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Содержание VME-SG2 560-5608

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Страница 2: ...Model 560 5608 VME SG2 SERIAL NUMBER_______________ Revision A January 8 1999 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 3: ...Output K IRIG B Amplitude Modulated Time Code Output L IRIG B DC TTL Time Code Output 1 6 2 Generator Specifications A General B External Time Base 1 6 3 Sync Generator Specification A General B GPS...

Страница 4: ...eading Time 2 4 7 Reading Position 2 4 8 Loading Position 2 4 9 Operational Configuration And Status Registers 2 4 10 VME Interrupt Control 2 4 11 VME SG GPS Memory Map 2 5 Programming Examples THREE...

Страница 5: ...ard operates with the GPS Engine Time and position are derived from the NAVSTAR Global Positioning System GPS In the Code Synchronized Generator mode the generator will phase lock to an external IRIG...

Страница 6: ...DESCRIPTION The VME SG configuration is a single slot board meeting the VME standard 6U height specification When the optional display is added two slots are required The GPS VME configuration require...

Страница 7: ...56 60 00 0 m ma an n 1 1 3 3 R Re ev v F F Programmed Rate Generator Programmed Compare Time 1 Programmed Compare Time 2 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www a...

Страница 8: ...signal may be input at the front panel BNC or on the P2 J2 connector See section 1 6 4 for P2 J2 pin assignment E Rate Generator Output Outputs a programmed pulse rate Rising edge on time Rates 10K 1K...

Страница 9: ...Ohms to ground Ratio Adjustable from 2 1 to 5 1 See section 1 6 4 for P2 J2 pin assignment L IRIG B DC Time Code Output RS 422 Signal Output RS 422 Logic Levels See section 1 6 4 for P2 J2 pin assign...

Страница 10: ...Correction Step Size Position Latitude Longitude and Elevation 100 meters 2DRMS Time To 20 minutes when at least 4 satellites available First Lock User Time 99999 nanoseconds Bias Local Offset 12 hou...

Страница 11: ...Input DC Shift RS 422 Format IRIG B122 Signal RS 422 logic level Impedance 120 ohms selectable using JP1 Error Fixed at 3 frames Bypass Phase Less than 1 microsecond typically Accuracy less than 500...

Страница 12: ...ator Code Output The amplitude modulated time code output is available on the front panel BNC labeled GEN CODE This output is in parallel with the same output on the P2 J2 connector d 1PPS Output The...

Страница 13: ...per between JP2 1 and JP2 2 to disable OFF 1 6 6 OPTIONAL FRONT PANEL ALPHANUMERIC DISPLAY Type 4 character by 4 line LED Display Time days hrs min sec Info Date month day of month year Oper Mode gen...

Страница 14: ...to place the address space of the VME SG GPS on any 256 byte boundary The switch sections correspond to VME address bits A8 A15 Section 1 selects the least significant address When the switch is in t...

Страница 15: ...on these pins in the slot allocated to the VME SG GPS are removed even if the VME SG GPS interrupts are not enabled C P2 Connector Conflicts Some systems use the P2 J2 connector for their local bus or...

Страница 16: ...SG GPS is capable of generating interrupts from up to four independent sources The sources are the External Event input the Pulse Rate logic and the 2 Time Compare Outputs Each interrupt source separ...

Страница 17: ...TOR The Generator accumulates time using an internal or external time base and provides time information to the VME bus consisting of microseconds through thousands of years The VME SG GPS contains tw...

Страница 18: ...in the same manner as in the GPS Synchronized Generator mode indicating relative phase accuracy See table 2 1 An ERR LED indicator on the front panel illuminates when the input code is not present is...

Страница 19: ...A computer read command via the VME interface is used to freeze the time in Capture Register Set 1 The address that is read to assert the freeze is at the board base address plus offset hex 40 The tim...

Страница 20: ...iming errors Accurate time is computed if only one satellite is tracked when the position information is known Due to buildings or other physical obstruction 4 or more satellites may not be in view wi...

Страница 21: ...chronized generator operations Several registers contain position Longitude Latitude and Elevation and GPS receiver operational status The user determines the physical address of the registers by addi...

Страница 22: ...illiseconds through thousands of years This bit will self clear after the preset has completed d External Start Enable Bit 4 enables the Generator External Start function This feature allows the user...

Страница 23: ...g edge b IRIG B Format Select Bit 3 is used when in the Code Sync Generator mode The VME SG GPS card is capable of using either IRIG B amplitude modulated code or IRIG B DC shift at RS 422 logic level...

Страница 24: ...and elevation is determined There are 4 modes available Each mode with the value representing it in the Position Mode registers is shown below Character MODE 0 Known 1 Survey 2 Automatic 3 Dynamic a K...

Страница 25: ...e specified in section one The Pulse Rate output can also generate VME interrupts For more information about the Rate Generation INT1 interrupt see section 2 4 10 Character RATE 0 Pulse Rate Disabled...

Страница 26: ...e 998 millisecond of the second Prior to the update at approximately 995 milliseconds the Position Update flag is set The flag will clear at zero milliseconds The user should not read the position inf...

Страница 27: ...ar maximum or minimum COINCIDENCE TIME COMPARE REGISTERS hex 00E0 00FE The VME SG GPS has two sets of coincidence time compare registers identified as 1 and 2 When the generator time is equal to the v...

Страница 28: ...us interrupting sources with priority and vector setup Label Description Hex Address Offset COMP1 1 Tens Units Microseconds 00E0 COMP1 2 Unit Msec Hundreds Microsec 00E2 COMP1 3 Hundreds Tens Millisec...

Страница 29: ...AC Interrupt Auto Clear Set bit 3 to clear the Interrupt Enable bit below during an interrupt acknowledge cycle responding to this request To enable the interrupt for further interrupts the IRE bit mu...

Страница 30: ...d by multiplying the vector byte by 4 since each vector table jump address occupies 4 bytes 2 4 11 VME SG GPS MEMORY MAP The following table describes the VME SG GPS memory map Each locations address...

Страница 31: ...5 56 60 0 5 56 60 00 0 m ma an n d do oc c 2 2 1 18 8 Rev F Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 32: ...Phase Locked 3 Reserved 4 Reserved 008E Gen Freeze Reg 2 Word 5 Thyears Hyears Tyears Uyears 0090 Latitude 0 Hund Tens Units degrees 0092 Latitude Tmin Umin Tsec Usec 0094 Latitude North South Tenths...

Страница 33: ...12 NU 13 NU 14 NU 15 NU 00A2 Configuration Reg 2 bits 0 NU 1 NU 2 Ext Event Fall Edge Active 3 Sync Gen IRIG B AM or DC 4 Position Update Inhibit 5 Position Load Request 6 Negate Interval Output 7 GPS...

Страница 34: ...00D2 GPS User Time Bias word1 00D4 GPS User Time Bias word2 00D6 Number Satellites Tracked 00D8 Reserved Registers 00DA 00DC 00DE Self Test 00E0 Coin Compare 1 Tusec Uusec 00E2 Umsec Husec 00E4 Hmsec...

Страница 35: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 36: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 37: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 38: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 39: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 40: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 41: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 42: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 43: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 44: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 45: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 46: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 47: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 48: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 49: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 50: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 51: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 52: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 53: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 54: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 55: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 56: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 57: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 58: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 59: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 60: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 61: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 62: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 63: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 64: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 65: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 66: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 67: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 68: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Страница 69: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

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