es-102 gps based time code generator / master clock
Contents
1. ISN 81 81 anezasest 30 YLAANNOI 30 90 IHL TIWLSNI 93 El 22 12 TIBISNI LON 00 30 NOILdO dbZbT 3H1 TIVLSNI 12 99 Sd 763 TWISNI LON 00 NOILdO 11910 9 08908 AYUIASIO 2120 53 O CUYOS 101 63 9 01 o oo 01 101 53 86 OL Page 19 50 16 80 N3Y 049089 101 53 0081 53 6821 A 8621 8124 6253 EZA x 2 5 3501 549 AUT AUTAA 8S SddT 02 8441 axa 23 S CON c 85 150 2 23 SS ADO oot bS bZ 2 2 ES 00 AU1335 2 1 88 23004 81 25 ar 1 8 22 ES 3 ant 82 16 230 130 Tla zd 24 Ole 2 525 24 Haz PT 8 58224 1124 a 57 18 924 L ad 21 8784 8784 s tl h Tala g E 84 E T Re 04 geil 10 09 a idir N gt 1 18 13004 Tea 2034 yz 3811 030112. z 2 eza ANd Sdd gt ezedu NI Sdd 1 21 sta NI 8180 840 140 180 312 BEE 221 6 914 825318 891 El 13848 r 18 b 57 b PT T tee ez Sar E ZHA 1 gt T E 8181 08 05 ns r e 505 17 42 farce se eza 81 LJ 08 la s3 aa ars x iP anv 39 08 19 p 122 922 S 100 3NIS 1 0l ant 6 22 EN 686979 21 33 4
3. ax 8 cele SY 295245 10 era ns 9 49 ng 6 4 08 3 1 0 2 8 858 83013234 549 4218 20 86 11 9 34 551 53 2081 53 e Lb 624 24 T 1 92 L 5 2 2 24 gdl Plaza seal 24 LIDIA 8 8 9 ZD b 8184 E Ed e 2 24 zed 2 Ted 4 8d 4214 leo 5 1 S 8d 8014 nat art 98 92 2 gg ed 1 4 15 4 gt Ez ed 119 Horas am E 13 29 152 a 1557 78928 8278 9 zz E 9 Page 21 NOILdO 2 1 0 037 N33uo ST 0 51 2 30 308714 NI Y3dWnc Y TIWLSNI 71 20 1190 1814 WAHL AUT 3808 30 01108 3H
4. DESCRIPTION EMI ANTENNA EMI ANTENNA CABLE PC BOARD FUSE RESISTOR DIODE TRANSISTOR RELAY TRANSFORMER PC BOARD M12 TIMING RECEIVER TRANSFORMER UL POWER PLUG M12 TIMING RECEIVER Page 14 PART NUMBER P6465 9 PIN MALE D SUB 9 PIN FEMALE D SUB 9 PIN D SUB HOOD BNC UG 1094 XLR 3 32 M ANTENNA FOR GPS GPS ANTENNA CABLE CLIP amp LENS FOR LED 1 2 FUSE HTA FUSE HOLDER 3 WIRE BUSHING 3 WIRE LINE CORD ES 102 PART NUMBER EMI ANTENNA EMI ANTENNA CABLE ES 1424P 2 AMP FUSE 2 2K 1 4 W 1N4003 PN2907 1A5A RELAY P8705 SSA5 6 3 230 ES 110M12 P283T12T12 AA 061A5 206 UL PWR PLUG 273 12 17 NOTE THIS EQUIPMENT HAS BEEN TESTED AND FOUND COMPLY WITH THE LIMITS FOR A CLASS DIGITAL DEVICE PURSUANT TO PART 15 OF THE FCC RULES THESE LIMITS ARE DESIGNED TO PROVIDE REASONABLE PROTECTION AGAINST HARMFUL INTERFERENCE WHEN THE EQUIPMENT IS OPERATED IN A COMMERCIAL ENVIRONMENT THIS EQUIPMENT GENERATES USES AND CAN RADIATE RADIO FREQUENCY ENERGY AND IF NOT INSTALLED AND USED IN ACCORDANCE WITH THE INSTRUCTION MANUAL MAY CAUSE HARMFUL INTERFERENCE TO RADIO COMMUNICATIONS OPERATION OF THIS EQUIPMENT IN A RESIDENTIAL AREA IS LIKELY TO CAUSE HARMFUL INTERFERENCE IN WHICH CASE THE USER WILL BE REQUIRED TO CORRECT THE INTERFERENCE AT HIS OWN EXPENSE IF COMPONENT REMOVAL IS REQUIRED WE RECOMMEND REMOVING ALL SOLDER USING A 35W OR SMALLER SOLDERING IRON AND SOLDER WICK TO PREVENT DAMAGE TO THE PRINTE
5. The ESE TC89 Time Code can be output in either 12 hour or 24 hour format This enables Remote Clocks to differ from the Master Turn ON the 24 HR DIP switch switch 4 on the ES 101 logic board for 24 hour operation Note Most ESE Serial Time Code Reader Clocks can be programmed for either 12 hour or 24 hour format regardless of the TC89 format To set the display for 12 hour format turn on DIP switch 4 on the ES USS display logic board DST Daylight Savings Time can automatically be compensated for if the end user desires Turning ON the DST DIP switch switch 6 on the ES 101 logic board enables the DST feature The DST adjustment is according to the standards used in the United States and switches at 2 00 AM Foreign DST standards are available on a custom basis The date information encoded into the SMPTE time code is typically set to include Month Day Year information Turning ON the DOY switch switch 5 the ES 101 logic board reformats the data to contain Day of Year 001 366 instead of Month Day Year OPTIONS of the ES 102 provides access to all Optional inputs and outputs via various connectors BNC amp DB 9 Please refer to the Rear Panel DB 9 Connector Pin Designations and Specifications for more details Time Codes B Frequency Out K Option B provides a parallel BCD Output of the time data The data is CMOS compatible and contains 20 Data Lines 10
6. Figure 3 7 ANTENNA MOUNTING INSTRUCTIONS Refer to Figure 1 on Page 6 and perform the following steps to install the Direct Mount Antenna 1 Note Locate a spot that allows the Antenna a view of the sky and where the antenna can be mounted according to the instructions that follow Note It is advised to test the Antenna at the location where it is to be mounted prior to mounting and drilling holes to verify proper operation Two 1 8 holes on the mounting plate are used to mount the antenna Two 4 screws can be used to secure the mounting plate If using plastic anchors drill two holes of the appropriate diameter and depth using the template provided on page 6 through the deck plane where you are mounting the antenna Press into each hole a plastic anchor until the top of the anchor is flush with the deck plane Drill a 5 8 hole for the antenna connector cable slightly below where the antenna is to be mounted Route the antenna connector cable through the 5 8 hole and then fasten the Antenna to the deck plane using two 2 4 screws Connect the antenna connector cable to the Antenna connector on the rear panel of the ES 102 Master Clock Fill the hole through which the antenna connector cable was routed with an all weather caulking compound If desired the Antenna can be magnet mounted to any steel or other appropriate surface The mounting plate should be removed from the Antenna The magnet is mounted t
7. 4 W 27 OHM 1 4W 47 OHM 1 4W 100 OHM 1 4 W 330 OHM 1 4 W 390 OHM 1 4 W 510 OHM 1 4 W 1K 1 4 W 10K 1 4 W 10 MEGOHM 1 4 W 1K OHM mini pot 47pf 50 Cer 014 50v Cer Z uf 50v Cer Z 4 7uF POLY FILM 100V 104 16v LLR El 1000uf 16v REI 5 30 PF TRIMM 5MM V Green LED T 1 3 4 1N4740 3 3 uH INDUCTOR 8 PIN DIP SOCKET 14 PIN DIP SOCKET 16 PIN DIP SOCKET 40 PIN DIP SOCKET ES 110M12 PART NUMBER CLIP amp LENS FOR LED BNC UG 1094 IF COMPONENT REMOVAL IS REQUIRED WE RECOMMEND REMOVING ALL SOLDER USING A 35W OR SMALLER SOLDERING IRON AND SOLDER WICK TO PREVENT DAMAGE THE PRINTED CIRCUIT BOARD ALL INFORMATION CONTAINED IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE Page 17 50 16 80 4808 101 53 201 53 1 1 4118116464 2 83013234 ONIWIL 014 11915 1 81116424 83013034 21H TIBISNI JON 00 59 Sb 1140 2 830130384 ONIWIL 274 3HL TWLSNI CSINZTLEZSd 2 830132384 ZTW JHL 11815 1 LON 00 3 NOILdO Pesta ZTH TOT S3 lt gt 413 68 13 2E6ZW1 112 3722 211101 825928 3005 OND 590 62 812 Nuez80i 817 R 03408 LyYEZTH S3 ONU CSINZTLELSd NW Y3NIIOIS ZTH ayoa ssn E 01 Page 18 50 2 0 NY gavod 55 53 001 583 OL HOY JAIM Y LIANNOI 01 6 80 40 6 NId 1 3 0 01 6 80 30 103 0 anezasest 3SN LNdNI 56 81
8. age their signal strength may decrease and today s cable length could cause undesirable results at a later date The ESE factory conducted several tests which demonstrate how the ES 102 s Antenna can be expected to operate for given sets of circumstances All tests were conducted at ESE in El Segundo CA in 1998 and due to the architecture of the GPS Satellite Constellation can be considered applicable most anywhere in the world Test 1 The first test shows that up to 112 of RG 58 cable can be added to the 16 5 without any significant loss in signal Adding 125 impaired the clock s performance Test 2 When using a single LA 12F in line amplifier with 150 of RG 58 cable in addition to the 16 5 supplied the clock would lock on a nominal amount of time Adding 175 impaired the clock s performance Test 3 Using an ES AB1A power divider and two 2 LA 12F with 100 of RG 58 cable attached to each 216 5 total permitted the clock to lock on a nominal amount of time Adding a third LA 12F with 75 of RG 58 cable did not impair the clock s performance however increasing the 75 to 100 did impair the clock s performance Test 4 Using an ES AB1A power divider and four 4 LA 12F with 75 of RG 58 cable attached to each 316 5 total permitted the clock to lock on in a nominal amount of time Adding a fifth LA 12F with 25 of RG 58 cable also permitted the clock to lock on in a nominal amo
9. s Hours thru Seconds and Ground Applications requiring Parallel BCD require an ES 169B Serial To Parallel Time Code Converter to be ordered separately puts Option K provides a 1 KHz square wave a 10 MHz sine wave and a phase coherent 1 PPS output The 1 PPS output has a 50 duty cycle and replaces the standard 50 duty cycle 1 PPS output The 1 KHz and 10 MHz outputs are accessible on BNC connectors The sine wave is 4 Vpp into 50 ohms Potentiometer R6 allows the output level of the sine wave to be adjusted by 0 5 volts The square wave is 5 Vpp A front panel 10 MHz Lock LED is provided This LED lights solid to indicate that the unit has locked to GPS and the outputs are within specifications The 1 PPS output is phase coherent when the 10 MHz Lock LED lights solid The LED blinks if GPS lock has been obtained but the outputs are out of specifications If lock has not been obtained the LED does not light Option 45115 is required The Option K system functions independently from the rest of the clock although it receives its input from the same GPS receiver as the clock system When first powered up the receiver searches for satellites When it locks on to at least one the GPS Lock LED indicates a locked condition by lighting solidly The 10 MHz Lock LED begins flashing after a delay of about 40 seconds The flashing of this LED indicates that the GPS receiver is locked and that the 10 MHz system is in the
10. 142 SIERRA ST EL SEGUNDO 90245 USA 310 322 2136 310 322 8127 www ESE WEB com ES 102 GPS BASED TIME CODE GENERATOR MASTER CLOCK OPERATION AND MAINTENANCE MANUAL The ES 102 is a GPS Master Clock Time Code Generator The unit receives accurate time and date information from Global Positioning System satellites and supplies this data to the user in the form of four 4 different types of time code SMPTE EBU ASCII TC89 and TC90 and a front panel six digit display 56 yellow LEDs Two 2 One Pulse Per Second outputs and a GPS Lock output are also available twelve channel receiver is employed that is capable of tracking up to twelve 12 satellites simultaneously although reception of only one 5 required for time data to be output Several options are available that allow the unit to meet most any requirement asked from a Master Clock or Time Code Generator These options are described in the OPTIONS section INSTALLATION amp OPERATION The basic installation of the ES 102 is nearly as simple as connecting the Antenna Cable and 117 VAC to the unit and allowing the unit to lock onto GPS However after any bench testing is complete the most important concern is to mount the Antenna and route the cable according to the instructions provided on page 7 All other connections between the ES 102 and other equipment should be made by a qualified technician or engineer The technician or engineer sho
11. 50 feet ESE s test results may indicate that longer lengths of cable may be used We are not inferring that the longer cable lengths should be used We are only reporting the results of our tests and repeat the caution mentioned earlier Caution is recommended as the GPS Satellites age their signal strength may decrease and excessive cable length may cause undesirable results Application Note 2 All ESE tests were conducted using RG 58 coax cable According to several manufacturers of low loss cable the signal loss attributable to cable length can be reduced with the use of low loss cable According to the RG 8 and RG 213 cable specifications when compared to RG 58 cable lengths may be doubled or more with equal to or better than results Application Note 3 Once an ES 102 has Locked on the receiver creates a semi permanent Library of where it expects to see a satellite s at a specific point in time However if after Locking on the unit is relocated for instance from the ESE factory in California to an end user s site in Europe the unit s 1 PPS and other outputs accuracy may appear erratic for up to three hours When the receiver has created an updated Library all outputs will then comply with the specifications discussed in this manual Page 11 MASTER CLOCK SOFTWARE Program Descriptions The ES 102 is shipped with a CD that contains several Setup Programs Some of those programs are discussed below Al
12. D CIRCUIT BOARD ALL INFORMATION CONTAINED IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE DESIGNATION 26 25 21 22 X1 R23 R29 R30 R2 R1 C12 C13 C5 C7 C8 C14 C6 1 4 D1 D2 D3 Q1 pp a qa oo DESIGNATION 2 1 2 DESIGNATION 1 DC 1 DC BBU 12 18 V 1 DC BBU 18 35 V ES 102 PARTS LIST CONTINUED ES USS PCB COMPONENTS DESCRIPTION INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT CRYSTAL RESISTOR RESISTOR RESISTOR RESISTOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR ELECTROLYTIC CAPACITOR ELECTROLYTIC CAPACITOR ELECTROLYTIC CAPACITOR DIODE DIODE TRANSISTOR HEAT SINK 8 POSITION DIP SWITCH SOCKET SOCKET SOCKET BRACKET LTD 6840Y PCB PCB CHASSIS COMPONENTS DESCRIPTION TRANSFORMER OPTIONAL COMPONENTS DESCRIPTION DC DC CONVERTER DC DC CONVERTER DC DC CONVERTER Page 15 PART NUMBER UCN5841A UCN5895A 7805 P87C51SBPN USS1 11 0592MHZ 47 OHM 1 4W 68 OHM 1 4 W 51K 1 4 W 120K 1 4 W 10pf 50 Cer 25pf 50v Cer K Auf 50v Cer 2 4 7uf 10v 1044 16v LLR EIl 3300 UF 25V 1N4003 1N4148 or 1N914 PN2222 300 TO220 HEAT SINK 8 POS DIP SWITCH 16 PIN DIP SOCKET 18 PIN DIP SOCKET 40 PIN DIP SOCKET 616 L BRACKET LED DISPLAY ES USS ES UCT2 DISPLAY PART NUMBER P6465 PART NUMBER 1505D20UR 0 2804 150502008 IF COMPONENT REMOVAL
13. IS REQUIRED WE RECOMMEND REMOVING ALL SOLDER USING 35W OR SMALLER SOLDERING IRON AND SOLDER WICK TO PREVENT DAMAGE TO THE PRINTED CIRCUIT BOARD ALL INFORMATION CONTAINED IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE DESIGNATION 21 22 23 24 25 27 212 213 214 216 217 26 R21 R12 R13 R27 R2 R17 R22 R5 R7 R4 R16 R8 R14 R18 R20 R15 R6 C21 C15 C1 C8 C14 C28 C22 C23 C29 C2 C20 D2 D3 L1 ee 010 ek sU IN ad py QTY DESIGNATION 1 2 OPTION K PARTS LIST PCB COMPONENTS DESCRIPTION INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT OSCILLATOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR POTENTIOMETER CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR POLY FILM CAPACITOR ELECTROLYTIC CAPACITOR ELECTROLYTIC CAPACITOR VARIABLE CAPACITOR LED DIODE INDUCTOR SOCKET SOCKET SOCKET SOCKET PCB CHASSIS COMPONENTS DESCRIPTION CLIP amp LENS FOR LED CONNECTOR Page 16 PART NUMBER 4503 DS87C520MCL 110M12K 74HCT4053 PHIL 74HC4046 74HCT93 NO LS 74HC161 74HC14 CLC 409AJP LMV7219 AD823AN 20 0 MHz OSCILLATOR 10 OHM 1
14. L NO 622 ONY 222 22 TIWLSNI 840 116 83 ONY 21 0581 53 3HL 404 72 1814 683 AUT 849 116 53 ONY 21 8881 53 3HL 304 1 S310N ZTWOTT S3 1791292 82 4017 430 150 O TSTSHbL 112 05 74 5 AZTHOT 1 075348 22 9 7113 ANL b O T 492 gt 22 NId 371889 02 INIH 350 NId 531439 2 lt 31882 INIH 3SN NId H31N35 Page 22 48 50 982 10 NOILdO 810 ESA 228 612207 T T 8 8 8 s 2 2 4 8 8 8 6 8 6 80 lt 100 844 812 E 81 at 81 DE az 12 orz 6 a 82 51 2 5 3 ara s 2 aras TT Z Stat 5 E 614 OH ANT 212 119 E O 207046 08 08 05 ala
15. STOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR CERAMIC CAPACITOR CERAMIC CAPACITOR CERAMIC CAPACITOR TANTALUM CAPACITOR ELECTROLYTIC CAPACITOR TRANSFORMER GREEN LED M12 RECEIVER 2X5 HEADER 2X5 BOARD STACKER BATTERY 8 POSITION DIP SWITCH 8 PIN DIP SOCKET 20 PIN DIP SOCKET 40 PIN DIP SOCKET PCB PCB Page 13 PART NUMBER 4053 PHILIPS 4503 74HCT244 LM1881N 233CPP ADM233LJM AD823AN DS87C520MCL 101M12 LM2937ET 3 3 32 0 MHZ VCTCXO 27 OHM 1 4W 75 OHM 1 2 W 330 OHM 1 4 W 510 OHM 1 4 W 1 8K 1 4W 2 7K 1 4 W 4 7K 1 4 W 10K 1 4 W 120K 1 4 W 470K 1 4 W 680K 1 4 W 1 MEGOHM 1 4 W 2 2 MEGOHM 1 4W 1K OHM mini pot 50K OHM mini pot 47pf 50 Cer 002uf 50v Cer Z uf 50v Cer Z 22uF TANTALUM 100uf 25v 429 7216 Green LED T 1 3 4 P273T12N15 SFMC 105 01 S D FW 05 04 L D 200 156 658 BR2330 1HE 8 POS DIP SWITCH 8 PIN DIP SOCKET 20 PIN DIP SOCKET 40 PIN DIP SOCKET ES M12BAT ES 101 M12 DESIGNATION T1 F1 QQ DESIGNATION ANT ANT BBU DC R19 HR D3 HR Q1 HR K1 HR J 01 01 45 5 ES 102 PARTS LIST CONTINUED CHASSIS COMPONENTS DESCRIPTION TRANSFORMER D SUB CONNECTOR D SUB CONNECTOR D SUB HOOD XLR ANTENNA GPS ANTENNA CABLE CLIP AND LENS FUSE FUSE HOLDER 3 WIRE BUSHING LINE CORD CASE AND HARDWARE OPTIONAL COMPONENTS
16. adjustable from 0 22215 feet Determine which COM port you have available and use GPSCBL1 EXE for COM1 and GPSCBL2 EXE for COM2 To compensate the unit for 200 feet using COM1 for example type GPSCBL1 200 then hit the ENTER key NOTE All of these settings are remembered by the ES 102 even if powered down with the battery off GPSTIME EXE This DOS program is used to set the Time and Date of the unit in the absence of a satellite signal Page 12 1 LNdLNO OOO ZHNOL L 319019 YALSVIN 649 201 53 1 LAdLNO DES 0621 6821 Sdd 12262 59 1 ayy O 3901 3901 549 ZHIN 01 5 19079 YALSVIN 549 2001 53 3 31 O O 3503 i DESIGNATION 29 28 27 25 26 210 23 211 24 R14 R18 R1 R20 R3 R4 R22 R21 R23 R25 R10 R11 R9 R8 R7 R2 R6 R5 R24 R12 C16 C15 C7 C12 C17 C18 C13 C14 T2 D4 ES 102 PARTS LIST ES 101 M12 PCB COMPONENTS DESCRIPTION INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT INTEGRATED CIRCUIT RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESISTOR RESI
17. ay POWER 117 VAC 50 60 Hz 15 Watts typical MECHANICAL Rack Mount Enclosure 1 75 x 19 W x 9 5 D plus connectors OPTION 10 MHz Sine wave BNC 4 Vpp into 50 ohms adjustable 0 5V 1 KHz Square wave BNC 5 Vpp CMOS TTL 1 PPS 50 duty cycle DB 9 pin 5 5 CMOS TTL lt 2 uS of GPS when 10 MHz lock LED is solid REAR PANEL DB 9 CONNECTOR PIN DESIGNATIONS Pin Function 1 12 VDC 36 VDC Input option DC only 2 RS 232 TXD 3 RS 232 RXD 4 1 PPS 20 duty 5 1 PPS 50 duty 6 Relay Hr opt 7 Relay Hr opt 8 GPS Lock 9 Ground DIP SWITCH SETTINGS ES 101 Logic Board ES USS Logic Board Display Logic Board Switch Function if switch is Switch Function if switch is 1 Mode see table below 1 Date 2 Mode see table below 2 Not Used 3 Relay Closure on the Hour only 3 Not Used 4 TC89 24HR output 4 12 Hour Format 5 DOY output 5 9 Digit Display 6 Daylight Savings On 6 Not Used 7 Non Drop Frame 7 Not Used 8 Not Used 8 Not Used ES 101 Logic Board Mode Switches Mode Switch 1 Switch 2 IRIG B OFF OFF IRIG E OFF ON SMPTE ON OFF EBU ON ON 6 TEMPLATE FOR ANTENNA MOUNTING PLATE Figure 1 Note The Antenna Mounting Plate can also be used as a Template ANTENNA With LA 12F And 150 Of EXTRA CABLE RG 58 GPS Antenna 16757 150 RG 58 Figure 2 ANTENNA With 5 LA 12FN And 500 Of EXTRA CABLE RG 8 With ES AB1A GPS Antenna LA 12FN LA 12FN
18. closure The ES 102 is housed in a rack mount enclosure that measures 1 75 high x 19 wide x 9 5 deep plus connectors The ruggedized enclosure is constructed of etched and clear anodized aluminum SETUP FEATURES Several features of the ES 102 are factory set according to information supplied by the end user or according to factory standards All Setup Features are selected via DIP switches except Time Zone Time Delay Advance Cable Delay All Setup Features are discussed below Time Zone The ES 102 receives GPS time and date information which has been encoded and set to UTC Universal Coordinated Time Greenwich Mean Time The unit must be set at the factory to decode and output time for the end user s time zone Or by using the software supplied with the ES 102 the time zone can be changed in the field This is accomplished by connecting the RS 232C input to a computer serial port and running the ESEGPS Windows or GPSINI EXE DOS programs Running GPSINI EXE without command line switches will print the instructions on screen Run the GPSINI EXE program again using the appropriate command line parameters Please connect ONLY the 2 data lines amp the ground line to the computer the DB 9 connector also provides access 12 24 DST Date The rear panel Page 3 to unrelated functions which should not be connected to the computer Software is also available from the ESE Web Site at http www ESE WEB com
19. d with the antenna Both RG 8 RG 213 are expensive relative to RG 58 and are cumbersome to work with due to their larger diameter Method 2 in line amplifier The use of an in line amplifier such as the LA 12F manufactured by Raven and available from ESE may be more convenient than low loss cable Installing one of these amps may allow up to 150 of RG 58 or 300 of RG 8 RG 213 to be added to the 16 5 supplied The LA 12FN has N connectors which allow for convenient interconnections with RG 8 and RG 213 cable See Figure 2 on page 6 Method 3 in line amplifiers with power divider Due to the power limitations of the ES 102 s receiver and antenna only one in line amplifier can be used However if a power divider such as the 5 is used up to five 5 in line amplifiers be added The more amplifiers used the shorter the cable run between amps See Figure 3 on page 6 Page 9 ESE TEST RESULTS The methods mentioned above are conclusions based upon actual tests performed by ESE and on information provided by various manufacturers The performance of your unit may differ due to antenna position and obstructions to its line of sight weather atmospheric conditions cable length or signal reflections Listed below are the best consistent and repeatable performances That is they were repeatable performances on a consistent basis not just fluke observations Caution is recommended as the GPS Satellites
20. ed at 10 watts maximum resistive load 500mA switching current and is intended for control applications only Relay contacts are accessible on the DB 9 connector A high performance antenna for challenging EMI environments is provided with this option Nineteen feet of cable is supplied with the antenna The ES 102 can be ordered with built in Battery Back Up Charger System Option P is required The battery is capable of maintaining the time code outputs during a power outage for up to 4 hours Displays if ordered are blank during a power outage If continuous displays during power outages are required a UPS Uninterruptable Power Supply is suggested Note Turn off the battery during shipment or any extended periods of time without main power The ES 102 can be ordered from the factory to operate exclusively from a DC source The voltage applied must be in the range from 12 VDC to 36 VDC A 2 amp fuse is provided The standard ES 102 is intended to operate from 117 VAC 50 60 Hz If 220 VAC operation is required Option J must be specified When Option UL is specified the unit s power transformer is external to the unit ie a wall wart type UL CSA approved transformer is supplied This option allows the ES 102 to be installed in facilities requiring UL or equivalent approved equipment The ES 102 can be ordered with improved accuracy When so specified the unit delivers a 1PPS accuracy of lt 45nS Also w
21. file MCDOS EXE should be placed either in the root directory or where the current PATH can find it The program by default is set to use COM1 To set it to a different COM port add the port number to the command line MCDOS 2 The MCDOS EXE program may also be invoked from the DOS prompt to set the time whenever desired If you are using the optional serial port command described above you can make running the program easier by creating a batch file to run the program COPY CON T BAT lt enter gt MCDOS 2 lt enter gt F6 the function key lt enter gt Now just typing T lt enter gt will set the time GPSINI EXE This DOS program 5 used to initialize the Time Zone Time Delay and Cable Delay Compensation values The Time Delay factor is set to zero and the Cable Compensation is set for 19 feet Running the program will print full instructions on screen for setting the time zone GPSHIFT x EXE These DOS programs are used set the ES 102 to provide an advanced or delayed time output This can be useful in TV network situations to compensate for video satellite delays The time is adjustable from 0 to 400 milliseconds in increments of 1 millisecond Determine which COM port you have available and use GPSHIFT1 EXE for COM1 and GPSHIFT2 EXE for COM2 To set a 1 4 second delay using COM1 for example type GPSHIFT1 250 then hit the ENTER key GPSCBL x EXE These DOS programs are used to compensate for antenna cable delay
22. hen the 451 option is specified two 2 additional Setup Features are available and are described below Time Delay This program allows the ES 102 to provide an advanced or delayed time output Time can be adjusted 400mS Refer to the readme txt file on the provided CD for more details Cable Delay This program allows the ES 102 to compensate for antenna cable delay adjustable for 0 22 215 feet Refer to the readme txt file on the provided CD for more details GPS RECEIVER 1 PPS OUTPUTS ESE TC OUTPUT SMPTE EBU TC OUTPUT RS 232C OUTPUT RS 232C FORMAT Page 5 SPECIFICATIONS Motorola 12 channel DB 9 connector TTL outputs positive edge true 1 20 duty output lt 500nS accuracy directly from receiver 2 50 duty output lt 1mS accuracy regenerated BNC drives 100 readers 4000 cable maximum TC89 drives non A version Readers TC90 drives Date Readers and or A version Readers XLR 600Q balanced or unbalanced DB 9 connector ASCII Date amp Time sent once per second ESE Format A ASCII 9600 Baud 8 Data No Parity 1 Stop MM DD YY lt SPACE gt lt SPACE gt DDD HH MM SS lt CR gt Transmission is once per second and ends 7 mS before Time True VIDEO INPUT BNC RS 170 composite video blackburst 1 VPP 750 ACCURACY 1PPS lt 50015 ESE 17 5 SMPTE EBU 0 frames with respect to video sync 400 mS if free running due to Drop Frame compensation DRIFT 33mS D
23. ined directly from the receiver The 50 duty signal is regenerated by the timekeeping microprocessor this signal is isolated from dropouts due to signal loss and should be used for long term timekeeping purposes Both signals are positive edge true The 1PPS can be used for synchronization purposes in a variety of applications One such application allows the 1PPS to drive an Impulse Driver ES 165 or ES 162A which in turn can drive Analog Impulse Clocks ES 168 or 5 1625 Battery The ES 102 has a lithium coin cell battery that maintains certain receiver configuration settings during power outages storage or shipment The battery is capable of maintaining these settings for up to four years All outputs however are suspended during a power outage If continuous outputs during power outages are required a UPS Uninterruptable Power Supply is suggested Option BBU is available and is capable of maintaining power to all outputs during a power outage for up to four hours Antenna An active GPS Antenna 1 575 GHz with 16 5 cable is supplied with the ES 102 and connects to the unit via a TNC connector ESE has conducted a series of tests with the purpose of determining a maximum cable length with or without amplification A summary of the tests and the alternatives are discussed on page 8 Proper installation of the antenna module is imperative for proper operation and continued life of the antenna and clock See page 7 En
24. l programs are described in the Readme file It is suggested that one refer to the Readme file as it may contain updates issued after this manual was published This software is also available from our web site at www ESE WEB com The DOS programs described below do not need to be used if the Windows programs are used For Win 3 1 use the 16 Bit programs For Win 95 98 ME NT 2000 use the 32 Bit programs The DOS programs are in the form of separate command line utilities For the Windows versions run the Setup exe program After the Install Wizard runs a shortcut to the executable file will appear in your Start Menu ESEGPS This Windows program synchronizes the computer system time to the Master Clock time and provides a control panel for adjusting various Master Clock functions This program may be used to reinitialize the receiver if necessary This program opens as a watch icon in the System Tray Click on this icon to open the Control Panel applet MASTER32 This Windows program works with the ASCII time output Format A 0 or 1 lt synchronizes the computer system time to the Master Clock time This program opens as a watch icon in the System Tray Click on this icon to open the Control Panel applet MCDOS EXE This DOS program will set the System Time and Date of a PC Compatible computer from an ES 102 GPS Master Clock when the machine is booted up The line MCDOS should be added to your AUTOEXEC BAT file The
25. ntroller UART input allowing the system to know if the receiver is locked to satellites The microcontroller also monitors an output from the phase detector chip to determine the amount of phase difference between the GPS and the internally divided 1Hz If it is greater than approximately 40 milliseconds the microcontroller gear shifts the counter chain fast or slow to bring the relative phase to under 40 mS This procedure is performed during initial lock on or if reception of satellites is lost for a significant time and enough drift occurs After rough phase adjustment is performed the oscillator frequency remains either fast or slow by about 100 200 Hz until the local 1 Hz arrives in Miscellaneous ANT BBU DC UL 451 4 phase with the GPS 1 Hz This typically takes up to 1 hour During this time the 10 MHz Lock LED flashes The frequency then stabilizes at the center frequency of 20 MHz it is divided by 2 for the output After stabilization the 10 MHz Lock LED lights solidly The 10 MHz output is filtered to a sine wave and buffered by 214 The microcontroller generates the 1 KHz signal which is buffered by 21 Option Hr provides a relay contact closure on the Hour and on the Half Hour An internal DIP switch switch 3 on the ES 101 logic board can be turned ON if a closure on the Hour ONLY is required Hr amp 1 2 Hr is supplied unless otherwise specified The reed relay is rat
26. o the Antenna 8 ANTENNA CABLE TESTS amp ALTERNATIVES The antenna supplied with the ES 102 is designed to provide excellent reception under a variety of conditions For best results the top of the antenna should have at least a partial view unobstructed line of sight of the sky However the view of the sky may be through a window and the antenna may be mounted indoors if the roof or upper floors do not shield the signal Bench testing is recommended before the permanent location for the antenna is decided One of the main concerns when using a GPS receiver Master Clock is the distance between the antenna and the receiver The ES 102 Antenna is supplied with 16 5 of RG 58 coax cable which can be connected directly to the clock If more cable is required an in line amplifier may be required When extra cable is required several options exist The most simple and least expensive methods are discussed below It is however the ultimate responsibility of the end user to decide which method will best satisfy the specific situation Please feel free to contact the ESE factory for assistance Also please read the section below which discusses the tests performed at ESE CABLING SUGGESTIONS ALTERNATIVES Method 1 low loss cable Several types of low loss coax cable are available including RG 8 and RG 213 Using any of these types of cable allow up to 300 of additional cable to be added to the 16 5 supplie
27. process of adjusting the frequency of the 10 MHz output This process may take up to 1 hour During this time the frequency if measured may indicate 100 200 Hz off This is normal during the locking process While the 10 MHz Lock LED is flashing the output should not be used as a reference When this LED lights solidly the output is within tolerance The ES 110M12 PCB generates the Option outputs 10 MHz amp 1 KHz The PCB receives 1 Hz and satellite data from the GPS receiver on the main PCB 12v amp 5v power is also supplied to the 110 12 board The system consists of a TCXO temperature compensated crystal oscillator counter chain phase detector loop filter and supervisory microcontroller 22 The 20 MHz oscillator is divided by the counter chain Z7 Z12 amp part of 25 down to 1 Hz The phase detector chip 74 receives this signal and the 1 Hz signal from the GPS receiver 24 produces an output which is fed to the loop filter consisting of analog switch Z3 resistors R15 R17 capacitors C22 C23 and op amp Z17 The analog switch allows the microcontroller to control the time constant of the filter and also disable the loop during periods of non reception of satellites The filtered control voltage is fed to the frequency control input of the TCXO This functions as a phase locked loop controlling the frequency and phase of the oscillator from the GPS reference 1 Hz The satellite data from the GPS is fed to the microco
28. r The EBU time code automatically re synched to GPS at 2 00 00 EBU European Broadcasting Union is used predominantly in Europe the TV Cable and Video industries SMPTE The ES 102 can have a SMPTE Time Code output specified The SMPTE Time Code Output is accessible via an XLR connector Accuracy of the SMPTE is 400 mS and can be synchronized to a video source via the Video In BNC connector The SMPTE time code is automatically re synched to GPS at 2 00 00 AM SMPTE Society of Motion Picture and Television Engineers is used predominantly in the TV Cable and Video industries The SMPTE User Bits are from high to low as follows 10Y X Y X 10M 10D M D X When Julian Day of Year is used the SMPTE User Bits are as follows X X X X X 100D 10D D Drop Frame Unless otherwise specified the unit is set to provide Drop Frame SMPTE Time Code If non Drop Frame SMPTE is desired turn ON the NDF DIP switch switch 7 on the ES 101 logic board Page 1 of 22 Page 2 Date The date information encoded into the user bits of the SMPTE time code is typically set to include Month Day Year information Turning ON the DOY DIP switch switch 5 on the ES 101 logic board reformats the data to contain Day of Year 001 366 instead of Month Day Year ESE Time Code The most efficient and cost effective method for time code distribution in a Master Clock Remote Clock System employs the ESE Time Code o
29. uld be familiar with each piece of equipment being interfaced with the ES 102 Please refer to the descriptions and specifications for details concerning the various Standard Features Setup Features and Options Consult the manufacturer of the equipment or the ESE factory if assistance is required A lithium coin cell battery maintains the settings of the GPS receiver during periods without power The battery 5 capable of maintaining the settings for up to four years If the receiver needs re initialization refer to the master clock software program descriptions on page 11 STANDARD FEATURES Power Supply The ES 102 is equipped with an internal Power Supply The Power Supply requires 117 VAC via the 3 wire line cord Display The front panel contains a single green LED that indicates if the unit is Locked to GPS When locked to GPS the LED remains lit Prior to lock or when lock is lost the LED blinks at a 1 Hz rate The ES 102 also has a six digit 56 high yellow LED display Outputs The rear panel of the ES 102 provides access to the time codes 1PPS and GPS Lock outputs via XLR BNC and DB 9 connectors Please refer to the Rear Panel DB 9 Connector Pin Designations and Specifications for more details EBU The ES 102 can have an EBU Time Code output specified The EBU Time Code Output is accessible via an XLR connector Accuracy of the EBU is 400 mS and can be synchronized to a video source via the Video In connecto
30. unt of time Increasing the 25 to 50 impaired the clock s performance All of the tests mentioned above were conducted twice first with the antenna indoors and second with the antenna outdoors Indoors refers to the ESE factory which is a single story building with a wood ceiling and asphalt composite roofing And outdoors the antenna had a very narrow look at the sky with approximately six feet of clearing between one story buildings In all cases the ES 102 Locked on within fifteen minutes and in less time when the antenna was outside Locked on refers to starting the clock from a completely powered down mode and the ESE Time Code output catching real time with the GPS Lock LED lit Various tests conducted away from the factory show that the exact unit which took five minutes to lock on at the factory may take up to 45 minutes at a different location Possible explanations for this phenomenon lead us to believe that atmospheric conditions or poor antenna locations may be responsible Page 10 APPLICATION NOTES Application Note 1 ESE has noticed that the manufacturers cable length specifications for the Motorola GPS Receiver and the Raven LA 12F differ from the test results of ESE Please be aware that Motorola specs the maximum cable distance between the antenna and the receiver is 16 5 5 meters without amplification Also please be aware that Raven specs the maximum RG 58 cable that the LA 12F can drive is
31. utput ESE Time Code is capable of driving up to 100 remote displays at a distance of up to 4000 feet Connections between the ES 102 ESE Time Code Output and any ESE Time Code Reader can be made using twisted pair wire or coax cable such as RG 58 or RG 59 The accuracy is 17mS of UTC and the time code is accessible on two separate BNC connectors TC89 amp 90 TC89 is an older version of ESE Time Code and should be used to drive older ESE Time Code Readers non A versions TC90 contains Date information as well as time data and should be used if Date is to be displayed on the Reader RS 232C RS 232C ASCII Time Code is used to interface with a PC or other computer system The ASCII transmission contains date and time data and is transmitted once per second The data is accessible on the DB 9 connector Windows and DOS software included with the unit enables the ES 102 to continuously update a computer s clock Software is also available from the ESE Web Site at http www ESE WEB com GPS Lock Access to a TTL output of GPS Lock information is accessible on the DB 9 connector When locked the signal goes to a logic 1 1PPS The most accurate time information available from the ES 102 is that provided by the 1PPS Output one pulse per second Two 2 outputs are provided a 20 duty signal specified as being within 500ns of UTC and a 50 duty signal which is within 1mS of UTC The 20 duty signal is obta
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