TrueTime VME-SG2 560-5608, Manual

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Page 70: ...Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 71: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...