Pickering 20-610 Manual
Contents
1. o 2 2 Multiplexer Configurations The 20 610 022 very high density multiplexer operates in all of the following modes 20610022 Front Multiplexer Number analogue Mode Bus Quad MUX Quad MUX Single MUX 352 1 332 4 R Single MUX 176 2 176 278 Single MUX 88 88 4 8418 Single MUX 44 44 8 44 8 R Dual MUX 176 1 176H F 176 H R Dual MUX 88 2 88 2 88 2 8 Dual MUX 4 44 4 44 4 86 Table 2 1 20 610 022 Very High Density Configurations Li 0 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Multiplexer Single MUX Single MUX Single MUX Dual MUX Dual MUX Quad MUX Table 2 2 20 610 021 High Density Configurations 1 20 610 10 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 1 1 F 1 1 1 45 12 ai ANg 2 13 5 2 1 HA 14 mog N Isolation lt 2 2 24 solation XL e i 5 ma 4 22 80 ta 23 5 Isolation 5 F1 Switches zl m A cS 176 1 ta 352 5 176 2 8 Single 352 Channel 1 Pole Single 176 Channel 2 Pole 8 mi 4 88 1 O 88 2 5 Bank 1 lt 88 32. LBA u 2 43dA1 q 1 011501 5 13 3dAL EM3IA AV13G NVHI 5013 11215 eun 4999107110 46910 KIT VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 12M 16 4 3 2 Multiple Channel Selection not allowed in 1 channel mode To operate more than one channel at any time an extra enable disable argument s must be added to the CHAN command The command will allow any combination of channels to be selected note not available in single pole mode CHAN a b c s Select channel 1 5 lt gt 0 bank b of multiplexer Deselect channel c if s O on multiplexer a Please make particular note of the following points When the multi channel form of the CHAN command is used the automatic break before make operation of the multiplexer is disabled it can only be enabled again by issuing a standard CHAN a c command this will first clear all selected channels on that multiplexer Care must be taken not to inadvertently short any two signal source inputs together The Isolation switches are always energised in multi channel mode therefore leakage resistance and stray capacitance will degrade Multi channel commands can not be used when in 1 pole mode this is a limitation of the internal switching ar rangement 4 4 Programming Examples Multiplexers are controlled using the CHAN and ARESET commands
3. O OO O OO OO O o 2 00000 9 Fig 6 2 20 610 Relay PCB Layout Bottom ME 20 610 ae ji ckering 38 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER o 5 Fig 6 3 20 610 Connection PCB Layout Top 39 2060 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER HEU Fig 6 4 20 610 Connection PCB Layout Bottom A 2 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER aa 40 PCB location PIL part number Part description Qty C1 C CP 003 Cap Tant 22uF 16V omit C2 C CP 003 Cap Tant 22uF 16V 1 14 C CP 001 Cap Cer 10nF 63V 12 C FX 130 hex threaded spacer 16mm 1 085 M3 washer 1 J1 J3 C
4. 00000000 00000000 9090690900 00000000 Ox 290009900 NG p 9090690900 000000900 71182 H i 5 om d 2 17 Lu D 5 ____ DT a 4 Lf p Lr Pedes Le TI ovaz LAS Dus num 177 3 ov 8 E E 00 179 9909090900 D 15 5 00000000 1000009900 10000099090 i 00000000 P zj 0000900900 D ma 00000000 Doa and OT Sic 2 LF D p T D O ag amp DA T o om 2 ang Oma 5 A Ai 1 kalalan a a D 281 channgl saka 12 5 DESH link settings Made ChamscRulez Lom BAGO links _ pales brakon made baki bani baki baka Oud A 1 Fam U1257 1234 mukFchan sekaan 1257 1 1 1 98 1 Hoa 1167 1224 mukbchan LET aa 2 Pan 2 Hea 1249 397 Dual 1 Fam 1035 878 mukFchan Gur 15 1 1 Dual T 1 wis 3 mukbohan sekaan Sr wis nie Dual A 2 Fam 1258 PATA 1257 1 2 1 Dual E 2 Hes 1266 Dual aa a Tim 7 Dual d Agar F 1 Fam 01 1pl 224575 mukbchan Fae wl 1 ped 1 Hea Lit lpi 224573 mukF chan ud 175 2
5. TE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 7 Suitable Mating Connectors 10 967 001 96 Way DIN 41612 Socket with Crimp Pins 10 967 101 96 Way DIN 41612 IDC Socket 10 967 201 96 Way IDC Cable 1m other lengths to order Table 1 2 20 610 Product Order Codes 20 610 fee 8 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Section 2 0 2 1 Creating Larger Multiplexers When more than one module is used to make up a multiplexer see diagram below where seven modules are used to make up a 1232 channel 2 pole multiplexer then all multiplexer units must have the same internal address the location of each module within the multiplexer is given by its own bank address Bank addresses must start at 0 and should be contiguous If there is a problem with any of the modules used to make up a large multiplexer then an error will be detected use the REPORT query to discover the cause 2 2 Pole Chan s 1 176 Chans 177 362 353 528 Chan s 529 704 Chans 705 880 Chan s 881 1066 hanis 1057 1232 ci 22 35 a Sr E 2 Pole 2 Pole Pole Banks 008816 Bans Banka Fig 2 2 Up to 8 x 20 610 Multiplexers Can Be Held In One Case e g 2816 Channel 1 Pole Bonk 0 GPIB RS 232 Interface Power Supply Bank 17 Fig 2 1 20 610 Expansion
6. Fig 5 3 Pin Out Diagram For Dual 176 Channel 1 Pole Mode LLL 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 21 4 4 A 1 1 le 2 1 1 1 1 2 2 1 31 2 2 3 2 c 3 1 3 2 30 4 1 42 5 1 4 1 42 1 29 5 2 6 1 6 2 52 6 1 6 2 28 7 1 7 2 8 1 7 1 7 2 8 1 27 8 2 3 1 92 8 2 9 1 9 2 26 10 1 10 27 11 1 10 71 10 2 25 11 2 21 122 1271 1128 24 13 1 i 14 1 13 1 13 2 14 1 23 14 2 15 2 14 2 15 1 2 22 16 1 16 1 4 17 1 17 2 17 2 18 2 P9 P9 P9 PO P2 TO WWD 4 P9 PO TO 2 O 2 gt gt 4 OS 1 4 ONO 1 2 5 MUX 2 Fig 5 4 Pin Out Diagram For Dual 88 Channel 2 Pole Mode 20 610 22 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 4 amp 1 1 lie 21 11 1 2 cal 31 2 2 3 1 32 2 2 3 1 3 2 30 4 1 4 2 5 1 4 1 4 2 2 1 29 5 2 6 1 6 2 5 2 6 1 6 2 28 7 1 2 8 1 7 1 7 2 8 1 27 8 2 9 1 92 8 2 9 1 92 26 19 1 1021 113 10 1 10 2 11 1 25 11523 1241 2 12 11 1252 24 1381 13 2 141 13 1 13 2 14 1 23 14 2 15 1 2 142 15 1 2 22 16 1 17 1 16 1 17 1 1
7. 012 17518599110 sane 6621 2 Single 178 2 Baa Lz ipe 7 ASA 297 Lis 1967 39 Fam 17211011712 aar 01 97 1 2 a a 89 Hen 4 17911011112 1297 aa 8 Single Hes Ld2214A T4 Hows Li na pass ble derby version same applied 10 55 Le fewer avaliable using lower viis 22 chan Laag 5 ler 22 chan pale mum numb of paka kad pho T abawe each vegulie 9 Lhe Falkow Ing dear each Le 1 1 connec solu aua pe queries series lm king ves bani Fig 2 4 20 610 Multiplexer Relay Layout Showing How Configuration Links Allow The 20 610 To Operate In Many Configurations 20 610 kering 12 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Section 3 Self Test 0 0 3 1 Self Test Function Self Testis invoked at power on and may also be operated under software TST or viaa recessed push button Self Test pass is indicated on a front panel LED with a full pass fail description available using the DIAGNOSTIC command Self Test comprises 2 levels see Fig 3 1 1 Logic Test Checks all logic including on board microprocessor relay drivers etc 2 Relay Coil Test All reed relay coils are checked for continuity Note Spare reed relays are mount
8. 5 88 4 Isolation j Single 88 Channel 4 Pole Isolation E Isolation E Isolation x Isolation Switches 88 1 88 2 Bank 1 E Isolation XL 5 Single 44 Channel 8 Pole E a e Isolation Kk 3 mc 8 ana Bank 2 o 1 lt 2 IE Uns ama 3 witches BS on SI Switch L 8 amp Switches 3 1 LL 2 Isolati H JE Pl 8 a o 88 Bank 4 1 o 2 Dual 44 Channel 4 Pole Ouad 44 Channel 2 Pole 0 8 Isolation 5 ich Fig 2 3 20 610 022 Very High Density Multiplexer Configurations Eo ka 20 610 021 High Density Multiplexers have exactly half the capacity of 8 gt the above versions Quad 88 Channel 1 Pole Lo 0 CHEESE EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER OT Sen LH D pe ALI Da 02 Da x Le he FF 000009900 ALF H nnnnmnnn lag d 200009900 2m 09090090900 000009900 2900009900 09090690900 000009900 00000000 290009900 90090090900 ooo000000
9. D Fig 5 14 Pin Out Diagram For Single 88 Channel 2 Pole Mode updated 5 97 Bleed PM RI 20 610 Ca 32 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Bank 1 ea 32 2 1 32 31 3 1 31 30 5 1 30 29 6 1 29 28 8 1 28 27 3 1 27 26 11 1 26 25 12 1 25 24 14 1 24 23 B 15 1 23 22 17 1 22 21 18 1 21 20 20 1 20 19 21 1 19 18 23 1 18 17 24 1 17 16 26 1 16 15 27 1 15 14 29 1 14 13 30 1 13 12 32 1 12 11 33 1 11 10 35 1 10 9 36 1 9 8 38 1 8 39 1 6 41 1 6 5 42 1 5 4 44 1 4 3 GND 3 2 2 1 1 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 Fig 5 15 Pin Out Diagram For Single 44 Channel 4 Pole Mode 20 610 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 33 62 Cn Cn Fig 5 16 Blank Pin Out Diagram Sickening PT 20 610 TE 34 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER QC OMT MN Oo c OH CT A oO 01 011 3e KOTOR OM TANK O DU 09 pr A CICI 6 om nm Fig 5 17 Blank Pin Out Diagram re BP 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 35 Internal Construction of 20 610 Modu
10. 1 MUX 1 MUX 3 Bank 2 Bank 4 A Hu s 32 1 2 32 1 2 31 3 31 3 30 4 5 30 4 5 28 5 28 5 28 n 8 28 7 8 27 9 27 9 26 10 11 26 10 11 25 12 25 12 24 13 14 24 13 14 23 15 23 15 22 16 1 22 16 17 21 18 21 18 20 19 20 20 19 20 19 21 19 21 18 22 18 22 17 24 17 24 16 25 26 16 25 26 15 27 15 27 14 28 29 14 28 29 13 30 13 30 12 31 32 12 31 32 11 33 11 33 10 34 35 10 34 35 9 36 9 8 37 38 8 37 38 7 7 6 40 41 6 40 5 5 4 43 4 43 3 3 2 2 C4 1 1 MIX 2 Fig 5 10 Pin Out Diagram For Quad 44 Channel 1 Pole Mode lt dYH 20 610 28 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Bank 1 Bank 3 B 6 B 6 32 1 2 2 32 1 E 2 31 5 3 31 z 8 3 30 4 5 30 4 5 29 E 6 29 E 6 8 mm 9 8 27 9 27 9 26 10 5 26 10 25 z 25 2 NG 24 13 24 13 23 23 8 22 16 22 16 21 2 21 E _ 20 19 20 19 19 19 18 22 18 2 _ 17 17 z 16 25 16 25 15 15 3 14 28 14 28 13 0 13 12 N 12 31 11 i 11 10 34 10 3 9 9 5 6 8 37 5 7 5 5 7 8 6 40 6 40 5 5 2 43 4 43 3 3 25 2 02 1 1 32 31 30 29 28 27 26
11. 19 4 Al se SET am ae 241 an 22 31 u sp 232 593 30 41 42 5 1 30 41 42 5 1 29 52 61 2 29 52 61 2 28 7 1 72 8 1 27 82 91 2 s 2 32 26 10 1 102 11 1 26 10 1 102 11 1 25 112 12 1 12 2 25 1210 322 24 13 1 132 1 13 1 13 2 141 23 142 15 1 23 142 15 1 152 22 16 1 162 22 16 1 22 32 21 2 72 18 2 20 20 19 19 18 18 17 17 16 16 15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 6 6 5 5 4 4 3 3 2 2 1 1 MUX 1 MUX 3 Bank 2 Bank 4 A n a 72 32 THE 31 x 22 35 22 41 2 41 42 51 30 41 42 5 1 9 52 61 62 29 52 61 62 oo s 28 71 72 1 27 85 rue 27 82 91 92 26 10 1 102 11 1 26 10 1 102 11 1 28 ag 323 25 112 121 2 24 13 1 132 141 13 1 132 14 1 23 142 151 23 142 15 1 2 22 16 1 22 16 1 162 17 1 21 172 21 172 181 2 20 20 19 2 19 19 18 18 17 17 16 16 15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 6 6 5 5 4 4 3 3 2 2 1 1 MUX 4 Fig 5 2 Pin Out Diagram For Quad 44 Channel 2 Pole Mode o HS SS YY 20 610 20 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER MUX 1 MUX 2
12. 705 880 Chan s 881 1056 han s 1057 1232 L EL E27 E 2 Pole 2 Pole Pole 2 Pole 2 1 2 Pole 2 Pole Bank 4 Bank Bank Bank 0 Bank 1 Bank 2 Bank 3 Fig 4 1 Configuring the Multiplexer System all modules must have the same primary address 4 3 Configuration Specific Programming Commands The 20 610 multiplexer module may be configured in one of the following modes 4 3 1 Quad Dual Multiplexer Mode Each module contains four or two independent multiplexers e g dual 176 channel or quad 44 channel referred to as banks 1 2 3 and 4 CHAN a b c Select channel c on bank b of multiplexer a Only one channel at a time is permitted to be on automatic break before make is always enforced 5 0 CHAN 3 1 34 will operate the module with address 3 selecting bank 1 channel 34 CHAN 15 2 1 will operate the module with address 15 selecting bank 2 channel 1 u BP 20 610 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 15 195 uononuisu 19 91013110 019 0 513 Taery ewn 1 9 U ysew jeuueuo mer Jequinu jeuueyo 9 Jequnu yueq TIMA 9
13. CN 001 DIN41612C r a 64 way plg 2 J2 C CN 276 SIMM skt 72 way vertical 1 44 46 C CN 285 DIN41612 straight 96 way pcb plg 2 J5 J7 C CN 254 DIN41612C r a 96 way plg 2 J8 C CN 128 14 way mini DIP transition 1 C CN 090 14 way IDC skt 1 RL1 RL176 RL186 RL187 C RL 073 109 2 A 12 2D 178 RL177 RL185 C RL 056 109 1 A 12 1D 9 U1 U6 C IC 035 UCN5818EPF 32 bit driver smt 6 config links C CN 152 pcb jack skt 66 E C CN 156 link 0 2 uninsulated 9 Table 6 1 GPIB145r0 PCB Parts List PCB location PIL part number Part description Qty J1 J2 C CN 267 DIN41612 straight 96 way pcb skt 2 J3 J4 C CN 254 DIN41612C r a 96 way plg 2 Table 6 2 GPIB147r0 PCB Parts List ra U EN o 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 41 roo Ha 20 610 42 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER
14. The 20 640 series of multiplexers have two modes of operation First to check the size of the multiplexer at address 21 TYPE 21 will return MUX 2x176 A dual 176 channel multiplexer To close channel 3 bank 1 on multiplexer 21 CHAN 21 1 3 Now to look at status of multiplexer 21 bank 1 VIEW 21 1 will return 3 To clear bank 1 ARESET 21 1 Or to clear all banks ARESET 21 Now to look at status VIEW 21 1 will return O VIEW 21 will return the status of all multiplexer banks Note This module must be used with the 10 921 IEEE 488 RS 232 Interface ez 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 17 20 610 18 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Section 5 ox The following pin out diagrams for the 20 610 022 very high density multiplexer are included Quad 88 Channel 1 Pole Switching Quad 44 Channel 2 Pole Switching Dual 176 Channel 1 Pole Switching Dual 88 Channel 2 Pole Switching Dual 44 Channel 4 Pole Switching Single 352 Channel 1 Pole Switching Single 176 Channel 2 Pole Switching Single 88 Channel 4 Pole Switching Single 44 Channel 8 Pole Switching Blank DIN 41612 Connector Sheets are in Fig 5 16 and 5 17 Bank 1 HN Ch oo MIX 2 MUX 4 Fig 5 1 Pin Out Diagram For Quad 88 Channel 1 Pole Mode kg u BP Y 20 610 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER
15. 1 2 32 31 3 31 30 4 5 30 29 6 29 28 7 8 28 27 9 27 26 10 11 26 25 25 24 13 24 23 23 22 16 22 21 21 20 19 20 19 19 18 22 18 1 1 16 25 16 15 15 14 28 14 13 13 12 31 12 11 11 10 10 9 9 8 3 8 7 7 6 40 6 5 5 4 43 4 3 3 2 01 2 1 1 PO CD 69 PO 60 00 PO 6 1 906 Fig 5 13 Pin Out Diagram For Single 176 Channel 1 Pole Mode 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 31 ele e e 09 09 33 Ch Cn cn cn cn cn DDD IO 63 6 DO TONS TE gt gt GI GI CO 2 CO CO CO NO m gt D Cn Cn C5 DO RW 0 1 1 co Cn Cn 42 1 44 1 D GND PO PO P2 TO 2 62 69 OTO OTO 00 99 gt PO PI 1 2 O O gt 0 c 1 9 DO 00
16. 19 Section 6 20 610 Multiplexer PCB Layout cetati o old al a ai d e i DEUS 37 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 3 BR 20 610 TEE 4 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Section 1 bandi NMHEIBERE ______ S 1 1 Features Very High Density 352 Pin Multiplexer Single Dual or Quad Multiplexer Operation Switching 1 2 4 or 8 Poles Expandable to 10 000 Channels Using Internal Analogue Bus Automatic Isolation Switches Reduce Capacitive Loading in Large Systems High Quality Ruthenium Reed Relays For Maximum Reliability Built In Self Test Suitable for Ribbon Cable Connection Versatile Configuration Options One Module for ALL Your General Purpose Multiplexer Applications Lower Density 176 Pin Version Available The Universal Very High Density Multiplexer Model 20 610 offers the highest density of any Pickering Multiplexer with 352 switch pins Configurable as a single dual or quad multiplexer with a choice of 1 2 4 or 8 pole switching and is expandable to over 10 000 channels 1 1 Description The 20 610 Universal 352 Pin Multiplexer Module is the first in a new generation of very high density multiplexers from Pickering Interfaces One standard module offers a very large range of switching configurations plus extensive built in self test The 20 610 may be easily configured for most general purpose mult
17. 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 6 5 4 3 2 1 MUX 1 MUX 2 Fig 5 11 Pin Out Diagram For Dual 88 Channel 1 Pole Mode 20 610 In EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 29 o 27245222222 m CO CO CO CO CO BO DO BD I CO Q3 CO NG 9560 Cn Co N OC 00 N Co To 00 ANAN Fa gt 42 1 44 1 PO 2 WD gt 1 99 lt PO 2 WD 49 1 99 5 MUX 1 MIX 2 Fig 5 12 Pin Out Diagram For Dual 44 Channel 2 Pole Mode sickening M 20 610 e 30 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Bank 1 amp a E 32
18. 3 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 6 5 4 3 2 1 Fig 5 8 Pin Out Diagram For Single 88 Channel 4 Pole Mode Deke _ OO 20 610 26 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 4 co PN Lib NANA 4 Fo o 1 9 1 iHi i DN 4 53 Man EE x 18 2 Fig 5 9 Pin Out Diagram For Single 44 Channel 8 Pole Mode LT 20 610 Ts VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 27 The following pin out diagrams for the 20 610 021 high density multiplexer are Included Quad 44 Channel 1 Pole Switching Dual 88 Channel 1 Pole Switching Dual 44 Channel 2 Pole Switching Single 176 Channel 1 Pole Switching Single 88 Channel 2 Pole Switching Single 44 Channel 4 Pole Switching Bank 1 Bank 3 i E 5387 5 32 1 2 32 1 2 31 3 31 3 30 4 5 30 4 5 29 6 29 6 28 8 28 8 27 9 27 3 26 10 11 26 10 25 12 25 24 13 14 24 13 23 15 23 22 16 22 16 21 21 20 19 20 9 19 19 18 22 18 17 17 16 25 16 15 15 14 28 14 13 13 12 31 12 11 11 10 34 10 9 9 8 37 8 7 7 6 40 6 5 5 4 43 4 3 3 2 2 1 SEN 1 TST1
19. 8 2 17 2 18 2 Fig 5 5 Pin Out Diagram For Dual 44 Channel 4 Pole Mode BP 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 23 32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 DNO Fig 5 6 Pin Out Diagram For Single 352 Channel 1 Pole Mode Sickening O 20 610 P 24 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 4 8 2 32 2 1 1 2 1 1 32 31 3 2 3 1 2 2 31 30 5 1 4 2 4 1 30 29 6 2 6 1 9 2 29 28 8 1 7 2 7 1 28 27 9 2 9 1 8 2 27 26 11 1 102 1041 26 25 12 2 124 11225 25 24 14 1 13 2 13 1 24 23 15 1 14 2 23 22 16 2 16 1 22 21 17 2 21 20 20 19 18 18 18 17 17 16 16 15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 6 6 5 5 4 4 3 3 2 2 1 1 PO PO n9 PO PO DO 2 O O 99 O Cn C Fig 5 7 Pin Out Diagram For Single 176 Channel 2 Pole Mode kg BP 20 610 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 25 32 2 1 1 1 32 31 3 2 2 2 31 30 5 1 4 1 30 29 6 2 5 2 29 28 8 1 7 1 28 27 92 8 2 27 26 11 1 10 1 26 25 12 2 11 2 25 Nas 14 1 24 24 23 14 2 23 22 16 1 22 21 17 2 21 20 20 19 19 18 18 17 17 16 16 15 15 14 14 13 13 12 12 11 11 10 10 9 9 8 8 7 7 6 6 5 5 4 4 3 3 2 2 1 1 32 31 30 29 28 27 26 25 24 2
20. Allow Self Test Of All Relay Contacts SELF TEST INITIATED BY POWER TST QUERY MANUAL BUTTON CLEAR MULTIPLEXER LOGIC TEST uP BOARD RELAY BOARD PSU 6 and 12 Module Temperature CONTACT SWITCH ON STATE RESISTANCE 2Q SWITCH OFF STATE RESISTANCE gt 1MQ SELF TEST FAIL ERROR LED ON USE DIAGNOSTIC COMMAND TO GET ERROR MESSAGE SELF TEST PASS Fig 3 2 Self Test Basic Flow Diagram 20 610 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Section 4 Programming 4 1 Instruction Set The 20 610 Multiplexer module is simple to program ARESET a Open all channels on device a CHAN a c Select channel on multiplexer a bank b CHAN a b c s Multi Channel selection argument s allows opening closing of any combination of channels Also allows selection of all channels except c not available in 1 pole mode on very high density 20 610 022 DELAY t Force a minimum delay of t milliseconds between two instructions DIAGNOSTIC Report any Self Test errors RESET Open all switches on all modules VIEW a View status of device a The 20 610 module must be used in conjunction with the 10 921 or 20 910 interface module it is not compatible with the older 10 920 interface 4 2 Multiplexer Expansion Out Internal 24 Pole Analogue Bus Chan s 1 176 Chan s 177 352 5 353 528 Chan s 529 704 Chan s
21. during self test Serial RS 232 Configuration Test Port The 20 610 has a built in RS 232 port 9600 baud software handshake this is used to configure the module and may also used for self test and error diagnosis this may also be done using the normal IEEE 488 RS 232 interface Connectors suitable for ribbon cable connection Connection to the module front panel is via four 96 way DIN41612 connector plugs Because of the large number of con nections that may to be made to this module up to 384 care must be taken with user connections IDC type DIN41612 connectors may be used Other connector types may be available please contact sales office for further information u 9 20 610 LD SEND VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 5 Common 352 1 D 176 Fig 1 4 20 610 Front Panel Fig 1 3 Quad MUX Mode 44 or 88 Channels Module Illustration 1 3 Analogue Bus The analogue common can be routed using internal jumpers out to either the front panel connectors or the internal analogue bus Routing to the front panel allows the user complete flexibility routing to the internal analogue bus simplifies large system construction and ensures good signal isolation from external interference The System 10 20 backplane features a shielded 24 pole analogue bus This would be used with a multiplexer constructed using more than one module where th
22. e selected channel will be carried along the System 20 backplane analogue bus The analogue bus can be brought out from the module in any of the following ways 1 The selected analogue common can be brought out on the front panel input connector This also has the additional feature of keeping the analogue signal totally isolated from the backplane improving crosstalk dc leakage and low thermal emf performance 2 Via Breadboard module Very useful if any signal conditioning boosting etc is to be done before bringing the signal out to the measuring device 1 4 Width and Dimensions All modules conform to the 6U height 262mm Eurocard standard and are 160mm deep Panel width is 1 8 Inches BBR O 20 610 dE 6 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Switch Type Ruthenium Reed Max Standoff Voltage 100V Max Power 10W Max Switch Current 0 5A Max Carry Current 1 2A Path Resistance On Single Module 500mQ typical Off Single Module gt 0 Differential Thermal Offset gt buy Capacitance Open Channel lt 6pF Channel to Channel lt 30pF Crosstalk Single Chan On 50Q Channel to Channel 10kHz gt 80dB Channel to Channel 100kHz gt 65dB Channel to Channel 1MHz gt 4508 Bank to Bank 100kHz gt 80dB Bank to Bank 1MHz gt 65dB Bandwidth 3dB 1 module gt 5MHz Noise Level 0 to 1MHz in 500 System lt 80dBm Max Operate Time 775 Max Release Time 6ms Expected Life O
23. ed onto the relay circuit board for fast repair additional reed relays are available from Pickering Interfaces 3 2 Self Test Operation Self Test is always run at power on If self test is run under software control it will firstly clear the whole multiplexer Manual Test will only function when the module is in a clear state When the self test has finished the multiplexer will be returned to an all clear state i e the previous state will not be remembered Please note that because of the long self test time that your computer may time out waiting for the test result many PC s have default timeouts set to 10 seconds 3 3 Detailed Self Test Reporting using the DIAGNOSTIC Query The DIAGNOSTIC query will give an ASCII string detailing any self test failures These will include Logic RAM EPROM Relay Drivers Invalid Link Settings etc Relay Coils Open Circuit Coil This string is not intended to be processed by the user s software it is suitable for copying directly onto the screen of your control computer This information will then indicate maintenance required please contact Pickering for further help external test fixture 98 2 eee 2 RL Fig 3 1 610 Relay Contact Test not implemented in current version Lo 0 7 ee VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 13 Pickering LEER Ee 14 Future Enhancement When Used With External Fixture To i
24. iplexer requirements Just by setting on board links the unit may be configured as a single dual or quad multiplexer with a choice of 1 2 4 or 8 pole operation total of 18 configurations The analogue common s may be routed to the front panel or for large system implementation to one of the internal analogue buses This versatility means that one multiplexer module is suitable for many different applications For applications that require lower capacity a reduced density version type 20 610 021 is available this has 176 pins Up to 2816 input channels can be accommodated in one System 20 Case over 10 000 with multiple expansion cases Built in Automatic Isolation Switching connects only the currently active multiplexer switch bank thereby keeping capacitive loading and leakage currents in large multiplexer systems to a minimum For a summary of switching capabilities please refer to table 1 1 This is a double height module and must be mounted into a double height 6U case 1 2 Front Panel The module front panels comprise of three elements Status Display 4 LED Indicators Power LED Connected to power system supply Active LED On whenever one or more matrix switches are closed For a list of all active switches use the VIEW command Warning LED Indicates that an error may be soon be failing relay contacts reaching end of life Self Test LED Active when self test in progress Error LED Indicates that error found
25. le 7 ME O 20 610 36 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Section 6 0104 012 000 08824 08623 20008822 s nana 5 p usi us OOO 08821 4 RL182 MUX Bank 4 08820 EI o o 0181183 o o 5 o 3 9 RL181 08819 RL176 RL175 e ej OBB18 O00 08817 08816 900 000 08815 O00 08814 08813 ooon O00 08812 OOO OBB11 08810 ooon 0889 0888 0887 nung 00 6 200 0885 0884 nung O00 0883 O00 70882 200 0881 goot 56 7 8 analogue bus access 9000 1234 352 Pole Configurable Multi links spare unused nagguggggggggugggguggggugguguguu oog spare relays J4 Je sm Fig 6 1 20 610 Relay PCB Layout Top peering eT 20 610 Ta VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 37 00 O O 00 00 000 000
26. perations Low power load gt 108 Full power load gt 5 106 All the above specifications are for a complete 20 610 system consisting of eight multiplexers Table 1 1 Switching Specification 1 5 20 610 Operating Modes Refer to Section 2 for further details The 20 610 022 very high density multiplexer operates in all of the following modes Quad 88 Channel 1 Pole Switching Quad 44 Channel 2 Pole Switching Dual 176 Channel 1 Pole Switching Dual 88 Channel 2 Pole Switching Dual 44 Channel 4 Pole Switching Single 352 Channel 1 Pole Switching Single 176 Channel 2 Pole Switching Single 88 Channel 4 Pole Switching Single 44 Channel 8 Pole Switching The 20 610 021 high density multiplexer operates in all of the following modes Quad 44 Channel 1 Pole Switching Dual 88 Channel 1 Pole Switching Dual 44 Channel 2 Pole Switching Single 176 Channel 1 Pole Switching Single 88 Channel 2 Pole Switching Single 44 Channel 4 Pole Switching Analogue Common Connections Route Analogue Common to Front Panel Route Analogue Common to Internal Analogue Buses Expansion to multi case systems is achieved by choosing one module within each case and selecting the analogue bus to front panel configuration the analogue bus commons are then simply daisy chained to additional cases as required Multi channel selection Care must be taken when selecting many channels simultaneously not to overrate the power supply 20 610
27. pickering USER MANUAL Model No 20 610 Very High Density Universal Multiplexer Designed amp Manufactured by Pickering Interfaces Limited Stephenson Road Clacton on Sea Essex CO15 4NL England Tel 01255 4281 41 44 1255 428141 International Fax 01255 425349 44 1255 425349 International Internet www pickeringswitch com E Mail sales pickeringswitch com Issue 2 7 02 Copyright 2002 Pickering Interfaces Ltd All Rights Reserved u MP o 20 610 EEE VERY HIGH DENSITY UNIVERSAL MULTIPLEXER 1 HELP you need assistance with your Pickering Interfaces Switching System Switching problems Programming or Integration within your Test System Please ring Pickering Interfaces and ask for Technical Support Alternatively you may fax email or connect to our Internet Web Site A full set of operating manuals application notes and software drivers is available on CD ROM Sekonn a MM 20 610 2 VERY HIGH DENSITY UNIVERSAL MULTIPLEXER Contents Section 1 Very High Density Universal 8 gt 1 kikki ck d kuna 2 Section 2 20 610 Operating Configurations and Expansion ne ce ceai aaa vai hdd n 9 Section 3 Self Test eee aaa a 13 Section 4 Programming Rt a du k 15 Section 5 Connector DIGG APIS ein sa
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