Ludlum Measurements 2350 Manual Download

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DATA LOGGER

Revised: July 1993

Serial No. 106622 and Succeeding

Serial Numbers

Software Version #

LUDLUM

INC.

OAK ST., P.O.

810

Ludlum Model 2350

Summary of Contents for 2350

Page 1: ...ATA LOGGER Revised July 1993 Serial No 106622 and Succeeding Serial Numbers Software Version 37102n16 cl I LUDLUMMEASUREMENB INC 501 OAK ST P O 60X 810 svuEmTER Tx78558 9l FAx 9lW3 672 Ludlum Model 2350 ...

Page 2: ...f 1 7 1 1 uR hr RAT I 0 6 0 SEC Et 1 5 3 UR DOS 218 MIN DOS 18 44 DET O2 OO 1 0 o WAND MODEL 2350 DATA LOGGER AUDIO 1oo DIVIDE 1 VOLUME SERIAL I O zqJ o o A C K N L D G E xxxxx I J ...

Page 3: ...to the purchase price of the insWment RECEMNG CONDITION EXAMINATION Be sure to verify that the shipping carton is received in good condition with no visible damage Should the instrument be received in a damaged condition save the shipping container and the packing material and request an immediate inspection by the carrier RETURNOFGOOIISToMANuFAcllJRER If equipment needs to be returned to Ludlum M...

Page 4: ...6 4Alarmdisplay 7 6 5Loggeddatadisplay 8 6 6Recycledatadisplay 8 6 7 Recycle setup display 9 7 DESCRIPTION OF COMMANDS 10 7 1setcommands 7 2control 7 3Readcommands 8 COMMANDUSAGE 8 1 Scanthrou thedisplaymodes 8 2Setvariousdetectorsettings 8 3Readvariousdetectorsettings j 11 12 14 18 19 20 21 9 APPLICATIONS 22 9 1 General M2350 setup 22 9 2CountratemeterwithaNaIscintillator 22 9 3Micro RmeterwithaN...

Page 5: ... DTERMINALOPERATION 41 11 1Terminalsetup t Y 41 11 2TerminaIoperatibn 41 12 OPTICALWANDOPERATION 42 12 1 Optidtiuse 42 12 2Barcode generation 42 PAR TSL IST A 43 43 Model235ODataLogger celltral Board g371x1 43 Am PowrsupplyBoard g371x2 l 45 Back w Dr ng371 x3 I 48 I Oh I rawving371 x5 I 48 WkingDiagfmqIhwing371x4 50 i PageJi ...

Page 6: ...ve decade analog output available on the backplane The data logging memory can store the readings fi oin 250 samples and the setups for sixteen different detectors The logged reading contains the count da count time date detector number location code sample number status time and type of reading Ihe detector setup memory contains the settings for the detector calibration constant detector dead tim...

Page 7: ... Pushbutton switch used to acknowledge and silence the alarms l WAND Connector for optical wand used to read 3 of 9 code bar codes l SERIAL IlO Connector for RS 232 signals to interface to computers or ternGnals 4 DEERFIlOl T OF FuNcIIc INS l cJlxmmm l here are four counters available They all use the same input but provide different types of readouts 0 Digital Ratemeter Provides a digital readout...

Page 8: ... the digital ratemeter can have a time base of seconds mini or hours M2350 Data Log r l DISPLAY UNlTS The digital o Integrated dose alarm setting 0 overload current 0 Ratemeter alarm setting 0 scaler alarm setting 0 Scaler count time o Threshold o Window ratem and integrated dose can be ro grammed to readout in the following units oad MY9 NW9 W 09 mg isintegratioion C aunts Ci cn o r wcti l DETECT...

Page 9: ...he 24 hour format 0 Count data This is the value of the counter that was logged The counter is either the digital ratemeter scaler or integrated dose 0 Logging mode Ibis is the identifier that records the type of reading whether it was the digital ratemeter scaler or integrated dose 0 Count time This is the count time of the reading For the digital ratemeter it is 0 For the scaler it is the number...

Page 10: ...ormal a cold start needs to be done After the power up cycle is completed select the desired diilay mode and the desired detector parameters and proceed with the instmmnt operation NOTE P A cold start wil clear all detectors and also clear the logging memory OncedoneJhedata be recoVered A cold start is needed to clear the M235O s memory if the batteries have been removed long enough for the memory...

Page 11: ...NT appears when the scaler is counting l Line 4 Tbe scaler count time is displayed here The SCL message is always on and indicates that this is the scaler timer When the scaler is not counting the time displayed is the count time for the scaler If the scaler is counting the time displayed is the time remaining until the count is done l Line 5 Ihe integrated dose readout is displayed on this line T...

Page 12: ... Iine 1 This line displays the current detector whose settings are bemg used l Line 2 The detector model number is displayed on this line l Line 3 he detector serial number is dis played on this line D ZX EmR 00 MODEL SER U 7 M O TB O HV 0 w OFF CT 10 T 100 CC 1 000000e 00 LT O 000000e 00 9 Line 4 The lefi part of Qlne 5 this line displays ktector Display the code for the display units The middlep...

Page 13: ...n code is displayed in this line l Iine3 Thedetectorwhosesettings were used to log the data is displayed here l Line 4 The type of data logged is dis p l a y e d h e r e DEX FCIOR 00 RA ratemeter scaler integrated i e I 0 05 l 01 90 I l Line 5 figune 7 The count that W Di aY was logged is dis played here l Iine6 Iftheratemeterreadingwas logged this line is blank Ifthe scaler reading was logged thi...

Page 14: ...e of this line If the recycle mode is disabled lines 5 and 6 will display the message RECYCLE DISABLED 6 7 Recycle setup display The recycle setup display mode displays the setup information for the recycle counts This consists of the number of cycles enabled the detector each cycle will use the delay time before the data is logged the logging mode and the number of recycles The display is shown i...

Page 15: ...b are alphanu meric string With the alphanumeric string the following charactw are valid for use with the serial I O and the optical wan 0 through 9 A through Z and the characters 4 and a space The character is reserved for use when multiple commands are to be sent at one time or as the separator code when dumpmg the logged readings The chamcter I is reserved as the start and stop charackr for the...

Page 16: ...er of recycles o Tx g m of pA scaler alarm Scaler c43unt time cc Ihreshold User I D number wmdow Slkm SQWXYZ SRX SLf lb Na Hx Pf I 2 SYX ox Jf Ki I TX Ii w x Me 37 If I lOe38 1 I m I 12 month 1 Sd 531 day OIyI99 year OIh123 hours O mI59 minutcs 1 I w 5 6 cycle number OIxI15 detectornumber 0 I y 265535 seconds delay OIz 2 logmode 1 IXG Me 37 If lOe38 alphanumeric 9 char alphanumeric 9 char 05x52500...

Page 17: ...6 0 96oobaud 1 48OObaud 2 24OObaud 3 12OObaud 46oobaud 5 3oobaud 6 11Obaud Calculate cal constant Calculati dead time r n y Enable counter displays SSK S 3R SEX Logareading Ratemeter response Gix OSxS7 0 All counter displays off 1 Ehble ratema display 2 Enable scaler display 3 Enable ratemeter and scaler display 4 Enable integrated dose display 5 Enable ratemeter and in tegrated dose display 6 Ena...

Page 18: ...top therecycle store detector settings zerointegrateddose zero Dx X 0 slow response 1 fast response OlxIlS SVDX SMX 3UX OIxS6 0 Normal display 1 Parameters display 2 Detector display 3 Alarm display 4 Logged data display 5 Recycle data display 6 Recycle setup display OIx14 0 Autorange 1 Micro 2 Milli 3 none 4 Kilo OIxS2 0 Seconds ll lW 2 Hours OSxS9 0 r ad 1 WY ip 4 0 5 uu 6 D isintegrations LEE 9...

Page 19: ...ST Cyclecounf Cycles per recycle Detector dead time RSL k0 5 decade log x 1 1OOk cps ll scale 2 1Ok cps 111 scale x 3 lk cps Ml scale x74 100 cps 111 scale x 5 10 cps 111 scale f Margraphratem X FOZ OObUd x l 4800 baud 2 2400 baud 3 1200 baud X4 6OOlXUd x3 300 baud x76 1lObaud f f 4xaay voltage f calibration constant Q4Y m mMh WY y year 4m h hours nmlinw 1 SwW6 cyclenumber YJ x ctornumbzr y second...

Page 20: ...ta count time of logged data o logging mode FM2350 status when data logsed NOTE The character signifies that a logging location data has been sent The variable string except for a is repeated for each logging location When alloflhedatahasbeensen the is followed by a car riagereturnandalinefeed At 9600 baud dumping all 250 implestak about3minutes X All counter displays off x 1 Enable ratemeter disp...

Page 21: ...oltage f integrateddose f integrated dosealarmsetting x x integrated dosetimer a a location code up to 10 Char X x ilumber of ITcycles allowed Overload tenthsof R y x overload setting y o overload disabled y l overload enabled f jL amaa alarm setting E o slow response x 1 fast response 0 Auto range x 1 Micro x72 Mllli x 3 none x74 Kilo t O Seconds x4 Min x 2 Hours X x 0 r ad x 1 G ray x 2 REryl x ...

Page 22: ...D number up to 15 char Y x ndow y O window off y l window on k2350 statlls 8 bit number defjned as follows Bit 0 n meter alarm Bit 1 scaler alaxm Bit 2 integrated dose alarm Bit 3 scaler overflow Bit 4 integrated dose overflow Bit 5 low battery Bit 6 ovenrange Bit 7 overload NOTE Ihe display is in decimalf andmustbe converted to a bii 6 quivaknt If a bii bit is 1 the bit is seP if the bit is 0 the...

Page 23: ...the command They ate not shown because their entry method depends on the type of entry equipment used NOTE ALL COMMANDS MSJS Ar E TERMINATED WITH A CARRIAGE PETURN AND A LINE FEED THE COM MANDS MUST BE UPPER CASE NOTE 8 1Scanthroughthedisplaymodes The following command examples will For a detailed explanation of the displays show the various display modes of the refa to section 6 M2350 FUNCTION CO...

Page 24: ...indow on Set the window to 50 Turn the window off Set the clock to 11 23 Set the date to 12W90 Select the detector display mode Set the calibration constant to 1 000 000 Set the calibration constant to 1 Setthedeadtimeto25pS SetthedeadtimetoOyS Set the model to 44 2 SvDl The M2350 display should now look like Figure 4 The high voltage should now read 9oov The threshold should now read 500 The wind...

Page 25: ...play 1223 The M2350 display should now look like Figure 6 The ratemeter alarm should now be 1 OOOetO4 The scaler alarm should now be5647 8 3 Read vtious detector setiims The following command examples will show how to read some of the detector settings These examples assume a termbal is being used that can display the data sent from the M2350 A command will be given to set the setting to the desir...

Page 26: ...ON co M2350 RESPONSE Select the parameters display SVDl mode The M2350 display should now look like Figure 4 Set the date to 12 14 90 m1u14 90 Ihe date should now read 12 14 90 Set the time to 14 55 2 55PM sTl4 55 The time should now read 14 55 Set the user I D number to IUN123456 The user identification should UN123456 now read UN123456 Select the normal display mode SVDO The M2350 display should...

Page 27: ...shold to 100 Tloo Turn the window offI Set the scaler count time to 30 F30 seconds Select the detector display mode SVD2 set the readout units to counts Set the readout range multiplier su7 SMO Set the readout time base to SBl toauto mill Set the detector dead time to SUe 5 2o s Set the calibrati constant to 1 SCl Set the model to IMI 44 2 MLMI44 2 Set the serial number to Nl RO7373 PRO73738 Selec...

Page 28: ...lay should now look like Figure 3 Start the scaler counting C The M2350 should now start cQunting Stop the scaler E lhe M2350 should stop coun ting Set the count the to 10 seconds FlO The count time should read 10 seconds Start the scaler counting C The M2350 should now start counting zerotherat Z Ihe digital rateme and the barograph ratemeter should both zm and then resume normal operation Reset ...

Page 29: ...44 2 Set the serial number to PR073738 Select the alarm display mode Set the ratemeter alarm to le9 Set the scaler ahn to 999999 Set the integrated dose alarm to le9 Tum the overload off SvDl Hmo no0 F30 su4 SB2 sue 5 Scl 16elO MLlw44 2 svD3 Jle9 SKgggggg Ple9 The M2350 display should now look like Figure 4 The high voltage should now read7OOv The threshold should now read 100 The window should no...

Page 30: ...ctor 3 The following settings will be enteredz 0 0 0 0 0 0 0 0 FUNCTlON COMMAND M2350 RESPONSE High voltage 900v Threshold 500 Window off Scaler count time 6 seconds Readoutunits R Readout time base hours Readout range multiplier auto Detector dead time lOOuS Detector calibration constant 7 64e7 lletector model LMI 44 38 Detector serial number PRO73796 l3ammx alarm setting le9 scaler alarm setting...

Page 31: ...ated dose alarm should now read 1 m The overload should now be Off The settings have now been saved as detector 3 The M2350 display should now look like Figure 3 This step is not needed but is included to show how to recall the settings of detector 3 The setup of the M2350 for the G M reading will be saved as well as the integrated survey meter is now complete The operation dose accumulated during...

Page 32: ... 38 det 3 IkgtbeHngsinthemom 0 Move to the north wall of the room 0 Enter the location code for the 1st reading INSIDE N 0 Log the ratemeter reading o Movetotheeastwallofthe room 0 Enter the location code for the 2nd reading INSIDE E 0 Log the ratemeter reading 0 Move to the south wall of the room 0 E r the location code for the 3rd reading INSIDE S 0 Logthe lllbmeb reading o Movetothewestwallofth...

Page 33: ...de Log the scaler reading Ql Move to the south side of the IDUISIDE S room and enter the location code Log thescaler reading Ql Move to the west side of the I ISIDE W room and enter the location axle Logthescalerreadin Ql The location code should change to OUTSIDE E Thescalerwill tocount Remain at the same position until the count is cumpleted When the scaler stops count ing the reading is saved a...

Page 34: ...ettings for detector 3 Ihe It42350 display should now look like Figure 3 The integrated dose and the Intel dose timer should he 0 F U N C T I O N C O M M A N D M2350 RTZSPONSE Move to the north wall of the JINSIDEN room and enter the location code b After waiting for the ratemeter QO reading to stabilize log the ratemeterreading Movetotheeastwallofthe LINSIDEE room and enter the location code Aite...

Page 35: ...N DOS 42 The integrated dose will now he logged as sample 9 and the sample counter incxments to 10 9 6 View bgged nadings For this example the settings fi om sections 9 1 through 9 4 need to be entered into the It42350 f Then the example in section 9 5 needs to be done Ibis will store the trcaiings in the logging memory of the M2350 FUNCTION COMMAND M2350 RESPONSE Select the logged data display SV...

Page 36: ... 15 30 Date lU14l90 User I D UN123456 The following data is displayed Location code OUTSIDE W Detector O2 Type of reading SCALER Lqgged count 1 327OOOetO3 county 3osectmds The 1534 Date lU14 90 User I D UN123456 The following data is displayed Location code OUT IDOS qetedm 02 Type of reading IN TEGRAIIED DOSE Lqgged c4xmt 4 027148e 06 counttime 17lninutes The 15 38 Date 12 14 90 User I D UN123456 ...

Page 37: ...llowing data is displayed Location code INSIDE S Detector 03 Type o f r e a d i n g RATEMETER Logged count 1 629368e 03Count time 30seconds Time 15 53 Date 12 14l90 User I D UN123456 The following data is displayed Location code INSIDE W Detector 03 Type o f r e a d i n g RATEMETER Logged cault 1 312739e 03 Count time The 15 54 Date 12 14 90 User I D UN123456 The following data is displayed Locati...

Page 38: ...ximum of 83 l 3 done F UNCTION COMMAND M2350 RESPONSE recycle cycles An be To use the recycle mode the recycle setup must be done first This is described below Ihe recycle setup display is shown in Figure 10 The following data will be entered to prepare for the recycle mode It is assumed that the detector settings are already entered into the M2350 Only one detector is used during the recycle coun...

Page 39: ...te or l and then wait for 10 seconds At the end of the delay the scaler will be star l When the scaler times out the scaler count will be logged o The settings for detector l will then be loaded again The M2350 will then wait for 60 seconds and then log the ratemeterreading o The settings for detector 2 will then be loaded The M2350 will then tit for 90 seconds and again log the n meter reading 0 ...

Page 40: ...o display the count time when a count is in progress l Line 5 This line displays the back ground count o Have the background as low as possible 0 Use sources of approximately equal Sizes l Iine6 Thecountfiomsamplelis displayed here l Iine7 Thecountf omsamplel and sample 2 is displayed here 0 The combmed count rate from both sources needs to be high enough to provide about 10 to 20 dead time losses...

Page 41: ...d and used by the M2350 If the response is anything else this dead time is discarded and the previous value is kept FUNCTION COMMAND M2350 RESPONSE Select the dead time calibrate routine Start the background count Place SOURCE 1 by the detector and then start the count Without disturbing SOURCE 1 place SOURCE 2 by the detector aIsoandthenstartthecouIlt SSD C c C The M2350 now displays the dead tim...

Page 42: ...The M2350 will then return to the display mode that was active before the dead time calibrate routine was started The calibration constant routine is used to calculate the calibration constant and the dead time of the M2350 and the detector The mini mumdeadtimewillbeabout18 Muetothe signal conditioning circuitry This routineY es two readings taken at known points to calculate the dead time and the...

Page 43: ...unt is started the display changes to that shown in Figure 15 Ihe cmnt time will count down to 0 while the low sample count is updated At the end of the count time the count 30 SECONDS time lines will be COUNTING cleared and the L CAL 2 000e 03 Flglm 15 J CWbtationCorhntIaw Sample Count When the hi sample count i s YF VF completed the I lYT1 475020e 04 M2350 will calcu CC 1 490383e 08 late the cal...

Page 44: ...oint The M2350 will now ask for the low sample l iscommandwillstartthe count cycle At the end of the count time the counting message will be cleared and the count saved as the low sample count The M2350 will now ask for the high sample This command will start the count cycle At the end of the count time the counting messagewillbeclearedand the count saved as the high sample count The MY2350 will c...

Page 45: ...to store the new parameters in the terminal These settings are retained even when the power is turned off and the terminal is unplugged The fd step to program the terminal is to program the key that will provide the line feed chara r To do this press the CTRL key and SHIFT key at the same time While holding these keys down press the F2 key The display should ask which function key to define Press ...

Page 46: ...me users it is common to have difliculty getting good scans Make sure that the scan is not too slow and that the scanning speed codes remains uniform while scanning the bar The shorter bar codes are generally easier to pmctice the scanningprocedurewith because the shorter length will usually allow thespeedtoremainmoreun rm l2 2Barcfxlegenemtion Thebarcodesarethe3of9code This code has special data ...

Page 47: ...pF lOOV C 47pF lOOV C O Ol lOOV c O lpF lOOV c 27pF lWV C 22pF lOOV C 27pF lOOV C lOj lF 2ov DT loo lOV D r lp F 35V DT O l 5v 10 Z 2OV DT 4153 2N3904 4154 MI 6534 Ql55 2N3904 4168 2N7000 4174 2N7ooo l lNTlERAm U118 KM7556 u119 MM58274CN u120 DS1211 u121 CD74HC573 page 42 Part No 48 2058 5371 001 04 5565 04 5519 04 5533 04 5523 04 5521 04 5614 04 5552 04 5614 04 5592 04 5576 04 5575 04 5633 044592...

Page 48: ... 6248 lN523 1 07 6261 lN4148 07 6272 lN4148 07 6272 1OkTRIMMER 0943322 lOOkTRIMMER 09 6823 2 2k lo 7012 470k lo 7026 220k lo 7066 5 6k lo 7042 1Ok lo 7016 lOk 1 12 7540 look 1 12 7557 7 15k 1 8W 1 12 7620 1MEG lo 7028 35 7k l SW 1 12 7640 8 k l SW 1 12 7623 220k m 7066 150k 1MFG 10 7024 10 7028 lOk 1 12 7540 1MEG 10 7028 220k lo 7066 RN151 T157 Y158 Y159 22k SIP 1 OP M2221 300 9 4275 074 MICRG32 7...

Page 49: ...56 3kV C 33pF lOOV C i O Ol LF lOOV c O l AF lOOV c 0 0056 3kV C 22 F lsv DT 220 lOV DT O O056pF 3kV C lOOpF 3kV C O Ol lOOV c lOO lOV DT lOOpF lOOV C 0 0015 3kV p 33pF lOOV C l 35V DT O OOl lF lgOV c O OOlS 3kV C lop 2OV DT O lpF lOOV C 33pF lOOV C o oQlF lOOV c 13 8007 5371 002 04 5522 04 5521 04 5518 04 5522 04 5532 045592 04 5533 04 5527 04 5523 04 5533 04 5576 04 5573 04 5533 04 5522 04 5616 ...

Page 50: ...8 R2 47 OHlq 1 3w 5 12 7756 R 3 56k l W 5 12 7789 R4 4 7 MEG lo 7030 R5 1G 12 7686 R 6 47ok 1 3w 5 12 7757 R7 1MEGTRlMMER 09 6828 R8 look 1 3w 5 12 7747 R9 lOk 1 3w 5 12 7748 RlO lOOkTRIMMER 09 6823 Rll lk 1 3w 5 12 7750 R12 47ok mw 5 12 7757 R R14 lOk 1 3w 5 12 7748 LT1079CN LT1078CN8 CA3096 TLC372IP LT1078CN8 AD7549JN LM2578 CD4098BE LT1078CN8 LM385Z2 5 05 5755 05 5763 05 5765 05 5778 05 5755 06...

Page 51: ...EG look 1 3w 5 3k 1 3w 5 47ok 1 3w 5 1G look 1 3w 5 lOk 1 3w 5 33 2k 1 3W 1 1 MEG 1 3w 1 12k 1 3w 5 lk TRIMER 330 OHM l 3W 5 1MEGTRIMMER 22k 1 3w 5 lOk 1 3w 5 lk 1 3w 5 1 MEG 1 3w 1 80 6k 1 3W 1 1 MEG 1 3w 5 lOk 1 3w 5 RN1 220k SIP 6P 12 7685 R N 2 0 220k SIP 1OP 12 7578 12 7750 12 7755 12 7748 12 7647 12 7762 12 7763 12 7749 12 7748 12 7762 12 7790 12 7763 12 7793 12 7758 12 7746 12 7792 12 7748 ...

Page 52: ...3ZA22DRSN P3 CONN l 102866 0 P4 CONN 640456 5 MTAlOO P5 CONN 1 640456 O MTAlOO P6 CONN 640456 2 MTAlOO PlO CONN 640456 8 MTAlOO Pll CONN 640456 6 MT AlOO YOIIIt ceBoard 371x5 13 8181 13 8368 13 8057 13 8066 13 8073 13 8039 13 8095 BOARD I OIIGfiUXBoard 5371 005 27pF lOOV C o o47pF looV c loopF looV c lo 2ov DT 18 8771 18 8992 18 9019 5371 003 07 6272 076306 lo 7009 M 5614 04 5565 04 5576 04 5592 p...

Page 53: ...33 OHM R19 8 2k R20 R21 3 3k R30 10 OHM l I3ImcmRw R N 3 3 1Ok SIP 6P TIRANs Tl M235oEL l CRYSTW Y25 6 144 MHZ 0 s 04 5578 05 5755 06 6188 06 6278 06 6236 07 6261 lo 7001 m 7015 m 7013 lo 7046 12 7777 4275 090 01 5212 P 6 P7 P 8 P 9 CONN 640457 2 MTAlOO 13 8147 coNw64o457 o 13 8168 CONN DD15F3S6OOX 13 8198 CONN 64 457 4 Ibf IAlOO 13 8089 page48 ...

Page 54: ...0 455 20P Sl 71OLSyZQE 08 6511 s2 MRS l 10 08 6513 KNOB 50 lWD 1G 08 6612 s3 30 l PB GRAYHILJL 08 6517 s4 TOGGLE MTA 206 PA 08 6657 Bl B4 BATIERY DURACELL D l IL3YImmm 21 9313 Rl R2 1OOk NON LOCKING 09 6756 KNOB SO 1 1G 08 6605 lk t lo 7009 I 350 HANDLE 7371 011 M2350 CAN ASSY 4371 029 M2221 BATTERY HARNESS 8261 089 M2350 MAIN HARNESS 8371 019 M2350 RIBBON HARNESS 8371 020 M2350 FRONT PANEL 9371 0...

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Page 56: ... Amplifier Power Supply Ebard Drawing No 371 x 2 Amplifier Powzr Supply Board Component Layout Drawing No 371 x 24 Ekkplane Bo Drawing No 371 x 3 Backplane Board Component Layout Drawing 371 x 29 I O Interface Board Drawing No 371 x 5 I O Intim Ebard Component Layout Drawing No 371 x 30 Wiring Diagram Drawing No 371 x 4 ...

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