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Racal Option 01 Smart Card Manual

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3. 2 5 Local BUS dd 2 6 LBUS Lockout 2 7 Switching Module Chassis 2 9 Chapter 3 OPERATION eau eee eee 3 1 3 1 3 1 ts 3 1 1260 01 Device Dependant Command 3 3 hot nee net 3 3 CNE nen Geek Gann Geek sR 3 3 DIE 3 3 3 4 COU 3 5 AG Ana 3 6 OBEN SS 3 6 ES 3 8 3 10 PURRCES AA SESSA E 3 11 READ Se 3 11 RECALL aw nus Gaus 2201 3 11 1260 Series User Manual CSO 3 11
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5. 2 lt 654 1894 15999 lt S a3 387671 97604 AY Drawings 5 47 1260 Series User Manual This page was left intentionally blank Drawings 5 48 1260 Series User Manual Chapter 6 Parts Lists 401951 401951 003 401901 401901 001 401901 005 PCB Assy L Bus 4 6 2 PCB Assy L Bus Jumper 3 6 2 PCB Assy 1260 Master 6 3 PCB Assy 1260 Master 6 5 PCB Assy 1260 Master 6 7 ELISEO 6 9 5 11515 6 1 401951 55 LBUS JUMPER REV E 1260 Series User Manual REF RACAL INST DESIG P N DESCRIPTION 1 000221 RES CARBON 220 OHM 1 4W 5 131 411951 L BUS JUMPER UNLOADED 1 3 2 601858 032 CONNECTOR PLUG 32 PIN 401951 003 ASSY BUS GRANT JUMPER 181349 121793 152072 RCO7GF2207 411951 CAS32MPF1B REF RACAL INST DESIG P N DESCRIPTION 11 411951 L BUS JUMPER UNLOADED 1 3 2 601858 032 CONNECTOR PLUG 32 553 500204 WIRE TEFLON SOLID 28 GA WHT Parts Lists 6 2 21793 52072 04946 411951 532
6. BI LEN 1 9 51 3 5 510000 0 412345 51 3 3000 ONY 54011 21412345 HOBL OLNI NOLLYHOdHOONI HOS ONY 53509009 804 0350 ANO AWA ONY 6 3 3 03401330 939 SVH NOILYWHOJNI ONT 51 15 WOVE AG 303 0357 328005 111134 02 5 011 1000 1191705 01 0357 1494 NI 035012510 80 0361 51 081581 Towed 1551 34 31115 55384 X3 LON 7 5 ONY ONT SINGH 0815 1 AWowd 01 0350713510 1 ONY 14341000 351404 131 40 S30 LS3HOTH SNOZILOISNNOD 21 SNOILSSNNOD ON ON 25850 rest Drawings 5 35 1260 Series User Manual i DOCUMENT 2 SIZE CODE IDENT a wem N a an u a 5
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8. 3 12 a E 3 12 211 12 51 25 3 13 Sates 3 14 STORE Gate 3 15 SA AN 3 16 3 16 rh iliac rival ca shrew nah 3 17 3 17 4 THEORY OF OPERA ates ASA 4 1 ee AA AR 4 1 Functional BIOGKS 4 1 Aon ed 4 3 Power S pplier S e 4 3 Microprocessor BIOCK 4 3 TRE Reset 4 4 mA in 4 5 E 4 6 5 DRAWING asas e e
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10. 1 231 ONY 14347200 SIHI SSILON 1318 08 4 90340345 SSIWN SULON 106169 3343499334 QALYJIONI 3015 1 4 2 NO 1 435 5 30 134005 NO 319 40 NOILISOd 3L0N 0111504 130 84 95 53 115 41504 9621 53 11 5 515 AILI 0111504 34340 5 Z HOLIMS 0111504 0 38 53 211 5 zg 64 NILI 824 JO 3015 30105 403 661 01 001 ONY 30 5 LNSNOdWOD 403 66 01 JONVY 5901 91530 32 383334 94 311 944 340438 26311 4400 15 TIVLSNI 84 OLNI 6 WILI ASSY 318 2 11 15 1 3015 1 4 2 SLE 30 LON 15 SLNSNOUWOD TW 3015 LNAINOdWOO 94 5564 5214 14 00000000 0000000 OOO OOO 24 Wed 5214 68 4444 Drawings 5 4 1260 Series User Manual 10609 seziz A3 ON 1 3000 325 3015 8218 0 00 00000090 28 284 Iaw 52149 0000000000000000
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12. 328 934151933 1031735 SSH rod 884 RSD test O 10H 9 1 01 Ba 7 8941 4388142 0355 2 5 2 5 UBISIOSY 85604804 767279 7 94 MOF 0 012 0 1 072 9 9 5 9 9 o sow BHD lt E 90 INAS 103735 INAS Drawings 5 31 1260 Series User Manual 784 elas 00 eoo 0sie gt seziz ON 1434500 ON IN3013009_ 325 894 ANO 53504004 1531 HO ONY IXA JHL 01 034 LON 3Y SNOITLOSNNOS 353 1 2 5 ONS 98 Eovsna 4 zovsna 0 6081 OND Ag 0941793 ECD Age ASOLSAGS BE TEA 9 SEDA 899 BVA Trg YII 1889 800 gt Ea d 9994 CTE ONS esa STEUN CILIN Drawings 5 32 1260 Series User Manual ON LN3WN
13. 5 80025081 ONS 025081 90250871 50325081 O3AH3S30 3N AS ON ard 22222213 OEL TOT vA gt AS O ABT gt 1 893 3545 510 69 SEE gt sneRnns Poult RS 29517141 9 11 AS O AS ABOLSAS EDHI r OHI 2091 5 1983S By lt 48941 3555 esa 892 183 Drawings 5 17 1260 Series User Manual ela 66212 a 2 LN3WNDOG T SSA ASt DOA ON 1 301 3009 3216 gt 16 roa Doure 238d Tro spe gt 5 1 YING H lt OVOWLOLT 79 i E onload eae rite 589 lt a5a 1261
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17. 515 NPN 104713 1 904 104 1200320 ITRANSISTOR NPN 104713 MMBT3 904 10100 1200320 ITRANSISTOR NPN 104713 IMMBT3904 R100 1050000 102 IRES CHIP O6W 5 PCT 191637 ICRCW 0805SERIES 101 1050038 IRES CHIP 825 OHM 1 80 5 165940 IMCR1I8825J R102 18 20 5766 IRES CHIP 2 7K 1 8W 5 PCT 165940 18 2 7 5 18103 1050000 102 IRES CHIP 1K 06 5 191637 CRCW O805SERIES 18104 18 20 5764 IRES CHIP 100 OHM 1 8W 5 165940 18 100 5 105 1950040 IRES CHIP 6 04 1 8W 1 165940 MCR18 6 04KFW R106 1050000 102 IRES CHIP 1K 06 5 191637 08055 5 18107 1050047 IRES CHIP 2 21 06 1 PCT 156235 150705 2211 30 R108 18 20 5787 IRES CHIP 330 OHM 1 8W 5 PCT 200V 165940 IMCR18 330 5 18109 18 20 5792 IRES CHIP 1 8W 5 200V 165940 MCR18 1K 5 1 110 1 20 5792 IRES CHIP 1 8W 5 PCT 200V 165940 1 18 1 5 8111 18 20 5765 IRES CHIP 470 OHM 1 8W 5 PCT 165940 8 470 5 18112 18 20 5792 IRES CHIP 1 8W 5 200 165940 MCR18 1K 5 181 1601699 SWITCH DIP 8 POS LOW PROFILE 171450 1207 8 LPsT 152 1601859 SWITCH DIP 4 POS 111237 2074LPST 101 1231094 DEMUX DECODER 118324 1174151385 U2 231122 IC SOIC 101295 SN74LS641 1DW 103 1231123 IIC MULTIPLEXER 118324 17
18. 5 9 BWA 3504806 1YHAN3 423135 ONAS AGH er lt 11534584 lt 1919192 7672 7 EDA CLT OSE Drawings 5 45 1260 Series User Manual 894 ersa TED ANNO 53504804 1531 HO Suv ONY IXA 033 LON SNOILOANNOD 353 1310 4 esa PRR taaa CSAS esa gt 8 430 3009 O3A03S30 AG 328 LNONIYI OND 958111 0941741 5 2 5025041 ONS 025081 8025 81 07219 90841123 sro e 48018 5 TOHI cour aout ong 9 4 5 23 EWY LASSUSAS EEEL wHvsasSAs vy TEST CTV SAR a ELLA 2 A 604 OF Od 0584 Drawings 5 46 1260 Series User Manual Clio og SETI oT CAMENTE er 54 toa 5 819 66 12 18 INSOI3009 325 5 47
19. 06 25 328383338 3015 LNJNOdNOD NO 7135 15 IEN 30 139905 30 NOILISOd 3LON 7 0111504 330 BUY 84 96 SIHOLIMS 0111 09 ANO 3UY 621 S3HOLIMS is ed 8311 0111504 320 51 Z HILIMS NOILISOd NO SSHOLIMS zg 64 WIL 894 20 301 30105 404 661 01 001 ONY 3415 LN3NOdNOD 66 04 NOUS J NYY 5 1 91530 32 1834138 9 9341 954 380338 269311 3300 16 1 15 1 94 11311 Gd OLNI 6 311 assy 318 9 11 15 1 Yy 30 3015 LNINOdNOD 8 544740 8332 3 LON LSNW SLN3NOGNOD 119 6 03192101 NI 3015 18304802 NO LNIYYND 1559 5 0 4 153 1 82 Wee 59149 0 0900900901 1 25 O 8 00000000000 90000000000 10110 00000000000000000000000000 OOOO 8214 69 Drawings 5 19 1260 Series User Manual ewes gt 00 106105 66218 14301 3009 3015 1105412 148 100810
20. 1 TWOINHIS1 ONY 1 3 0 SIHL SOILON 0 931319395 35 553747 SILON SWHO SHUOMLEN YOLSISaH 1 0913190395 ASIMMSHLO 553181 AOS SOVHVASOKIIW 11 0 SWHO SaNIWA 151538 89d 3H1 30 3015 830105 SHI 555 01 001 WOKS ONY 3016 3 04 00 66 01 WOH SYOLYNOISSO BSONSHSSSN v 530 15 001 grr ren 25 5 0 ONS SNOTLISNNOS ST 580 ren 9 en 8 12572 EOT Bt en press OTT ZOU AT ON 269514 8 etn 21522 settee lt 508392 PLES We SOF 020 2 OESP 4010 ran arts aon Drawings 5 6 1260 Series User Manual at 1 5V SIZE CODE IDENT NO 21793 GND vss 5 745109 0138 Drawings 5 7 1260 Series User Manual El so 133 5 T SSA AS W3LSAS 264 RE 26 WALSAS ON ON 1 3905
21. Drawings 401951 003 PCB Assy L BUS 5 2 431951 Schematic L Bus JUMPER 5 3 401901 Assy 1260 Master CPU VXI Rev 1 2 5 4 431901 Schematic 1260 Master CPU VXI 1 2 5 6 401901 003 PCB Assy 1260 Master CPU Ver 1 VXI Rev 1 3 5 19 431901 003 Schematic 1260 Master CPU Ver 1 VXI Rev 1 3 5 21 401901 005 Assy 1260 Smart CPU Rev 1 3 5 34 431901 005 Schematic 1260 Smart CPU Rev 1 3 5 35 Drawings 5 1 1260 Series User Manual 31310345 SSIMYSHLO SSI INN S3LON 13 500 46610 66418 ON LN3WND0a ON 1 201 3009 321 TONI SANSWOYLSNI HO SLINGO 1412345 51 3 0000 93 10 ONY 5 11 01310345 HOJ ONY NOTLA YAS 9 33070 431359 829 431 35 034834 824 NI Sna ASSY 82 50931 1 TWLSNI 17 SINS 0 1860109 303 abv 2002 8126 vou Aor 15 NESS VIVO SHE OW SMOY TIVLSNI 586109 2 110
22. 050038 RES CHIP 825 OHM 1 8W 5 65940 MCR188257 102 20 5766 RES CHIP 2 7K 1 8W 5 PCT 165940 18 2 7 5 8103 050000 102 RES CHIP 1K 06W 5 91637 CRCW 0805SERIES 104 20 5764 RES CHIP 100 OHM 1 8W 5 PCT 65940 18 100 OHM 5 105 050040 CHIP 6 04 1 8 1PCT 65940 MCR186 04KFW R106 050000 102 RES CHIP 1K 06W 5PCT 91637 CRCW 0805SERIES 107 050047 RES CHIP 2 21 06W 1PCT 56235 50705CPX2211F30 R108 20 5787 RES CHIP 330 OHM 1 8W 5 200 65940 MCR18 330 OHM 5 103 20 5792 RES CHIP 1K 1 8W 5 PCT 200V 65940 18 1 5 110 20 5792 8 CHIP 1 8W 5 200 165940 18 1 5 R111 R 20 5765 RES CHIP 470 OHM 1 8W 5 PCT 65940 MCR18 470 5 112 R 20 5792 RES CHIP 1K 1 8W 5 PCT 200V 65940 MCR18 1K 5 51 601699 SWITCH DIP 8 POS LOW PROFILE 71450 207 8 LPST 52 601859 SWITCH DIP 4 POS 11237 2074LPST 91 231094 DEMUX DECODER 118324 N74LS138D 92 231122 SOIC 101295 SN74LS641 1DW 193 231123 MULTIPLEXER 18324 74LS151D 04 1231125 DIGITAL LINE DRIVER 27014 DS26LS31MN 195 231125 DIGITAL LINE DRIVER 27014 DS26LS31MN 96 231122 5 1 01295 SN74LS641 1DW 1 97 230986 IC 8 BIT COMPARATOR 07263 74 5218 98 231092
23. 4 30 Lived t 9 1 1 1 1 1 1260 Series User Manual EER ON LN3WND00 El 9 00 1061 3215 1 25 ON 3002 EN 1 Las aA ONS SSA AS SOA OTSNE gt ENFOTONA 20 gt NOE 92072 6 39 2 gt 9 A 4 LN 5 THA 0016 tessa gt azorz 0 2 MOt E 9 HE 4 70194 4 A Ag xt roa SERSAR NIA 88171 1510 ozorz A 09 5 ga CAL TWH mest 5 Drawings 5 26 1260 Series User Manual 66416 8 ON IN3QI 3002 325 EEN 40 5 SOO lO6IE 7 ON LNSWNDOG ONS SSA AG IIA gt gt Et 6 7 2 610 0 S3HOLIMS 1323 5 OL Mess LS ocr 1117 d B atte rOGELAAW 0 AS CSI voa 4804 INdNI 48 a RY FIFI 99d 2 155512
24. 5 18 1 5 18 1 5 8 470 5 PCT 18 1 5 207 8 LPsT 2074LPST N74LS138D SN74LS641 1DW 7415151 DS26LS3 1MN DS26LS3 IMN SN74LS641 1DW 74 5215 17415244 SN74LS652DW 741 5645 1 LM339D N74F299D 231164 1231163 74 1095 741 5138 74LS244D 74 5215 231162 474153740 SN74HC3 2D 74HCT166D 1231161 231160 231159 231158 231157 Parts Lists 6 5 1260 Series User Manual 401901 003 PCB ASSY 1260 MASTER CPU REF RACAL INST DESIG P N DESCRIPTION FSC MANUFACTURER S P N eee Set eS a A ee Sa eS aS 28 231156 MEMORY 21793 231156 029 231155 IC MEMORY 21793 231155 230780 COUNTER TIMER 104713 6840 931 231136 MICROPROCESSING UNIT 62786 HD68000CP 8 1032 231146 MEMORY EEPROM 21793 231146 1933 231166 21793 231166 934 231167 21793 1231167 0100 231129 OCTAL BUS TRANSCEIVERS 18324 N74LS645 1D 9101 231118 DIGITAL BUFFER 01295 SN74LS652DW 0102 231092 TRI STATE BUFFER 18324 7415244 0103 230986 8 COMPARATOR 07263 74 5215 0104 231127 FLIP FLOP 04713 SN74LS74AD 9105 231096 QUAD DIFF RECEIVER 01295 AM26LS32ACD 9106 231124 FLIP FLOP
25. Interrupt levels in the range 0 to 7 are permitted Switch 4 is not used Refer to Figure 2 1 for the location of SW2 NOTE The 1260 01 interrupt level is set to 2 by Racal Instruments before shipment Replace the module covers Replacement is the reverse of the removal procedure NOTE Any 1260 switching card may have Option 01 fitted and be designated as the Master 1260 Series User Manual Switching Module Address Setting All Modules To set a module address carry out the following procedure For the 1260 40 only remove the module covers Set switch SW1 on the module to the binary equivalent of the address Switches 1 to 4 are used to set the module address with switch 4 the least significant bit and switch 1 the most significant The OFF positions for SW1 correspond to binary 0 and ON positions correspond to binary 1 Addresses in the range 1 to 12 are permitted Refer to Figure 2 2 for the location of SW1 on the switching module PCB or to Figure 2 3 for the location of SW1 on the 1260 40 The functions of the various S1 switches are shown in Figure 2 4 ADDRESS BYTE Configurable cards only Figure 2 4 51 Switch Function NOTE The address set at switch SW1 on the switching module controls the value of the card address the switching module will respond to The OPEN and CLOSE statements using the card address are specified in Section 4 4 Example For a module to respond to the command CLOSE 5 1205
26. TRI STATE BUFFER 18324 74LS244D 99 231118 DIGITAL BUFFER 01295 SN74LS652DW 10 231129 OCTAL BUS TRANSCEIVERS 18324 N74LS645 1D 011 1231093 QUAD COMPARATOR 04713 LM339D 012 231500 8 INPUT SHIFT REGISTER 18324 N74F299D 913 231164 IC MEMORY 121793 231164 914 231163 FC MEMORY 21793 1 231163 915 230980 DUAL JK POS EDGE TRIG 107263 74 1095 016 231094 DEMUX DECODER 18324 741 61380 1917 231092 TRI STATE BUFFER 18324 74552440 918 230986 1 8 107263 74 5218 019 231162 21793 231162 1020 231124 1 FLIP FLOP 18324 N74LS374D 921 231121 QUADRUPLE 2 INPUT POS OR GATE 101295 SN74HC32D 522 231120 8 PARALLEL SERIAL OUT S R 18324 74HCT166D 923 231161 21793 231161 024 1231160 IC MEMORY 21793 231160 1025 231159 21793 231159 926 231158 MEMORY 21793 231158 027 231157 IC MEMORY 21793 231157 Parts Lists 6 3 1260 Series User Manual 401901 PCB ASSY 1260 MASTER CPU REF RACAL INST DESIG P N DESCRIPTION FSC MANUFACTURER S P N E aS ee 1028 231156 21793 231156 1029 231155 1
27. an n 9 a 0 uw v gt in aw gt A M Net u on Ne u Ow viet m on an u ou viet Drawings 5 36 1260 Series User Manual 80 00 2 2 21548 2 Nid 000145 Nid lt T SSA 2600 61712 1 WOW WSLSAS 22 81391 9 2 gt q b94 C30 25 58 STITT 091 29399 17 sr lt 692 0185 pf 1 5 yOSS E Z 86228 2 1 AS SEG PD WSLSAS 8 00818 HE 019 wou 1 SLAG ET TE GL Drawings 5 37 1260 Series User Manual soo iosiep 66412 8 ON 3009 325 esa D gt ger 4 1184 992 4 a ee E gt XERAM 999 29d a a N 2 rN 0194 235 E90
28. masking the Option 01 status byte The mask value lt integer gt is the decimal equivalent of the binary eight bit byte ANDED with the GPIB status byte i e if a bit the mask is a logic 1 the assertion of the corresponding bit in the status byte will cause the Option 01 to assert SRQ Refer to Table 3 1 for the bit assignments of the GPIB Status byte SRQ is asserted by raising the VXI Request True exception to the VXI Resource Manager Note the status byte also details the possible responses of the 1260 01 to a GPIB serial poll NOTE Service Requested bit 7 is cleared by a VXI Status Request command or by sending a serial poll to a VXI GPIB Resource Manager This will also raise a VXI Request False exception which will cause a Resource Manager to de assert SRQ NOTE Programming Error bit 6 is cleared when the YERR command is received NOTE Scan List at Break Point bit 4 is cleared when a SCAN ON SCAN OFF or SCAN CONT command is received 1260 Series User Manual STORE Table 3 1 1260 Option 01 Status Byte Scan List At Break Point The Programming error bit cannot be masked and so the range of values for valid SRQMASKs is 32 63 96 127 160 191 and 223 255 The power up default value of the SRQMASK is 40 i e programming error or Scanlist at break point will cause SRQ to be asserted STORE lt non vol location gt where lt non vol location gt This command will st
29. rod 99 106 t LN3ANDOG lt Keit lt 325 OFFS Iva WEZ 19 SSA DIA oa 891 Drawings 5 10 1260 Series User Manual 1061 LNAWNSO0 A TO F 69d SSA AG BDA A S97 6NT 5 29a BALES 4 92072 4 et 76 72 76 54265 9 1 13 e 0016 5 erga azote dr 9 2 910194 1 25 abe CSBNSAN gt vansan 8 020172 9 9 ASt aro 9 veg SEH 5 1 NOF 095 6 ASt Drawings 5 11 1260 Series User Manual SSA Ag ODI gt et gt 010 66116 1434 3905 3215 A SSHILIMS 13 5 OL 18 lt LN 02 518 4 5
30. 00000060000 run 2 5 2150 000000000000000 52 szo o Dooo 9213 1500 00000000000 000000000 0212 00000000 2 o gt gt 9 2 oooo000000000 Fp o o o gt 5 9 Drawings 5 5 1260 Series User Manual 133 5 106169 ON LN3WND00 O92I W3HOS 31113 143 209 2002 81 26 27 41 421 746 voehpoog 1 SINIWHLSNI 5190004 amp 1 AAIDSdS 51 3 0200 ONY 5 011 21413345 OLNI 1 4 804 ONY 9 30 53504804 03501 39 A WO AWW ONY 184 1 Q3IdO 3 30 339 SYH NOLLVWHOJNI SHI 241 SINIWNAHLS NI 0 1 0350 306005 3411119905 SNOIL 1131705 01 0350 NI 035012610 035 50 30 INT SIN3W 16 VOYY 40 1651 34 NSLLIMA 553 X3 LNOHLIM 104 5 ONY INI SINSH OL 131 0 34 935012519
31. 1 1100 32 9 1260 Series User Manual 401901 PCB ASSY 1260 MASTER CPU OPT 01 REF RACAL INST DESIG P N DESCRIPTION FSC MANUFACTURER S P N 110126 6 8UF 35 20 PERCENT 05397 355 685 035 5 2 110143 1 35 20 05397 T355A105M035AS 100 128 21 1801 CHIP 10 NF 95275 21206 103 CR1 211083 DIODE SILICON 81349 1N916B 601858 032 CONNECTOR PCB PLUG 32 PIN 52072 532 601858 032 PLUG 32 PIN 52072 CAS32MPF1B 601858 032 CONNECTOR PLUG 32 PIN 52072 CAS32MPF1B 1601858 032 CONNECTOR PCB PLUG 32 PIN 52072 CAS32MPF1B P4B 1601858 032 CONNECTOR PCB PLUG 32 PIN 52072 CAS32MPF1B 601858 032 PLUG 32 PIN 52072 CAS32MPF1B 5 601710 003 RT ANGLE SINGLE ROW 52072 CA SO3R 23B09 601710 003 CONNECTOR RT ANGLE SINGLE ROW 52072 CcA S03R 23B09 101 200320 TRANSISTOR NPN 04713 MMBT3904 102 200295 TRANSISTOR MOSFET 17856 10 200320 TRANSISTOR NPN 04713 3904 194 200320 TRANSISTOR NPN 04713 MMBT3904 0100 200320 TRANSISTOR NPN 104713 MMBT3904 6100 050000 102 RES CHIP 1K 06W 5 91637 CRCW 0805SERIES 8101
32. 12 ON 14341309 15301 3909 3215 azz rPOGELGHW 50 12821 ONS SSA IIA A ASTON vot artn uoa 2 gt lt a 52032 4 seen aS 281010 ter 6 2822 2 32032 A Ag 6 1 8 coto 458448 OF xs 32012 9 9 rr otoa 28589 4 Ag A gt INIA 5 M9373 5 0 2 9 SD 5 50 2117 0 2 Q Drawings 5 40 1260 Series User Manual eke 5 0 1061 9 66412 a INO 38093 328 gpa et tr ew Esa SMO 1404 LANI 49 04 43441 8 008 m OSE LEWH ro 34 SBHOLIMS ALSAVS 01 cs H est ws AS CNT MSHS 01 94 513535 1994 CEI 0
33. 18324 N74LS374D 9107 231126 NAND GATE 118324 74538 108 231128 ENCODER 01295 SN74LS148D 9109 231124 FLIP FLOP 18324 N74LS374D 0110 231092 TRI STATE BUFFER 18324 7415244 10111 231093 QUAD COMPARATOR 04713 1 339 19112 231120 8 PARALLEL SERIAL OUT S R 118324 74 166 0113 231094 DEMUX DECODER 18324 N74LS138D 1 0114 231137 MEMORY 21793 231137 0115 231137 MEMORY 21793 231137 1 230951 1 2V MICRO PWR REF DIODE 27014 LM385BM 1 2 21 080121 RES NETWORK 3 3K 16 8R 111236 767 163R33KS 22 080116 RES NETWORK 16P8R 10K 73138 628 AL 1033 23 080120 5 10 11236 767 161810 24 080119 RES NETWORK 220K 191637 5 1603 224 2100 080120 RES NETWORK 10K 11236 1767 161810 2101 1080120 RES NETWORK 10K 111236 767 161R10K 1 2202 080120 RES NETWORK 10K 11236 767 161R10K 2103 080120 RES NETWORK 10K 11236 767 161R10K 6531 411901 PCB OPTION 01 UNLOADED 121793 411901 J 69 A R 500022 BARE COPPER TIN 22 121793 500022 1 7131 601277 SOCKET 28 106776 ICA 286 S TG 7631 601715 CHIP CARRIER 68 109922 011 68 410 7734 1601735 016 CONNECTOR RECEPT 16 PIN 55322 55116032 92 3 610257 STANDOFF SWAGE 1 4 4 40 X 31 06540 9534 04403
34. 3215 4444444 SLAB OF NS DROS eo a 21562 Nid 0001 8 2 7 NId 8797 6x as 9 1 2 614 50 ran 0 2 0 5 arg 0 EF anil TIME OE Ce roa E Z 95229 8 1 Nid STY lt E EY TF 674 804 Drawings 5 8 1260 Series User Manual 1 061 9 BETS 2 4 4 5 veo be aN 914924 2 2 815 OA ETTA DE SEO t tot 4 11171 lt 13538 Tera 999 58 4 SENSAN uoa CDe 5 5 r ot eoa 2 229172 15761762 694 otage 12 12 5 dT gt 41 22 500083 AS rT Drawings 5 9 1260 Series User Manual r 9d
35. 3923 2225 Racal Systems Elettronica s r l Strada 2 Palazzo C4 20090 Milanofiori Assago Milan Italy Tel 39 0 2 5750 1796 FAX 39 0 2 5750 1828 Racal Elektronik System GmbH Technologiepark Bergisch Gladbach Friedrich Ebert Strasse D 51429 Bergisch Gladbach Germany Tel 49 2204 8442 00 FAX 49 2204 8442 19 Racal Instruments Ltd Unit 5 25F Mega Trade Center No 1 Mei Wan Road Tsuen Wan Hong Kong PRC Tel 852 2405 5500 FAX 852 2416 4335 1260 Series User Manual REPAIR AND CALIBRATION REQUEST FORM To allow us to better understand your repair requests we suggest you use the following outline when calling and include a copy with your instrument to be sent to the Racal Repair Facility Model Serial No Date Company Name Purchase Order Billing Address City State Province Zip Postal Code Country Shipping Address City State Province Zip Postal Code Country Technical Contact Phone Number Purchasing Contact Phone Number 1 Describe in detail the problem and symptoms you are having Please include all set up details such as input output levels frequencies waveform details etc 2 problem is occurring when unit is in remote please list the program strings used and the controller type 3 Please give any additional information you feel would be beneficial in facilitating a faster repair time i e modifications 4 15 calibration data required Yes please circle o
36. Product Specifications Safety EN61010 1 1993 A2 1995 EMC EN61326 1997 A1 1998 Supplementary Information The above specifications are met when the product is installed in a Racal Instruments certified mainframe with faceplates installed over all unused slots as applicable The product herewith complies with the requirements of the Low Voltage Directive 73 23 EEC and the EMC Directive 89 336 EEC modified by 93 68 Irvine CA May 9 2002 Kah l no Engineering Director This page was intentionally blank 1260 Series User Manual Table of Contents Chapter 1 GENERAL INFORMATION 1 1 0 141 General Informati n prcnas 1 1 1 3 E 1 3 Chapter 2 INSTALLATION INSTRUCTIONS 2 2 1 Ate a 2 1 Unpacking Inspection 2 1 Reshipment Instructions 2 1 Option OT Installation annann 2 1 Interrupt Level and Logical Address Setting 1260 01 Equipped Modules Only 2 4 Switching Module Address Setting All
37. Series User Manual 1260 Series User Manual Product Support Reshipment Instructions Chapter 7 PRODUCT SUPPORT Racal Instruments has a complete Service and Parts Department If you need technical assistance or should it be necessary to return your product for repair or calibration call 1 800 722 3262 If parts are required to repair the product at your facility call 1 949 859 8999 and ask for the Parts Department When sending your instrument in for repair complete the form in the back of this manual For worldwide support and the office closes to your facility refer to the Support Offices section on the following page Use the original packing material when returning the 1260 to Racal Instruments for calibration or servicing The original shipping crate and associated packaging material will provide the necessary protection for safe reshipment If the original packing material is unavailable contact Racal Instruments Customer Service for information Product Support 7 1 Support Offices Product Support 7 2 1260 Series User Manual Racal Instruments Inc 4 Goodyear St Irvine CA 92618 2002 Tel 800 RACAL ATE 800 722 2528 949 859 8999 FAX 949 859 7139 Racal Instruments Ltd 480 Bath Road Slough Berkshire SL1 6BE United Kingdom Tel 44 0 1628 604455 FAX 44 0 1628 662017 Racal Systems Electronique S A 18 Avenue Dutartre 78150 LeChesnay France Tel 33 1 3923 2222 FAX 33 1
38. This command turns the 1260 Confidence Test On or Off The Confidence Test checks that the state of all relays is as programmed and causes the Option 01 to assert the VXI Request True exception after each OPEN or CLOSE command is processed if an error is detected A character string detailing the failure may be obtained from the 1260 01 in response to the YERR command The character string the Confidence test causes the Option 01 to generate is lt module address gt 51 lt module address gt is a three digit number that is the address of the module slaved to the 1260 01 51 is the error code associated with a Confidence Test failure GPIB VXI Resource Manager will cause the assertion of the GPIB SRQ line in response to the Request True assertion The default power up state for the Confidence Test is OFF DLY lt value gt Command is used to cause a delay between the last relay closure after a command string is processed and the SYNC OUT pulse lt value gt may be 0 655 ms and is set to zero at power up Operation 3 3 1260 Series User Manual EOI EOI lt 0 1 gt EOI 0 causes the GPIB EOI line to be asserted by the VXI Resource Manager at the end of each line of a multi line data output by the Option 01 if a VXI GPIB Resource Manager is in use EOI 0 is the default power up state EOI 1 causes the GPIB EOI line to be asserted by the VXI Resource Manager only at the last character of a data string output by the Option 01 if
39. a VXI GPIB Resource Manager is in use Operation 3 4 1260 Series User Manual EQU EQU lt equate list gt This command causes any OPEN CLOSE or TRIG SCAN commands addressed to any switching module on the lt equate list gt to be carried out for all modules on the lt equate list gt All modules on the list are required to be identical The lt equate list gt is made up of the slot numbers of the switching modules that are to be equated separated by a semi colon Continuous groups of modules may be entered onto the lt equate list gt by entering the first and last modules to appear on the list joined by a hyphen More than one equate group may be set up in a single EQU statement by separating the equate groups with a comma Example EQU 1 3 6 2 9 11 This command will equate slots 1 3 4 5 and 6 as one equate group and slots 2 9 10 and 11 as another NOTE All switching modules must be of the same type to be accepted in the same equate list or the Option 01 will generate an error NOTE Use of the EQU command will overwrite all previously entered lt equate list gt s An lt equate list gt of 0 may be used to clear all equate groups NOTE When an lt equate list gt is entered all switching modules on the list adopt the state of the first module to appear on the list Operation 3 5 Operation 3 6 1260 Series User Manual EXCL lt exclude list gt This command caus
40. be read repeatedly until the final line of the output is read for and PSETUP commands The final character string output by the Option 01 is lt module address gt END where lt module address gt is the address of the last module to be described The character string output in response to Operation 3 1 Operation 3 2 1260 Series User Manual the YERR command is a single line The character strings output in response to the PDATAOUT and PSETUP commands consist of multiple lines of the form lt module address gt lt header gt or lt module address gt lt module specific syntax gt where lt module address gt is the address set on switch SW1 on the switching module PCB value 1 through 12 The value of lt module address gt and the decimal equivalent of the binary value set on SW1 must be the same for the switching module to respond correctly to any device dependant commands addressed to it Note that no two switching modules are permitted to have the same value of lt module address gt VXlbus chassis lt header gt describes the switching module type lt module specific syntax gt describes the closed relay paths of the present configuration of the switching modules or the syncronous port data on the digital card NOTE The PSETUP command returns information on the configuration of the 1260 Option 01 The Option 01 will return a value of 000 for lt module address gt This does not correspond
41. either switches or jumpers If more than one switching module is to be installed in the VXlbus chassis the module with the 1260 01 card installed must be fitted at the leftmost position of all modules being installed in the chassis The rightmost module must have the twelve jumpers Installation Instructions 2 9 Installation Instructions 2 10 1260 Series User Manual mounted on the jumper PCB installed removed from positions E125 to E136 on the switching module PCB or all DIP switches S2 and S3 opened as described in Chapter 2 To install the switching module in a C size VXI mainframe ensure the module has rear connector P1 oriented to mate with the corresponding connector on the mainframe backplane Align the module with the guides for the slot selected and slide the module into the mainframe Push the module home to connect it to the mainframe Secure the module to the mainframe with the captive screws provided at the top and bottom edges of the module Power up the mainframe Ensure the SYSFAIL LED on the Master switching module front panel lights and extinguishes after a few seconds to show the switching module has passed its power up self test The switching module is now ready for use To remove the switching module release the captive screws that secure the module to the mainframe Use the plastic levers provided on the top and bottom edges to eject the module Pull the switching module along the guides provided and out
42. for a particular use The remedies provided herein are buyer s sole and exclusive remedies For the specific terms of your standard warranty or optional extended warranty or service agreement contact your Racal customer service advisor Please have the following information available to facilitate service 1 Product serial number 2 Product model number 3 Your company and contact information You may contact your customer service advisor by E Mail Helpdesk racalinstruments com Telephone 1 800 722 3262 USA 44 0 8706 080134 UK 852 2405 5500 Hong Kong Fax 1 949 859 7309 USA 44 0 1628 662017 UK 852 2416 4335 Hong Kong RETURN PRODUCT Authorization is required from Racal Instruments before you send us your product for service or calibration Call your nearest Racal Instruments support facility A list is located on the last page of this manual If you are unsure where to call contact Racal Instruments Inc Customer Support Department in Irvine California USA at 1 800 722 3262 or 1 949 859 8999 or via fax at 1 949 859 7139 We can be reached at helpdesk racalinstruments com PROPRIETARY NOTICE This document and the technical data herein disclosed are proprietary to Racal Instruments and shall not without express written permission of Racal Instruments be used in whole or in part to solicit quotations from a competitive source or used for manufacture by anyone other than Racal Instruments The
43. from the AC line mains through an autotransformer ensure the common connector is connected to the neutral earth pole of the power supply Before operating the unit ensure the conductor green wire is connected to the ground earth conductor of the power outlet Do not use a two conductor extension cord or a three prong two prong adapter This will defeat the protective feature of the third conductor in the power cord Maintenance and calibration procedures sometimes call for operation of the unit with power applied and protective covers removed Read the procedures and heed warnings to avoid live circuit points Before operating this instrument 1 Ensure the instrument is configured to operate on the voltage at the power source See Installation Section 2 Ensure the proper fuse is in place for the power source to operate 3 Ensure all other devices connected to or in proximity to this instrument are properly grounded or connected to the protective third wire earth ground If the instrument fails to operate satisfactorily shows visible damage has been stored under unfavorable conditions has sustained stress Do not operate until performance is checked by qualified personnel Racal instruments EC Declaration of Conformity Racal Instruments Inc 4 Goodyear Street Irvine CA 92718 declare under sole responsibility that the Opt 01 1260 Series Smart Control Module P N 401901 005 conforms to the following
44. information herein has been developed at private expense and may only be used for operation and maintenance reference purposes or for purposes of engineering evaluation and incorporation into technical specifications and other documents which specify procurement of products from Racal Instruments DISCLAIMER Buyer acknowledges and agrees that it is responsible for the operation of the goods purchased and should ensure that they are used properly and in accordance with this handbook and any other instructions provided by Seller RII products are not specifically designed manufactured or intended to be used as parts assemblies or components in planning construction maintenance or operation of a nuclear facility or in life support or safety critical applications in which the failure of the RII product could create a situation where personal injury or death could occur Should Buyer purchase product for such unintended application Buyer shall indemnify and hold its officers employees subsidiaries affiliates and distributors harmless against all claims arising out of a claim for personal injury or death associated with such unintended use FOR YOUR SAFETY Before undertaking any troubleshooting maintenance or exploratory procedure read carefully the WARNINGS and CAUTION notices This equipment contains voltage hazardous to human life and safety and is capable of inflicting personal injury If this instrument is to be powered
45. is used to insert wait states when an Lbus cycle is accessed The fourth and final function provided by U23 is to detect an interrupt cycle from the states and FC1 and dropping the VPA line The microprocessor is configured to support up to seven interrupts without requiring the polling of devices to determine the interrupt These seven sources are encoded onto three lines by U108 which in turn drives the IPLO 2 lines of the microprocessor All time dependent tasks are controlled by a counter timer which is a Motorola 6840 CTC This is mapped as a 6800 peripheral The timer is configured by the microprocessor and generates interrupts at a programmed interval During normal operation the timer is programmed to interrupt the microprocessor every 10 mS Note the interrupt response latency of the microprocessor is expected to vary by some small amount The microprocessor system has one general purpose input port and two general purpose output ports of 8 lines each These ports are mapped as part of the VXlbus interface and use 6800 timing The input port U110 is used to read the status of the VXlbus interface state machine and the status of the 24V the backplane in conjunction with U11b This port also reads the status of the chassis receiver mechanism safety switches if fitted and the checkin signal used to put the microprocessor in self test mode The safety switch input is protected by R111 Q3 and Q4
46. module with the fasteners provided at the three standoff positions on the 1260 01 NOT USED meji coe LSB MSB U34 033 58 4 20 20 50 n 2 58 9 2 5 58 on 6013 ON 4032 SWITCH St WILL LOCATED ONE THESE LOCATIONS TOP SIDE Figure 2 2 Switching Module Connector and Switch Location Installation Instructions 2 2 1260 Series User Manual Cloo 9000000000 KR0GG0GR0RG0GGORADOOS C o6000000000 00000000 00000000000000 006 2 20 0 000008009 32 33 1 2 P1 Figure 2 3 1260 40 Switch Connector and Jumper Location 1260 Master is fitted with the defined SYSFAIL LED To install the LED connect the cable supplied to the 3 pin plug in the Option 01 PCB The cable and plug are configured to achieve correct operation either way the cable is connected at the end The LED is inserted into the hole marked FAIL at the top of the module front panel from the outside of the module so the LED pins point into the module The cable supplied is fitted with a 2 pin connector at the LED end
47. the output string and so the PSETUP output string must be read repeatedly until all lines of the output have been read for all modules specified The final line output by the 1260 Series User Manual 1260 Option 01 is lt module address gt END where lt module address gt is the VXI chassis slot that the last 1260 module described is resident Operation 3 9 PSETUP Operation 3 10 1260 Series User Manual PSETUP lt module address gt lt module address gt This command causes the Option 01 to output a character string describing the setup of the switching system Option 01 and switching modules An example of a character string obtained in response to a PSETUP 0 12 command is given below 000 Model 1260 Universal Switch Controller 000 OS Rev 1 2 1260 000 CNF OFF 000 DLY 0 000 EOI 0 000 EQU 000 EXCL 000 SCAN ON 000 SLIST 0 000 SRQMASK 40 000 SYNC 8 000 TTLTRG 0 000 PUPRCL OFF 012 1260 40A 4 x 24 Signal Matrix 012 BBM 012 END NOTE The character string output by the 1260 Option 01 is made up of multiple lines and contains carriage return line feed pairs These will terminate the output string The PSETUP output string must be read repeatedly until all lines of the output have been read for all modules specified The final line output by the Option 01 is lt module address gt END where lt module address gt is the VXI chassis slot that the highest module address present in the V
48. to the address of the VXI Resource Manager card resident in Slot 0 of the VXI chassis or the Option 01 logical address When outputting a character string to the VXI Controller the Option 01 will output a carriage return line feed pair If the Resource Manager is a VXI GPIB interface the Resource Manager will output a carriage return line feed with GPIB asserted Note that in the case of the output string consisting of multiple lines the EOI line may be asserted at the end of each line or at the end the character string as determined by the lt 1 0 gt command 1260 Series User Manual 1260 01 Device Dependant Command Codes CLOSE CNF DLY NOTE For any command that causes relays to be operated CLOSE OPEN or RESET allow 40msec to 3msec per relay operated relay settling time or monitor the READY bit of the status byte waiting till the 1260 reports that it is ready CLOSE lt module address gt lt module specific syntax gt lt module address gt lt module specific syntax gt This command causes one or more connections on a switching module to close Any number of connections in more than one slot may be closed in one CLOSE statement if the lt module address gt lt module specific syntax gt sections are concatenated using a semi colon Refer to the individual module sections for the lt module specific syntax gt to be used for each switching module CNF lt ON OFF gt
49. tt 4 r esa 25328188 Drawings 5 43 31348 000 538 ang wiva 151534 1 3 3 2799 STS ora HOF 10072 8 31515938 553800 7 21907 10092 00 2 00 2 00052 511535 u 40042 0082 80012 864 45502 2 83151638 35409535 5 8 3 5 94 22238 gt 90052 30052 are 999 gE 915 9955 Se ore 81488 0164 2445574 20 Wd 8193 01 34 1 301430 151838 33181938 SNivis 1260 Series User Manual Peto Ol 600 1061 86 10 T SSA in 9 R533 13575186 3 699 1494 Peg 559 2598812 gt a 37995 ON 19341 3002 ULY 0 80 50300 1208831 1 5300015 00089 IXA esa HHHH HILIBUY 83151038 35 04538 935457055 VIVO Drawings 5 44 1260 Series User Manual goa XNW YADE INAS 83151938 103735 9951 1 ILL
50. 0 Master and Slaves If you are using more than eight 1260 series modules you must add a termination jumper to the module on the far right Do this by soldering a short wire jumper across W22 on the LBUS jumper PCBA P N 401951 Rev E Similarly a provision must be made to pass the IACK and BUSGRANT 0 3 signals through Slave modules This is done by installing the BUSGRANT Bypass PCBA Racal Instruments P N 401951 003 onto the modules J3 connector This PCBA is required if the VXI chassis backplane contains jumpers or switches to bypass these signals and the switches are CLOSED 1260 SERIES 1260 SERIES SLAVES MASTER NO LBUS CONNECTION TO THE LEFT OF THE MASTER NO 1 805 RIGHT THE LAST SLAVE BACKPLANE INTERCONNECTS Figure 2 5 1260 Series Master and Slave LBUS Interconnections Installation Instructions 2 6 Revised 11 19 01 1260 Series User Manual LBUS Lockout Keys defined LBUS lockout keys are designed to prevent the connection together of incompatible logic families They are attached to the exterior of the module at the top of the front panel Note The 1260 Master must occupy the leftmost slot in the series It is not required to occupy the leftmost slot in the chassis Note all modules shipped from the factory are supplied with three keys Because their use is application dependent it is the users res
51. 003 1 25 iroa 5499 255 Seve 864 SEDA 80 9031 ldNHYILNI 53500915 00089 IXA roo COSTS esa M TIN OD ana HHHH HHHH lt S EHT 8 939151095 5 0 538 YSONSNOAS VIVO Drawings 5 15 1260 Series User Manual S locity 143013005 5 9 103735 9599191 311 ASH SU ee 15514589 699 2 A z 5 i 9 534151034 350484 9 HOF OEOTZ NEOTZ WEOTZ TEOTZ 2 2 9 9 9 7 13 CED 5 51541112 INAS 1237136 NAS Drawings 5 16 1260 Series User Manual 106160 ON IN3WND00 CESK Fog Cle gt 508 1 E A ANNO 53509 BE 1531 HO ONY APZ O 2 8 IXA Oc 01 033 LON SNOILOSNNOD 353 1 310 9 22 577 ee A Qesari i
52. 1231123 94 231125 105 231125 6 231122 97 230986 jus 231092 1231118 010 231129 011 231093 1012 231500 013 231164 014 231163 015 1230980 1016 1231094 017 231092 1018 230986 019 231162 920 231124 1021 231121 1922 231120 023 231161 924 231160 925 231159 026 231158 027 231157 1260 6 8UF 35 20 PERCENT CAP 1 UF 35V 20 PERCENT CAP CHIP 10 NF DIODE SILICON PCB PLUG 32 PIN CONNECTOR PCB PLUG 32 PIN CONNECTOR PCB PLUG 32 PIN CONNECTOR PCB PLUG 32 PIN CONNECTOR PCB PLUG 32 PIN CONNECTOR PCB PLUG 32 PIN CONNECTOR RT ANGLE SINGLE ROW CONNECTOR RT ANGLE SINGLE ROW TRANSISTOR NPN TRANSISTOR N CHAN MOSFET TRANSISTOR NPN TRANSISTOR NPN TRANSISTOR NPN RES CHIP 1K 06W 5 RES CHIP 825 OHM 1 8 5 5 CHIP 2 7K 1 8W 5 PCT CHIP 1K 06W 5 RES CHIP 100 OHM 1 8W 5 5 CHIP 6 04 1 8W 1PCT RES CHIP 06W SPCT CHIP 2 21K 06W CHIP 330 OHM 1 8W 5 PCT 200V RES CHIP 1 8W 5 PCT 200V RES CHIP 1K 1 8W 5 PCT 200V RES CHIP 470 OHM 1 8W 5 PCT RES CHIP 1K 1 8W 5 PCT 200V SWITCH DIP 8 POS LOW PROFILE SWITCH DIP 4 POS DEMUX DECODER sore MULTIPLEXER DIGITAL LINE DRIVER D
53. 1637 1603 224 2100 080120 5 10 11236 767 161810 2101 1080120 5 NETWORK 10K 11236 767 161 10 2102 1080120 5 NETWORK 10K 11236 767 161R10K 2103 1080120 RES NETWORK 10K 11236 767 161R10K 6571 411901 OPTION 01 UNLOADED 21793 411901 69 A R 500022 WIRE BARE 22 21793 500022 07131 601277 28 06776 ICA 286 S TG 7671 601715 SOCKET CHIP CARRIER 68 PIN 09922 011 68 410 47714 601735 016 RECEPT 16 PIN 155322 51116632 19233 610257 STANDOFF SWAGE 1 4D 4 40 31 06540 9534 04403 1 9331 404782 CABLE ASSY LED FAIL 21793 404782 Parts Lists 6 4 1260 Series User Manual 401901 003 PCB ASSY REF RACAL INST DESIG P N 110126 2 110143 1 100 128 21 1801 211083 601858 032 601858 032 601858 032 601858 032 601858 032 601858 032 5 1601710 003 6 1601710 003 01 1200320 192 200295 103 200320 04 200320 10100 200320 8100 1050000 102 8101 050038 R102 20 5766 8103 050000 102 8104 20 5764 8105 050040 8106 050000 102 18107 1050047 R108 R 20 5787 R109 20 5792 R110 20 5792 8111 20 5765 R112 8 20 5792 51 601699 82 601859 01 231094 192 231122
54. 21793 231155 930 230780 COUNTER TIMER 04713 6840 031 231136 MICROPROCESSING UNIT 62786 68000 8 532 231146 MEMORY EEPROM 21793 231146 533 231166 MEMORY 21793 231166 1934 1231167 21793 231167 0100 231129 OCTAL BUS TRANSCEIVERS 118324 N74LS645 1D 0101 1231118 DIGITAL BUFFER 01295 SN74LS652DW 0102 231092 TRI STATE BUFFER 18324 74152441 9103 230986 Ic 8 COMPARATOR 07263 74 5215 0104 231127 FLIP FLOP 04713 SN74LS74AD 0105 231096 QUAD DIFF RECEIVER 101295 AM26LS32ACD 9106 231124 FLIP FLOP 118324 N74LS374D 19107 1231126 NAND GATE 18324 74538 0108 231128 ENCODER 01295 SN74LS148D 0109 1231124 FLIP FLOP 18324 N74LS374D 9110 1231092 TRI STATE BUFFER 118324 74182440 9111 231093 QUAD COMPARATOR 04713 LM339D 9112 231120 8 PARALLEL SERIAL OUT S R 18324 74 1660 0113 1231094 DEMUX DECODER 118324 N74LS138D 9114 231137 MEMORY 21793 1231137 19115 231137 MEMORY 21793 1 231137 1 230951 1 2 MICRO REF DIODE 27014 LM385BM 1 2 21 080121 RES NETWORK 3 3K 16 88 11236 767 163R33KS 22 080116 5 NETWORK 16P8R 10K 73138 628 10302 23 080120 RES NETWORK 10K 11236 767 161R10K 124 1080119 RES NETWORK 220K 8
55. 260 MASTER CPUB REV K REF INST DESIG P N FSC MANUFACTURER S P N 1029 1231408 002 11 DIGITAL 30 10 PAL 121793 1231408 002 1930 1230780 COUNTER TIMER 104713 1 6840 1031 1231136 MICROPROCESSING UNIT 162786 HD68000CP 8 1032 1231440 IIC MEMORY PLCC 121793 1231440 1933 1231417 001 11 121793 1231417 001 1034 1231417 002 11 MEMORY EPROM 21793 1231417 002 10100 1231129 IIC OCTAL BUS TRANSCEIVERS 18324 IN74LS645 1D 10101 1231118 IIC DIGITAL BUFFER 101295 SN74LS652DW 10102 1231092 IIC BUFFER 118324 74162440 1U103 1230986 IIC 8 COMPARATOR 107263 174 5215 10104 1231127 FLIP FLOP 104713 SN74LS74AD 10105 1231096 QUAD DIFF RECEIVER 101295 AM26LS32AcD 10106 1231124 IIC FLIP FLOP 118324 IN74LS374D 10107 1231126 IIC NAND GATE 118324 1745380 10108 1231128 ENCODER 101295 ISN74LS148D 10109 1231124 FLIP FLOP 118324 1 741 53740 10110 1231092 IIC TRI STATE BUFFER 118324 174152440 10111 1231093 QUAD COMPARATOR 104713 LM339D 10112 1231120 1 8 PARALLEL SERIAL OUT 5 118324 174HCT166D 10113 1231094 IIC DEMUX DECODER 118324 1 7416138 10114 115 1231137 MEMORY 121793 1231137 1 1230951 1 2 MICRO PWR REF DIOD
56. 260 Smart Card Block 4 2 Figure 4 2 1260 Microprocessor 4 2 1260 Series User Manual 1260 Series User Manual Chapter 1 GENERAL INFORMATION Introduction This manual provides the information necessary to install one or more of the Racal Instruments 1260 Series switching modules in a compatible chassis and to operate the switching modules correctly General 1260 switching modules are a range of size VXlbus compatible switching modules that provide switching for Information microwave RF audio high voltage high current low level and video applications The modules are configured as matrices multiplexers switching trees SPDTs and DPDTs Refer to Figure 1 1 which shows 1260 Switch Module in a chassis VXI CHASSIS ge 2 SWITCH MODULE CAPTIVE SCREWS CARD GUIDES Figure 1 1 1260 Series Switch Module General Information 1 1 1260 Series User Manual The switching modules are installed a VXlbus compatible chassis in a continuous set of adjacent chassis slots One of the modules to be fitted to the chassis must be designated the system Master and must be fitted with Option 01 All other modules are slaved to the master Refer to Figure 1 2 which shows the smart card and slaves The module fitted with Option 01 must be fitted in the leftmost chassis slot t
57. 41 5151 1 104 5 1231125 DIGITAL LINE DRIVER 127014 DS26LS31MN 196 1231122 IIC SOIC 101295 1SN74LS641 1DW 107 1230986 8 COMPARATOR 107263 174 5215 108 1231092 IIC TRI SFATE BUFFER 118324 17462440 109 1231118 DIGITAL BUFFER 101295 ISN74LS652DW 1 1010 1231129 11 BUS TRANSCEIVERS 118324 IN74LS645 1D 1011 1231093 IIC QUAD COMPARATOR 104713 11 339 1012 1231500 11 INPUT SHIFT REGISTER 118324 IN74F299D 1013 1231164 121793 1231164 1 1014 1231163 IIC MEMORY 121793 1231163 1015 1230980 DUAL JK POS EDGE TRIG 107263 174 1095 1916 1231094 DEMUX DECODER 118324 IN74LSi138D 1917 1231092 FIC TRI STATE BUFFER 118324 74L8244D 1018 1230986 8 BIT COMPARATOR 107263 174 5215 1019 1231162 121793 1231162 1020 1231124 IIC FLIP FLOP 118324 IN74LS374D 1021 1231121 QUADRUPLE 2 1 POS OR GATE 101295 18 74 320 1022 1231120 11 8 PARALLEL SERIAL OUT S R 118324 74HCT166D 1023 1231161 121793 1231161 1024 1231408 001 DIGITAL 16180 PAL 121793 1231408 001 025 1231408 003 DIGITAL 22 10 PAL 121793 1231408 003 1026 1231158 11 121793 1231158 1027 1231408 004 DIGITAL 22 10 PAL 121793 1231408 004 1028 1231156 MEMORY 121793 1231156 Parts Lists 6 7 1260 Series User Manual 401901 005 PCB ASSY 1
58. 65 5576 2 r vod Drawings 5 18 1260 Series User Manual 00 10606 86110 98581366 15 0921 58 804 2002 81 267 27 414217746 5 WO 51270059 40 4419345 ONY 5501401419395 HOL DINI NOLLYYOGHOONT HOS J0 53506834 HO 350 38 AWO ONY 5 3 3 19 034073430 51 15 AQ ILIV YH 20 NL LON TWHS ONY ONL 15 035072510 NIH VIVO ONY 149490200 5181 BOILON 131840 4 3015 LNSINOdWOO 1500 954 2 64 smm 00000000 81 0 0099 oen 00000000 5 lt SETNN
59. 9311 404782 ASSY LED FAIL 21793 404782 Parts Lists 6 6 1260 Series User Manual 401901 005 ASSY 1260 MASTER CPU REV REF IRACAL INST DESIG P N DESCRIPTION FSC MANUFACTURER S P N lt 1110126 ICAP 6 8UF 35 20 PERCENT 105397 1 355 685 035 5 2 1110143 1 1 UF 35V 20 PERCENT 105397 355 105 035 5 1 100 125 21 1801 10 195275 21206 103 1 126 R 21 1802 CHIP 100 195275 1 11206 104 1 127 128 1 21 1801 CHIP 10 NF 195275 1 71206 103 CR1 1211083 DIODE SILICON 181349 1N916B i 1601858 032 PCB PLUG 32 PIN 152072 CAS32MPF1B 1601858 032 PCB PLUG 32 PIN 152072 CAS32MPF1B 1601858 032 CONNECTOR PLUG 32 PIN 152072 532 1 1 1601858 032 CONNECTOR PLUG 32 PIN 152072 1 532 1 P4B 1601858 032 CONNECTOR PCB PLUG 32 PIN 152072 CAS32MPF1B 4 1601858 032 CONNECTOR PLUG 32 PIN 152072 1 532 1 8 5 6 1601710 003 CONNECTOR RT ANGLE SINGLE ROW 152072 503 23 09 191 1200320 ITRANSISTOR NPN 104713 MMBT3904 102 1200295 TRANSISTOR MOSFET 17856 10 103 1200320 1
60. 98 5525 24212519 Ale q So se ee 0 orsa pese 0894 574 55 594 sar SOT Esa 501 or 4 gt F7E u be vk bese 13535 ak 18941 999 194 SSW Y VHA 203 Se N 81 20 I 80 tersa 28 1899 ro Eee er 184 3235125 1 et or 2 Lee lt 57776185 6 LZ 94 Drawings 5 24 1260 Series User Manual rod rod 793 lt 00 1061 lt v 66 12 ON 1 301 3909 3215 Drawings 5 25 865 58 14 MOTYF NT ertor 2N vay Feng Tg St 23 BT 55 f 4 5 AG ron veswe 2 23 724 CAIN r rsa ae odo x HEZ 4 reste 512225 804 arot a A O I3NYd 1 08
61. Channel entered on exclude list twice 22 Module doesn t allow exclude function 23 Scan list too long 24 Module doesn t allow scan 25 Equate list too long 26 Module entered on scan list twice 24 Incompatible modules equated or digital modules invalid 21 SRQMASK invalid 40 Number invalid as a test number Operation 3 17 1260 Series User Manual 41 RAM test failure 42 ROM test failure 43 Non vol memory test failure 44 Incompatible operating system EPROMS software revisions 45 Self test CPU related circuitry failure 46 Self test 24 V supply failure 47 Self test timer chip failure 48 Insufficient RAM for option module 49 Checksum error reading from option module EPROM 50 Option module EPROM incompatible with CPU EPROM 51 Failed confidence test 55 Error STOREing to non vol memory 56 Error RECALLing from non vol memory 57 Non vol storage location number out of range 58 RECALLing from an empty non vol location not allowed 59 Non vol memory initialization required See description of TEST command for instructions on how to accomplished initialization 60 INCLUDE list too long 61 Channel entered on INCLUDED list twice 62 INCLUDE feature not supported by this module 63 Maximum number of INCLUDE lists exceeded 64 All relays on INCLUDE list must be in same module 65 Cannot INCLUDE previously EXCLUDED relays and vice versa 70 Improper or missed handshake
62. DOQ rpg 169 lt SSN Cl sooiociee 18 31 25 ON IN30 3215 GEE fer nd A 2222 HD H ering 8378 30 4 ET 20 3 298 vosy te vo f gone lt HNI iil Lal 2 E er 6 954 22 511 ET CSETE gt 5576 12 r Drawings 5 33 1260 Series User Manual gt 500 106109 66212 a 326 f L FINGON 1 0 LYWAS 39 0900000000000000 0000000000000000 3 002 814267 24 41421775 VOYY 0000990000000000 BR 9000000000002 coool ONT wove SDE Gey IN OANT 804 ONY _NOILYITIYAS 110 1318 0 93515345 35 1 SSII
63. DUCTOR DIV 1 SANTA ANA 56289 ISPAGUE ELECTRIC 1 6 61529 CORP 1 CUPERTINO 62559 8 INC RI 62786 AMERICA LTD 1 ISAN JOSE 65832 RESEARCH 5 ENGINEERING IL 65940 ROHM CORP LIRVINE 67349 PHILLIPS COMPONENTS INC LAGUNA HILLS 70903 BELDEN CORP IL 71400 BUSSMAN DIV IST LOUIS Parts Lists 6 9 List of Suppliers continued 71450 ICTS ELKHART IN 73138 INSTRUMENTS FULLERTON 73445 ELECTRONIC CORP HICKSVILLE NY 75915 LITTELFUSE t IDES PLAINES IL 78189 ILLINOIS TOOL WORKS INC SHAKEPROOF DIV ELGIN IL 83330 SMITH INC BROOKLYN NY 86928 SEASTROM GLENDALE CA 88245 LITTON PRECISION PRODUCTS IVAN NUYS 91637 DALE ELECTRONICS INC COLUMBUS 92194 WIRE I ELIZABETH 95275 INC BRIDGEPORT 98291 SEALECTRO CORP MAMARONECK NY ALLEGRO MICRO SYSTEM WORCHESTER Parts Lists 6 10 1260
64. E 127014 LM3B5BM 1 2 121 1080121 IRES NETWORK 3 3K 16P8R 111236 1767 163R33KS 122 1080116 IRES NETWORK 16P8R 10K 173138 628 AL 1030 123 1080120 IRES NETWORK 10K 16 15 111236 1767 161810 124 1080119 IRES NETWORK 220K 16P8R 191637 SOMC 1603 224K 12100 21031080120 IRES NETWORK 10K 16P15R 111236 767 161R10K 1 1 6531 1411901 005 OPTION 01 UNLOADED 121793 1411901 005 I 69 A R 1500022 BARE COPPER TIN 22 222 121793 1500022 i 71 2 1601277 28 106776 286 8 1 76 1 1602068 068 RECEPTACLE 68 PIN 155322 68 1601735 016 RECEPT 16 PIN 155322 151116632 1 8033 1615541 ISCREW 4 40 250 l l 9213 1610257 ISTANDOFF SWAGE 1 40 4 40 31 106540 19534 04403 9331 1404782 ICABLE ASSY LED FAIL 121793 1404782 1 95 1 1921423 ILABEL MARKING 121793 1921423 Parts Lists 6 8 1260 Series User Manual List of Suppliers FSC SUPPLIER 00779 INC HARRISBURG PA 01295 TEXAS INSTRUMENTS INC DALLAS TX 01526 IWAYNESBORO VA 02735 SOLID STATE DIV SOMERVILLE NJ 03508 GENERAL ELECTRIC SEMICONDUCTOR PRODUCTS AUBURN 04713 1 SEMICONDUCTOR PRODUCTS DIV l PHOENIX AZ 04946 STANDARD
65. IGITAL LINE DRIVER 8 TRI STATE BUFFER DIGITAL BUFFER OCTAL BUS TRANSCEIVERS JIC QUAD COMPARATOR 8 INPUT SHIFT REGISTER MEMORY MEMORY Ic DUAL JK POS EDGE TRIG F F DEMUX DECODER TRI STATE BUFFER 8 COMPARATOR MEMORY FLIP FLOP QUADRUPLE 2 1 POS OR GATE 8 BIT PARALLEL SERIAL OUT 5 8 IC MEMORY IC MEMORY IC MEMORY IC MEMORY IC MEMORY 05397 05397 95275 81349 52072 52072 52072 52072 52072 52072 52072 52072 04713 17856 04713 04713 04713 91637 65940 65940 91637 65940 65940 91637 56235 65940 65940 65940 65940 65940 71450 11237 18324 01295 18324 27014 27014 01295 07263 18324 101295 18324 04713 18324 21793 21793 07263 18324 18324 07263 121793 18324 01295 18324 21793 21793 22793 21793 21793 355 685 035 5 355 105 035 5 01206 103 18916 532 1 532 1 832 CAS32MPF1B CAS32MPF1B CAS32MPF1B 5038 23 09 CA S03R 23B09 MMBT3904 VNLOKM MMBT3904 MMBT3904 MMBT3904 CRCW 08 05SERIES 18825 7 18 2 7 5 PCT 08055 18 100 5 MCR186 04KFW CRCW 0805SERIES 50705 2211 30 18 330
66. LOCK input on and drives the CLKIN signal CLKIN is gated to the correct input shift register through U54 and U55 as determined by the lower order address bits from 062 061 9 is used to split the address space on the board between the relay space and the identification byte space During the slave s state S24 the master will raise the STROBE line for one state transferring the shift register s data into the relay latch The relay latch then drives a sinking current driver to control the relay coil If a read cycle is being executed and applies to the relay board CLKDENA goes high from state S15 to S21 and U53 gates its CLOCK input on and drives the CLKOUT signal CLKOUT drives all of the read back shift registers During state S15 SH LD goes low and the data at the parallel inputs of the shift registers is loaded in The relay data is derived from the relay coil drive voltage and is divided by a 220K and 47K resistor set The identification byte register is also loaded and shifted out but its inputs are wired to a specific value used by the system to identify the type of card being accessed Each read back shift register s output is routed to a multiplexer 070 071 072 The required output is selected by the address as presented by U62 and U61 This data is routed to the line driver U51 which is enabled by U53 s DIN OUT signal which goes low when CLKDENA is high and RD WR is high 1260 Series User Manual Chapter 5
67. NN SALON 600 10 16 6 71 NMOHS 3015 IN3NOdHAOI NOSY 1 38800 ONY TIYIS lt 15 30 495505 30 LLON 5 440 81070 SIHOUMS 504 NO 57071 SBHOUMS 7154 NOLUSOd 330 SI 2 5 504 C 3 5 2664 824 IHL 30 3015 JHL 804 66 OL 001 HONS 3015 INJNOdWOD JHL 403 66 OL WOM SHOLVNOISSC 79 SZ 6 W3LI assy TAV TWISNIXG GYYOB 40 3015 AN3NOdNOD SLE 40 LHOGH JHL 332 3 LON LSNW SININOJNOD TW 6 JINGOW HILIM dIHS 08 WIL 941 ONY 9 8 O ZEN 40 LND Drawings 5 34 1260 Series User Manual 1 30 3009 325 E I NGI 0921 3 25 2002 8 226 1 315 p 031212345 5 SSSINN 5310 NI 90151534 45 5 SSSINN SOVUVIOWIIN SINIYA 112 2 SWWO S3NIYA 90151533 God 3015 5 804 667 OL OOF ONY BOIS 1 804 65 OL 2 58 1 51530 931534402 51 Nid SIHL
68. PDATAOUT lt module address gt lt module address gt This command causes the specified switching modules to output the present state of the relays contained in those modules An example character string output by the Option 01 response to a PDATAOUT 0 12 is given below 000 Model 1260 Universal Switch Controller 000 OS Rev 1 2 1260 012 1260 40A 4 x 24 signal matrix 012 0219 012 END This example shows that a 1260 Controller with an operating system revision level of 1 2 is present at module address OOO There is also a 1260 40A module present at address 012 and row 2 of the switching matrix is connected to column 19 NOTE The module address for PDATAOUT and PSETUP commands may specify a range of module addresses by using the syntax lt start module address gt lt end module address gt The Option 01 will output data for all modules between the starting and ending module addresses that are installed in the 1260 NOTE The switching module configuration is described in the same format as is required by the OPEN and CLOSE commands NOTE The address obtained for the 1260 Universal Switch Controller is not the address of the slot 0 Resource Manager or the logical address of the 1260 01 It is equivalent to the module address of a switching module and is always 000 NOTE The character string output by the Option 01 is made up of multiple lines and contains carriage return line feed pairs These may terminate
69. RESET DATA ADDR BUS CPU CTRL BUS 1260 Series User Manual VME BUS 5V 24V XiIbus INTERFACE RESET TTL TRIG LBUS INTERFACE Figure 4 1 1260 Smart Card Block Diagram VME Signals MODID TTL Trigger IRQ 0 7 ACK OUT Local Bus SYS RESET 5 Volts 24 Volts Bus Interface 68000 Interupt Logic RAM Local Bus Interface Reset Logic Timer Figure 4 2 1260 Microprocessor Block Diagram Theory of Operation 4 2 1260 Series User Manual Theory of Operation Power Suppliers Microprocessor Block DC power for the 1260 01 is derived from the VXI backplane via its host switch card 5V supply is used to operate all of the logic on the Master and Slave boards A 24V supply is used to supply relay coil drive and the 24V supply is monitored by 0116 the 1260 01 to ensure the relay coil drive voltage is available The microprocessor block accepts commands from the interprets the commands and sends the required data to the appropriate relay card via the Lbus interface A simplified block diagram is given in Figure 4 2 The microprocessor is a Motorola 68000 operating at 8 MHz This block also contains ROM RAM EEPROM address decoding interrupt logic a counter timer and general purpose input and output ports The program memory consists of two devices U33 and U34
70. These devices provide 64K by 16 optionally 128K by 16 of program memory as selected by W2 The OE of U33 and U34 is controlled by a PAL U2 and programmed as follows MLOE goes low when R W is high LDS is low MHOE goes low when R W is high and UDS is low The system RAM consists of U114 and U115 These devices provide 32K by 16 of memory The OE of U114 and U115 is also derived from U24 in addition to their WR signals U24 is programmed as follows MLWE goes low when LDS low MUWE goes low when R W and UDS are low The EEPROM is an 8K by 8 device and is configured for 6800 peripheral timing PPWE goes low when is low and the clock is high The non volatile is qualified by U21a with NVENB which is generated by the reset circuitry This prevents false writes to the EEPROM during power up and power down sequences ensuring memory integrity The time delay between writes to the EEPROM is controlled by the system software Address decoding is performed by a PAL U23 This device provides the necessary logic to map the other devices into the Theory of Operation 4 3 Reset Circuits Theory of Operation 4 4 1260 Series User Manual microprocessors memory map This device also provides the necessary DTACK or VPA signals for the microprocessor depending on whether the selected device is a 16 bit device or a 6800 peripheral LDTACK is an input to U23 and
71. This comparator also provides hysteresis due to Z4c to prevent oscillation as the capacitor voltage crosses the reference voltage The HALT signal is the hardwired logical OR of three signals Q1 buffers the reset signal from the backplane and drives HALT U111d buffers the low 5V sense signal from U11d and also drives HALT U111a inverts HALT to provide the non inverted RESET signal while U111c buffers HALT to provide the board s inverted RESET signal U111b and Q100 provide a high powered BPRST signal for the switching cards in the 1260 Series switching system via the Lbus The 24V supply from the backplane is divided by 22 Z2c and R102 and compared to the reference voltage by U11b This comparator drives the general purpose input port which is read by the microprocessor The 1260 01 implements a VXI message based device protocol The VXI Interface contains the circuitry necessary to pass commands data and TTLTRG synchronization signals between the VXI bus and the 68000 microprocessor The VXI interface is accomplished using three busses the external VXI bus an internal replica of the VXI bus and the microprocessor s bus The data lines for the two VXI busses are connected using U10 and U100 for the data lines Similarly U8 and U17 buffer the address and control signals Data bus transfers are controlled by sequencer U26 51 is used to select the logical address for the module while U7 and U103 decode the externa
72. USER MANUAL SERIES 1260 VXI SWITCHING CARDS PUBLICATION NO 980673 999 RACAL INSTRUMENTS Racal Instruments Inc 4 Goodyear St Irvine CA 92618 2002 Tel 800 RACAL ATE 800 722 2528 949 859 8999 FAX 949 859 7139 Racal Instruments Ltd 480 Bath Road Slough Berkshire SL1 6BE United Kingdom Tel 44 0 1628 604455 FAX 44 0 1628 662017 Racal Systems Electronique S A 18 Avenue Dutartre 78150 LeChesnay France Tel 33 1 3923 2222 FAX 33 1 3923 2225 Racal Systems Elettronica s r l Strada 2 Palazzo C4 20090 Milanofiori Assago Milan Italy Tel 39 0 2 5750 1796 FAX 39 0 2 5750 1828 Racal Elektronik System GmbH Technologiepark Bergisch Gladbach Friedrich Ebert Strasse D 51429 Bergisch Gladbach Germany Tel 49 2204 8442 00 FAX 49 2204 8442 19 Racal Instruments Ltd Unit 5 25F Mega Trade Center No 1 Mei Wan Road Tsuen Wan Hong Kong PRC Tel 852 2405 5500 FAX 852 2416 4335 http www racalinstruments com PUBLICATION DATE FEBRUARY 24 2003 Copyright 2001 by Racal Instruments Inc Printed in the United States of America All rights reserved This book or parts there of may not be reproduced in any form without written permission of the publisher Thank you for purchasing this Racal Instruments product For this product or any other Racal Instruments product that incorporates software drivers you may access our web site to verify and or download the l
73. WIRE 8 CABLE RANCHO DOMINGUEZ 05397 CARBIDE CORP MATERIALS SYSTEMS DIV CLEVELAND 05972 LOCTITE HARTFORD CT 06383 1 CORP TINLEY PARK IL 06540 ELECTRONIC HARDWARE ROCHELLE 06776 ROBINSON NUGENT INEW ALBANY 07263 1FAIRCHILD SEMICONDUCTOR DIV 1 MOUNTAIN VIEW 08261 SPECTRA STRIP CORP GARDEN GROVE 09922 BURNDY CORPORATION NORWALK 11236 CTS OF BERNE BERNE IN 11237 ICTS KEENE ROBLES 16956 DENNISON FRAMINGTON l 17856 ISILICONIX INC CLARA FSC SUPPLIER 18324 ISIGNETICS INC SUNNYVALE 21793 RACAL INSTRUMENTS INC 22526 DUPONT CONNECTOR 1 1 CUMBERLAND 27014 INATIONAL SEMI CONDUCTOR CORP SANTA CLARA 29005 STORM PRODUCTS ILOS ANGELES 1 51506 SCREW MACHINE NUTLEY 52072 ASSY CORP 52210 8 SPRING MILLS 53387 ITHREE 3M IST PAUL MN 55322 SAMTEC INC NEW ALBANY 56235 PRECISION STDS CORP BIRTCHER SEMI CON
74. XI chassis NOTE The module address for PDATAOUT and PSETUP commands may specify a range of module addresses by using the syntax lt start module address gt lt end module address gt The Option 01 will output data for all modules between the starting and ending module addresses that are installed in the 1260 1260 Series User Manual PUPRCL READ RECALL RESET PUPRCL lt ON OFF gt This command enables and disables the automatic recall of non volatile memory location 1 at power up The configuration in non vol location 1 is stored by the use of the STORE command Refer to the appropriate paragraph for details of the STORE command NOTE If non volatile location 1 is cleared and PUPRCL is ON no recall will take place at power up READ lt module address gt lt module specific syntax gt This command is supported by digital cards only Refer to the individual module sections for a description of the syntax and functions performed RECALL lt non vol location gt where lt non vol location gt 1 2 50 This command will set all switching modules the VXI chassis to the configuration stored in the non volatile location specified The physical location of the modules in the chassis slots is unimportant as long as the same type modules are at the same module addresses as when the switching system configuration was stored and the rules governing module locations are observed Note that an error will be g
75. acot 7 MS Drawings 5 13 1260 Series User Manual I 6 5 106169 66416 8 00 18 810105 1959 esa 990 25838158 0184 090 0 931 1936 151761052 94 CSERE ora HOT HOT 2 10072 0 2 NOF 16072 0072 00072 05 553800 01 30 01100 6NI gino 481 LINO 9NI 8100 SINO YNI vino ELNO ZNI Zino TINI 60072 2 00072 LISE 2 061 859 9 5 821 Eg 161938 5 0453 590072 30072 00072 voor Nng vivo 8 5 2 97192545 gt gt vd Y3LSI934 86070 Brod SSA Boa SH Tg Ol va 252 aia F AS ODA LNI 016 tetera 9170 SNI pre a cine a 894 1358442 854 INI 5 AG O 83151994 6 1 15 gt 1260 Series User Manual gt 6 16 ON 1 301 3
76. and is polarized to ensure correct installation Proceed to Subsection 2 5 to set the interrupt level and logical address of the Option 01 Installation Instructions 2 3 Interrupt Level and Logical Address Setting 1260 01 Equipped Modules Only Installation Instructions 2 4 1260 Series User Manual If not previously done remove the module s top cover To set the 1260 01 logical address set switch SW1 on the 1260 01 board to the binary equivalent of the logical address selected For SW1 a switch in the OFF position corresponds to binary 1 and the ON position corresponds to binary 0 Switch 1 SW1 corresponds to the most significant digit and switch 8 corresponds to the least significant digit Logical addresses in the range 0 to 255 are permitted Refer to Figure 2 1 for the location of SW1 NOTE The 1260 01 logical address is set to 15 by Racal Instruments before shipment All switching modules resident a VXlbus chassis must have unique addresses Incorrect operation of the system will result if two or more modules are set to the same module address To set the 1260 01 interrupt level set switches 1 2 and 3 on SW2 on the 1260 01 board to the binary equivalent of the interrupt level selected For SW2 a switch in the OFF position corresponds to binary 1 and the ON position corresponds to binary 0 Switch 1 on SW2 corresponds to the least significant bit and switch 3 corresponds to the most significant bit
77. atest driver versions The web address for driver downloads is http www racalinstruments com downloads You will be asked to register one time only to gain access to the driver and product manual downloads sections At registration a cookie will be placed on your computer if you choose to accept it This is done to facilitate your use of these sections on future visits You may refuse to accept the cookie and still have complete access to the software driver database but will have to re register every time you visit This cookie is for ease of use only and no information is gathered for sold or reported to any third party organization If you have any questions about software driver downloads or our privacy policy please contact us at info racalinstruments com WARRANTY STATEMENT All Racal Instruments Inc products are designed and manufactured to exacting standards and in full conformance to Racal s ISO 9001 procedures This warranty does not apply to defects resulting from any modification s of any product or part without Racal s express written consent or misuse of any product or part The warranty also does not apply to fuses software non rechargeable batteries damage from battery leakage or problems arising from normal wear such as mechanical relay life or failure to follow instructions This warranty is in lieu of all other warranties expressed or implied including any implied warranty of merchantability or fitness
78. e e 5 1 Chapter 6 6 1 7 Product Support sieer nierces inier 7 1 Reshipment 7 1 a ean 7 2 1260 Series User Manual List of Figures Figure 121 1260 Series Switch Module sees 1 1 Figure 1 2 1260 Series Smart Slaves 1 2 21 1260 01 2 2 Figure 2 2 Switching Module Connector Switch Location 2 2 Figure 2 3 1260 40 Switch Connector and Jumper Location 2 3 Figure 2 4 51 Switch FUNCOM 2 5 Figure 2 5 1260 Series Master and Slave LBUS Interconnections 2 6 Figure 2 6 LBUS Lockout 2 7 Figure 2 7 1260 Series Master Slave Configuration 000 2 8 Table 3 1 1260 Option 01 Status Byte 3 15 Table 3 2 1260 Series Error 2 0 0 3 17 Figure 4 1 1
79. e relay latches look as though they are memory mapped in the microprocessors address space and because of the ability to add wait states to the microprocessors s bus cycle this process is entirely transparent to the user The Lbus interface state machine is implemented in a master and slave configuration where the master is part of the microprocessor card and slaves are part of each relay card The master state machine is implemented in two 22V10 PALs three shift registers and three differential line drivers U14 is the primary state machine and controls the state transitions for all data transfer activities The master state machine has 27 states where state SO is the dormant state When the state machine detects that its select line LBUS input are both low it will proceed to state S1 otherwise it will remain at state SO During state S1 LD SH is lowered and the 13 lowest address lines are loaded into U22 and U112 During states S2 and 14 the address data is shifted through a multiplexer U13 and line driver U4 onto the Lbus This data is received by all relay cards in the system and the four most significant bits of the 13 are used to select a specific card If the microprocessor was executing a write cycle the data would be loaded into data shift register U12 during state S1 This register would be held in its hold mode until state S18 where it is allowed to shift its contents out via the multiplexer U13 and line dr
80. e the instrument from the carton preserving the factory packaging as much as possible Inspect the switching module for any defect or damage Immediately notify the carrier if any damage is apparent Before use have qualified personnel perform a safety check Use the original packaging when returning the switching module to Racal Instruments for calibration or servicing The shipping carton and packaging will provide the necessary support for safe reshipment If the original packaging is unavailable wrap the switching module in plastic sheeting and use plastic spray foam to surround and protect the instrument Reship in the original or a new shipping carton To install Option 01 to a 1260 switching module carry out the following procedure Remove the module top and bottom covers Remove the jumper board Racal Instruments P N 401951 fitted to connector J4 on the switching module Note the 1260 40 has jumpers installed in the J4 connector that must be removed Remove the jumper board Racal Instruments P N 401951 003 fitted to connector J3 on the switching module Align the 1260 01 card with the switching module P3 to J3 P4 to J4 and press the 1260 01 and the module firmly together to mate Installation Instructions 2 1 1260 Series User Manual the P3 and P4 connectors taking care not to bend or damage any pins on the mating connectors Refer to Figures 2 2 and 2 3 for the location of J3 and J4 Secure the 1260 01 card to the
81. enerated if an attempt is made to RECALL a memory setting into a switching system configuration that differs from the configuration present when the memory setting was stored An error will also be generated if an attempt is made to RECALL a memory setting from an empty location RESET NOTE A delay of at least 100 msec may be required after a RESET command before issuing the next command This command causes all switching modules to be set to their de energized states Operation 3 11 5 Operation 3 12 1260 Series User Manual SCAN lt ON OFF CONT gt The SCAN ON command enables the Option 01 to open and close the channels as specified in the scan list in turn Each channel is closed on receipt of a trigger signal from one of the VXIbus TTLTRG lines or the trigger command is received The Option 01 will scan the channels until it reaches a break point or the SCAN OFF command is received Refer to Section 3 4 16 for further information on the scan list The SCAN CONT command causes the Option 01 to resume scanning the channels on the scan list after pausing at a break point in the scan list The Option 01 will continue to scan until it reaches a break point on the scan list or it receives the SCAN OFF command SCAN OFF causes the 1260 Series to stop scanning Scanning may only be resumed by the use of the SCAN ON command NOTE The SCAN command may also be used to recall non volatile me
82. es the Option 01 to regard the channel closures specified in the lt exclude list gt as mutually exclusive A channel is described in the lt exclude list gt by the slot number of a switching module and module specific syntax to describe the relay closures in a channel Refer to the individual module sections for the module specific syntax of the various switching modules available More than one lt exclude list gt may be specified in an EXCL statement by separating the Exclude groups with the letter E and a semi colon E Continuous groups of modules may be entered onto the lt exclude list gt by entering the first and last modules to appear on the list joined by a hyphen NOTE Use of the EXCL command will overwrite all previously entered lt exclude list gt s An lt exclude list gt of 0 may be used to clear all exclude groups OPEN lt module address gt lt module specific syntax gt lt module address gt lt module specific syntax gt This command causes one or more connections on a switching module to open Any number of connections in more than one slot may be opened in one OPEN statement if the lt module address gt lt module specific syntax gt sections are concatenated using a semi colon Refer to the individual module sections for the lt module specific syntax gt to be used for each switching module 1260 Series User Manual Operation 3 7 PDATAOUT Operation 3 8 1260 Series User Manual
83. hat is to contain a switching module If only one module is to be fitted to the chassis several jumper wires must be removed from or DIP switches opened on the switching module If more than one module is to be fitted to the chassis these jumpers must be removed from or the DIP switches opened the module in the rightmost chassis position containing a switching module NOTE you are using seven or more 1260 series modules you must add a termination jumper to the module on the far right See Chapter 2 Two separate addresses are required in the use of a 1260 switching system The first is the VXlbus specification defined logical address used by the chassis Resource Manager and the second the card address is an address used by the 1260 Master to control the cards slaved to it The card address is used in the device dependant commands used to control the switching modules The logical address is set by a DIP switch on the 1260 01 Smart Card and the card addresses are set by a DIP switch on the switching module PCB Tm gt VXIBUS BACKPLANE P2 180 1260 SERIES SLAVE SLAVE Figure 1 2 1260 Series Smart Card and Slaves General Information 1 2 1260 Series User Manual Options Option 01 The Option 01 Smart Card Master is required for use in all 1260 switching systems This option acts as the switching system master and all other switchi
84. iver U4 to the Lbus Alternatively if the microprocessor was executing a read cycle then data shift register U12 would shift in 1260 Series User Manual the data from the slave state machine during states S17 through 24 and hold the data for states S25 and S26 to allow the microprocessor to read the data back In both cases the state machine generates the LDTACK signal for the microprocessor which is combined with the other DTACK signals in the address decoder PAL U23 making data transfers to the slaves transparent to the microprocessor program Each slave relay card has a slave state machine These state machines track the master state machine during the address transfer portion of a data transfer cycle The slaves receive five signals from the master which are a Clock which only toggles during a transfer cycle to reduce noise induced into the relay cards b A D which distinguishes between address and data transfers R W which distinguishes between read write cycles d STROBE which transfers the newly written data into the relay latches at the end of a write cycle e DATA which is bi directional line for transferring address and data between master and slaves The slave state machines in the system remain dormant until the master needs to transfer data to or from one of them The master applies a clock signal to the Lbus and raises the A D line to indicate the start of a transfer As a result the sla
85. l L 21793 CODE IDENT SIZE m a u z 8 8 5 25 5 95 ao gt on an 0 u gt on an a 5 ue 2 7 u a a 5 55 9 on an 95 5 gt Drawings 5 22 1260 Series User Manual 781506 106 5 143200 ON 14301 3009 3215 SSA 1542 9 22 000125 2 1 NIJ 5 ASt 234 WS3LSAS 8791 0911 124 80 9 8 CTE cou CED 3 r oo ro tO TI 2 ETA E Z Nid 95229 2 1 NIJ Eg pee WALSAS 1197 SLAG 3148 Et FF 6 Drawings 5 23 1260 Series User Manual eoo osieb 66418 ON 00 ON 1301 3009 3215 gt sra gt 01
86. l relays closed as a result will stay closed when the next scan entry is executed unless the next scan entry is another non volatile recall location With the normal lt module address gt lt channel gt entry the current scan entry is opened before the next is closed The range of values of lt module address gt is from 1 to 12 Switching channels are closed if lt channel gt is a module specific statement If a non volatile memory setting is used it must be an integer value between 1 and 50 A break point in the scan list will cause the Option 01 to stop scanning after opening the previous channel A break point in the scan list is defined as the character zero 0 delimited by semi colons 0 Scanning is resumed only after receipt of the SCAN CONT or SCAN ON commands SCAN CONT will cause the Option 01 to resume scanning from the scan list break point it was paused at and the SCAN ON command will cause the Option 01 to resume scanning from the beginning of the scan list If the Option 01 pauses at a scan list break point bit 4 of the GPIB status byte Scan list at break point is asserted and SRQ asserted if the SRQMASK permits Refer to Section 3 4 17 for further information on the SRQMASK command Operation 3 13 SRQMASK Operation 3 14 1260 Series User Manual SRQMASK lt 32133 254 255 gt This command controls the circumstances under which the Option 01 will cause a VXI GPIB Resource Manager to assert SRQ by
87. l address and address modify lines The internal VXI bus is connected to the microprocessor s bus through several registers as defined in the VXI specifications Actual interfacing of the registers to the 68000 s bus is accomplished using U23 to control the handshake U113 as an address decoder and U109 as a general purpose register The other VXI defined registers are implemented as follows ID and Device Type Registers U19 Status and Control Register U28 Protocol Register U19 Response Register U29 Theory of Operation 4 5 The Lbus Interface Theory of Operation 4 6 1260 Series User Manual Data Low Register U9 and U101 Event Register U20 Logical Address Register U102 TTLTRG lines are used by external devices to open and close the signal paths as specified by previously received SLIST commands from the Slot 0 controller Each of the TTLTRG lines corresponds to a different channel number The microprocessor selects TTLTRG lines through address decoder U113 register 4106 and multiplexers U1 and U3 U1 is used for output while U3 is used for input U2 is a buffer which drives the selected output TTLTRG lines The Lbus interface is the vehicle through which the microprocessor controls the relay cards in the system It is a state machine which transmits the microprocessor s address and data serially through the Lbus to the switching modules in the switching system The state machine makes the transfer of data to and from th
88. m being installed To provide the necessary clearance move the first Lockout key away from the module body and slide the second key underneath the first key and around the ejector handle To secure the A C Lockout keys to the module align the Lockout keys screw holes with the holes in the module front panel Install two screws in the holes at the top of the module front panel and tighten the screws Move the ejector handle to the ejected position and install a third screw in the hole now made accessible Before installation of the switching module visually inspect it to ensure there are no bent damaged or missing pins Pay particular attention to connectors P1 and P2 on the rear of the module Repair any damage to the module before proceeding Before installing the switching system Master the VXlbus specification defined IACKIN IACKOUT daisychain connection for the chassis slot the Master will be resident in must be open circuited This is accomplished in the Racal Dana Model 1261 or 1262 chassis by opening the switch fitted on the daisychain Note In later revisions of the 1261 and 1262 chassis open circuiting is accomplished automatically when a module is installed into the chassis See the appropriate chassis manual for more information The switch used is the higher of the two switches on the lower switchbank to the left of the slot the Master is to be fitted to Note that other vendors may choose to implement the daisychain with
89. mory settings in turn SETUP lt module address gt lt seqmode gt This command is used to control the sequence in which switching modules relays are opened and closed The sequence modes lt seqmode gt s are IMM Immediate BBM Break Before Make and MBB Make Before Break The Immediate IMM sequence mode will cause the opening and closing of switching module channels as quickly as possible and the sequence of opening and closing is indeterminate Care must be taken to avoid damaging connections while the switching module is a state of transition short circuiting power supplies to ground connecting high power outputs together or applying excessive power to low impedance inputs The Break Before Make BBM sequence mode causes existing channel closures to be opened before new channel closures are made BBM is the default power up state The Make Before Break MBB sequence mode causes new channel closures to be executed before existing channel closures are opened 1260 Series User Manual SLIST SLIST lt scan list gt where lt scan list gt is lt module address gt lt channel gt lt module address gt lt channel gt This command enters the slot and channel information to be used in the scan list while in the SCAN mode NOTE Non volatile memory locations may be specified instead of a lt module address gt lt channel gt It should be noted that if a non volatile location is used al
90. ne Call before shipping Ship instruments to nearest support office Note We do not accept listed on back collect shipments Product Support 7 3
91. ng modules are slaved to it It turns any number of modules into message based switching system The smart card is addressed over the VXlbus and all other modules resident the chassis are controlled by this card Option 01 uses the local bus on the VXI P2 connector to provide scanning delay and exclude capabilities The built in test features in the smart card include confidence checking which monitors the state of each relay It monitors a spare set of contacts or sensing coil current to ensure the switching system configuration is as programmed Refer to Section 2 for software installation procedures for the 1260 01 and to Section 3 for the software command set used to control the switching modules The sections on individual modules describe the device specific installation and programming for each module General Information 1 3 1260 Series User Manual This page was left intentionally blank General Information 1 4 1260 Series User Manual Chapter 2 INSTALLATION INSTRUCTIONS Introduction Unpacking and Inspection Reshipment Instructions Option 01 Installation This section describes the unpacking and inspection reshipment installation and environmental requirements of the 1260 Series switching modules Prior to unpacking the switching module check the exterior of the shipping carton for any signs of damage All irregularities should be noted on the shipping bill Remov
92. of the mainframe 1260 Series User Manual Introduction Input Format Output Format Chapter 3 operation This Chapter supplies the information necessary to operate 1260 Series switching modules housed chassis It describes the command codes and module specific syntax needed to control the 1260 Option 01 and switching modules and the formats for the character strings output by the switching modules The Option 01 is capable of recognizing any of the device dependant commands given in this chapter from the first two characters of the command with the exception of the READ RESET and RECALL commands which may be recognized from the first three characters of the command The Option 01 will interpret a command in the same way if a command string supplies the first two or three or more characters of the command string The Option 01 will respond to the following terminators line feed carriage return line feed carriage return line feed with EOI asserted GPIB line EOI asserted when used with a GPIB VXI Resource Manager The Option 01 switching module will output character strings in response to the PDATAOUT PSETUP and YERR commands These character strings consist of one or more lines of information that will be terminated by the carriage return line feed pair with the GPIB EOI line asserted as determined by the EOI 0 command This means the character string output by the Option 01 may be required to
93. on digital I O Note Denotes a fatal error Operation 3 18 1260 Series User Manual This page was left intentionally blank Operation 3 19 1260 Series User Manual Chapter 4 Theory of operation Introduction Functional Blocks This section describes the theory of operation of a 1260 Series switching system as configured from a 1260 01 Smart Card and a 1260 Series switching module The 1260 40 switching module is used as an example and the reference designators for that card are used in the circuit descriptions given in this section This section begins with a block diagram description of the switching system and extends the description to a discussion of the circuit action that takes place in the 1260 01 and 1260 40 at the component level The 1260 01 Switch Controller board consists of the following functional blocks a The Microprocessor Block b The VXlbus Interface Block Lbus Interface Block The functional relationships between the blocks of the 1260 01 is illustrated in Figure 4 1 Switch configuration information is received from the VXlbus via the VXlbus interface and routed to the microprocessor block commands received interpreted by the microprocessor block and the corresponding switch control information is transmitted to the appropriate switch module via the Lbus interface Theory of Operation 4 1 MICROPROCESSOR DATA ADDR BUS CPU CTRL
94. ore the present state of all switching modules resident in the VXI chassis in the non volatile memory location specified A STORED configuration must be recalled into the same module set as was stored Any changes in module location will be disregarded as long as the same module types are at the same module addresses as were stored Operation 3 15 SYNC TEST Operation 3 16 1260 Series User Manual SYNC lt 011121314 5 6 7 8 gt The commands SYNC lt 0 1 2 3 4 5 6 7 gt connect the selected SYNC output to the corresponding TTLTRG line SYNC 8 disconnects the SYNC output from the TTLTRG lines and is the default power up state TEST 0 lt testnumber gt where lt testnumber gt 1 2 3 This command causes the Option 01 to carry out a self test The possible tests are Non Destructive RAM Test EPROM Checksum Test Non Destructive Non Volatile Memory Test NOTE IF non vol memory initialization is required use the TEST 0 3 command to accomplish the initialization Non vol initialization will only be accomplished in the event of a firmware revision change or if corruption of the non vol is detected If these conditions have not occurred the TEST 0 3 command will be executed without reinitializing the non vol memory If non vol memory initialization is required the contents od the non vol are invalid and will be erased during initialization On commencing a test the Ready bit of the status byte is reset until the tes
95. ponsibility to configure each module with the correct lockout key unless they are ordered specifying the modules that are to be the leftmost Master module the rightmost module in the group and the modules between the leftmost and rightmost modules Refer to Figure 2 6 which illustrates the three LBUS Lockout keys used and to Figure 2 7 which shows a 1260 Master Slave configuration Figure 2 6 LBUS Lockout Keys Racal Instruments implements the LBUS lockout scheme in one of three ways for each module as follows VXIbus Defined Key The LBUS Lockout key Racal Instruments P N 455541 is fitted to the leftmost module in the group the 1260 Master It is connected to the LBUS to the right of the module and the connection is TTL compatible VXIbus Defined A Key The LBUS Lockout key Racal Instruments P N 455542 is fitted to the rightmost of the modules installed in a VXlbus chassis It is connected to the LBUS to the left of the module and the connection is TTL compatible Defined A C Key Installation Instructions 2 7 12 1260 Series User Manual The BUS Lockout key Racal Instruments P N 455540 is fitted to all modules that are not the leftmost or the rightmost module in the group The module is connected to the LBUS both to the left and to the right and the connection is TTL compatible A special case arises if only one module is to be installed in a VXlbus chas
96. sis This configuration requires the Option 01 be installed and the LBUS be open circuited to the right of the module This will not require any use of the LBUS and no LBUS Lockout keys are required Refer to Figure 2 6 which illustrates the three LBUS Lockout keys used and to Figure 2 7 which shows a 1260 Master Slave configuration LBUS LOCKOUT KEYS instruments SERIES ooo RESOURCE MANAGER 1260 SERIES MODULE WITH 1260 SERIES OPTION O1 SLAVES SMART CARD MASTER Figure 2 7 1260 Series Master Slave Configuration Installation Instructions 2 8 1260 Series User Manual Switching Module Chassis Installation LBUS Lockout Key Installation In order to accomodate the VXlbus specification defined minimum thickness of the LBUS Lockout keys and the clearance provided around the module ejector handle two LBUS Lockout keys must be fitted on top of each other to each module To install the A and C keys on a module align the screw holes in the Lockout keys with the appropriate holes in the module front panel Fit the two screws required and secure the Lockout keys to the module front panel To install A C Lockout keys to the module the module ejector handle must be in the unejected position The first key may be pushed around the ejector handle and aligned with the front panel screw holes This takes up most of the clearance under the ejector handle preventing the second Lockout key fro
97. t is completed If self test passes the 1260 01 will return a hexadecimal 7F If it fails an SRQ is generated and the operator must send a YERR command to determine the actual error 1260 Series User Manual TTLTRG YERR TTLTRG lt 0 1 2 3 4 5 6 7 8 gt Commands TTLTRG lt 0 7 gt cause the connection of one of the eight TTLTRG lines to a selected switching card TTLTRG 8 deselects the TTLTRG line selected WRITE lt module address gt lt module specific syntax gt This command is supported by 1260 digital cards only Refer to the individual module sections for a description of the syntax and functions performed YERR This command causes the master switching module in a system to transmit the location lt module address gt of the most recent error and a two digit number lt error number gt that describes the error Refer to Table 3 2 for a listing of all possible values of lt error number gt and the corresponding error descriptions Table 3 2 1260 Series Error Codes lt error number gt Error Description 0 No error 1 Invalid module number specified 2 Specified module not installed 3 Invalid channel number specified 4 Invalid port number specified 5 Command syntax error 6 Read value larger than expected 7 Function not supported by module 8 Expected line terminator not found 9 Valid command not found 20 Exclude list too long 21
98. the address of the module must be set to 5 Several modules are capable of more than one configuration and respond to different command codes their various configurations Switches 5 and on SW1 are used to select the command code sets these modules respond to Refer to the module specific sections for the procedure to set the switches for each module For the 1260 40 only replace the switching module covers Replacement is the reverse of the removal procedure Installation Instructions 2 5 Local Bus Daisychaining 1260 Series User Manual All modules slaved to a master must be daisychained together along the VXI Local bus to allow communication between the Master and its Slaves The modules must also be isolated from the rest of the VXI modules on the local bus The daisychaining of the Master and Slaves is implemented by the LBus Jumper PCBA Racal Instruments P N 405951 fitted to connector J4 on the modules and closing the S2 and S3 switches fitted to the underside of the module The jumper board connects the local bus to the module from the left and the switches connect the module to the local bus on the right of the module The module fitted to the rightmost slot used must have all switches open to isolate the 1260 group from the rest of the VXI modules using the local bus Note the 1260 40 has jumpers in positions E126 E136 instead of DIP switches Refer to Figure 2 5 which shows the LBus daisychaining required by a 126
99. ve state machines will lag the master by one state and has only 26 states Note that the following description of the slave state machines use the 1260 40 switching module as an example and the reference designators referred to apply to this assembly only The principles of operation are however identical for all relay assemblies within the 1260 Series The slave state machine is implemented in a 22V10 PAL U52 and it tracks the states and provides the control signals for the switching module When 052 receives a clock signal and A D is high it proceeds from state SO to S1 through to S13 and starts clocking the address data into shift registers U62 and U61 using the CLKADDR signal From state S14 to the end of the transfer CLKADDR remains high maintaining the address data at the shift register s outputs The four highest address bits transferred to the slave are routed to a comparator U56 and compared to the board address as set by SW1 If there is a match BOARDENA goes high indicating that the data to be read or written pertains to this card BOARDENA is read by the state machine U52 and if it is high during state S14 the state machine Theory of Operation 4 7 Theory of Operation 4 8 1260 Series User Manual will proceed to state 515 If it is not then it will return to state SO If the state machine proceeds to state S15 and a write cycle is being executed then CLKDENA goes high from state S16 until 21 and U53 gates its C
100. while R112 acts as a pullup when the switches are not used U106 is an output port which is used along with U1 02 and U3 to select which defined TTLTRG line will be used to trigger the switching system U109 is an output port to the VXIbus state machine that clears the trigger input latch the trigger output and the check output used in self test mode The reset circuit provides a reliable signal under the most difficult situations The circuit consists of a voltage reference VR1 which provides a nominal 1 23 voltage level U11d which senses when the 5V supply drops below 4 5 volts and discharges the reset timing capacitor C2 via Q2 As the 5V supply is applied to the board the output of U11d is held low until the supply reaches a nominal 4 75 volts at which time it goes high This signal is inverted by U11c which in turn drives Q2 As long as the 5V line is below 4 75 volts the gate of Q2 is held high and prevents C2 from charging If at any time the 5V supply drops below 4 5 volts due to the hysteresis provided 244 the gate of Q2 is 1260 Series User Manual VXI Interface again pulled high and the transistor discharges C2 restarting a reset cycle CR1 holds the voltage across C2 to 0 6 volts above the reference voltage to reduce the time required to discharge the capacitor U11a senses the voltage across the reset timing capacitor C2 and drives the HALT line from which all other reset signals are derived

Racal Option 01 Smart Card Manual

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