dev On the OPT Statistics screen is greater than this parameter A fixed scan will minimize tracking errors in a noisy environment The nominal value is set to 0 20 dB but...

Page 94: ...rols the frequency at which new look angles are calculated from an existing OPT solution The value can be increased to lower the workload on the CPU Max solution RMS 0 10 10 bandwidth WARNING Setting...

Page 95: ...assignment on the geostationary arc limited transfer orbit tracking and Molniya type orbit tracking If this parameter is enabled all other items in this menu must be set properly to begin tracking The...

Page 96: ...of the longitude oscillation degrees east LONC1 deg day Rate of change in LONC degrees east per day LONS deg E Amplitude of the sine component of the longitude oscillation degrees east LONS1 deg day...

Page 97: ...ook angles deg N A Look angles to which the antenna will move when selected target is tracked Bias angles deg N A These angles are added to the look angles to determine the target position These exist...

Page 98: ...lete ALL entries The user must be at Operator or Supervisor level to make changes to the schedule however the schedule may be viewed at Monitor level Also note that any changes made in this menu do no...

Page 99: ...ime as an existing entry the existing entry will be replaced with the new entry New entries are inserted into the schedule in chronological order moving entries with a later date and time down in the...

Page 100: ...the schedule To delete all entries from the schedule use the following procedures 1 From the Main menu select Tracking functions Target scheduler and Edit schedule 2 Select Delete ALL entries and pre...

Page 101: ...must acknowledge that the fault occurred before the fault message will disappear from the A CU display An example of a latching fault is the Tracking signal input saturated fault message indicating th...

Page 102: ...op Indicates that tracking has been stopped from the A CU keyboard Low tracking signal level Indicates if the signal is below the threshold necessary for steptracking functions Maintenance override at...

Page 103: ...or target configurations To change the user level of the system use the following procedures 1 From the Main menu select Set user level and passwords 2 Select the desired level and press ENTER 5 8 4...

Page 104: ...ord is incorrectly entered the following prompt will appear Password entered differently try again 7 If the password is entered incorrectly again the system will return to the Change user level screen...

Page 105: ...drive cabinet is enabled powered For beacons B1 B4 the one showing 0 is the beacon selected SUM ALM is 0 for OK and 1 for fault 5 8 5 3 Optical Encoders Optical Encoders shows in real time the errors...

Page 106: ...states 1 and 2 and UM is unused mode but all should show 1 s The status and mode information are not useful to the user they are provided for Vertex engineers use only and are not documented here 5 8...

Page 107: ...ast Indicates that the position loop has come within the deadband and is waiting for the antenna to come to a stop Inch coast Indicates that the position loop either overshot the positioning deadband...

Page 108: ...OPT STATISTICS FIELD DESCRIPTION STvsAST delta The short term versus AST delta is the calculated radial error in percentage of beamwidth bet ween the last steptrack solution and the short term soluti...

Page 109: ...nting location inside the box The limits are only active when the current target is an OPT target and Box limits are enabled This information is provided to assist in troubleshooting Box limit errors...

Page 110: ...LT_SOLVER Used by OPT to build orbit solutions These tasks will be awake occasionally when a new solution is being built Builds long term solutions SIMULA TOR This task will be A W AKE when the A CU i...

Page 111: ...led then A OS and LOS values are only bounded by the horizon 0 degrees elevation To use this utility a target for the star must be established To view a window for an existing target with a tracking m...

Page 112: ...ssed the most recent messages are displayed Events that have scrolled off of the screen may be viewed by pressing the up arrow key to scroll back one line in the buffer Pressing page up SHIFT and the...

Page 113: ...et UTC date and time Site data RF geometry Remote port configuration User interface options Tracking restoration options Factory tests Message printer options 5 8 6 1 Tracking Receiver Setup Menu The...

Page 114: ...n if it is in remote control mode To set this parameter use the following procedures 1 From the Main menu select Edit system configuration Then select Tracking receiver setup and Receiver controller 2...

Page 115: ...C W direction of its shaft but the A CU reports CC W direction and vice versa Table 5 20 describes the Position encoder configuration parameters TABLE 5 20 POSITION ENCODER CONFIGURATION PARAMETERS PA...

Page 116: ...two speed resolver option refer to Appendix E for procedures to calibrate the two speed resolvers 5 8 6 4 Motion Limits Menu There are two types of motion limits Software travel limits soft limits The...

Page 117: ...nt greater than the tolerance on an axis but in the opposite direction in which the A CU commanded the antenna an axis reversed error is displayed If the test is passed for all three axes the downcoun...

Page 118: ...Using the numeric keys enter a value within the range specified in the system prompt and press ENTER 4 Press the PRIOR key and the following prompt appears Save changes to menu Motion limits yes no Y...

Page 119: ...y The POL values also illustrate this the range of motion is from 90 00 degrees 270 00 to 90 00 degrees Since the negative value is the CC W limit the feed can move through 0 degrees 5 8 6 4 2 Motion...

Page 120: ...larger slower antennas do not move fast enough to cover the required distance in 2000 ms 2 seconds To prevent immobile errors in such systems the value of the Immobile reversed timeout ms should be i...

Page 121: ...he axes to come to a stop after the motors are stopped from track speed Positioning deadband deg This parameter determines the accuracy of the position loop The position loop will continue to move the...

Page 122: ...to the parameter and press ENTER Using the up and down arrow keys toggle through the preprogrammed choices When the desired choice is highlighted press the ENTER key 3 Press the PRIOR key and the foll...

Page 123: ...ecraft Simulator Setup Spacecraft Simulation Setup menu allows the user to set up a simulated spacecraft satellite The user can set nominal longitude orbital inclination and other simulated characteri...

Page 124: ...pecified in the system prompt and press ENTER 5 8 6 7 Set UTC Date and Time NOTE The system clock MUST be set to UTC setting it to local time will cause time dependent tracking modes i e OPT Intelsat...

Page 125: ...urrent position on the A CU front panel The position of the antenna latitude longitude and altitude The difference between the local time and UTC Timezone offset Local timezone displayed for the user...

Page 126: ...e is ahead of UTC a sign indicates that local time is behind UTC Eastern Standard Time is the default Timezone abbreviation Abbreviation used to indicate local time zone To change the antenna name use...

Page 127: ...at which the dish was balanced and focused This value is used in the droop correction To edit any of the parameters under this menu use the following procedures 1 From the Main menu select Edit system...

Page 128: ...used for computer control applications MT M C The Menu Tree M C is a command line monitor and control interface to the A CU typically used for remote control applications The MT M C is more operator f...

Page 129: ...and from the A CU has a t wo character checksum that is the one s complement of the sum module 256 of the characters on the line this does not include first space after the checksum nor does it includ...

Page 130: ...rols how the UTC date is played Options are dd Mmm example 26 Mar DDY example Day 85 Local date format dd Mmm This controls how the local date is displayed Options are the same as UTC date format Trac...

Page 131: ...ME This also affects the M C command C1 STOP RESUME via M C This setting does not affect the DRIVE ENABLE button on the A CU front panel which bypasses the CPU and is not under soft ware control Monit...

Page 132: ...er loss or a fault e g emergency stop By default the A CU attempts to return to tracking the last target it was tracking as soon as the fault condition s clears For some reasons some users may wish to...

Page 133: ...setting of this parameter determines what the A CU does when the user flips the CONTROL switch at the drive cabinet from REMOTE to LOC AL to allow local control of the antenna at the drive cabinet If...

Page 134: ...isor level During the test the STOP RESUME keys are still operational To execute the Video test use the following procedures 1 From the Main menu select Edit system configuration Factory tests and Vid...

Page 135: ...SUME and M AIN are disabled To execute the Keyboard test use the following procedures 1 From the Main menu select Edit system configuration Factory tests and Keyboard test 2 A prompt appears advising...

Page 136: ...h is only available at the factory therefore this test cannot be performed outside of the factory The tests are left accessible in the A CU in order to test the I O card along with the CPU and its fir...

Page 137: ...get name target number and type of solution that has become available Parameter changes When Enabled a message is printed whenever changes are made and saved to any system parameters or target configu...

Page 138: ...7200 OPERA TION 5 70 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 139: ...ive components for two axis systems The 3 axis system has POL and the four axis has POL 4th Axis 6 2 Drive Cabinet Line Voltage Measurements and Power Up 1 Using an A C voltmeter with the main circuit...

Page 140: ...commands N A if POL is unavailable _______ Check 5 Jog 4th Axis briefly C W and then CC W checking to see that the resulting motion corresponds to the respective switch commands N A if 4th Axis is una...

Page 141: ...b Check the 7200 A CU display for a SUM LIMIT message _______ Check c Record the AZ angle at which the limit occurred ______ Record d Verify that the antenna will drive in the CC W direction _______...

Page 142: ...limit occurred ______ Record d Check that the feed will drive in the C W direction _______ Check FOUR AXIS SYSTEM IF APPLICABLE 5 a Drive the antenna using the JOG 4th Axis C W switch until the limit...

Page 143: ...V LED illuminates to indicate Reverse commanded FWD REV BUTTON Press to toggle between Fwd Rev command RUN LED illuminated indicates drive is running STOP LED illuminated indicates drive stopped Blink...

Page 144: ...AUTOTUNE FUNCTION IT DOES NOT ROT A TE THE MOTOR WHEN ANY PARAMETER IS CHANGED THE AUTOTUNE MUST BE REDONE 18 80 RPM 101 0 8S 102 0 8S 111 Set to 10 of motor nameplate RPM See Note 2 112 Set to motor...

Page 145: ...initial configuration parameters for future reference 6 6 1 Position Encoder Configuration 1 From the Main menu select Edit system configuration _______ Check 2 Select Position encoder configuration...

Page 146: ...soft limits deg Upper C W soft limits deg Immobile reversed timeout ms Immobile reversed tolerance deg Runaway angle deg 6 6 3 Position Loop Parameters 1 Press the PRIOR key which returns the display...

Page 147: ...RIOR key which returns the display to the Edit system configuration menu _______ Check 2 Select RF Geometry _______ Check 3 Record the parameters in the following table PARAMETER SETTING Polarization...

Page 148: ...at the POL angle increases _______ Check 10 Hold the SHIFT key down and jog AZ CC W and observe that Azimuth CCW and Speed Slew high are highlighted and that the AZ angle decreases _______ Check 11 Ho...

Page 149: ...ntenna CC W in AZ to check that the antenna will back out of the soft limit _______ Check 6 Drive the antenna CC W in AZ until the soft limit stops the movement of the antenna _______ Check 7 Check th...

Page 150: ...___ Check 23 Check the display for a SOFT LIMIT message _______ Check 24 Record the POL angle at which the limit occurred ______ Record 25 Drive the feed tube CC W to check that the feed tube will bac...

Page 151: ...amount of fluctuation present 6 9 2 Tracking Accuracy 1 In Manual antenna control move the antenna off beam center in the direction listed in the following table until the signal level drops 2dB 2 Ac...

Page 152: ...GENCY STOP button on the side of the drive cabinet Verify that the 7200 A CU display shows E STOP _______ Check 4 Verify that the customer interface FLT contacts open _______ Check 5 Set the EMERGENCY...

Page 153: ...be checked for excessive dust accumulation at least once a month Figure 7 1 7200 A CU Rear Panel Fan Before removing the filter turn the power switch on the 7200 A CU to the off position To remove the...

Page 154: ...7200 M AINTENANCE 7 2 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 155: ...face PMCU Model 7150 200607 POL Motor 50Hz Optional 200608 POL Motor 60Hz Optional 200620 Antenna Control Unit Assembly and Wiring Model 7200 STD 200811 Baseline AZ EL Assembly 208 V A C Model 7150 Se...

Page 156: ...7200 DRA WINGS 8 2 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 157: ...ndard Code for Information Interchange ASSY Assembly AST Adaptive Steptrack AZ Azimuth BCD Binary Coded Decimal BDC Block Downconverter BIT Built In Test BW Bandwidth CC W Counterclockwise CFE Custome...

Page 158: ...Intelligent Serial Input Output km Kilometer LB Low Byte LED Light Emitting Diode LNA Low Noise Amplifier LOS Loss of Signal Loss of Star LSB Least Significant Bit LSI Large Scale Integration LT Long...

Page 159: ...tance capacitance RDC Resolver to Digital Converter REV Reverse RF Radio Frequency RFI Radio Frequency Interference RMS Root mean square ROM Read Only Memory rpm Revolutions per minute sec Second SPST...

Page 160: ...A CRONYMS ABBREVIATIONS A 4 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 161: ...rst before accepting a new password If a password has been lost or the user wants to disable password protection use the following procedures to reset a password or disable password protection The fol...

Page 162: ...he switch labeled 2 so that the arrow points to 0 NOTE In the next step when the ACU is powered up the display screen will indicate some alarm conditions because of the disconnected cables 10 On the r...

Page 163: ...ble exception of a low signal level 24 On the rear of the 7200 A CU set the power switch to the off position 25 Holding the top left corner of the cover with one hand press the hinge in with the other...

Page 164: ...7200 PASSW ORD PROTECTION B 4 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 165: ...to simplify the M C programmer s job the command set was written to be as consistent and uniform as possible 1 1 Scope This appendix is applicable to 7200 A CU firmware Version 3 22 or later Sections...

Page 166: ...carriage return ASCII 13 No line feed is used CR s input to the 7200 A CU will not be echoed regardless of whether echo is enabled or disabled The response from a request or command is always in the f...

Page 167: ...is enabled however additional spaces will alter the checksum Refer to Section 4 4 4 2 Position Vectors Position vectors are always transmitted by the 7200 A CU in the form of azimuth elevation and pol...

Page 168: ...input that field will be flagged as invalid data 20n Security violation Insufficient security level to complete command n indicates the required level 2 operator or 3 supervisor 300 Could not complete...

Page 169: ...off the target changing parameters to improper settings etc This system is not designed to hide details of the 7200 A CU s operation in fact any user at any time may view any status or parameter sett...

Page 170: ...front panel assumes control For example if the antenna is currently being controlled by a remote port in Operator level and a user logs into the front panel in Operator level the remote port goes back...

Page 171: ...CU Response none Security Monitor level 1 C1 n Function Stop resume tracking n 0 Stop antenna Does not return to Standby This is equivalent to pressing the STOP key on the 7200 A CU front panel n 1 Re...

Page 172: ...s listed in the following table BIT INDIC A TION 0 Drive cabinet fault is in effect no power emergency stop etc 1 Motion fault is in effect soft limit immobile etc 2 Tracking fault is in effect 3 Syst...

Page 173: ...curity Monitor level 1 DRIVE CABINET FAULTS BIT INDICATION 0 No power at drive cabinet 1 Emergency stop at drive cabinet 2 Maintenance override at drive cabinet 3 Travel limit switch summary 4 Azimuth...

Page 174: ...runaway 15 Elevation immobile 16 Elevation reversed 17 Elevation runaway 18 Polarization2 immobile 19 Polarization2 reversed 20 Polarization2 runaway 21 Keyboard stop 22 Polarization 2 C W soft limit...

Page 175: ...d cannot track 6 OPT cannot track 7 Tracking signal input saturated 8 Invalid target in target schedule 9 Sun outage Steptrack inhibited 10 Tracking delay in effect 11 Reserved unused 12 Reserved unus...

Page 176: ...olarization1 BIT failure 12 A D 1 failure 13 A D 2 failure 14 Unexpected exception 15 Sanity check failed 16 Non volatile RA M corrupted 17 Watchdog timeout 18 Simulation 19 Azimuth encoder error 20 E...

Page 177: ...t were a command the port could never be changed from Monitor level n Security level to change to 1 Monitor 2 Operator 3 Supervisor m Password for the requested level Response none Note A password is...

Page 178: ...A waiting Target 15 Tracking Remote Data 16 Monopulse Active Without OPT 17 Manual Rate Search 18 Acquiring Starting Position 19 Holding Starting Position A waiting Start Time 20 Using Interpolated D...

Page 179: ...tenna Unstow 11 Moon Tracking 12 Manual Antenna Control 13 A waiting Next Scheduled Target 14 Restoring Last Target 15 Restoring Target Scheduler 16 Monopulse Transfer Orbit Tracking 17 Tracking Table...

Page 180: ...becomes CRLF Response none Note This command only affects the newline sent by the 7200 A CU A CR must terminate input to the 7200 only ALF is not tolerated Security Supervisor level 3 R100 m Function...

Page 181: ...pecified Response n where n 0 if check summing off or n 1 if check summing on Security Monitor level 1 C103 n m Function Set communications parameters for a port n baud parity data bits stop bits Resp...

Page 182: ...er CC W soft limits Response position vector Security Monitor level 1 C202 v Function Set upper C W soft limits v position vector Response none Note On any axis the antenna may travel C W from the CC...

Page 183: ...r level 3 R205 Function Request runaway error tolerance Response position vector Security Monitor level 1 C210 v Function Set slew track transition angles v position vector Set slew track speed transi...

Page 184: ...r counting direction For each axis Y reversed N normal Response none Example C220 Y N Y AZ and POL are reversed EL is not Security Supervisor level 3 R220 Function Request encoder counting direction R...

Page 185: ...a quoted string up to 12 characters long Security Monitor level 1 C231 n Function Set site longitude n angle in degrees Response none Security Supervisor level 3 R231 Function Request site longitude R...

Page 186: ...evel 1 C235 s Function Set local time zone abbreviation s quoted string of three characters Response none Example C235 EST for Eastern Standard Time Security Supervisor level 3 R235 Function Request l...

Page 187: ...evel 2 R301 Function Request name of target currently being tracked Response s where s is a quoted string containing the target name or n is sent if in Standby mode n 1 or Immediate mode n 0 Security...

Page 188: ...306 v Function Update command position of tracking started with C2 command with the vector v This command is only used to update the commanded pointing position of the antenna after a C2 command has b...

Page 189: ...voltage A D 1 is also returned For possible future use also note the millisecond output in the time format is for future expansion and currently set to zero Response MM DD YYYY HH MM SS sss AAA AAAA...

Page 190: ...to use a TRL tracking receiver Function Set current Frequency MHz n frequency in MHz for the tracking receiver range 900 000 to 12750 000 Response none Security Operator level 2 R313 This command is o...

Page 191: ...ctive with a CP LP controller connected to a 7200 A CU and while the CP LP controller is in REMOTE Control mode Function Set feed polarization mode of CP LP controller which may be Circular or Linear...

Page 192: ...This has the same effect as selecting the target number of the current target in track Response none Security Operator level 2 C319 n Function Stops and resumes tracking in OPT mode only Does not cau...

Page 193: ...Day 001 HH Hour 001 MM Minute 001 SS Second 001 sxxx xxxx LM0 001 sx xxxx LM1 001 sx xxxxxx LM2 001 sx xxxx LONC 001 sx xxxx LONC1 001 sx xxxx LONS 001 sx xxxx LONS1 001 sx xxxx LA TC 001 sx xxxx LA T...

Page 194: ...TC sx xxxx LA TC1 sx xxxx LA TS sx xxxx LA TS1 sxxx xxxx Longitude predict at 170 hours sx xxxx Latitude predict at 170 hours Note 4 digits are required for year e g 1994 not 94 all others are identic...

Page 195: ...nds Response none Security Supervisor level 3 R322 n Function Request pointing update time of specified Intelsat target n input target number n 1 50 Response m where m update time in milliseconds Secu...

Page 196: ...CU until total n is reached The time tagged date time records must be ordered sequentially from earliest too latest n integer value representing total of records The MA X value of n is 200 n 0 causes...

Page 197: ...in the form TTRec mm dd yyyy hh mm ss aaa aaa eee eee ppp ppp Example 000 R340 1 6 TTRec TTRec TTRec TTRec TTRec TTRec 000 Note If the end is greater than the last record in the table ONLY the existi...

Page 198: ...Second 001 sxxxxx xxxx ECI X Position km 001 sxxxxx xxxx ECI Y Position km 001 sxxxxx xxxx ECI Z Position km 001 sxxx xxxx ECI X Position m sec 001 sxxx xxxx ECI Y Position m sec 001 sxxx xxxx ECI Z...

Page 199: ...Y Position km sxxxxx xxxx ECI Z Position km sxxx xxxx ECI X Position m sec sxxx xxxx ECI Y Position m sec sxxx xxxx ECI Z Position m sec Note An ESC character sent at any time will terminate the outp...

Page 200: ...ay of year and fractional portion of the day 001 s nnnnne n BST AR drag term 001 nnn nnnn Inclination Degrees 001 nnn nnnn Right Ascension of the Ascending Node Degrees 001 nnnnnnn Eccentricity 001 nn...

Page 201: ...es nnn nnnn RA AN Degrees nnnnnnn Eccentricity nnn nnnn Argument of Perigee Degrees nnn nnnn Mean Anomaly Degrees nn nnnnnnnn Mean Motion Revs per day Note An ESC character sent at any time will termi...

Page 202: ...Appendix C 7200 Remote Monitor and Control Protocol CG 6042 Rev F June 2000 C 38 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 203: ...ph 3 0 If performing a full linear and A GC realignment follow the steps in paragraphs 2 0 and 3 0 Open the 7200 A CU by removing the four 6 32 screws holding the front of the top lid and swing the li...

Page 204: ...2 into the A position for A GC mode Power up the 7200 A CU 1 On the 7200 A CU Main menu select Display system status and A D states 2 To effectively align the A GC offset acquire and peak the desired...

Page 205: ...g the front of the top lid and lift the lid locking it in place with the hinge found on the right side of the sub rack inside the unit 2 Power up the unit and disable the drives using the front DRIVE...

Page 206: ...esolver and provides a stable display with which to work while performing the alignment procedure 2 From the Main menu select Display system status then select RDC states The fields indicated by data...

Page 207: ...rocedures 1 From the Main menu select Edit system configuration and Site data 2 Select E Longitude of site deg and following the allowable range of values shown in the system prompt use the numeric ke...

Page 208: ...th to find the satellite Verify that proper satellite identification has been made 14 The 7200 A CU will calculate the look angles for a given longitude if the site data has been set properly From the...

Page 209: ...set to approximately 5 percent of the 3 dB beamwidth but no less than 0 02 on systems with standard resolvers Enter the value and press ENTER Answer yes to the system prompt to save changes and press...

Page 210: ...ted The target parameters made available for editing will be determined by the tracking mode selected for the target For most systems OPT will be the desired tracking mode 28 Select Tracking mode Usin...

Page 211: ...DO NOT enable Box limit or Orbit scan as the system will attempt to track a target at zero longitude 34 Enable Box limit and Orbit scan 35 Press PRIOR and answer yes to the prompt to save the changes...

Page 212: ...op output voltage 1 5 V this is close to a 3 dB drop 43 To begin tracking the target configured above from the Main menu select Tracking functions and Track a target 44 Select the target to be tracked...

Page 213: ...and set was written to be as consistent and uniform as possible 1 1 Scope This appendix is applicable to 7200 A CU firmware Version 3 22 or later Sections labeled as OPTIONAL do not apply to all syste...

Page 214: ...ists of CR ASCII 13 and an optional LF ASCII 10 There may be more than one line of data depending on the Request Command The M C response will always terminate with a newline followed by three ASCII d...

Page 215: ...f the decimal point Example 0 0 POL will always return 0 0 degrees if disabled Example return 125 35 53 81 2 0 Position vectors sent from the remote to the 7200 A CU must have at least one digit to th...

Page 216: ...ameter settings of the 7200 A CU 4 5 1 Security Levels and Transitions The 7200 A CU has three security levels their rules apply to the remote ports as well as to the front panel with a few exceptions...

Page 217: ...ed by a remote port in Operator level and a user logs into the front panel in Operator level the remote port goes back to Monitor level and cannot assume any level other than Monitor The front panel o...

Page 218: ...A CU Response none Security Monitor level 1 C1 n Function Stop resume tracking n 0 Stop antenna Does not return to Standby This is equivalent to pressing the STOP key on the 7200 A CU front panel n 1...

Page 219: ...as listed in the following table BIT INDIC A TION 0 Drive cabinet fault is in effect no power emergency stop etc 1 Motion fault is in effect soft limit immobile etc 2 Tracking fault is in effect 3 Sy...

Page 220: ...Security Monitor level 1 DRIVE CABINET FAULTS BIT INDICATION 0 No power at drive cabinet 1 Emergency stop at drive cabinet 2 Maintenance override at drive cabinet 3 Travel limit switch summary 4 Azim...

Page 221: ...uth runaway 15 Elevation immobile 16 Elevation reversed 17 Elevation runaway 18 Polarization2 immobile 19 Polarization2 reversed 20 Polarization2 runaway 21 Keyboard stop 22 Polarization 2 C W soft li...

Page 222: ...lid cannot track 6 OPT cannot track 7 Tracking signal input saturated 8 Invalid target in target schedule 9 Sun outage Steptrack inhibited 10 Tracking delay in effect 11 Reserved unused 12 Reserved un...

Page 223: ...Polarization1 BIT failure 12 A D 1 failure 13 A D 2 failure 14 Unexpected exception 15 Sanity check failed 16 Non volatile RA M corrupted 17 Watchdog timeout 18 Simulation 19 Azimuth encoder error 20...

Page 224: ...it were a command the port could never be changed from Monitor level n Security level to change to 1 Monitor 2 Operator 3 Supervisor m Password for the requested level Response none Note A password i...

Page 225: ...on A waiting Target 15 Tracking Remote Data 16 Monopulse Active Without OPT 17 Manual Rate Search 18 Acquiring Starting Position 19 Holding Starting Position A waiting Start Time 20 Using Interpolated...

Page 226: ...10 Antenna Unstow 11 Moon Tracking 12 Manual Antenna Control 13 A waiting Next Scheduled Target 14 Restoring Last Target 15 Restoring Target Scheduler 16 Monopulse Transfer Orbit Tracking 17 Tracking...

Page 227: ...F is not tolerated Security Supervisor level 3 R100 m Function Request newline mode for a port This is used to determine which newline mode the current port is in n is optional and is used to specify...

Page 228: ...s parameters for a port n baud parity data bits stop bits Response none Example C 103 9600 2 7 2 1 where setting is 9600 bps even parity seven data bits 2 stop bits directed at port 1 The convention f...

Page 229: ...Security Monitor level 1 C202 v Function Set upper C W soft limits v position vector Response none Note On any axis the antenna may travel C W from the CC W lower limit to the C W upper limit If the C...

Page 230: ...ck transition angles v position vector Set slew track speed transition deltas POL is single speed on standard 7200 A CU s therefore the POL value may not be applicable even though the field is require...

Page 231: ...vector Example R220 Y N Y shows AZ EL POL 000 Security Monitor level 1 C221 v Function Set encoder offsets directly v position vector Set offsets directly by supplying offset values Response none Secu...

Page 232: ...ees Security Monitor level 1 C232 n Function Set site latitude n angle in degrees North Response none Security Supervisor level 3 R232 Function Request site latitude Response n where n is an angle in...

Page 233: ...35 EST for Eastern Standard Time Security Supervisor level 3 R235 Function Request local time zone abbreviation Response s where s is a quoted string of three characters Security Monitor level 1 C240...

Page 234: ...level 2 R301 Function Request name of target currently being tracked Response s where s is a quoted string containing the target name or n is sent if in Standby mode n 1 or Immediate mode n 0 Securit...

Page 235: ...C306 v Function Update command position of tracking started with C2 command with the vector v This command is only used to update the commanded pointing position of the antenna after a C2 command has...

Page 236: ...sun centriod position and the current look angles at the time of the request The built in receiver voltage A D 1 is also returned For possible future use also note the millisecond output in the time f...

Page 237: ...2 n Function Request Bias angles of specified target n input target number n 1 50 Response v where v bias vector Security Monitor level 1 C313 n This command is only available when the system is confi...

Page 238: ...in dB for the tracking receiver n range 0 0 to 50 0 Security Monitor level 1 C316 n This command is only effective with a CP LP controller connected to a 7200 A CU and while the CP LP controller is in...

Page 239: ...ck This has the same effect as selecting the target number of the current target in track Response none Security Operator level 2 C319 n Function Stops and resumes tracking in OPT mode only Does not c...

Page 240: ...D Day 001 HH Hour 001 MM Minute 001 SS Second 001 sxxx xxxx LM0 001 sx xxxx LM1 001 sx xxxxxx LM2 001 sx xxxx LONC 001 sx xxxx LONC1 001 sx xxxx LONS 001 sx xxxx LONS1 001 sx xxxx LA TC 001 sx xxxx LA...

Page 241: ...x xxxx Latitude predict at 170 hours Note 4 digits are required for year e g 1994 not 94 all others are identical to Intelsat format An ESC character sent at any time will terminate the output stream...

Page 242: ...e of specified Intelsat target n input target number n 1 50 Response m where m update time in milliseconds Security Monitor level 1 C330 Function Execute antenna stow No arguments Response none Securi...

Page 243: ...CU until total n is reached The time tagged date time records must be ordered sequentially from earliest to latest n integer value representing total of records The MA X value of n is 200 n 0 causes a...

Page 244: ...LF in the form TTRec mm dd yyyy hh mm ss aaa aaa eee eee ppp ppp Example 000 R340 1 6 TTRec TTRec TTRec TTRec TTRec TTRec 000 Note If the end is greater than the last record in the table ONLY the exis...

Page 245: ...for the RS232 422 interface are listed here as a quick reference Differences Between RS232 422 and GPIB IEEE 488 Interfaces The format is as follows The paragraph number of both appendices are identic...

Page 246: ...e Space Checksums are not supported on the GPIB interface 4 4 Checksums Checksums are not supported on the GPIB interface 5 1 X1nn Port Configuration Requests and Commands These requests and commands...

Page 247: ...e Inverter Display Blank 1 0 Drive Cabinet Inverter Faults 2 0 7200 A CU Failures 3 0 Soft and Hard Travel Limits 4 0 Resolver Errors 5 0 Motion Errors 6 0 Position Loop Errors 7 0 Target Acquisition...

Page 248: ...A C voltage is applied d If the conditions listed in steps a through c exist measure the power supply output pins to verify that 24 VDC is available If DC voltage is not available disconnect the limi...

Page 249: ...OCS If overcurrent is detected during normal operation OCS will appear on the inverter display The following conditions may be the cause of this error 1 Phase to phase or phase to ground short at the...

Page 250: ...it 2 Check the fuse in the power entry module 3 Verify that proper voltage frequency has been selected at power input on the back of the unit 3 2 Display Shows Blinking Cursor Only If only a blinking...

Page 251: ...g to the card s To determine which board has a problem from the Main menu select Display system status and Power up test report 2 Verify all cards are properly installed in the 7200 A CU 3 Contact Ver...

Page 252: ...ohms S11 S13 562 ohms S12 S14 562 ohms Standard 2500 Hz 4 4 V RMS R1 R2 19 ohms S1 S3 6 8 ohms S2 S4 6 8 ohms High accuracy 400 Hz 11 8 V RMS R1 R2 120 ohms S1 S3 475 ohms S2 S4 475 ohms 5 1 Resolver...

Page 253: ...eadouts are varying rapidly spinning or if the resolver is jumping by large increments determine if the problem is in the A CU or the resolver cable by following these steps 1 Connect a spare resolver...

Page 254: ...Axis Reversed An Axis reversed error may be caused by the following conditions 1 At installation time the motor phasing was reversed check the phasing and correct if necessary 2 A sudden slew from one...

Page 255: ...motion default value drops out of slew long before the target is acquired 8 0 Target Acquisition Errors The following conditions may be the cause of errors occurring during target acquisition 1 If a w...

Page 256: ...Tracking Performance If the system is not adequately tracking 1 Check settings of tracking parameters Refer to the table in paragraph 5 8 of this manual that lists the parameters for the tracking mod...

Page 257: ...d cannot track Error Displayed The error Intelsat data invalid cannot track is displayed when the 11 element set entered failed the 170 hour test i e the predictions from the 11 element set at epoch p...

Page 258: ...7200 TROUBLESHOOTING G 12 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 259: ...VENDOR DA T A H 1 APPENDIX H VENDOR DATA This appendix contains the Sumitomo NTAC 2000 O M manual for the inverters...

Page 260: ...7200 VENDOR DA T A H 2 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 261: ...7200 MENU TREE I 1 APPENDIX I 7200 MENU TREE SOFTWARE This appendix contains the flow charts for the 7200 menu tree for software Version 3 2...

Page 262: ...7200 MENU TREE I 2 THIS PA GE INTENTIONALLY LEFT BLANK...

Page 263: ...are not addressed by the manual there are several ways to contact our technical support team 1 Phone us at 903 295 1480 2 Email us at support vcsd com 3 Make copies of the following Technical Inquiry...

Page 264: ...Technical Support J 2 THIS PAGE INTENTIONALLY LEFT BLANK...

Page 265: ...EXT FAX EMAIL EQUIPMENT INCLUDE MODEL NAME AND SERIAL NUMBER OF ALL PERTINENT EQUIPMENT 1 Model 2 Model 3 Model 4 Model S N _________________ _________________ _________________ _________________ OTHE...

Page 266: ...Technical Support J 4 THIS PAGE INTENTIONALLY LEFT BLANK...

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