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CAPNOMAC ULTIMA SERVICE MANUAL

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1. 1 3 62 02 91614 7 7012 mL tee EP dt 38 880069 1 74 CAPNOMAC ULTIMA SERVICE MANUAL 5 38 xxj NOT IN USE Figure 5 22 Power supply board parts layout and schematic e oe diagram part 2 board modification level 3 and RF 228 Ct E 3 14 T m 571 143524 m 1N 18 N7C 1N4148 2 8 3 9 5i v3 16 Rb RB R13 R14 cs 3 92 243R 6 81 IN C11 C16 14148 b teow viz 1RF 226 R1 42K 831 R18 R15 47 5 198R m 3k92 5 L2 I 1 2 15 4 uti ZI VT na 4 15 5 1 143524 DE 8C182 e D 7 7 184148 20 INOAB 23d 8 e Vig Li 627 22 254 EPOD UR 4 22 22 24 55uH i 16N C mee ese R36 C24 _ i 1 2 051341 EXFL R34 D m 4 7 7 253 Las nese v35 v2 POWER TO MOTHERBOARD X5 6 12v md ELT o SOR Z ibio 880070 2 sp 73 BRIGUINESS AU e e 15 R23 o2 2 COMP VIDED
2. January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 9 7 9 2 Service accessories em descripto Extension board lifts the board above the stack of boards to allow measurements 872930 Quick cal calibration gas 755582 Reusable gas valve 755533 Flowmeter 874521 Spirometry test pump 880277 Spirometry tester 884202 January 15th 1997 6 9 ULTIMA TM sERVICE MANUAL Exploded picture of the monitor all except 27 model Figure 9 1 L June Ist 1994 5 9 9 CAPNOMAC ULTIMA SERVICE MANUAL Exploded picture of the monitor Figure 9 2 27 model revisions 08 and lower June 156 1994 5 9 10 CAPNOMAC ULTIMA TM SERVICE MANUAL Exploded picture of the monitor 27 model revisions 09 Figure 9 3 E E 6 se ks m ams es January 15th 1997 6 2 661 951 Jaquiaydag Pressure Special tube C02 Absorber Zero Volve ACX Measuring Unit Pressure OM 101 Oxygen iN Measuring 007 Damping Chamber Consiriction Cassette Somple Gos OUT Smail Damping Chamber P Gos Flow IVANVW 39IANX3S wiV WELTN X31VGd S e 0 Un Q E Pressure Pressure Sper Transducer Volve gt Specic lube 25 CO2 tube i i Absorber
3. 5 35 5 9 Mother s used aie 5 39 02 5 39 5 11 Loudspeaker unt c t beetle as 5 30 5 12 Internal connector 5 43 30 Moos MR CN 5 53 SA AN bent NCSC at lios noe oum istae 5 59 5 14 1 ASX Agent Identification Bench sese 5 50 SAZASA preamplifier De em tique de ta lenem raa idi 5 61 SI IASA DOIA OA a Eat 5 61 DrOCOSSITIB oe 5 63 SERVICE AND TROUBLEESHOO ING d pl 6 1 Gi General Service 6 1 6 2 Disassembly and reassembly 22 et oet ee bur ecu pee e eei 6 2 652 6 4 6 5 5 92 6 6 6 7 6 8 0A Troubles Ete em 6 9 641 Monitor start up sequence 1 1 6 9 6 4 2 Troubleshooting in general 6 10 6 4 3 Gas sampling system troubleshooting 6 12 6 4 4 Gas measurement troubleshooting eee 6 15 6 4 5 measurement troubleshooting eene 6 17 6 4 0 SpO measuring electronics troubleshooting
4. Quee ita con co apu 5 32 3419 Video ASIC board parts layout sue so ies ei n uan tau de dar 5 33 5 19 Video ASIC board schematic diagram eee 5 34 5 20 Power supply board block diagram and transformer diagram 5 36 5 2 Power supply board signal waveforms and schematic diagram part 1 5 37 5 22 Power supply board parts layout and schematic diagram part 2 5 38 3 25 Mother board parts layout aput a t at ERR beum ad uie 5 40 5 24 Keyboard parts layout and schematic diagram 5 41 5 25 Loudspeaker unit parts layout and schematic 5 42 5 26 board block diagram and schematic diagram 5 55 5 27 board parts layout and schematic diagram 5 56 528 LED board parts layout and schematic diagram 5 58 5 29 ASX Agent identification benches eene eene 5 60 2 20 AS xboard block Lo taii dta Od br te aera cr READER 5 64 5 31 5 200 preamplifier board parts layout and schematic diagram 5 66 5 32 5 200 board parts layout and schematic diagram 1 5 67 5 33 ASX 200 board schematic diagram part 2 5 68 61 Gas sampling system troubleshooting chart 6 14 January 15th 1997 6 6 2 T
5. UL 3B 875979 5 March 151 1993 3 CAPNOMAC ULTIMA SERVICE MANUAL 5 40 b Figure 5 23b Mother board parts layout and schematic diagram part board modification level 5 and higher PRESSURE VALVE POWER FLATCABLE 6 q Lc Ctrl UL 3F 875980 5 876003 x3 5 BOARD BOARD TEST xis X13 M KEYBOARD GAS ZERO VALVE l ND et gt November 1st 1993 4 PRESSURE VALVE 15 15V 2 2 leo La 220N iva ee NEE 1 qj GNODIRI Be xe 5 2205 STORT T7 X6 POVER FAS i 1 YIDEO CPU x2 xi VIDEO CPU x2 t 15 157 XE te 19 Ib tb 1 215 5 4 15 20 UL 29 2b 7 2b e 2L DACT ALR ADS 3o 3b 35 2d 4a ALARU 49 48 4 _ 5 5 5b 72 5 DACI FLOW 6b Ju 6b 4 X9 02 UNIT 7o 7a 7b 1 7b 8b 8b 1 15 DIRTY 3 5063 02 9 9b 9b Y 19 ABCT W20 1 1 119 ita 116 11b 4 WN C 129 129 12b 12b 9 9 L5 130 130 13b a 13b x17 15V 146 14 14b 14b 77400392 15a ES 159 15b di 15 x5 T8 NW 160 281 160 16b 16b x 170 17a 17b I wet 17b OPO RISA 17
6. ULTIMA SERVICE MANUAL 0537 Manual No 878131 1 January 15th 1997 Datex Engstrom Division Instrumentarium Corp P O Box 900 FIN 0003 1 Datex Engstrom Finland Tel 358 9 39411 Fax 358 9 2787913 www datex engstrom fi CAPNOMAC ULTIMA SERVICE MANUAL 1 1 CONTEN 1 1 List of deus 1 4 BASE ot PAD le 1 7 WARNINGS AND CAUTIONS 2 22 2 2 1 INTRODUCTION AND APPLICABILITY OF THIS MANUAL 3 31 Introduction and applicability of this 3 1 32 Summary Of revision CHANGES waves 3 3 3 5 331 CAPNOMAC ULTIMA service manual 3 5 3 3 2 Record of manual updates carried 3 6 OD PB Uo Mack Mee 3 7 GENERAL DESCRIPTION 4 1 41 Operational 5 queste tac de Eta 4 1 AD Technical Specifications eroe trt e e le pego 4 6 4 3 Equipment classification dee ete ee estes 4 7 Principle Of Operations 4 8 441 Principle of measurement 4 8 442
7. 6 18 6 4 7 CPU board 6 19 6 4 7 Instructions after replacing the software or CPU leri 6 19 6 4 8 Video ASIC board troubleshooting eee 6 20 649 Power supply board troubleshooting eeee 6 21 6 4 10 Mother board Keyboard 6 2 6 4 11 board troubleshooting sssee ens 6 22 6 4 12 ASX Troubleshooting esee eene nnne nnno rnit nnns 6 23 6 4 13 Cleaning the measuring chamber of ACX measuring prr 6 24 January 15th 1997 6 ULTIMA SERVICE MANUAL ADIUSTNIENTS odorum pm A SEU UR Rea CR 7 1 7 1 Adjustments after component replacements Tal 7 2 Gas sampling system 7 2 7 3 Oxygen measurement adjustments 7 6 7 31 Offset Zero adjustment pede 1 6 4 2 US UMC I isolate eh s 7 6 7 3 3 Temperature compensation 20 2 7 6 requete AGI USING I 7 7 Jc CPU Board 7 8 7 5 Video Display Unit Philips Adjustments 2 000002 5 7 9 FUNCTIONAL FIELD CHECK tree 8 1 SAL sPreoperative CHECK NIST
8. NE Heu ine DICES TRATTE I S i 1 B 1 01 HLMP 2685 i i 3 i 1 1 N i 1 i l i R2 imi 2 1 12 445 DIRTY d 2 72 ALARU LED 23984 3 13 4075 1 i boul bet a Si eo AE 4 NIMI LATTE 1 i DATEX SIVU ULT muunnos 27 a Ta one KIUT TARK 05 WERKKT INSTRUMENTARIUM OY a ag r TARK 3B 876925 1 2 5 4 5 6 1 8 9 CAPNOMAC ULTIMA SERVICE MANUAL 5 59 5 14 Agent Identification ASX agent identification benches Figure 5 29 ASX board block diagram Figure 5 30 ASX preamplifier board parts layout and schematic diagram Figure 5 31 ASX board parts layout and schematic diagram part 1 Figure 5 32 ASX board schematic diagram part 2 Figure 5 33 5 14 1 ASX Agent Identification Bench Agent identification is accomplished by using special properties of optics and filters that allow the unique waveform patterns of each anaesthetic agent to be drawn into memory This drawing is compared with data in the software algorithm from which identification can be made and displayed IR light is emitted from a light source into a long single measurement chamber After passing through the measurement cha
9. Power supply board X6 Video unit main pc board Power supply board X8 Loudspeaker Power supply board X9 board Xl Mother board X4 ASX preamplifier board XI ASX board X2 ASX board X5 Mother board X14 General troubleshooting chart eee Gas sampling system troubleshooting chart Power supply board troubleshooting chart ASX troubleshooting 1 8 5 52 Mp 5 65 6 23 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 2 1 WARNINGS AND CAUTIONS WARNINGS A WARNING indicates that there is a possibility of injury to yourself or others PROPER GROUNDING For protection against shock hazards connect this monitor only to a three wire grounded hospital grade receptacle Do NOT remove the grounding prong from the power plug Do NOT use extension cords or adapters of any type The power cord and plug must be intact and undamaged Should the power cord or plug become cracked frayed broken or otherwise damaged it must be replaced When connecting an external AC operated equipment to the monitor make sure that the equipment is properly grounded Do NOT perform any testing or maintenance on medical i
10. 50K 8 15 15 SA COMP 1 0 6 651 CND DiIRIY Ctrl 881583 P N Order code 880882 POWER BOARD DATEX INSTRUMENTAR UM OY March tst 1993 3 CAPNOMAC ULTIMA SERVICE MANUAL 5 38a A D E E Figure 5 22a Transformer diagram and schematic diagram part 3 board modification level 3 and higher APPLIANCE INLET POWER SWITCH INTERFERENCE BOARD 1 BN Mains To Voltage BOARD Connector X1 TRANSFORMER COVER ADAPTIONS WIRING BN to 235V BU to OV 27 28 29 BN to 115V BU to BN to 115V BU to 15V November ist 1993 4 456 In a 1 ADAPTATION 79 2 H 2 wt cer E u 6 9 252 22 INFRARED LAMP E 16 2 42 99 C02 MEAS UNIT d 4 26 4 10 MOTHERBOARD 40 14 3 2 9 C SER ing 22 23 27 26 arse EET 39 2 25 24 29 32 33 28 E 31 0 v1 e 187226 5 4 S OR x x 5 A ECG TESI CK0A 1 CONNECTOR frc 9 13 x4 13 1 1 1 5 16 1882 19 915 9 54 14 826 AFT Rad ___2 RES RES
11. 3 18x6 35 mm Silicone 73315 El 23 3 18 6 35 mm Silicone 73375 Damping chamber 4 8x9 5 mm Silicone 73376 zd D4 1 7 1 05 mm Silicone 73373 4 10 2 5 mm Silicone 73377 ESSR OM 101 z 5 12 9 Selected individually see Table 5 2 for alternatives E D Damping chamber 57150 Absorber 890641 D 19 L piece 733811 T piece 733821 Adapter piece 73388 Dust filter 86901 Small damping chamber 879355 Front panel D fend water trop On the absorber stond EG i 2 0 19 0 tas 18 5 H d U Note Constriction cassettes are selected to adjust proper flow 12 12 12 Room oir NO f 1 4 rates See Table 5 2 for alternatives Part No Os o sa common January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 6 Table 5 2 Flow constriction cassettes Constriction cassette 878048 873800 878047 873801 878046 873802 878045 874770 873803 874509 873804 873805 878044 873806 878043 873807 878042 873808 878040 878039 878038 873809 878037 873810 878036 873811 873812 d we lt gt NOTE The latter number is a relative figure for the flow through the constriction e g 50 26 0 is the shortest constriction and 50 1 the longest January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 7 5 2 CO N 0 AA measurements 5 2 1 In general
12. I D 5 according to primary identified gas in mixture In other cases the second digit 1 7 second digit but this represents secondary identified gas in mixture total ml TV high x 1000 TV low For adults string value is the same as compliance value ml cnH O ml kPa ml mmHg ml mbar For pediatrics string value is compliance value for all the units ml cmH O ml kPa ml mmHg or ml mbar ressure value for units cmH O String value is the same as the string value is 10 x pressure mmHg and mbar For kPa value I E ratio is 1 0 1 x string value Analog output selection at serial and analog connector in 18 in 13 0 Tow Palume 1 V amp P flow pressure 2 V amp P volume pressure The first second digit are always 0 The third digit indicates either adult or pediatric pressure unit adult pediatric pressure unit 0 4 2 1 5 2 6 mmHg 3 7 mbar String value is 10 x CO value for units and kPa For mmHg the string value is the same as CO value CO unit 000 001 mmHg 002 kPa January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 4 Alarm Activation Deactivation String When an alarm is activated or deactivated a special string is transmitted String code for activation messages is B99 or U99 and deactivation B98 or U98 Note that character 7 below indicates a blank Activation strings B99 0CC B99
13. DUNS Ms Co No e 5 ae Ias Eug pp Ui ar 4 ERN i m gt January 15th 1997 6 271 438 WO 191 3 963 2 x80 191 46 SINAIA 922 160151524 02131224580 ULTIMA SERVICE MANUAL 7 10 Figure 7 4 Video display unit Philips schematic diagram R4 E 33 5 22 R46 PROT 5 82 22 4 A lt ta lt lt lt 2 gt gt a 30 mig 6 lt tJ 41 63 ary 2 OQ lt lo SSINLHOTY 21 39 3 2 VIDEO jore V SYNC OT D nt 5 m o V 2 11 4 05196 9 4 r 2 05 55 991 S 1504 16 935 x19c5vi n2 630V 1000V Q w c1 242 1099 Ar4042 46 HRIS19 5 lt 823 e R22 12 NFR25H 330p 500V SFR25H BEAD 20 220v 16V 150u i6V EKR 035 414 63 C5 22u 100V p 21 gt 24 622 10U 100V 037 09 210Vtt 832 e 5 W ec 1 R33 R3 VR25 820K 2 5 10004 16 18 a L DY 100 35 51203
14. 8 1 8 2 Checks after component replacements 8 2 8 3 Preventive maintenance check 18 8 6 8 4 Preventive maintenance instructions 8 7 SPARE PARTS d esu pe a addet Rua Et UNES 9 DATES nott el etu eate 9 1 22 ACCESSO 2 7 OLD REVISIONS nic fuf es bate 12 1 A COMPUTER OU EPUT dose EP quitus 12 1 B GRAPHICS PRINTER etin 12 9 C TRILINGUAL LIST OF ERROR MESSAGES 12 12 January 15th 1997 6 1 3 CAPNOMAC ULTIMA SERVICE MANUAL 1 4 a 4l gas absorption spectra 4 8 4 2 Absorption coefficients of oxy and deoxy hemoglobin in the red and TETONS a a 4 11 43 General block diagram a EE EEAS 4 13 AA Wene Gta EE o DT 4 14 45 Example of Flow and Pressure Waveform esses 4 19 46 How to Find Corresponding Pressures From the 22 2 0 4 20 47 Pressure volume loop Flow volume loop and their interpretations 4 21 48 Anaesthetic Agents Gas Absorption Spectra
15. SERVICE MANUAL Figure 5 32 ASX 200 board parts layout and schematic diagram part 1 MITTAUSKORTT 5 4F 879386 1 07 March Ist 1993 3 5 67 15 e RI15s 47 5 or 75K j gf 43 11 TLO74 12V 474 ca 220p 5 611 p Goines 4095 33 0ffsetz 13 6986 25 us d SYNC 24579 19 1 ho gt gf TT L 771 AS 5 3 T 10 11 e ACHU 14109 1 3 PH apap 2 2 ADIT I 7 _ 23 4017248 012 1 71 12 Apta 2714 1L 7 ACH7 tz D3 P2 t RXD P2 2 EXTINT 19 P2 TICK RUE yilo P2 4 T2RST V 2 5 29 N C vias P2 8 T2UP DN g P2 7 PACT 28 y V DATES T Oo 0 urre 7NSTROMENTARIUM OY PG egaa AS 58 882379 Els po T 3 5 6 T CAPNOMAC ULTIMA TM SERVICE MANUAL Figure 5 33 ASX 200 board schematic diagram part 2 5 68 March 1st 1393 53 Y14 184148 626 527 1 4 55 C31 C32 160 AGND 2 1832 18
16. d 81 63 9206 or 5 65 7934 6 DATEX EMOLE VY ULT MCt4t3 15vDIRTY LAMPON SKS 24 97 8 96 99 99uvK 9 9 x 5212 _ 1 2 BIDEN NO MUUTOS 21 5 89 UL 3B 875979 6 1 2 opa o oM iz CAPNOMAC ULTIMA SERVICE MANUAL 5 40 Figure 5 23c Mother board schematic diagram part 2 board modification level 5 and higher November Ist 1993 4 H 19c m 194 19b 2 Pe n P 00 210 2 SERBUTT 2 216 225 97 021 158 229 228 gt FU i 22b 230 00 234 23 P cU TS 240 24 24b gt 24 154 25 255 25 269 260 26b 26 270 27 11 HA 2130 S DR 796 29b DasvorgrY ies 2 2 i Jio 127 31b 31b 320 5 SN DIRUY GNODTRTY 532 32b PAY A L 32 BUS X3 ACX 4 l te 2c T REF 18V REF 2c EM ADUTS AA ee 0 92 4c 5t 26 5 DACO PRES 006 Vi R y ADCd VOU R 8 27 963 9c x 9c J SSIGN 14 lt Ite 116 12c 126 136 13e 16 14 15 166 J6c 16c 17 176 18c SERING 18 196 1 19c 2 28c 216 TM 21 226 2 Til 22 23c SERIN 23c L the 24c 256 25 26c 26c 276 21 286 5 57 uv cio ZINAT ki 32c 32 NOTE TE a AI
17. 58 885517 Hr 3 1 Le ft ed qp EU gt January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 35 5 8 Power supply board Block diagram and transformer diagram Figure 5 20 Signal waveforms and schematic diagram part 1 Figure 5 21 Parts layout and schematic diagram part 2 Figure 5 22 Schematic diagram part 3 Figure 5 22a Principle of operation The primary of the power supply is designed to double insulation requirements for added safety Depending on model there 15 either one 100 120 V countries or two 220 240 V countries fuses The primary operating voltage is factory selected by insulating and folding the unused primary leads inside the additional insulation tube The mains transformer is magnetically shielded to minimize screen disturbance The power supply board contains basically four DC sources 5 V switched for digital circuitry and ACX measuring unit 15 V switched for motors pumps and other components 15 V for analog amplifiers Data retention voltage generation circuit supplies 5 V DRV voltage for memory from switched 5 V supply Also 12 A for the CRT unit and serial drivers receivers is derived from the 15 V switched voltage The 12 V for the serial I O is derived from 15 V The 5 V for the infrared lamp is controlled by the ACX measuring board v
18. There is an optical sensor incorporated in the photometer which detects light from a reflective surface on the filter wheel once every revolution The pulses from this sensor are used to synchronize the electronics to the signal from the infrared detector A stabilizing diode measures the temperature which is needed to compensate for thermal drifts The infrared detector the optical sensor and the stabilizing diode are mounted on the preamplifier board see Figure 5 5 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 9 TEMPERATURE t CO2 N20 OM 101 DETECTOR SIGNAL MEASURING MEASURING CHANNEL UNIT 02 SIGNAL ACX MEASURING UNIT PHOTO METER PHOTOMETER i PARAMETERS gt C02 N20 02 PROCESSOR SERIAL MOTOR SPEED CONTROL PRESSURE SAMPLINC SYSTEM PRESSURE i ACX MEASURING BOARD 4 10 REFost 10 VDC REF 10 REF MOTOR CONTROL treme TEMP TEMPERATURE SENSOR 02 SIGNAL FROM 101 TIMING Dy PREAMP mt et Y om 9 n CURR PEAK SAMPLE nsn 27 Ep CHANNEL SELECT PEAK SEARCH ARK TIMING HOLD PRES PRES PRESS SERIAL CONST a I PROCESSOR FILTER WHEEL i gt SAMPLE gt N2
19. 0 2 vol 90 0 to 8 96 0 4 vol 8 to 10 96 End tidal and inspired CO Continuous Scale 6 to 10 or 0 to 15 90 0 to 6 0 10 0 to 15 kPa 0 to 50 0 to 80 0 to 110 mmHg Sweep speeds 7 mm s and 0 7 mm s 15 and 150 seconds full screen sweep 0 to 100 480 ms lt 2 vol 90 24 h 3 vol 10 2 vol 96 End tidal and inspired Continuous difference waveform scale is same as in CO waveform Sweep speeds 7 mm s and 0 7 mm s January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 2 N O Measuring Range Rise Time Gain Drift Gain Temperature Drift Nonlinearity Display 0 to 100 lt 360 ms lt 2 vol 24 h lt 3 vol 10 C lt 2 vol End tidal and inspired Anaesthetic Agent performance with pure agents HAL ISO ENF Extended SEV Extended DES Extended Rise Time Gain Drift Gain Temperature Drift Display Numeric Waveform Agent identification Identified agents Identification threshold Identification time Mixture warning Measuring Range Accuracy 5 0 2 vol 96 5 to 1596 unspecified 0108 lt 0 2 1 8 0 15 unspecified 01018 05 0 2 vol 9o 5to 10 0 5 vol 96 10 to 18 1 0 vol 96 18 to 30 unspecified 520 ms 0 4 vol 96 24 h 0 4 vol 10 End tidal and inspired Scale 0 to 1 2 0 to 2 5 96 0 to 5 0 to 10 0 to 20 96 Sweep speeds 7 mm s and 0 7 mm s HAL ENF ISO DES SEV
20. DATEX ULTIMA SERVICE MANUAL 5 36 External Connections External Connections y External Connections ACIN F2 E 5 Reguloto 15 Analog Circuit Supply Loudspeoker Switchin 57 6 Bower 5 Wty Digitol Circuit Supply M IR Lamp A1 V8 Reset Reset Signol Switching 415 V DIRTY Power Pump Motor Etc Supply CRT Unit Serial 1 0 Doto Retention Supply 26 VOC 26 VO External Connections Reguloto 15 A7 12 V gt Serial 1 0 MAIN S FUSES m F Y FOR Analog Circuit Supply Figure 5 20 Power supply board block diagram May 2nd 1991 1 DATEX ULTIMATM SERVICE MANUAL Figure 5 22a Transformer diagram and schematic diagram part 3 board modification level 3 and higher APPLIANCE POWER INLET SWITCH F1 XI 12 5 A S L RD 235v 22 V 25 Mains ME BK 22 v 2 Y V 2 5 Voltage F24 5 N 57 T2 5 A _ WH pua 15 rus uit BU gt ____ 9 Fuse F2 not in adaptations 27 28 and 29 ine voltage filter High voltage capacitor and Gr und choke only in adaptations 33 except ULT 1 and 5 nodels If no polarized mains plug ond mains socket outlet system is used position of line L ond neutrat in the opplionce iniet depends the position of mains plug
21. Teflon tube p ASX Ager i 72 79 ACK tion Unit gt Meosurng i Unit Oxygen Measuring Unit Domping gt Chomber lt Room Ar Q m gt 625 Flow e DATEX ULTIMA SERVICE MANUAL 5 4 Figure 5 2 1 Gas sampling system layout without i parameter Somple out 22 Rear panel 50 9 37 Dust filter Damping chamber 2 Measuring unit ACX H i N 7 ps Pum We Meosuring board Smail damping chamber Gi LG 0 Pressure A 6 tronsducer 1 5 u i 50 1 1 Input 5 Ce N R 1 1 1 eee 50 19 0 On the absorber stond Front panel J J fend water trap Room air Sample Cy es O t T C Part No NO normaly open NC normaly closed C common September 1st 1992 2 Oe IAM Table 5 1 1 Tube lengths without i parameter Special sample tube 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 1 7 1 05 mm Silicone 3 18x6 35 mm Silicone 3 18x6 35 mm Silicone 1 7 1 05 mm Silicone 4 8x9 5 mm Silicone 1 2 mm PVC 1 2x0 3 mm PTFE 1 7 1 05 mm Silicone 3 18 6 35 mm Silicone 1 7 1
22. sese 4 23 5 Gas sampling system schematic diagram sese 5 3 3 241 Gas Sampling system 1ayOUL HER ede RHE __ __ 5 4 3 222 Gas sampling system layout sre nessa Stored tentat ea din 5 5 53 CO N O AA measurement block diagram 5 0 LE ACX 5 10 5 5 Preamplifier parts layout and schematic diagram 5 12 Mmm lp estt ots A ee tabs 5 13 5 7 ACX Measuring board block diagram and schematic diagram part 1 5 17 5 8 ACX Measuring board parts layout and schematic diagram part 2 5 18 5 9 ACX Measuring board timing diagram and schematic diagram part 3 5 19 5 10 SpO Measuring board block diagram and schematic diagram part 1 5 22 5 11 SpO Measuring board parts layout timing diagram and schematic ED 5 23 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 1 5 5 12 SpO Measuring board signal waveforms and schematic diagram 5 24 5 13 SpO Measuring board schematic diagram part 4 sse 5 25 5 14 CPU board block diagram and schematic diagram part 1 5 28 5 15 CPU board parts layout and schematic diagram 2 2 5 20 5 16 CPU board jumper configuration and schematic diagram part 3 5 30 HO Ede Ube
23. 3 lt 05 9061 t3 LUN JAU A 1H3 de A06v AW 04 January 15th 1997 6 CAPNOMAC ULTIMA TM SERVICE MANUAL 7 11 Figure 7 3 Video display unit Philips schematic diagram CRT 142 4 306 EHT 12KV gt 25W R101 l gt gt o 2 VVVV ANS V 1102 9 c gt gt ELE _ A ix d 1 21 Q elem ci FOCUS R105 0101 3A gt ze Q 21 ec e 60V R106 i oe E NFR25H 0101 GND R107 S o 8C556 12V 0103 gt 5 BC546 C104 C105 e o 5 o lt gt E Q102 R108 VIDEO BC549C e 22 e 11 56 410E C106 8111 Riil C106 J101 L103 0102 0101 nr January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 1 8 FUNCTIONAL FIELD CHECK PROCEDURE 8 1 Preoperative check list Perform the following tests daily to assure proper operation of the monitor WARNING If the monitor fails to respond as described stop using the monitor troubleshoot and correct the situation 1 AIRWAY GASES a Confirm that the water trap container is empty and tightly attached and the water trap is properly attached to the monitor b Connect the gas sampling line to the connector on the water trap NOTE Occlusion pressure limit is set during start up Attach sampling line before turning monitor on c Turn the power on The monitor performs a start up and self test
24. PA3 4 5 6 PA7 CALL 5 44 CPU board Mother board X2 AGND 10 V REF DAC6 IR DAC4 DAC2 SpO DACO PRES ADC6 VOUT R ADC4 VOUT IR ADC2 ADCO 6 4 2 0 CTSO WR TO RTSO SERINO P1 0 INTO SERINI IP2 TIMERINO SERIN2 is A D converter and DAC is D A converter in CPU board January 15th 1997 6 ULTIMA SERVICE MANUAL Table 5 5 15 v 15 v AOUT6 AOUT4 VL AOUT 2 DACI FLOW AIN7 SAL ADCS5 AWL ADC3 AWP OADM BW Ne OPO RTSA SEROUT 1 RTSB SEROUT2 NC NC NC NC INTI 5 V 15 VDIRTY 12 GND DIRTY NC not connected AIN is an A D converter and AOUT is a D A converter in ACX board ACX measuring board ve NC NC NC NC NC NC NC NC AGND AGND LAMP 5 SSYNC SMOTOR PCO N PC2 FGAIN 1 PC3 FGAIN 2 OCCLUS PC5 PUMPON PC6 ZERO PC7 RTSO 1 2 4 5 6 ALR CALL 5 45 Mother board X3 AGND 10 V REF 5 AA AOUT DACO PRES ADC6 VOUT VOUT IR ADC2 AIN SSIGN NC NC NC NC NC NC TO RTSO SERINO 0 INTO SERIN 1 IP2 TIMERINO SERIN2 NC NC NC NC INT3 5 5 21 DGND 15 an A D converter and DAC 1s a D A converter in CPU board January 15th 1997 6 CAPNOMAC ULT
25. SERVICE MANUAL 5 25 Figure 5 13 5 measuring board schematic diagram part 4 board modification level 8 and higher VLEO YLED v82 283994 LED CONTROL CIRCUIT RESISTORS INDIVIDUALLY SELECTED OF VALUES R38 R88 8 25 8866 9 99 R81 68RT 75R6 8275 R122 7588 8285 9089 4 4 N 0 OS 3B 875835 6 8 9 arch 1st 1993 3 5 6 DATEX CAPNOMAC ULTIMA SERVICE MANUAL CPU board Block diagram and schematic diagram part 1 Figure 5 14 Parts layout and schematic diagram part 2 Figure 5 15 Jumper configuration and schematic diagram part 3 Figure 5 16 Principle of operation The CPU board contains in addition to the 8051 CPU and the standard EPROM RAM and EEPROM several analog and digital I O functions See the CPU board block diagram The CPU D5 uses the CPU board internal bus to access most of the peripheral circuits the on chip peripheral ports are directly used for analog multiplexers MUX and serial channel 0 ASCII computer output The computer output is explained in Appendix The three memory chips jumper selected for 1M bit program EPROM D1 32 x 8 kbit low current CMOS RAM D6 powered by the data retention voltage and EEPROM D4 for permanent calibration value memory See the jumper configuration Analog input signals are read through the multiplexer A3 to the A D converter A2 Control signals of MUX are in port 1 on the microprocessor a
26. September Ist 1992 2 ULTIMA SERVICE MANUAL 6 8 2 DATE SET Choose DATE SET with the 4 key Set the day dd month mm and year yy correct Press the RIGHT key to accept the number and move to the next item Return to the previous stage by pressing the NORMAL SCREEN key 6 3 4 Factory reset You should perform the factory reset if you have changed the software EPROM you have changed CPU board or the EEPROM chip on the CPU board Activate factory reset by pressing the 2 key yes After the reset all settings and calibration values are replaced by factory set values and error list memory is cleared Before returning to monitoring perform gas calibration January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 8a 6 3 5 PVX service PARAMETER Pres Awp Pres Min Pres Max Flow0 Flowl Flow Flow Volt Vol Exp Vol Insp Vol Min Exp Vol Min Insp Pres Zero Pres Gain Flow Offset Adj Insp Gain In PVX service the following parameters and their values are displayed Only the parameters marked with are allowed to be adjusted To adjust first move box with the NEXT key to the parameter Then increase or decrease the value with the arrow keys Press the SAVE key to validate the change EXPLANATION Overpressure or negative pressure in the airway at that moment is displayed in cmH2O Display range 99 9 cmH5O Minimum and maximum pressure is displayed Display
27. cables are properly connected all IC s that are on sockets are properly attached tubes are not pinched and there are no sharp bends on them January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 8 10 11 172 tubes are properly connected there are no loose objects inside the module Note Make sure that none of the tubes is in contact with the sampling pump or O sensor Replace the parts included in the Preventive Maintenance Kit Note Use only Datex Engstrom sampling lines in order to ensure proper functioning Connect the mains cable and switch the monitor on Check that the fan is running Wait until the message Calibrating gas sensor disappears from screen then feed calibration gas 755582 to the sampling line and check that the values are within the limits CO 5 096 0 4 3 096 0 4 55 4 33 4 If the values out of the limits perform gas calibration before proceeding to the next item Push the Mark Reset key as long as the Startup menu appears Enter the Service Menu 3 Write down the information regarding software versions Enter the Error list 3 for checking possible error messages Push Normal Screen to return to the Service Menu Enter the Gas Service 1 Check that the Calibration constants zero value for 0 15 less than 61000 If the value exceeds the limit it indicates bad contamination in the ACX measuring chamber
28. x ms E __ ASX Board Figure 5 29 ASX Agent identification benches January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 61 5 14 2 5 preamplifier board 5 14 3 ASX board The absorption of infrared light is measured with a lead selenide detector The signal is amplified with AI and then led to the measuring board The measuring electronics can be divided into a few functional blocks which are described below See the block diagram The ASX board controls gas measurements It converts the ASX photometer signal to digital data calculates results and communicates with the main CPU through a serial channel The board contains in addition to the 800C196 processor EPROM RAM and EEPROM several analog and digital I O functions Processor section Sync pulse Processor D2 is a 80C196 and works at 12 MHz It has an internal A D converter with a multiplexer One channel is used for converting temperature signal Two others are for the measurement signal from preamplifier board The processor uses an internal bus to access EPROM D7 64k x Sbit SRAM D6 8k x Sbit and two D A converters It communicates with the main CPU through a serial channel RXD TXDB EEPROM D5 is a 64 x 16 bit serial chip It is partly protected so that if jumper XI is installed the processor can erase or write the protected registers by serial communication commands The protected section contains permanent factory calibrati
29. 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 10 Figure 1 Schematics of the isolation box board modification level 1 and higher x1 Ser out 2 17 4 1k 40 3 January 15th 1997 CAPNOMAC ULTIMA SERVICE MANUAL 12 11 Figure B 2 Layout and assembly of the isolation box board modification level 1 and higher B OO D CC 873160 1 22 TE January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 12 C TRILINGUAL LIST OF ERROR MESSAGES CALIBR GAS GAZ ETALON KALIBR GAS DETECTED DETECTE ERKANNT January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 13 RF TIEF _____ MEMORY CHIP FAILURE ERREUR CHIP MEMOIRE ROM CHECKSUM ERROR ERREUR DE ROM FEHLER PULSE SEARCH RECHER POULS NO PULSE PAS DE POULS PAS DE CAPTEUR RF HOCH D FEND ERNEU Ppeak HOCH Ppeak TIEF PEEP HOCH MVexp HOCH MVexp TIEF SPEICHER CHIP FEHLERERREUR ROM CHECKSUM PULS SUCHE KEIN PULS NO PROBE KEIN SENSOR PROBE OFF CAPTEUR DECONN LOW PLETH SIGNAL SIGNAL PLETH PEU FIABLE CHECK PROBE VERIF CAPTEUR SpO2 HIGH SpO2 HAUTE SENSOR LOSE GERINGES PLETH SIGNAL CHECK SENSOR SpO2 HOCH SpO2 LOW SpO2 BASSE SpO2 TIEF PR HIGH FP HAUTE PF HOCH PR LOW FP BASSE PF TIEF SpO2 ARTIFACT ARTEFACT SpO2 SpO2 ARTEFAKT January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 14 J
30. 2 10 12 VDC 26 VDC out 11 15 VDC 22 VAC 12 15 VDC 22 VAC 13 V or P 1 0 to 10 v 2 same scale as on screen 3 HAL ENF ISO SEV 0 to 10 DES 0 to 20 96 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 17 Table 4 3 Pin order of the AUX I O connector PIN SIGNAL PIN SIGNAL Analog ground Serial out B Serial out A 5 VDC Serial in A Serial in B RTS A CTS A PBI Signal ground Nurse call PBO 26 VDC 12 VDC not in use 12 VDC 26 VDC not in use 22 VAC not in use 22 VAC CTS B max 2 mA Video Connector Output 1 Vpp 24 MHz 75 Ohm hsync 15 75 kHz vsync 50 Hz For internal connector pin configurations see Tables 5 3 to 5 23 January 15th 1997 6 ULTIMA SERVICE MANUAL 4 18 4 8 Principle of Patient Spirometry In anaesthesia CMV Controlled Mechanical Ventilation is the mostly used ventilation mode In this mode mechanical breaths are delivered to the patient by a ventilator with a proper tidal volume TV respiration rate RR and inspiration expiration ratio in time determined by the settings of the ventilator Delivery of life support gases is based on pressure However without knowing volume measured of exhalation one cannot be sure that a breath occurred The ultimate goal of ventilation is to use the least amount of pressure to generate the most appropriate volume f
31. 875842 SpO measuring board 25 05 below 679348 SpO measuring board rev 06 881989 CPU board 11 rev 05 and below 878822 High Speed 16 MHz CPU board rev 06 and 883450 ACX 200 measuring board 880270 ACX 200 measuring unit complete incl measuring board bench and software 879838 ASX 100 unit incl boards bench software 881107 ASX 200 unit incl boards bench software 882718 Power supply board unit 880882 Video control board rev 04 and below 870646 Video control board rev 05 and up 883108 Video control board rev 08 and up 885480 Mother board 876003 LED board 27 877338 Transformer filter board 883899 NOTE New main software and the High Speed CPU board are compatible with the old and new SpO measuring board and with ASX 100 ASX 200 ACX 100 and ACX 200 sensors NOTE The SpO measuring boards 881989 and 888210 operate only with the new main software rev 06 and up and High Speed CPU board NOTE ACX 200 measuring board measures Sevoflurane and Desflurane in addition to Halothane Isoflurane and Enflurane The difference between the 200 measuring board ACX 100 measuring board 15 that the former contains several precision resistors The ACX 200 measuring board can simply be used to replace the ACX 100 measuring board but not vice versa NOTE The video control board 883108 can be installed into monitors of rev 04 and below The old v
32. EtAA x 100 FiAA x 100 AA selection P Respiratory rate UOl string string type Marker no EtO2 x 10 1 2 x 10 ET balance gas Fi balance gas ASX status Automatically identified gas Reserved EtAA primary gas x 10 EtAA secondary gas x 10 FiAA primary gas x 10 FiAA secondary gas x 10 Gas pressure mmHg MAC x 10 Recorder output Status Pulse rate SpO2 IRED ampl RED ampl Gain Status See Notes on the following page 12 2 U03 string U04 string string type string type MV exp l min x 10 EtCO2 MV insp l min x 10 FiCO2 TV exp high 1 7 CO2 unit 19 TV exp low ml TV insp high 1 TV insp low ml V1 0 V0 5 adults pediatrics Compliance P peak P plat PEEP I E 6 Reserved Reserved Reserved Reserved Recorder output 8 Units status Status UO3 string is available only if V option is installed January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 3 NOTES 1 2 3 4 5 6 7 8 9 10 ENF ISO HAL DES SEV Three blanks when agent 15 selected Manual selection overrides the automatic selection XYZ x No identification S Identified gas Halothane Enflurane Isoflurane Desflurane or Sevoflurane Freon Calibration gas M Mixture Y In case of mixture first digit is M second digit is
33. Punciple of O Measurement 4 9 443 Principle of SpO measurement 4 10 45 General block diagrams ehe t aseo 4 12 AO WEILE TAS ERE 4 14 47 External connector 4 15 4 7 1 Input Output specifications 2 10400000040000000000000000000000002 3 4 15 eo eser 4 15 4 8 Principle of Patient Spirometry 4 18 49 Principle Ol agent idet CAM OD od oec on vtm de ve e eoe 4 23 DETAILED DESCRIPTION OF MODULES eere 5 deesse oue tb a tes idi atu Glan Diss siat 5 5 2 CO J NS O AA Measurements ore aec i it e t RON eb ai Ee 5 1 2 5 225 5 7 Preamp Wier Doard 5 11 3 3 105 measure militie 5 13 514 TACX measure eet udi 5 14 55 tried suit we DOAN 5 20 5 26 January 15th 1997 6 ULTIMA SERVICE MANUAL 12 37 rVideosASIC DOSEG 5 31 202 ZPOWEPSSUDDI
34. and V5 and capacitors through C4 The circuit produces an output voltage of approximately 34 V measurement The voltage across the 2 1 V stabilizing diode V14 decreases as the temperature of the photometer rises This voltage signal is used for temperature compensation EEPROM DI stores the photometer factory set gain and zero coefficients and compensation factors Filter wheel motor control A stepper motor rotates the filter wheel at approximately 83 revolutions second Stepper motor is driven by D2 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL Figure 5 5 Preamplifier parts layout and schematic diagram board modification level 8 and higher NOTE Do not touch R2 June Ist 1994 5 A3 184148 1N4148 7 6 3 78112 15159 7 T 4794 59 100 D 4 2 ICH 10K 4 144148 144148 lt PI P iu Ries tW RI ve 562K 012 190 35v 614 Du Toe WPS U55 LAR 35yDIRTY R15 R52 L___ 12 4365 1 2 GND M se AND RT7 SELECTED I cx AME n LUE NUCOSCS46N INDIVIDUALLY 1 8 5 NIWIE ESIVAHVISTIN 5925 _ 4 5 5 __ 7 1 10 1 5 3 CAPNOMAC ULTIMA SERVICE MANUAL 5 13 measurement The oxygen measurement is based o
35. and the whole ACX measuring unit is then need to be exchanged Note If the ACX measuring unit is exchanged due to contamination also the tube from measuring unit to zero valve the zero valve and the tube between zero valve and D fend should be replaced January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 9 13 14 15 16 17 18 19 20 21 22 Note Cleaning of the measuring chamber be tried as first aid but we recommend exchanging the measuring unit rather than cleaning Check that the shown Ambient Press value corresponds to the current ambient pressure 20 mmHg Check the CO absorber Place the tip of the sampling line away from you and let the monitor draw in room air Check the CO real time value If the value is less than 0 04 replace the CO absorber 0 00 indicates total absorber malfunction Check the zero valve Activate open the Zero valve 3 and feed calibration gas or some other gas that is available to the sampling line If the gas value s on screen change replace the zero valve Perform the sampling system leak test Check the flow rates adjust if necessary Note If any of the constriction cassettes was exchanged the leak test should be performed again Perform the pump test Block the tip of the sampling line by your finger until the PRE value becomes stable If the difference between Ambient press and PRE 15 less than 110 replace t
36. depending on atmospheric pressure Block the sample gas out connector and the pressure should rise about 60 mmHg January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 4 10 FLOW ZERO AND CALIBRATION NOTE Due to hardware and software improvements this flow zero and calibration is not necessary However if there 15 a reason for verification perform flow zero and calibration with Spirometry tester p n 884202 Instruction for use is accompanied The procedures below are still valid but not recommended a Connect the power cord and sampling line and turn the monitor on Wait for 5 minutes for the monitor to warm up b Press the SETUP SCREEN key and choose Paw in the top field and V in the middle field of the screen Press the NORMAL SCREEN key to return to waveform display c Connect D lite sensor to the monitor Connect Luer connector of thin tube to D fend water trap Attach calibration pump to the D lite connector NOTE The calibration is recommended to be performed with an average size of endotracheal tube really used with the monitor The accuracy of the calibration is increased by 3 to 4 if performed with exactly the same accessories endotracheal tube filters elbows connected to D lite are during normal use d Work on the calibration pump slowly When the piston is pulled out the waveform V should be above the dotted line When pushed in below the dotted line If contrary
37. ia an AD convarter and AQUT is o DA converter in ACX boord ADC an AD converter DAC DA converter in CPU boord DATEX DU PTT TARK png am UL 58 875979 6 4 1 2 a 3 4 5 7 8 9 CAPNOMAC ULTIMA SERVICE MANUAL 5 41 Figure 5 24 Keyboard parts layout and schematic diagram board modification level 0 and higher ID sticker Control no X1 X2 January 15th 1997 6 CAPNOMAC ULTIMA TM SERVICE MANUAL 5 42 Figure 5 25 Loudspeaker unit parts layout and schematic diagram board modification level 4 and higher l 2 3 26 laik 7 5 Igr LJ 1 1 VOLC V2 V5 182 4i E To 10n 0 4 GND September Ist 1992 2 CAPNOMAC ULTIMA SERVICE MANUAL 5 43 5 12 Internal connector configurations Table 5 3 Video control board Mother board NC not connected AIN 1s A D converter and AOUT 15 a D A converter in ACX board ADC is A D converter and DAC is a D A converter in CPU board January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL Table 5 4 15 v 15 v DAC7 ALR ADJ DAC5 ALARM NC DACI FLOW SAL ADCS5 P ADC3 O SEROUT 1 OPI RTSB SEROUT2 15 VDIRTY 12 V GND DIRTY NC z not connected AIN 15 an A D converter and AOUT 1s a D A converter in ACX board PC2 FGAIN 1 PC3 FGAIN 2 NC NC NC PC7 RTSO PAO PAI PA2
38. program revision displayed at monitor start up and a detailed fault description NOTE After any component replacements see Section 7 1 and after any service perform the functional field check procedure in Chapter 8 CAUTION The tests and repairs outlined in this section should only be attempted by trained personnel with the appropriate equipment Unauthorized service may void warranty of the unit January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 2 6 2 Disassembly and reassembly The CAPNOMAC ULTIMA is disassembled in the following way see Figure 9 1 for the exploded view of the monitor a Disconnect the power cord b Remove the upper two galvanized screws on the side panels and lift off the top cover c Remove the lower two screws and detach the side panels Now the interior of the monitor is exposed d Keyboard pc board with plastic key panel 15 attached closely to the front plate e SpO measuring board is attached to the front panel with 6 cm long bushing and cotter f Four boards are attached to the horizontally positioned mother board in the center from f to r PVX board ACX measuring board CPU board and video control board These boards are removed by pulling upwards Beneath the mother board the intermediary bottom plate houses measuring unit pump some constriction cassettes and gas sampling system parts ASX agent identification unit is attached to the bottom plate
39. 05 mm Silicone 1 7 1 05 mm Silicone Constriction cassette Damping chamber Absorber T piece L piece Adapter piece Dust filter CNO metal tube Small damping chamber 878098 73373 73373 73373 73373 73373 73373 73373 73373 73373 73373 73375 73375 73373 73376 73341 73332 73373 73375 73373 73373 Length mm x x Uu OO Selected individually see Table 5 2 for alternatives 57150 874643 733821 733811 73388 86901 871925 878099 Note Constriction cassettes are selected to adjust proper flow rates See Table 5 2 for alternatives DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5 5 Figure 5 2 2 Gas sampling system layout with i parameter Table 5 1 2 Tube lengths with i parameter Tube No Length mm Special sample tube 878098 Somple out 27 Special sample tube 876432 Rear panel 37 20 22 1 2 0 3 mm 73332 1 7 1 05 mm Silicone 73373 J 1 7 1 05 mm Silicone 73373 AN 14 1 7 1 05 mm Silicone 73373 Small damping chamber 1 7 1 05 mm Silicone 73313 a 25 m 1 7 1 05 mm Silicone 73373 Measuring board 1 7 1 05 mm Silicone 73373 N Pressure P I transducer 2 8 1 7 1 05 mm Silicone 73373 16 1 7 1 05 mm Silicone 73373 1 7 1 05 mm Silicone 73313 T 0 26 1 7 1 05 mm Silicone 73373 m 1 7 1 05 mm Silicone
40. 0GC B99 APN B99 REB B99 AA B99 aa B99 NOP B99 PRO B99 PUS U99 DSC U99 LEA U99 OBS Deactivation strings Occlusion Air Leak Open gas circuit pnea Rebreathing Anesthetic detected in expiration but not selected by user Anesthetic detected in inspiration but not selected by user No probe Probe off Pulse search Disconnection Leak _ Obstruction All activation strings are followed by deactivation strings when an alarm condition is over The code is B98 or U98 For example B98 OCC U98 DSC Alarm limit violations B99 CO2 zzz gt hhh 99 02 227 lt B99 02 zzz gt hhh B99 02 z2zz lt B99 ane zzz gt hhh B99 ane zzz lt Ill B99 ANE zzz gt hhh B99 ANE zzz lt lll B99 PR zzz gt hhh B99 PR zzz lt lll B99 SAO zzz hhh B99 SAO zzz lt Ill Occlusion condition over Disconnection condition over EtCO2 high low EtO2 high low FiAA high FiAA low EtAA high EtAA low Pulse high Pulse low SAO2 high SAO2 low January 15th 1997 6 ULTIMA SERVICE MANUAL U99 MVL zzz gt hhh U99 MVL zzz lt lll U99 AWP zzz hhh 099 722 lt U99 EEP zzz hhh For example B99 PR 000 040 98 150 ANE ane SO iso HAL hal ENF enf SEV sev DES des hhh high limit low limit 777 violating value Event Status String MVexp high MVexp low Peak high Peak low
41. 1 24a 240 24 24b 54 254 25 25b 25 254 264 26 26b ZEEE 27a 270 27b 27b 280 1 280 28 28b 15 299 5 209 29 Lt 29b x5 jee 5 97 IRTY SEC 5 38b ROUTI 31s 31a 51b FAG 31b PRS 25 X14 ASX BOARD 320 5 GNODIRTY GNDDUIRTTY C 320 326 32b 4 U D 5 AM pace IR 29 oe beri 12 X1 VIDEO CPU 2 13 151018 i ies F Lg X10 5402 BOARD 2 16 REF 2c 3c DAC 3c 1 st5 DIRTY 4 4 KS 3 PA H PR DAC2 5402 33 7 006 7 ALAR 5 yot Bc AD 0 fic DA 1 c 9 6 T 066 VOUT R 1 9 18c 9 P 116 He OUTS 126 126 J 9 13 13 1 14 14 15 1 15c T 18c SER 18c KEYPAD KEYBOARD 1 196 GNDDIRIY 26c NT 20c ur x _ 21c x 21c 2 246 SERIN n 1 24c 24c 0 4 VOUT IR 25c 256 T kd Na e 1 26c 28c L 4 ADC1 AUP A 4 0 9 5 AD 296 iy 1 Sus x8 9 X12 ECG BOARD pa 15VDIRTY 1 pte 2 GNDDIR RI PC 3K5 M 1 13 4 14 3 LAUP 157 MC 1415 141 1SVDIRTY LAMPON x12 9 15 EE os 97 90 6440 6 9 90 5212 5 EMOLEVY SIVU LAITE ULT 1 2 TD put e ie ums Taur 21 3 _____ UL 38 875979 5 row 13 1 b 68 1 GE RES E
42. 12 V and 12 V are regulated by zener diodes V18 and V19 5 V supply is generated by a regulator A6 The timing circuit is produced by a PAL Programmable Array Logic D3 The input signal of D3 SYNC is taken from the switching power supply and its form is a 45 kHz square wave timing signals are synchronized at the switching frequency The timing circuit controls the LED driving circuitry signals LEDR and LEDIR the RC time constants in amplifier chain MEASURE and sampling SAMPLER SAMPLEIR The LEDs in the probe are driven with constant current pulses of a magnitude of 250 to 300 mA The pulse duration and duty cycle can be seen in timing diagram in Figure 5 11 A positive voltage pulse at 1 X1 corresponds to the red LED current and a negative one to the IR LED respectively M arch 1st 1993 3 DATEX ULTIMA SERVICE MANUAL 5 21 The signal coming from the detector is a current The first amplifier stage is a current to voltage converter A signal current passes through the resistors between pins 9 and 8 of A3 and produces a negative voltage pulse at 8 A3 Notice that the part of the feedback resistance is located in the probe connector Another resistor in the connector is connected to 6 X1 in order to form a bias current sink for the detector At 5 X1 there is constant bias voltage of about 4 V At 7 A3 the detected voltage pulses are inverted to positive value The digitally controlled amplifi
43. 4 9 9 9 9 8 amp a tr s s HBOS REAR PANEL ELA TRANSFORMER FILTER BOARD Oy MEASURING UNIT Figure 4 4 Wiring diagram January 15th 1997 6 4 7 4 7 1 4 7 2 CAPNOMAC ULTIMA SERVICE MANUAL External connector configurations Input Output specifications Analog output CO HAL ISO SEV DES SpO Pleth wave Airway pressure Flow Volume Connectors Table 4 1 Front view Scale to 10 0 to 100 0 to 100 0 to 10 0 to 20 0 to 100 same as on screen 20 to cmH O 80 cmH 0 100 to 0 I min to 100 l min 2 5 001 0to 2 51 1 2 3 4 5 6 7 8 9 0 Output voltage 0 to lO v 0 to 10 0 to 10 v 0 to 10 0 to 10 v 10 0 to 10 v 0 to 2 v 2 to 10 v 0 to 5 v 5 to 10 v 0 to 5 v 5 to lO v Pin order of the pulse oximeter probe connector SIGNAL Is Ib no connection Probe identification Probe identification Ground Iled VB 40 8 V 5 V Ground January 15th 1997 6 ULTIMA SERVICE MANUAL 4 16 Table 4 2 Pin order of the SERIAL amp ANALOG connector 1 Analog ground 021 0 100 2 Serial out 5 V 3 Serial in 0 0 100 4 RTS Anaesthe tic agent 3 5 CTS v or N 6 Gas freeze 5 0 100 7 Signal ground 0 10 8 Test 26 VDC 9 12 VDC Pleth
44. 5 5 March 1st 1993 3 CAPNOMAC ULTIMA SERVICE MANUAL 5 19 Figure 5 9 ACX Measuring board timing diagram and schematic diagram part 3 board modification level 4 and higher 1 2 2 SIGIN 2 12 24 1 2 5 V peak to peak X2 pin 7 SYNCIN 4 A25 pin 8 28 V i 5v 5 D pin 12 SYNC A28 i 1 DARK pde OA i cup 5 in gy l 5v 9 9 24 7 AA N30 March 1st 1993 3 x1 C25 C26 C27 C28 ii TN TIGON TICON 2 052 633 C34 635 1 TOON 15 15 Dis 144 5 186 WUXWR yer 00 2 40216 ___ 3 to EK6 ANAINI 5 Amm eT VGAT AWAING 3 t ANAIWSTS 2 ANAQUT 1 5 58 2 650 VL VOLC 50 dm NAOUTA C52 106N L AA VBCH ADCRDY 5 ANAQUTS C53 p A2B 5 ANAOUT 6 C54 qe in use ITE MITTAUSKORTTI 3 3 LOL RN ker jAC 38 880289 2 3 7 un sivu N CAPNOMAC ULTIMA SERVICE MANUAL 5 20 5 5 SpO measuring board Rev 06 and up Block diagram and schematic diagram part 1 Figure 5 10 Parts layout timing diagram and schematic diagram part 2 Figure 5 11 Sig
45. 6 CAPNOMAC ULTIMA TM SERVICE MANUAL 5 23 i ard parts layout timing diagram Figure 5 11 SpO2 Measuring bo p y g g EROR and schematic diagram part 2 i ieu E 2 T 283904 gt 672 4 228 R49 328 12Y 14 283804 R43 332R C56 DATEX CH 4F 881987 8 Solderside 57081 12888 64T 23 16 03 15 LED D3 14 MEASURE 1 l IT t D3 13 SAMPLE T 30 5ys January 15th 1997 6 v29 213904 y21 213904 22 203904 viet 283984 CAPNOMAC ULTIMA TM SERVICE MANUAL 5 24 Figure 5 12 SpO2 Measuring board signal waveforms and schematic diagram part 3 A3 14 IR RED pe se i ee 5 8 5 9 m 10V 13V 20 kHz 20 kHz 4 m E 1 2 tov 1 14 as ZIN 581480 19 20 2 20 kHz h 36 35 4 OUTA AIN our IR 5 RED xi 3 8 iR 512 Hz 5 02 BOARD s vu LATTE Oe OY Serer IARG yy CH 3B 881988 4 2 1 L2 1 3s 1 4 1l s I s lil 7 January 15th 1997 6 CAPNOMAC ULTIMA TM SERVICE MANUAL 5 25 Figure 5 13 SpO2 Measuring board schematic diagram part 4 PS H L INT R46 ppp cnp TUE Ces 4 4 b d
46. 7 Up d EE rang Dun CH 3B 881988 4 8 3 ___ 2 1 3 1 5 1 5 di 5 1 7 ar January 15th 1997 6 5 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 26 CPU board Rev 06 and up Block diagram and schematic diagram part 1 Figure 5 14 Parts layout and schematic diagram part 2 Figure 5 15 Jumper configuration and schematic diagram part 3 Figure 5 16 Principle of operation The High Speed CPU board contains 16 MHz oscillator previously 11 059 MHz 80C32 CPU standard EPROM and SRAM and several analog and digital I O functions See the CPU board block diagram The CPU D5 uses the CPU board internal bus to access most of the peripheral circuits the on chip peripheral ports are directly used for analog multiplexers MUX and serial channel 0 ASCII computer output The computer output is explained in Appendix A There are jumpers to select memory chips They are 2M bit program EPROM Dl 128 x 8 low current CMOS SRAM D6 powered by the data retention voltage and battery back up 8 kbit SRAM D4 for permanent calibration value memory See the jumper configuration Analog input signals are read through the multiplexer A3 to the A D converter A2 Control signals of MUX are in port 1 on the microprocessor as follows MUX 0 2 both enable both MUX 0 Write ADC MUX 1 Write DAC signals Red signals Spo Ired pleth Loudspeaker v
47. 878311 14 Front panel unit 1 S 21 23 28 31 white 878314 14 Front panel unit 1 S 33 white 878315 14 Front panel unit ey e 878316 14 Front panel unit V SV 21 23 28 31 879185 14 Front panel unit V SV 33 879187 14 Front panel unit V SV 43 879186 Front panel unit complete 881283 14 Front panel unit SVO 891106 14 Front panel unit V SV 40 891091 Front panel unit complete 27 881284 23 Water trap D FEND M complete 875055 Spring for water trap 875598 conn masking sticker im replaces 90254 882439 SpO2 connector masking sticker K 877079 SpO2 connector masking sticker V xx 877078 SpO connector plug 1 V xx 876991 SpO2 connector sticker ed replaces 90253 882438 SpO2 connector sticker S xx 877082 SpO2 connector sticker SV xx 877081 Rear panel related parts Rear panel unit 21 23 31 Rear panel unit 27 rev 06 and lower Rear panel unit 27 rev 07 to 08 Rear panel unit 28 Rear panel unit 40 rev 08 and up Rear panel unit 22 rev 08 and up 890543 Rear panel unit 08 up 27 rev 09 and up ear panel unit 29 rev 08 and up Rear panel unit 31 rev 08 and up Rear panel unit 33 rev 08 and up Rear panel unit 43 rev 09 and up Loudspeaker unit Fan Dust filter SIRKWNNNN NNNNNNNY NOTE When ordering front or rear panels please specify the serial number and the full monitor code as found in the type shield on the rear panel January 15th 1997 6 CAPNOMAC UL
48. 9 154 180 180 18b 180 RY TOM ye ere 196 19 PEZ 15 5 _ 29 20b 2 A t 15 2 SERBUTT Ae OCCLUS NIC 12a 214 21b PC4 21b 220 3 RTSB 240 22 3 PES PUO TWEE 226 21 250 SEROUT 230 13b EI DN 236 1 MR 240 2 24 24b LAWP PB4 259 50 25b 25b Tx 260 26b 26b e 274 INT 27 27b 2 27b _ 28a 28a 286 lt 26 7215 5VORV SVORY 5 23 28b TU 169 0 H15VDIRTY lt 290 382 Seb 1 PAS PB3 25 Jlo pe AK 310 3 516 2 X14 ASX BOARD 325 6NDDIRTY GNDOIRTY 32b PAT ALR CALL 32b 21 46 SERIN _ T RESET INI i pur X1 vIDEO ceu Tu Ee oH Guile X19 5402 BOARD de 2 6 3c DAC de Yo 1 VOIRTY 4c DAE x5 1 5 5 5402 5c ij Bc D PR DAC2 S402 33 4 PA Te ADCO VOUT R D KO R 8c ADCS 70 6 9 ADC c 0 7 X066 VOUT Abc 1c OUT Tt N20 115 116 ADUTS 38 x 126 126 LAMPON 59 9 13 3c r 145 145 E 166 T CTS 15c 166 17c 176 ae 18 HUE 18 KEYPAD KEYBOARD x8 196 1 20c 20c xi 216 SERINI 216 X13 TEST 22c 226 236 gt lt 235 X a 5 24c 2 2 ADC4 VOUT IR 256 25 2 5 5 L ATNASSIGN 2 kis a 4 _ADCT ANP lt gt c 8 yt 286 6 ADCS P AVF 28 Hy
49. P N 876312 ORDER CODE 878822 arch 1st 1993 3 ponerte qmm lt 15V ADDR 1 032 13Y 5159 35 asv C19 1 18 47 47 55V 35 x1 52 cue AT 4 14 8 29v C7 15 Mfr 104 5 BTE 7 a MUX C14 151 15V 15 622 C23 A80 4 DAC Fees 12 He 13 455 A7 144 redi 5 18165 QE WAZ 16 DACI 274 3 8 1OY REF 19 VREF lt 70 vt a 18 82 25 oach 78512 61 AS DAC 7 3 89 MUX AGA 4 DAC 1743 84 eec E p a 49 uyrata O 3 4 0 BUS R12 3K32 XI 7 0LK 18 1 z SZ SZ d RON X2 eve a 1N4148 lu 184148 d 4 INTRp 415 4 A4 DACS 14 12 B5 1 L 642 1444 il oe 19 SCN2681 45V 27777718 1909 GUARD RING ss 11 3 AGB Hg r C3 DACE lt 5 B6 03 111 a 8 c43 05 5 168 07 13 a 27 TOS Lt quem rp eee ten A3 DAC ae 87 5 652 656 co e N INSTRUMENTARIUM OY MUUTOS n 1 m Sides MERE 5 5 6 1 NE e DATEX ULTIMA SERVICE MANUAL 5 30 Figure 5 16 CPU board jumper configuration and schematic Place of the jumpers in diagram part 3 board mo
50. REMEDY Secondary fuses F3 and F4 blown NOTE They usually get blown at the same time Voltage reference A2 blown L3 blown Faulty switcher IC Al or A3 power FET bipolar trans NOTE If the FET is shorted it usually shorts the Transzorb zener V6 V23 and blows the secondary fuses 6 4 10 Mother board Keyboard troubleshooting Fault finding on the mother board Keyboard is reduced to visual inspection of board surface and connectors continuity and short circuit testing with an ohmmeter measuring of power supply voltages January 15th 1997 6 DATEX CAPNOMAC ULTIMATM SERVICE MANUAL 6 22 6 4 11 board troubleshooting See the following flow charts to troubleshoot the PVX board NOTE Pressure transducers Bl and B2 and EEPROM D4 are replaced only at the factory NOTE Never apply overpressure or negative pressure of more than 300 cmH20 to the flow and volume tubing ZERO ERROR MONITOR DOES RECOGNIZE PVX BOARD IS PVX TUBING INSTALLED PROPERLY INSTALL THE TUBES PROPERLY PVX BOARD OSCILLATOR 05 BETWEEN PINS 18 AND 19 WORKING CHECK CRYSTAL Z1 CHECK SUPPLY VOLTAGES CHECK MICROPROCESSOR 05 ENTER SERVICE MODE CHECK VALVES Y1 AND Y2 CHECK TRANSISTOR V4 PROCESSOR D5 PIN 6 SHOULD BE HIGH 5 V WHEN THE VALVES ARE IN ON POSITION AND LOW WHEN IN OFF POSITION DO ZERO VALVES WORK CHECK ICs D5 D12 AND D1 iS PIN 1
51. WITH PLATEAU PHASE PLATEAU 3 PEEP TIME Figure 4 6 How to Find Corresponding Pressures From the Loop January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 21 VOLUME PRESSURE LOOP VOLUME ml 1200 600 PRESSURE FLOW VOLUME LOOP FLOW V RATE min PEAK The width of the angle as well as the steepness of the slope in expiratory part of the loop give information of airway obstructions A wide angle may indicate an d obstruction in large airways VOLUME V The tail of the curve shifting to the right may indicate an obstuction in small airways INSPIRATION 30 Figure 4 7 Pressure volume loop Flow volume loop and their interpretations CAPNOMAC ULTIMA SERVICE MANUAL 4 22 D lite sensor Two types of the D lite sensors are available disposable and reusable D lite is designed to measure kinetic pressure by two sided Pitot tube The pressure reduction caused by measuring cross is taken into account too especially in small flows Velocity is calculated from pressure difference according to Bernoulli s law Flow is then determined using the calculated velocity v 2xdP Bernoulli s law F vxA where flow l min v velocity m s A cross area m dP pressure difference cmH20 density kg m Finally the volume information is obtained by integrating the flow signal From revision 06 the monitors e
52. agent gas measurements are based absorption of infrared light as it passes through the gas sample in measuring chamber in the photometer The light absorption is measured at three wavelengths using an infrared detector One of the wavelengths is that of the CO absorption peak at 4 3 micrometers the second 15 that of the 0 absorption peak at 3 9 micrometers and the third is that of the anaesthetic agent absorption peak at 3 3 micrometers The signal processing electronics receive the signals from the IR detector and demodulate it to get DC components out of these signals which correspond to the content of each gas in the sample Figure 4 1 shows the gas absorption spectra Filter Wavelength 5 0 um Wavelength Figure 41 CO N O AA gas absorption spectra January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 9 4 4 2 Principle of measurement The differential oxygen measuring unit uses the paramagnetic principle in a pneumatic bridge configuration The signal picked up with a differential pressure transducer is generated in a measuring cell with a strong magnetic field that is switched on and off at a frequency of 110 Hz or 165 Hz The output signal is a DC voltage proportional to the O concentration difference between the two gases to be measured January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 10 4 4 3 Principle of SpO measurement SpO Oxygen is the most acutely necessary substrate
53. board is faulty if low the chopper motor is probably stalled Check for timing pulses from the preamplifier board amsrplifier A4 faulty Coarsely erroneous missing reference voltage Timing pulses missing Analog switch faulty or control pulses missing Other components fault in the measuring electronics Check by following the signal with an oscilloscope along the amplifier chain measuring unit tubes loose or blocked O measuring unit connecting cable loose or faulty measuring unit internal tubings blocked by water Disconnect O measuring unit tubings and try to remove water by pumping air into the connector O measuring unit faulty Replace Analog multiplexer faulty Measuring bench contamination Replace ACX measuring unit or try to clean the measuring chamber as per instructions 6 4 13 Leak in sampling line or internal tubing especially in conjunction with too low readings AGC malfunction Check analog switches and control pulses Continues January 15th 1997 6 ULTIMA SERVICE MANUAL 6 16 Strong drift of NO and AA Strong drift of O Sudden increase in gas display The above occurs frequently CO N O AA software calibration fails O software calibration failure Calibrating gas sensor message remains on the screen Impossible to adjust gain Too low response in both CO N O and AA and possibly A
54. for survival A major concern during and after anesthesia is prevention of tissue hypoxia Pulse Oximetry provides immediate and direct information on tissue oxygenation and therefore it is at present seen as a prerequisite of patient safety in anaesthesia departments Most of oxygen needed by the body is transported bound to hemoglobin The total hemoglobin of blood is composed of oxygenated oxyhemoglobin HbO reduced or deoxygenated hemoglobin Hb and other forms of hemoglobin such as carboxyhemoglobin HbCO methemoglobin MetHb The absorption of light of normal human blood at different wavelengths is mainly determined by HbO and Hb see Figure 4 2 A Pulse Oximeter measures the relative absorption of light of blood at two wavelengths one in the near infrared about 900 nm and the other in the red region about 660 nm of light spectrum These wavelengths are emitted by LEDs in the SpO probe the light is transmitted through peripheral tissue and is finally detected by a PIN diode opposite to LEDs in the probe Pulse Oximeter derives the oxygen saturation SpO using empirically determined relationship between the relative absorption at the two wavelengths and the arterial oxygen saturation SaQ The total relative absorption of blood can be divided into components of tissue venous blood arterial blood and the pulse added volume of arterial blood In order to focus the measurement on the arterial blood and thus to m
55. reference spectrum In ASX 200 the concentrations of individual agents in a mixture are calculated using the reference spectra January 15th 1997 6 WeIZEIP 42014 lt E S Filler Infrared Light 03 Source Reset ASX 07 06 Meosuring V6 02 Chomber Temp TEMP Sense CPU 1 A1 V22 A2 1 4 802196 gt Opto Sync Pulse SYNC Processing 08 9 20 V21 Serial D A Communication BUS 01 2 Seriol In D A AGC gt pos x4 Serial Out 2OVWONdVO ASX Preamplifier Board r9 s CAPNOMAC ULTIMA SERVICE MANUAL 5 65 Table 5 24 ASX preamplifier board ASX board X2 Table 5 25 ASX board X5 Mother board X14 Pin No Signal Analog ground NC NC NC 15 15 DIRB not used 5 15 VDIRTY Digital ground January 15th 1997 6 ULTIMA SERVICE MANUAL 5 66 n Figure 5 31 5 200 preamplifier board parts layout and schematic diagram P N 882368 e valitaan tuotannosaa alue 332R 681R can be 332R 681R 55 160 c6 102 637 r ESIVAHVISTIN w ASX 200 A E 0 AS 38 882580 PS 12722 March 154 1993 3 LO ec 1 SE ME Posen ULTIMA
56. sey 02 ABSORBER FLOW ADJUSTING CASSETTE CO2 ABSORBER FLOW MEASURING POINT 02 Room Air TOTAL amp SIDE FLOW RATES MEASURING POINT BLOCK THIS POINT TO MEASURE SIDE FLOW RATE 02 MEASURING FLOW MEASURING POINT Pressure Pressure Transducer Volve A 21 OM 101 100 an 02 MEASURING FLOW ADJUSTING CASSETTE ae IN Measuring 9 REF IN Filter Room Air Constriction 02 REF FLOW Cassette NO 23 MEASURING POINT Damping Chamber SIDE FLOW RATE 02 REF FLOW ADJUSTING CASSETTE ADJUSTING CASSETTE TOTAL FLOW RATE ADJUSTING CASSETTE Sample Cos OUT Small Damping Chamber 32IAXIS yu VALLIN 2VWONdVO y L CAPNOMAC ULTIMA SERVICE MANUAL 7 5 0 measurement flow pressure measurement Gradual decrease of main flow rate due to the water trap filter clogging can be checked by measuring pressure difference between the measurement flow and the reference flow Remember that the sampling line should be attached to the water trap during test The pressure difference is automatically checked after every gas zeroing The pressure difference can be manually calculated as follows Enter GAS SERVICE in the Service Mode a Set pump on both valves closed this is the normal operation situation Check the PRE value It is the pressure of the O sensor measurement flow b Press the 2 key to open the pressure valve Now the PRE value s
57. short circuit January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 17 6 4 5 measurement troubleshooting Because of the complex and very sensitive construction of the oxygen measuring unit no repairs should be attempted inside the unit Instead if the fault has been found in the measuring unit itself it should be replaced and the faulty unit be sent to DATEX ENGSTROM for repair In case of no response to O or strong drift check the tubing for loose connections blockages and leaks CAUTION Never apply an overpressure to the O measuring unit as the pressure transducer may be permanently damaged If zero error message is displayed check the O measuring unit output voltage at pin 13 of connector X13 on the mother board see Section 7 3 1 If the adjustment range of the software calibration is insufficient check the measuring unit output voltage and adjust the gain if necessary see Section 7 3 2 If there are problems with O response time check the measurement flow rate and adjust it if necessary see Section 7 2 If the signal is noisy check the measurement unit suspension January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 18 6 4 6 SpO measuring electronics troubleshooting ULT S model Figure 6 2 SpO measuring electronics troubleshooting chart Finger in probe and connected to CAPNOMAC ULTIMA Message NO PROBE No pulse curve message PULSE SEARCH permanen
58. the component See the items 9 10 and 11 above for references 28 Error in meas board EEPROM 29 Error in preamplifier board EEPROM Items 28 and 29 Change the meas board or the ACX bench 30 ACX AGC error AGC gain control error for each gas in ACX measuring board Possible reasons for this message are 1 contaminated bench 2 gas concentration higher than room air level during initialization 3 lamp voltage too low 31 ACX ADC error Can appear occasionally with the item 17 ACX sampling system error and it s OK If appears WITHOUT the item 17 it means HW malfunction Caused by too long AD conversion time Check ACX measuring board ADC section 32 ACX DAC error Reference voltage adjustment error for CO2 and AA 36 ASX TEMP OUT OF RANGE ASX 15 beyond the temp specification range 5 to 60 degrees centigrade ASX may be too cold Warm it and try again Temperature sensor may be faulty 41 ASX AGC VOLT CLAMP ERROR Automatic gain control failed Signal out of range If this message appears only after power on and not continuously the situation does not require any action 42 ASX MOTOR LAPTIME ERROR Motor speed has fluctuated Just as item 41 43 ASX EEPROM OUT OF LIMITS EEPROM contents are false If appears often change the ASX unit 44 ASX EEPROM WRITE ERROR Write to EEPROM not succeeded If appears often change the ASX unit September Ist 1992 2 CAPNOMAC ULTIMA SERVICE MANUAL 6 7b 45 ASX RO
59. the monitor block diagram For monitor parts locations see the exploded view Figure 9 1 in Chapter 9 January 15th 1997 6 yooq 2 3 52 gt Pressure 3 d Flow IN A a Loudsp EN TT __ 1255 4 AC in Trens4 Power Supply 1 0 5 02 Board piy CPU Boord Board Measuring lt gt Reor Panel ME 5 Mother Board Reor Pressure jee Serial 1 0 gt Valve c02 Absorber EON xd EE Video Video Video ps Display Boord Module from Power Room Air Measuring Board L 100 from Power Supply Boord Supply Board m OM 101 Oxygen Measuring 100 Meosuring Unit REF IN 1 Filter Room Air Gas Gas Pressure Constriction gt Electricoi Path Cassette Damping Smail Chamber Damping Chamber ine Monitor you are using VINLLTO OVINONdVO CAPNOMAC ULTIMA TM SERVICE MANUAL 4 14 Wiring diagram 1 LOUDSPEAKER 6 9 V4 9 9 9 04664449 9 9 VOR v8 8 9 8
60. trend which had been measured before the power cut off should be displayed If it s not displayed the monitor should be serviced by qualified service personnel 12 VERIFICATION AND FINAL CHECKS Check the leakage current of the unit Check the condition of all cables and connectors SERIAL INTERFACE Connect serial printer to serial amp analog I O connector on the rear panel of the monitor Turn the power on and check that the printer prints data alright FINAL VISUAL INSPECTION a Real time and date 1s correct The date can be checked in Service menu b There are no dirt stains in the monitor cover side panels and bottom plate are properly attached with screws January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 6 Preventive Maintenance Check List Client Service Monitor type Service engineer Date All models 38 PM Kit parts replaced 18 Pump test 19 Ambient PRE 20 OM ref OM in 13 Ambient pressure 17 Flow rates Monitors with Agent Identification 29 Cal gas identified 31 Peak normal Peak mirror 30 Peak normal 31 ASX calibrated Monitors with Patient Spirometry 32 Spirometry connectors 37 Flow waveform 33 36 Leak test 38 Check with Spirometry tester Monitors with SpO measurement 40 No probe 42 Pleth waveform 41 Probe off 42 SpO reading 42 Pulse search E E models 45 Electrical safety check 4
61. use 2Mbit EPROM Revision 03 except ULT S SV 25 00 ULT I S 27 02 ULT V xx 01 and ULT i Si Vi SVi xX 00 Main differences to the revision 02 are ACX 100 measuring unit is replaced by ACX 200 measuring unit Anaesthetic agent identification parameter 1 is added to Ultima Revision 04 Main differences to the revision 03 are ASX 100 identification unit is replaced by ASX 200 Power supply board Software January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 4 Revision 05 27 only Main differences to the revision 04 are Improved EMC protection Revision 06 Current production revision of the monitor Main differences to the revision 04 05 are Improved EMC protection CPU board 16 MHz High Speed CPU board installed Improved SpO Measuring board Main software Additionally PVX software and front mask for pediatric PVX measurement all except 27 and 43 NOTE New main software and the High Speed CPU board are compatible with the old and new SpO Measuring board with ASX 100 ASX 200 ACX 100 and ACX 200 sensors NOTE New SpO Measuring board operates only with the new main software and the High Speed CPU board Revision 07 27 43 Software and front panel for paediatric PVX measurement are applied also to adaptations 27 and 43 adaptation 27 new transformer case and new video display unit Desflurane measurement is applied to adaptation
62. value for the 0 zero constant with new and clean measuring chamber is 45000 indicating the ratio of 1 1 between the measuring and reference channel signals The maximum acceptable value for the N5O zero constant is 51000 for a new measuring unit The maximum value that the main software is able to set is 65536 Ambient pressure is also displayed January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 5 d Gas fall times are calculated automatically with the 4 key see Response time test in section 6 4 3 Gas sampling system troubleshooting When ASX 200 is installed go to ASX service first to get the bench zeroed Response time difference between gases is displayed as DIFP The fall times and time differences reflect the condition of the D FEND water trap filter The maximum allowed times are as follows ASX delay 1500 ms with ASX 200 CO fall time 360 ms O fall time 480 ms AA fall time 520 ms 0 fall time 360 ms CO O diff 1400 ms CO AA diff 160 ms CO N5O diff 100 ms Return to the previous stage by pressing the NORMAL SCREEN key January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 6 6 3 2 SpO service PARAMETER Vred Vrac 5Vr GNDr Vrc Vired Virac 5Vir GNDir voltage to pin 22 led intensity HIGH LOW pox dac gain In SpO service the following parameters and their values are displayed EXPLANATION Red channel voltage About 10 V w
63. water trap container affecting the readouts Let the container dry properly after disinfection before use Faulty SpO probe If not faulty SpO measuring board No probe connected to the monitor Probe faulty Check probe connections Unsuitable site Try different site Probe faulty An appropriate DC level has not been found in probe signal Possibly because of LED in probe failure Change the probe Obstruction in double lumen tube ventilator tubes or patient airways Check those tubes Ventilator tubes or D LITE disconnected Check the connection Ventilator valves malfunctioning Check the ventilator Airway tubes or ventilator tubes leaking Ventilator valves malfunctioning Check the tubes and valves January 15th 1997 CAPNOMAC ULTIMA SERVICE MANUAL 6 12 6 4 3 Gas sampling system troubleshooting The faults which can occur in the sampling system are leaks or blockages in the tubing failure of the sampling pump or the magnetic valves or diminishing of the flow rates because of pump aging or dirt accumulating in the internal tubing The troubleshooting chart of the sampling system is shown in Figure 6 1 The following checks should help in localizing the fault Whenever suspecting the sampling system and always after having done any work on the sampling system check and if necessary adjust the flow rates The sampling system details are illustrated in Figures 5 2 and described in Tables 5
64. waveforms Both serial string and graphic output are now sent via SERIAL amp ANALOG I O connector The output selection is made in Start up menu AUX connector for graphic output will not be used any more January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 9 Software P N 879016 2 1 15 the revision 03 except ULT S SV 25 00 ULT I S 27 02 ULT V xx 01 and ULT Si Vi SVi xx 00 production English language 879244 1 0 is the German language and 879245 1 1 is the French language versions Differences to the previous level software versions are see the Operator s Manual for more information Sevoflurane is measured and displayed ACX 200 measuring unit Anaesthetic agent is identified and displayed ASX unit in Ultima models with i parameter MAC value of Isoflurane is changed from 1 3 to 1 15 Numeric trends are now printed in graphic printers A line of numeric data of pressures and volumes is printed every 30 minutes and whenever the MARK key is pressed beside the graphic printout in graphic printer January 15th 1997 6 CAPNOMAC ULTIMA sERVICE MANUAL 3 10 Software P N 882312 1 0 is the revision 04 production English language 882313 1 0 is the German language and 882314 1 0 is the French language versions Differences to the previous level software versions are see the Operator s Manual for more information Desflurane is measured and displayed ACX 200 measuring unit Sevoflura
65. zero error 6 Continuous occlusion Check D fend If the message appears sporadically there is no need to take any action 9 EEPROM failed EEPROM to defaults EEPROM failure Check CPU board Change the board if necessary 10 EXTERNAL RAM error Check CPU board RAM read write failure Change the component 11 ROM checksum error Check CPU board EPROM read error Change the component 12 POX downloaded POX board faulty and the measurement is adjourned 17 ACX sampling system error N5O and CO measurement voltage drifted out of 8 V range May appear only after initialization If appears occasionally even once a day it s OK The reason may be tubing system error or valve error If appears often the ACX bench may be faulty 18 ACX synchronizing pulse error 19 ACX chopper motor error Items 18 and 19 Synchronization error Change the ACX bench 20 ACX pressure sensor error The pressure exceeds 400 to 900 mmHg range May appear during initialization May indicate faulty pressure parameters in ACX measuring board EEPROM which requires factory calibration January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 7a Erroneous pressure value corrupts pressure compensation of all gas values 2 Continuous air leak Like item 6 if the message persists check the sampling system and fix the leak 25 ACX internal RAM error 26 ACX ROM checksum error 27 ACX external RAM error Items 25 to 27 Change
66. 0 02 POWER SUPPLY BOARD 5 VOC FROM CALIBRATION PHOTOMETER PARAMETERS MEASURING UNIT MEASURING BOARD DETAILED DIAGRAM Figure 5 3 CO5 N20 AA measurement block diagram 2 CAPNOMAC ULTIMA SERVICE MANUAL P N Ctr sticker Do not disassemble sticker Figure 54 ACX photometer ACX 100 measuring unit CAPNOMAC ULTIMA SERVICE MANUAL 5 11 5 2 3 Preamplifier board Parts layout and schematic diagram Figure 5 5 Voltage regulation Voltage regulators A3 and A4 provide regulated V for the preamplifiers and the detector bias generator Preamplifiers The purpose of preamplification is to amplify the signals from the infrared detector and timing sensor and to convert them into lower impedance level The infrared detector R2 signal is amplified with A2A which 15 connected as a straightforward non inverting AC amplifier The current signal from the timing optical sensor is converted into voltage with the remaining section of A2 Detector bias generator Temperature EEPROM The lead selenide detector 1s a resistor whose resistance decreases in infrared light For this reason it is advantageous to supply the detector with a high bias voltage as a higher signal is then achieved The bias voltage generator utilizes one section of which is a square wave oscillator and a conventional voltage doubler built of diodes VI V2 V3
67. 0 15 vol 90 30 seconds Typically minor component concentration 20 3 vol and gt 15 of total agent concentration Typical performance with pure agents January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 3 Airway Pressure Paw Accuracy 1 5 cmH20 Resolution 1 cmH O Measuring Range 20 to 80 cmH O Extended Range 99 to 99 cmH O unspecified Flow Measuring Range Adult 1 5 to 100 l min for both directions Pediatric 0 25 to 25 l min Display Waveform Two sweep speeds Flow volume loop Tidal Volume TV Accuracy Adult 6 96 or 30 ml Pediatric 6 or 4 ml Resolution 1 ml Measuring range Adult 150 to 2000 ml Pediatric 15 to 300 ml Minute Volume MV Resolution 0 11 Measuring range Adult 2 to 15 l min Pediatric 0 5 to 5 l min Values applicable if Respiration rate is 4 to 50 breaths min ratio is 1 3 1 05 Inner diameter of ET tube is gt 5 5 mm adult or 3 to 6mm pediatric Respiratory Rate Measuring Range 4 to 60 breaths min Breath Detection 1 7 6 mmHg change in CO level Display Update Rate breath by breath January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL Saturation SpO Measuring Range Accuracy SD Resolution 4 4 40 to 100 100 to 80 2 96 80 to 50 96 3 96 50 to 0 unspecified 1 digit 96 SD 68 of all readings in stable conditions The pulse oximeter accuracy measurements are statis
68. 0 in English revision 08 except for adaptation 27 revision 09 882917 4 0 in German revision 08 884203 4 0 in French adaptation 29 revision 08 adaptation 43 revision 09 889859 4 0 for model ULT 1A only English revision 09 890662 4 0 in Spanish adaptation 40 revision 08 Changes made MAC value for Sevoflurane changed to 2 05 IBM PRO added to the printer selection list Changes in Patient Spirometry recall function Text references Datex changed to Datex Engstrom Time out for ASX calibration extended from 15 seconds to 30 seconds Synchronization of the gas curves improved January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 GENERAL DESCRIPTION 4 1 Operational specifications Automatic compensation for atmospheric pressure variation CO N O and CO O collision broadening effects Gas Sampling Flow Rate Warm up Time Measuring Range Extended range unspecified Rise Time Gain Drift Gain Temperature Drift Nonlinearity Display Numeric Waveform Measuring Range Rise Time Gain Drift Gain Temperature Drift Nonlinearity Display Numeric Waveform 200 20 ml min 3 min to operation 30 min for full specifications 0 to 10 0 to 76 mmHg 0 to 10 kPa 10 to 15 76 to 114 mmHg 10 to 15 kPa 360 ms 0 2 vol 24h to 8 96 0 4 vol 24h 8 to 10 96 0 2 1 0 to 8 96 0 4 1 8 to 10 90
69. 0 unit Functional units of the monitor pc boards will have ID code stickers indicating the modification level of the production documentation The code is shown as xxxxxx y where the represents the part number and y the revision level which is referred to when hardware 105 are indicated in this manual The following list shows the models and their monitoring parameters Model Monitoring parameters ULT 1 CO NO AA ULT S CO 0 O SpO ULT V CO N O AA Patient Spirometry ULT SV NO AA SpO Patient Spirometry CO O AA Agent ID ULT Si N5O AA SpO Agent ID ULT Vi N O AA Patient Agent ID ULT SVi 0 AA SpO Patient Agent ID 2 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 2 The basic CAPNOMAC ULTIMA model ULT 1 measures N5O and AA The additional parameters and their symbols are explained below S SPO Patient Spirometry 1 Agent ID This manual describes all the functions offered by the CAPNOMAC ULTIMA monitor Some of the functions may not be available in the monitor you are using ACX 200 Measuring board measures sevoflurane and desflurane in addition to halothane isoflurane and enflurane The difference between the ACX 200 Measuring board and ACX 100 Measuring board is that the former co
70. 1 02 ON POWER SUPPLY BOARD CUT OFF IF MOTHER BOARD ID CODE LEVEL IS 5 OR LOWER IS SHORTING PIN X17 REMOVED FROM MOTHER BOARD IF THE BOARD S ID CODE LEVEL IS 4 OR HIGHER IS SERIAL CHANNEL D5 PINS 10 AND 11 ACTIVE IS PRES 0 0 0 1 WHEN VALVES ARE ON CHECK PRESSURE TRANSDUCER B2 CHECK AMPLIFIERS A6 AND A7 CHECK MULTIPLEXER A9 SERIAL CHANNEL ON CPU BOARD CHECK CPU BOARD ICs 015 012 AND 22 ACTIVE IS FLOW ZERO WHEN VALVES ARE ON CHECK PRESSURE TRANSDUCER B1 CHECK 10 Vref CHECK AMPLIFIERS A4 A5 ANE CHECK MULTIPLEXER 9 RESTART THE MONITOR TRY ZEROING AGAIN a Paw DECRE September 1st 1992 2 DIGITAL VALUES OF PRESSURE AND VOLUME ARE OK BUT WAVEFORMS ARE MISSING ARE FLOW PRESS AND VOL SIGNALS COMING OUT OF BOARD CHECK D A CONVERTER 1 CHECK MULTIPLEXER A9 CHECK AMPLIFIERS A7 AND IS MULTI PLEXER A3 IN CPU BOARD RECEIVING SIGNALS 15 BOARD INSTALLED CORRECTLY ON THE MOTHER BOARD IS MOTHER BOARD FAULTY CHECK CPU BOARD CAL ERROR 15 TUBING INSTALLED PROPERLY2 INSTALL THE TUBES PROPERLY IS D LITE ADAPTER GOOD CHANGE THE D LITE ADAPTER IS FULL VOLUME PUMPED BY CALIBRATION CALIBBRATE AGAIN BY PUMPING FULL VOLUME PUMP VERY SLOWLY TRY CALIBRATION AGAIN PUMP VERY SLOWLY CAPNOMAC ULT
71. 1 and 5 2 NOTE DATEX ENGSTROM D FEND water trap should be changed when the occlusion alarm comes on during the monitor start up sequence in normal use NOTE If the ACX 100 measuring unit has got liquid inside the measuring bench due to water trap filter failure contact DATEX ENGSTROM Technical Service Connect power cord and sampling line Turn the power on and wait until the initialization is over Set the real time correct in SET UP Monitor menu 1 SAMPLING SYSTEM LEAK TEST Keep pressing the MARK key and enter the Installation menu Choose Service menu and wait until the initialization is over Choose GAS SERVICE Connect a tube to the sample out connector and drop its other end into a glass of water Block the sample inlet reference flow of the oxygen measuring unit and the upper tube in CO absorber Wait for one minute January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 13 There should be less than 1 bubble per 10 seconds coming out of the tube Bubble should not move upwards more than 11 mm per 30 seconds inside the tube If it does there is a leak between the pump and the sample out connector Perform leak test to the absorber by opening zero valve with the 3 key The maximum permitted leakage is the same as above CAUTION Do not turn the pump off while performing the leak test Negative pressure in the sampling system will suck in water in the glass 2 WATER SEPARATION Dip the p
72. 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 31 5 7 Video ASIC Board blank Figure 5 17 Video ASIC board parts layout Figure 5 18 Video ASIC schematic diagram Figure 5 19 The video ASIC board replaces video control board from revision 08 adaptation 27 and 43 revision 09 ASIC board includes ASIC IC and some other components Due to the number of components we recommend changing the complete board in case of failure January 15th 1997 6 ULTIMA SERVICE MANUAL 5 32 This page has intentionally been left blank Figure 5 17 no figure January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 33 e 81 G88 27 HO v2 st 442 C2 1 p P N 885480 of Figure 5 18 Video ASIC board parts layout Figure 5 19 on the next page Video ASIC board schematic diagram January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 34 29 5 01 26 02 26 05 gt lt gt xie 19714 ASIC 01 25 04 25 05 14 at 13 A6 11 7 cs 1 16 X 5 X14 16 RD 1 20 IRU OPTION 1 17 RESET 24 4 MHz 1K6 5 1 KTAL2 203904 612 184 s 35v 2 32 283904 L 32 c4 T 5 01 15 9 1 32 01 55 02 28 180N 100X 198N i 01 1 vm un ASIC SMD 1 cuu zduixa
73. 1997 6 CAPNOMAC ULTIMA TM SERVICE MANUAL 22 5 37 me Figure 5 21 Power supply board signal waveforms and schematic diagram part 1 board modification level 3 and higher 3 1 2 3 A3 OV 105 12 13 1 0 65 0 75 12 13 A3 t0 1 40 2V MOVE 10 22 39 50 collector 6 005V V4 V15 40 60V collector 19 30V 5 N V8 V11 38 48V gate 0 5V Varies with loading V8 V11 21 ee 32V source OV 0 4V output Pf Ripple voltage on the DC voltage OV The ripple on the 12V voltage may be higher because of the uneven loading 2 cho edo Sduo 3 4 C41 r71 00N 2 AC 2 R39 7 828 RR CG CH De CORR 11 Serial Anoloa 1 0 v35 m A7 64 70V 217915 13 643 C40 C52 100N 4705 S euren 432 7815 j 144004 C34 C33 637 C36 Tria 14 202 55 cape cles DR De pendere mp A4 pez 1 22 1 29V 15V 12V C35 T tise 22 2 26 15 0 5 ALARM BUZZER ALARM DACS CONNECTOR R24 IKSO D A 14 4 9 es NIME POWER BOARD s vu LAITE CH CG
74. 2 Special internal sample tube A O2 measuring unit complete 06 and below measuring unit rev 07 and up Sample gas out connector Magnetic valve Video cable unit for Panasonic display Video cable unit 27 rev 05 and 06 Panasonic Video display unit complete Philips display Video display unit complete Panasonic display Internal pulse oximeter cable Lithium battery on CPU board rev 05 and below SRAM with internal battery High speed CPU board Intermediary bottom plate ACX 100 Measuring unit ACX 200 Measuring unit photometer ASX lamp PVX unit Protective plate for 870646 Protective piate for 883108 Video display frame 872761 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 9 3 Front panel related parts Description Order No Keyboard unit 870645 Keyboard unit white 877513 Keyboard sticker 27 90250 Keyboard sticker V SV 9 90257 V sticker V 27 replaces 0212 884420 SV sticker SV 27 replaces 90251 884419 Name Logo 27 881311 SpO2 panel unit 1 replaces 877293 876287 SpO2 hole plug 876991 SpO2 panel unit 9 876287 SpO2 panel unit V SV incl tubes 881848 SpO2 panel unit V SV incl tubes with pediatric measurement 884747 panel unit 1 S 27 V SV 27 876832 ront plate metal 877480 Front plate metal 27 rev 06 and lower 876703 Front plate metal 27 rev 07 and up 884561 14 Front panel unit 1 S 21 23 28 31 33 43 dark
75. 25 8 TIT 29 nen 2 19 9 5 14 42 07 ouf 1 1 X1A 313 seus DATA 5 82 82 6 TL7 i B 55 Se 1 0 ML 2 A8 065 9 56 1 85 J J zb R56 jo R51 valitaan koestuksen yhteydessa V Meis R58 jo R51 391 240 loi 2 1140904 E C37 C36 RESET 5 1 1 1 2 TSVOTRTY E tL ct 054 639 642 L 19 T I N DATA 1 Ex WEISE TAE PAINE VIRTAUSKORTTI 2 2 N O or re anas serm ov pv 38 8776975 Mareh Ist 1993 3 6 _ p 9 CAPNOMAC ULTIMA SERVICE MANUAL 5 57 Table 5 23 PVX board Mother board X4 10 VREF NC NC NC DACI FLOWY PRES VOL NC NC NC NC NC NC NC NC NC NC NC NC NC NC TxDP NC NC NC NC NC 15 VDIRTY NC GND DIRTY January 15th 1997 6 ULTIMA SERVICE MANUAL NM RS E CE Figure 5 28 LED board parts layout and schematic diagram NOTE This board is included in adaptation 27 monitors only RD 24 AWG YE 24 AWG BU 24 AWG board modification level J and higher 4 hoe R22 September 1st 1992 2 5 58 i peg 3 5 8 a
76. 4148 C22 199 vt9 S 194148 C33 C34 15 0 NIMI MITTAUSKORTTI 6 7 42727 Ad SIGNAL 4 VBIAS 5 N 0 AS 3B 882379 ULTIMA TM SERVICE MANUAL 5 69 Figure 5 34 Transformer filter board parts layout and schematic diagram YtLLON NIIS qAPIVIENTIKORTTI N Sur VAI VE 38 83404 3 5 6 1 8 M M M M M M a OO November tst 1993 4 ULTIMA SERVICE MANUAL 6 1 6 SERVICE AND TROUBLESHOOTING 6 1 General service information Usually field service 15 limited to swapping the faulty circuit boards or mechanical parts The boards are then returned to DATEX ENGSTROM for repair CAUTION The measuring units ACX 100 200 can only be repaired and calibrated at DATEX ENGSTROM CAUTION The agent identification benches ASX 100 200 can only be repaired and calibrated at DATEX ENGSTROM If the motor assembly preamplifier board EEPROM temperature measuring components or the reflectance sensor AI have failed the unit must be repaired and recalibrated at factory Temperature compensations and temperature zero can only be calibrated at factory DATEX ENGSTROM is always available for service advice Please provide the unit serial number full type designation
77. 43 Revision 07 all except 27 and 43 CE mark new SpO board new oxygen sensor adaptations 21 23 25 replaced by 22 Revision 08 27 and 43 adaptation 43 CE mark adaptations 27 and 43 new SpO board new oxygen sensor Revision 08 all except 27 and 43 Revision 09 27 43 new mains switch new rear panel main software video board ASIC January 15th 1997 6 3 3 Manual updates CAPNOMAC ULTIMA SERVICE MANUAL 3 5 3 3 1 CAPNOMAC ULTIMA service manual changes Manual update 6 Page Header page Section 1 up Oo rA Go 1 1 1 1 1 1 1 ne I P2 PO 1 ER em amm NEOR Qo 5 1 1 1 N Qo VIVID DDD DAA cn This is the update number 6 to the ULTIMA service manual After this update the manual covers 00 to 08 revision monitors and revision 09 monitors of adaptations 27 and 43 Of all the pages taken out of this manual the following pages should be filed in chapter 11 5 3 5 4 5 5 5 31 5 34a 5 36 7 4 Change new address and date index revised rev 07 08 and 09 added manual update page revised update 6 added software changes for rev 07 08 and 09 added block diagram revised gas sampling system di
78. 5 MEASURE 119 18 R112 lt 2118 DIGITALLY Eas 5 56 R123 it 271 gizef R118 CONTROLLED 2458 8 9v1 AMPLIFIER gt 6182 52 12 T 160 Vill AS 12V 9215 12 12 2 8128 12 32V 5 5 2 92 a xi j 14 693 5 4 8 3 8125 GND RC 5 9vt YRAC 7 ue t 192 0 aoe pet 300M PAE 5 8 2X4 MUX 5 35 E 120 585 748C164 Q9 20 05 DAC BBC PAS 2 REDCH 2 FAO Zoe 28 18 LEDR Zo SYNC 1 19 o 2 Ty E c4s 40 1 SAWPLER 3 2 14 5 2 16 ______ CEDIR 06261 BBN aes og LAAT 1 ___5 14 ____ MEASURE LT co eee beh R36 __ ques pes Vas mo duces a en ee ee 8 lt 2 24 06291 4784 51 pe 16 228 51 Figure 5 10 5 Measuring board block diagram and schematic diagram part 1 board modification level 8 and higher ee i 7 ow 5235 a or pa uv ig os ina March 1st 1993 3 i Ree 4 1 4 6 3 x DATEX ULTIMA SERVICE MANUAL 5 23 Figure 5 11 SpO M easuring board parts layout timing diagram ces Ca and schematic diagram part 2 board modific
79. 59 020 C22 C23 F ABD 14 12 88 3 7 5 18 15V ADDR MUX n Ki Hi DAC i A Pair TU ay af IRL 634 i xic T 22 5 DAC 8 19 82 81 TS ol lt 57 158 5 T Be V 15 53 LH GND 5 B BUS ye s gt gan Order Code 883450 vds AB A q3 B4 4 DAC lt lt ca C16 Lul 15v T 100N D 4pacs 14 A2 85 L hm C17 5 Si 15V cs2 ese ce ee cs x16 A6 B 3 DAC 125 5 86 NIMI LAITE CPU BOARD 2 3 MD gadr CH 38 882707 rec cpm xci January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 30 Figure 5 16 CPU board jumper configuration and schematic diagram part 3 CONNECTOR JUMPER MEMORY TYPE D6 32k x 8 RAM D6 128k x 8 RAM Di 512k EPROM 2M 4M EPROM D4 512k 1M 2M EPROM D4 4M EPROM 023 xs xs 123 123 27 BUS BUFFERS TM i Oc m JENI BA 27 ADS 2 MGLE I pn KEYBOARD SCANNER em 27 ail e ta N spar it 02 1 KBINT i pA 13 BINT zx 14 uja gt IODATA DATA di CH 3B 882707 eq dd lt gt o January 15th
80. 7 Gas information correct 45 Leakage current test 48 Apnea alarm Notes Numbers in parenthesis refer to the items of Preventive M aintenance Instructions Fill OK 2Check Test OK N A Not applicable Fail Test failed Any other notes January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 7 Preventive Maintenance Instructions For all Ultima models Tools needed Screwdrivers Tools for blocking internal tubes A glass of water Flowmeter Multimeter Calibration gas order code 755582 Parts needed Preventive Maintenance Kit containing D fend D fend body connector O rings Sampling line Nafion tube s OM ref filter and Dust filter D lite Pedi lite SpO finger probe Spirometry tube Silicon tubes Constriction cassettes The following preventive maintenance checks are recommended to be performed after any service repair or at least once a year in order to ensure proper functioning of the monitor Put the checking notes on the preventive maintenance check list The parts included in the Preventive Maintenance Kit are recommended to be replaced once a year Closer instructions for most of the tests can be found in this Service Manual 1 Remove the top cover side plates and the small door on the bottom Note Electrostatic discharge through PC boards may damage components Wear a static control wrist strap when handling PC boards 2 Check internal parts Screws are properly tightened
81. 7 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 21 diagram in Figure 5 11 A positive voltage pulse at 1 1 corresponds to the red LED current and a negative one to the IR LED respectively Detector signal processing The signal produced by the detector is a current The first amplifier stage is a current to voltage converter A signal current passes through the resistors between pins 13 and 14 of A3 and produces a negative voltage pulse at 14 A3 Notice that the part of the feedback resistance is located in the probe connector The bias voltage of the detector 4 2 V is the voltage difference between the connector pins 3 X1 5 V and 5 0 8 V At 8 A3 the detected voltage pulses are inverted to positive value The digitally controlled amplifier is a Digital to Analog Converter DAC D5 The signal is fed to the reference input of D5 The 8 bit digital control word is transferred over the patient isolation barrier in serial mode PA2 and is converted into parallel mode by a shift register D4 The signal level at the output 7 A3 is adjusted to 3 to 8 V by the CPU The amplified signal pulses are separated to red and infrared channels by sample and hold circuitry S H Voltages and vir are proportional to the total intensity of the light detected at the respective wavelength Vrac and Virac are the amplified alternating components plethysmographic pulses The signals are multiplexed into two channels by a 2 x 4 MUX A5
82. 73373 21 Domping chamber 1 7 1 05 mm Silicone 73313 E 24 1 7 1 05 mm Silicone 73373 1 7 1 05 mm Silicone 73373 16 3 18x6 35 mm Silicone 73315 3 18x6 35 mm Silicone 73375 4 8x9 5 mm Silicone 73376 10x2 5 mm Silicone 73371 Selected individually see Table 5 2 for alternatives Front panel 1 Damping chamber 57150 fend water trop i Absorber 874643 L piece 733811 De T piece 733821 50 19 0 Adapter piece 73388 HU Uu Dust filter 86901 Room oir Small damping chamber 878099 Note Constriction cassettes are selected to adjust proper flow rates See Table 5 2 for alternatives March 1st 1993 3 DATEX ULTIMA SERVICE MANUAL Figure 5 5 Preamplifier parts layout NOTE DO NOT TOUCH R2 AC4F 875105 5 and schematic dia board modification level 8 and higher 5 12 gram 144148 V 184148 1 479N 59V M arch 1st 1993 3 rae pee HT 612 190 38V m pu T Tun t TLPOS7 5 055 LERI 15VOIRTY RIS 2 75 16 lt 2 714 31 53 16 12 385 7 2 R14 Bras ii 6 11 PHASE 13 RY ANO RIF SELECTED NUCSICS4EN INDIVIDUALLY EPROMCS 1 5 1 815 EA D R2 DARK SELECTED RESISTANCE RE
83. 997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 49 Table 5 12 Pressure valve Mother board X7 15 VDIRTY OCCLUS SIGNAL NC Table 5 13 Mother board test connector X13 AGND ADC4 VOUT IR AIN4 SSIGN ADCI AWP ADC3 ADCS AWF Table 5 14 Video control board X2 Video unit main pc board X13 Pin No Signal GND Comp Video signal Video HSYNC VSYNC GND January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 50 Table 5 15 ACX measuring board X2 Preamplifier board AGND Signal IN OUT EEPROM CLB dark Temp IN OUT 15 15 SYNC IN OUT EEPROM R EEPROM WRB EEPROM 2CS clear MOTOR B 5 V 15 VDIRTY DGND 1 2 3 4 5 6 7 8 9 Table 5 16 Front panel SpO connector SpO measuring board Pin No Probe identification Probe identification Ground Iled Vb 4 0 3 V Ground 12 Vp 1 Ur January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 5 Table 5 17 Power supply board Line transformer 22 VAC secondary voltage of GND the line transformer and 22 VAC ground Table 5 18 Power supply board X2 IR lamp 5 VDC voltage for IR lamp Lamp ON OFF Table 5 19 Power supply board Fan supply voltage for fan January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 52 Table 5 20 Power supply board X6 Video unit main pc board 12 V Video brightness control Vide
84. Also 5 V and GND are connected to MUX input The value of the resistor Rc in the probe connector can be read through the red channel if needed The two output channels of MUX 5 are transferred across the patient isolation by two identical pulse width modulator optoisolator demodulator chains The frequency of the pulse width modulator is about 20 kHz The demodulated signal is inverted January 15th 1997 6 ULTIMA 7M SERVICE MANUAL 5 22 15 to CPU 15 DIGITALLY SK140 CONTROLLED AMPLIFIER Meosuring Control signols from CPU signo 554 108N di 5y 3 3 17713 1474 YR VRAC Isoloted D 2X4 MUX m p components i 4 42 asst multiplexion of signa c TIMING CIRCUIT Digitolly controlled amplifier 11 R36 4 75 412 673 C19 Preamplifier HIGHPASS LOWPASS T HIGHPASS LOWPASS Figure 5 10 SpO2 Measuring board block diagram and schematic diagram part 1 SHO component on the colder side Une ps 00 13 DATEX Sp02 B0ARD 1 4 445 OY ee az es werte Ged January 15th 1997
85. Do not use other cleaning agents such as blood gas electrode cleaners They may damage the unit Use only DATEX ENGSTROM Cleaning Fluid 85969 Cleaning procedure Tools needed 10 ml syringe water glass 2 pcs 30 cm silicon tubes with inner diameter of 3 mm Screwdriver a Detach the measuring unit from the monitor or gas module b Attach the silicon tubes to the tube connectors on the unit c Attach the 10 m1 syringe to one of the tubes d Place the tip of the other tube into the water glass e Pour some distilled water into the glass f Suck the water into the tubing with the syringe g Leave for 15 minutes h Move the syringe piston in and out 10 times i Detach the tubes from the unit and empty the water from the measuring chamber j Attach one silicon tube to the unit and connect the other end of the tube to the gas outlet of the monitor or gas module January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 25 k Switch the monitor on and let the sample out flow dry out the unit at least for 15 minutes 1 Attach the unit back to the monitor gas module and switch the monitor on m Let the monitor run at least 30 minutes before checking the calib zero in the service mode n If the zero value is still more than 61000 repeat the procedure with the Cleaning Fluid NOTE After cleaning with the Cleaning Fluid the measuring chamber must well rinsed with distilled water NOTE The monitor
86. ECT PEAK SEARCH DARK TIMING SAMPLE GAIN HOLD CONST PRES PRES PRESS SERIAL SENSOR COMMUNICATION CALIBRATION PARAMETERS 1806 e 15 DIRTY 6 un ADS TS LAMP 614 na De 1 PHOTO METER 07 C13 A13 i PROCESSOR x1 xii ADS ADG A11 ARO At 1 1X CTRLBIT s EEPROMRB 9 EEPROWICS R202 SHOTO 108K PUMP 280 MOTOR 14 L ADDRESS ACX MEASURING BOARD PN R63 114 SYNCIN Figure 5 7 ACX Measuring board block diagram and schematic diagram part 1 board modification level 4 and higher p m m 2 DATEX MITTAUSKORTTI t er berre yu Rui 050 88028 2 7 100 0 8 March Ist 1993 3 CAPNOMAC ULTIMA TM SERVICE MANUAL 5 18 DCND AGND 2 Figure 5 8 ACX Measuring board parts layout and schematic diagram part 2 board modification level 4 and higher A 5 P N 15 159 AC4F 87 950 2 6 jc 2 E si Lave 7 13 12 120 s 14 N20RE se rm 2 674 R92 22 GASPRESS X2 4 2 SIGIN 3 FEPROWELB x2 9 EEPROMVRB 11 MOTORB in use 12 CO20FFSET 3 15V DIRTY R123 7 12K1 N1MI SIVU LAI E DATEX MITTAUSKORTTI Eg ITE 100 ACX 200 0 INSTRUMENTARIUM OY Pe RA 3B 880289 2
87. EPLACE SAMPLING LINE REPLACE WATER TRAP YES NO ATTACH CORRECTLY YES CHECK SAMPLING SYSTEM FOR LEAKS BLOCKS CHECK ZERO VALVE CONNECTOR TO GAS MEASUREMENT ADJUST FLOW RATES SEE SECTION 7 2 TROUBLESHOOTING SECTION 6 4 4 CHECK MAIN AND SIDE FLOW TUBINCS FOR EXTRA FLOW RESISTANCE ADJUST SIDE FLOW RATE GO TO GAS MEASUREMENT END TROUBLESHOOTING IN SECTION 6 4 4 PUMP CIRCUIT NO REPAIR wr 2VINONdVO 9 CAPNOMAC ULTIMA SERVICE MANUAL 6 15 6 4 4 Gas measurement troubleshooting SYMPTOM No response to any gas No response to neither nor AA Either 0 or AA response missing No O response Zeroing of CO 0 and or AA fails Strong drift in all gases Table 6 2 Gas sampling system troubleshooting chart POSSIBLE CAUSE REMEDY sampling line or water trap blocked Internal tubing constriction cassettes blocked or loose Water container loose Pressure valve malfunction Pump failure Supply voltage missing power supply board failure A D converter faulty Chopper motor not running IR lamp failure Check the IR lamp resistance approximately 3 5 Ohm and the lamp voltage 4 VDC min If there is no voltage check the LAMP ON signal from the ACX measuring board connector pin b13 If the line is high the mosfet V7 on power supply
88. ET REF 4 01 CIRCUIT cl 22U 16 ul 22007 4329 DIY 415 2 25 52 xii 15 11 45 15 127 18 12 15 ex 22YACl 74 28v0C IW 23 IN 21 4 2 9 18 148 29 E n s 1869532 M r de 59 1 57 ANALOG 1 0 PIIRI HYY gt z ERU N ES I POWER BOARD sivu UATE 3 3 PC CC 58 880009 CAPNOMAC ULTIMA SERVICE MANUAL 5 39 5 9 Mother board Parts layout and schematic diagram Figure 5 23 The mother board contains mainly the system bus interconnections and connectors Also on the board are power bypass capacitors and driver transistors for the sampling system magnetic valves gas zero and pressure valves For signals in each bus see the Tables in Section 5 12 5 10 Keyboard Parts layout and schematic diagram Figure 5 24 The keypad pc board is a simple 4x4 matrix which is scanned by the keyboard controller on the CPU board 5 11 Loudspeaker unit Parts layout and schematic diagram Figure 5 25 Audible alarms and beeps are generated by a separate loudspeaker unit It contains an 8 ohm 0 4 W speaker and the associated driving circuitry January 15th 1997 6 ULTIMA SERVICE MANUAL 5 40 Figure 5 23 Moth
89. IMA SERVICE MANUAL i 6 23 6 4 12 ASX Troubleshooting TROUBLE MIXED AGENT message when calibration gas is fed No response from ASX ASX TEMP OUT OF RANGE message ASX EEPROM OUT OF LIMITS message ASX EEPROM WRITE ERROR message ASX ROM CHECKSUM ERROR message ASX AUX RAM ERROR message NOTE Please read also Error messages in Service mode section and the troubleshooting pages in Operator s Manual The part of this chart is duplicated from them CAUTION The agent identification benches ASX 100 200 can only be repaired and calibrated at DATEX ENGSTROM If the motor assembly preamplifier board EEPROM temperature measuring components or the reflectance sensor Al have failed the unit must be repaired and recalibrated at the factory Temperature compensations and temperature zero can only be calibrated at the factory Table 6 4 ASX troubleshooting chart POSSIBLE CAUSE REMEDY Repeat calibration Note ASX softwares of level 1 0 and 1 1 are not capable to identify calibration gas R23 and the MIXED AGENT message will appear instead of CAL GAS IDENTIFIED message Communication between ASX unit and CPU board is lost ASX bench disconnected or faulty Check that the motor is running ASX bench is beyond the temperature range 5 to 60 degrees centigrade It is probably too cold Warm it up and start the monitor again EEPROM contents are false If the message appears repeatedly chan
90. IMA SERVICE MANUAL 5 46 Table 5 6 Power supply board X10 Mother board X5 AGND AGND PA7 ALR CALL 21 VAC 12 V 12 V 5 V 5 6 RTSO SEROUT2 SERIN2 OPI RTSB PC5 PUMPON SEROUT 1 SERIN 1 OPO RTSA SEROUTO SERINO RESET TI CTSO PB6 PB5 4 LAMP PB3 DACI FLOW DACO IR DACO PRES AOUT O AOUT CO DAC2 SpO DAC5 ALARM DACA DAC7 ALR ADJ AOUTI AOUTS AA LAMPON NC NC not connected AIN is an A D converter and AOUT is a D A converter in ACX board ADC is an A D converter and DAC is a D A converter in CPU board January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 47 Table 5 7 SpO measuring board X2 Mother board X10 15 VDIRTY PAO PA3 PAI ADC 4 VOUT IR 15 ADC 6 VOUT 5 PA2 AGND 1 2 3 4 5 6 7 8 9 10 Table 5 8 Keyboard Mother board 8 Xl row X2 row row X4 row Y2 column column Y3 column Y4 column 1 2 3 4 5 6 7 8 9 10 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 48 Table 5 9 O measuring unit Mother board X9 Pin No Signal 15 VDIRTY GND DIRTY NC NC NC 15 V ADC3 NC 15 v AGND 1 BW WN Table 5 10 Gas zero valve Mother board X11 Signal 15 VDIRTY ZERO SIGNAL NC Table 5 11 Power supply board Mother board DGND GND DIRTY 5 15 15 15 VDIRTY January 15th 1
91. LITE ERIS 9 1 7 m _ E 26 27 BEE 86 11 3 B Ut omama a 5 GE 12 z 121 175 17 me JS RESET pg 25 816 LE BE C16 Ai PBS 2 B1 15 TONY paa 2 B b WD 7 21 PB2 ppi 19 1 A29 RV 36 PBS 18 59 per 44 57 i pes 15 813 AV 863 1782 PC3 9 J 12 82 pci 2 10 87 27107 353 06 18 06 m 44 T 13 105 INED AS 1854 63 04 58 4 82 T tom 03 31816 1 2 pur 57 T fe SEN2 AB 02 32 D2 2 2 DT 33 2 LiB 35 01 pare Abe L 1 gt 6 t2 j 26 MODUM 04 Us BUFTINS A2 32 LEED SE 2 7 vl xj t2 294 57 9 rE 1 7486245 Ej Aa 2 h 18 A9 14 __4 ____ 16 2 MOP 1 H6 Ei A4 13 LT 748C244 DATA 2 eo 4 6886 8 __ NIMI sivu LAITE au 31 03 02 05 ozer 6368 __ __ 7 wT OS 114114 INSTRUMENTARIUM oY DIT ae oe 3B 876636 8 2 pee eee 5 6 1 8 9 DATEX ULTIMA SERVICE MANUAL 5 29 Figure 5 15 CPU board parts layout and schematic diagram part 2 board modification level 8 and higher 876637 2
92. M CHECKSUM ERROR EPROM contents are false Change the component 46 ASX AUX RAM ERROR Auxiliary RAM failed Change the component 50 PVX reset 5 NO RESPONSE FROM PVX 56 DOWNLOADED Items 50 51 and 56 message RESPONSE appears when Ultima loses Then reset follows and finally downloaded and the measurement 1s cancelled Those messages may appear because of occasional serial communication fault and may not mean anything serious 52 ULT gt CSUM ERROR 53 PVX ULT CSUM ERROR Items 52 and 53 Serial communication between the two of them failed Quite rare and can appear for an elusive reason 54 COMMAND NOT IMPLEMENTED Ultima is sending wrong commands which PVX cannot recognize 55 WRONG RESPONSE FROM PVX 15 giving wrong response to Ultima faulty 58 ASX reset ASX reinitialized Reinitialization is always done once after an error message comes from ASX If the error persists ASX is downloaded 59 NO RESPONSE FROM ASX Ultima does not communicate with ASX Bench disconnected or faulty 60 ULT ASX CSUM ERROR 61 ASX ULT CSUM ERROR Items 60 and 61 False string in communication See the items 52 and 53 above 62 COMMAND NOT IMPLEMENTED 63 WRONG RESPONSE FROM ASX 64 ASX DOWNLOADED Items 62 to 64 Communication with ASX stopped because of errors ASX INOPERATIVE message appears on Ultima See the items 54 to 56 above
93. PEEP high No pulse Low limit set to 40 beats min 12 5 low or high aa alarm limit violation no longer exist in inspiration Event Status string starts with U97 B97 POW Pr 882916 1 1 B97 RES Pr 882926 1 1 97 7 97 97 B97 PRE zzz Monitor starts after power off Main software code Monitor starts after reset Main software code Zeroing gas sensor Calibrating gas sensor Back to normal operation after calibration or zeroing Ambient air pressure measured at monitor start up zzz ambient air pressure mmHg January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 6 Message String Message strings start with a blank Note that character below indicates a blank CO zero error Zeroing CO sensor failed O zero error Zeroing sensor failed zero error Zeroing N O sensor failed Zero error Zeroing AA sensor failed Language interpretation German English KAL CAL PF PR NG AA CO zero error O fehler O zero error zero error N O 0 fehler O fehler AA zero error French English AH AA Erreur zero CO CO zero error Erreur zero O O zero error Erreur zero N O N O zero error Erreur zero NG AA zero error January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 7 Table 12 1 Status Code Interpretation Ist digit 1 and Status 2nd digi
94. RE ERREUR poo e l CAPNOMAC ULTIMA SERVICE MANUAL 5 40a X3 FLOW x4 FLOW x4 10 2 1 10 lt Figure 5 23a Mother board schematic diagram board modi ication 14 2o Ho e gt lt level 4 and lower 44 B T 4a 19 649 5 5 Cp 437 FLOW lt 7 7b 7b 4065 80 Bb tcp cn 9 005 4 9o 9b ib IT M IIl cce 11a 114 115 mp 11b 128 124 12b ame 12b 130 130 13b i 13b 14a 14c 14b 14b 15 156 15b 5 5 158 5 160 F 165 16b gt 16 170 3 176 17b 5 17 18 3 3 188 18b gt 19a 19a 196 5 F6 FGAINI 19b 200 5208 A 280 28b gt ary 28b 21a SLLSEROUTIT 219 21b 5 21b 220 220 22 gt 22b 234 OUT 230 23b PCG ZERO 23b 240 249 24b gt 24b 250 250 256 5 1 25b 260 269 266 5 25 272 272 27b 27b 280 TT ANDR 284 285 5 20 F 1 5 TM 6 319 310 31 34b 324 5 GNDDIRTY GNODIRTY 326 gt PA7 ALR 32b BUS vL 16 REF 1 REF h 9c c J 5 ACX FLOW X4 L NOTE 3e pem AIN is an AD converter and AOUT is DA converter ACX board ADC ia on AD converter and DAC is DA converter CPU boord 276 27 28 UV 28 29c ay lt aa TARK 7 8
95. RESET is constantly high check the 5 V supply line for spikes or low voltage The analog part is somewhat easier to troubleshoot The input analog voltages are easily tracked to the MUX input After the MUX the voltages are multiplexed so that the resulting waveform is of 200 600 Hz frequency IR analog output is updated every 10 ms other analog output channels are updated every 40 ms Thus the D A conversion interval is 5 ms 6 4 7 1 Instructions after replacing the software or CPU board After replacing the software or CPU board perform the gas calibration re establish previously used settings or inform the monitor user that all other settings are default values January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 20 6 4 8 Video ASIC board troubleshooting Due to the number of components in video ASIC board we recommend changing the complete board in case of failure January 15th 1997 6 ULTIMA SERVICE MANUAL 6 21 6 4 9 Power supply board troubleshooting SYMPTOM No voltages Both switcher voltages missing One switcher voltage missing The following troubleshooting chart will help in pinpointing a malfunctioning component The only part that requires good understanding of operating principles are the switching supplies Consult the IC data sheet for more information on the LM 3524 switcher controller Table 6 3 Power supply board troubleshooting chart POSSIBLE CAUSE
96. SERVICE MANUAL 12 1 12 APPENDICES A COMPUTER OUTPUT Serial amp Analog I O Connector In general The output format is a string of three digit ASCII fields separated by commas The first field serves as a string type code field Exception to this rule are the message strings which start with a blank followed by an ASCII string strings end with carriage return and linefeed characters Serial data strings are sent out once every 10 seconds A numeric string of measured parameters and alarms are transmitted for data recording with a computer The monitor s serial output has to be set to NUMERIC MODE in STARTUP USER CONFIGURATIONS menu The serial communication protocol is transmission rate 1200 b s 8 data bits no parity stop bit Normal data string starts with BOO UOI 003 004 Alarm activation deactivation string starts with 99 799 98 U98 and events status string starts with B97 Interpretation of Status Code The 3 digit status code at the end of the serial data string indicates possible error and alarm states Each digit must be interpreted separately according to the Table 12 1 When the status code 1s 000 no status data 1s transmitted When it 1s 100 200 700 or 900 no errors or alarms are active January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL Serial Data String BO0O string string type Hours Minutes EtCO2 x 10 FiCO2 x 10 EtO2 102 EtN20 FiN20 90
97. SISTOR RI RI7 gt 489K 758X ee x pe ETATEN TETEA ERES punc rens D LS sw manm 15 05 33 1492 491 3 HTE 180 DATEX ACX ETUVAHVISTIN i Tun ss mmm Re AR 1 2 3 4 6 1 ESTE DATEX ULTIMA SERVICE MANUAL 5 20 5 5 5 0 measuring board Block diagram and schematic diagram part 1 Figure 5 10 Parts layout timing diagram and schematic diagram part 2 Figure 5 11 Signal waveforms and schematic diagram part 3 Figure 5 12 Schematic diagram part 4 Figure 5 13 The board is intended to perform the following tasks Control the LED light sources of the probe Amplify the signal coming from the detector and separate the red and infrared signal components to respective channels Multiplex in both channels the alternating component of the signal plethysmographic pulse with the signal proportional to the total intensity measured with the respective wavelength Connect the multiplexer output channels red channel and IR channel to the CPU board isolatedly The isolated power supply is based on switcher controller circuit D1 which is used without any feedback from the secondary of D1 performs as an oscillator of about 45 kHz It also limits the current through T1 if overloading occurs The isolated supply voltages of
98. TIMA SERVICE MANUAL 9 4 Other external parts Top cover white Top cover vhi Top cover 27 Enclosure bottom Enclosure bottom white Foot Side cover dark Side cover white Side cover screw Software Main software EPROM see page 9 5 ACX software 88116 software 878728 software with pediatric measurement 885470 The part is recommended for stock The part is sold as an accessory Explanation of the codes and numbers used in the spare parts list Monitor type designation ULT xx yy zz XX indicates the model of the monitor It can be either 1 S SV V i Si SVi or Vi see page 3 1 yy indicates the adaptation of the monitor It is a 2 digit number 77 indicates the revision of the monitor January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL History of ULTIMA revisions and main software codes First stage autumn 1989 ULT 1 xx 00 dark ULT 1 27 00 white ULT S xx 00 dark ULT S 27 00 white Second stage summer 1990 ULT 1 xx 01 Man ULT 1 27 00 white ULT S xx 01 ULT S 27 00 white Third stage spring 1991 ULT 1 xx 02 white ULT 1 27 01 white ULT S xx 02 white ULT S 27 01 white ULT SV xx 02 white ULT V xx 00 white Fourth stage autumn 1991 ULT 1 xx 03 white ULT 1 27 02 white ULT S xx 03 white ULT S 27 02 white ULT S 25 00 white ULT SV xx 03 white ULT SV 25 00 w
99. The measuring electronics block diagram is in Figure 5 3 The functions are divided between the ACX measuring unit photometer and the ACX measuring board 5 2 2 ACX measuring unit CAUTION The ACX photometer and its components are repaired calibrated at the factory Attempts to repair calibrate the unit elsewhere will adversely affect operation of the unit DATEX ENGSTROM supplies spare ACX photometers The information provided for is for reference only The ACX photometer is of dual path type The infrared light beam passes through a measuring chamber containing the gas to be analyzed and a reference chamber which is free of N5O and AA The measurement is made by determining the ratio between the two light intensities The ACX photometer is shown in Figure 5 4 A filter wheel is used to control the light from an incandescent lamp that passes through the photometer The filters are arranged so that the light is passed sequentially first at the CO absorption wavelength through the reference chamber then through the measuring chamber finally it is blocked completely The same sequence is repeated at the 0 and anaesthetic agent gas absorption wavelengths January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 8 After passing through the filters the light is reflected and focused by a mirror onto the infrared detector This detector measures the three light levels for each gas described above
100. UT OUT QUT x ome cux a decr elo x pum we peor Al A2 AS 4 5 5 A6 5 7 A7 AB AB A9 9 Ale A10 t 11 11 12 12 652 552 WR WR B 3 CS p 4651 M N 5e NIMI SIVU LAITE PVX 100 E as s 1 wus 4 111 RM PP i seme A TUIS ial HUNC ee 4 eee lt 2 CAPNOMAC ULTIMA SERVICE MANUAL 5 56 u m 4 n gt 535 C164 C1 470 470 35V 35 35 Figure 5 27 board parts layout and schematic diagram part 2 board modification level 2 and higher ds bes een C44 ah 2 gt 1 1 11 2 gt 2 TEMP 16 1 TEMP ttt 15 65894 Ligon UL PR 7 ie T A6 AT T OUT 1 125 18 1 MM aM inlet from the dust fea inlet from the inlet from the l back of back of 85 10 REF 024 front panel front pa 10 REF X3 TP2 C26 2 1 REF 4 83 p us pe ee loves dq cole DATEX UL 877769 7 Ox Bearra 192 2 15V 4 x 157 159 2 H 625 624 j A8 TNR 2199 REF 19 vere
101. X13 on the mother board b Let the monitor draw in room air and adjust the voltage to zero with the O measuring unit trim resistor designated ZERO see Figure 7 2 in the O module pc board The potentiometers are located at the same side of the measuring unit as the tubing connectors c Perform software calibration refer to Operator s Manual 7 3 2 Gain adjustment a Adjust the O measuring unit offset as described in the previous section b Sample 100 oxygen and adjust the measuring unit output to between 7 7 V and 8 3 V with the trim resistor designated Gain see Figure 7 2 If the voltage will not reach to 7 7 V it can be left between 5 0 V to 7 7 V Check and if necessary readjust the offset and gain until the readings remain stable c Perform software calibration refer to Operator s Manual 7 3 3 Temperature compensation adjustment Factory calibrated January 15th 1997 6 ULTIMA SERVICE MANUAL 7 7 7 3 4 Frequency adjustment The switching frequency of the electromagnet of the measuring unit has been selected to be 110 Hz or 165 Hz to avoid interference from harmonics of both 50 Hz and 60 Hz mains frequency Fine adjustment 1s seldom necessary However if you wish to reduce the effects of mechanical resonance peaks of the cabinet which appears as high noise level of O measuring unit analog output above 20 mV peak to peak it is worth of trying the fine fr
102. ZEROING Check that 5 minutes after power up the automatic zeroing takes place This is indicated by the ZEROING PLEASE WAIT message After zeroing the gas displays should read CO 0 0 0r00 mmHg O 21 0 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 4 GAS ZERO AND CALIBRATION Let the monitor draw 1n room air for 2 minutes before starting the calibration The calibration is performed as follows Press the CAL key and choose GAS CALIBR Wait until the monitor finishes zeroing Feed calibration gas till the monitor recognizes it Correct gas value with the MENU key Exit calibration by pressing NORMAL SCREEN key When all the gas are calibrated recheck the calibrated values once again Perform the calibration again if necessary 6 OCCLUSION TEST First be sure that the monitor initialization is over Stage occlusion by blocking the sampling line Check that the Occlusion alarm comes on Check both audible and visual alarms 7 GAS SAMPLING SYSTEM CHECK Perform Gas Sampling System Leak Test Water Separation Test and Response Time Test See Section 6 4 3 Gas Sampling System Troubleshooting 8 AIR LEAK TEST Detach the water trap The text LEAK appears on the screen Attach the trap again The text AIR LEAK should be replaced by 9 SAMPLING SYSTEM PRESSURE Choose Service menu and then GAS SERVICE The pressure value on the screen PRE will be about 700 mmHg
103. _ 026 16 TAS 02674 mo aa trba VIDEO CONTROL BOARD TIMING DIAGRAM November 1st 1993 4 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5 33 Figure 5 18 Video control board parts layout and timing diagram Board modification level 3 and higher cx 12 E Sf i E 3 amp L jk 3 E 6 06 14 E 9 UL 4F 883 02 8 24MHz Clock 02615 RAS 02617 MUX 02619 LOAD 02616 CAS pex a 0 f _____ pare fe pe pets CONTROL BOARO TIMING DIAGRAM June 1st 1994 5 DATEX ULTIMA SERVICE MANUAL 5 34 Figure 5 19 Video control board schematic diagram board c24 a25 25 a26 c26 227 27 aa au c20 modification level 8 and higher 4 is 204 09 EBENEN September 1st 1992 2 o v R7 o o to UC 09r p X2 5 CeT On D6 HHC 5 I HSYNC 06 E c3 Ho 812 Z R T s 213 7 06 R2 1k62 posite C VS V video 7 4c02 V R4 GRI Di 4 2 C Fem 2 2 13 2 HC 758 R5 2x2N3904 P DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5 34 Figure 5 19 Video control board schematic
104. age The display processor adds the synchronization information which is separated into vertical 50 Hz and horizontal 15 KHz components before being sent to the CRT unit The signals are also combined into a composite video signal which is output to the rear panel May 2nd 1991 1 DATEX ULTIMA SERVICE MANUAL 5 32 Video sync n H sync M Video ps Comp video Sync Video shift resister System ous Buffer disploy processor Graphic Buffers 5 lt 1 1 1 e 1 Address decoder 24 MHz CAS RAS T MP timing clock C 124 MHz clock Counter Sequencer Figure 5 17 Video control board block diagram May 2nd 1991 1 DATEX ULTIMA SERVICE MANUAL 5 33 Figure 5 18 Video control board parts layout and timing diagram board modification level 8 and higher Video RAM S NEN d h Lt hae P N 870646 a Ctrl sp els 2F 870088 8 02 8 24MHz clock D4n CK 15MHz 026 13 STR 026 15 RAS D26 17 026 19 02616 026 14 026 16 AD XS Es VIDEO CONTROL BOARD TIMING DIAGRAM May 15th 1990 DATEX ULTIMA SERVICE MANUAL 5 33 Figure 5 18 Video control board parts layout and timing diagram 883108 UL 4F 8831096 4 DATEX 026 15 RAS 026 17 MUX 02619 LOAD 02676 CAS BLK 10 0264 _
105. agrams revised gas sampling system layouts revised ACX 100 replaced with ACX in general description O field frequency changed from 165Hz to SpO board P N changed jumpers x4 and x6 removed from CPU parts layout video ASIC board information added data retention voltage source changed from 15V to 5V block diagram revised adaptation 23 replaced by 22 information concerning 0 zero constant added troubleshooting table revised troubleshooting instruction revised troubleshooting table revised instruction for ACX measuring chamber cleaning added ASX 100 replaced by ASX in text as sampling system adjustment chart revised 2 adjustment instruction changed Philips Video Display Unit schematics added preoperative check list revised preventive maintenance check list revised preventive maintenance instructions added spare parts list revised revision and main software history revised text added to expl picture of adaptation 27 expl picture of adaptation 27 rev 09 added information concerning PBJ 124 printer added January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 6 3 3 2 Record of manual updates carried out Update Carried out by number Name Date Datex May 2nd 1991 2 Datex September Ist 1992 3 Datex March Ist 1993 j Datex November Ist 1993 3 Datex June Ist 1994 6 Datex Engstrom January 15th 1997 10 12 13 14 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 7 3 4 Software change
106. al 72 13 7 4 9 1 9 2 9 3 2 CAPNOMAC ULTIMA SERVICE MANUAL SpO measuring electronics troubleshooting chart eee 6 18 Gas sampling system adjustment chart 7 4 measuring Unit SOL ek 7 7 Video display unit Philips schematic diagram 7 10 Video display unit Philips schematic diagram eese 7 11 Exploded picture of the monitor all except 27 model 9 8 Exploded picture of the monitor 27 model rev 08 and lower 9 9 Exploded picture of the monitor 27 model rev 09 9 10 Schematics OF tie cse edu SU de RN as B 10 Layout and assembly of the isolation B 11 January 15th 1997 6 1 6 CAPNOMAC ULTIMA SERVICE MANUAL 1 7 cp 41 Pin order of the pulse oximeter probe connector 4 15 42 Pin order of the SERIAL amp ANALOG connector eene 4 16 43 Pin order of the AUX nennen ens 4 17 5 1 1 Tube lengths without 1 5 4 SA2 Tube leneths with ei bare a desta teer lus 5 5 29 2 Flow SOBSUTCUOR s du ER t iR di Ri D UN SUN M MD IRAN 5 6 5 3 Video contro
107. and moins socket outlet system is used position of line L and neutro ia the appliance inlet depends on the position of meins set into the moins socket outlet The contact dasitions of app cance jooking at the engagement face the met November Ist 1993 4 INFRARED LAMP C02 MEAS UNIT ale DRv 2 12 PAS PAS ALARM QALS 0 RF228 e kia jm T eco TESI d CONNECTOR X4 4148 15v 9 Viv 24 C31 100 35v 8 vec 5 RES 7769 1 RESET 1 REF CIRCUIT 19 24 22 2 59 124 187226 ra 1859532 Y33 i 5 5 4 NOI USE ADAPTATION 76 10 MOTHERBOARD SERIAL ANALOC 1 0 15 8 5A 11 15 15 15 12V 22YAC2 22YAC 26v0C IN 26v0C AUX 170 18 7 7 RISA SER 212 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 6 4 11 board troubleshooting 6 22 See the following flow charts to troubleshoot the PVX board NOTE Pressure transducers B1 and B2 and EEPROM D4 are replaced only at the factory NOTE Never apply overpressure or negative pressure of more tha
108. anuary 15th 1997 6
109. atient end of the sampling line into water quickly about half a second three times at 45 seconds interval After that drop the end into water and lift it up when the sampling line is totally filled with water Check that all the water goes into the trap container and not into the monitor 3 STEAM TEST FOR THE SPECIAL TUBE Choose halothane as anaesthetic agent and let the monitor sample room air Then quickly feed air of 100 relative humidity for instance from a kettle in which you have boiling water to the monitor If the digital reading jumps as much as 0 1 then replace the special tube 4 RESPONSE TIME Choose Service menu and then GAS SERVICE Feed test gas until the gas value on the screen remains stable Press the 4 key and pull the sampling line quickly out of the gas source The monitor calculates the fall times automatically and shows the values on the right lower side of the screen The maximum allowed fall times are CO 360 ms 480 ms If the response time is slow change water trap Return to Service menu by the NORMAL SCREEN key January 15th 1997 6 179 201 00 59 4001 urojs amp s sex DOES THE PUMP RUN NO RESPONSE TO BREATHING OCCLUSION ALARM ON iS ON POWER BOARD CHECK ADJUST CHECK INTERNAL MET FLOW ES TUBING FOR SEE SEC 7 2 BLOCKS YES NO R
110. ation 1 p level 8 and higher ui ai SZ 62 S 3 E Y32 43u 6v3 285994 yi4 283994 PATIENT ISOLATION P N 875842 Ctri 129 T v29 2N3904 03 16 283884 03 15 LEDR v22 283984 E I 03 14 MEASURE 1 0343 SAMPLE i T vies 03 17 SAMPLE p 4 20 25 5 E OKSIMETRILEVY UM INSTRINENTARIUN 0S 38 875835 6 5 7 M arch 1st 1993 3 dabat DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5 24 Figure 5 12 5 0 Measuring board signal waveforms and schematic diagram part 3 board modification level 8 and higher IR RED A3 8 Gig 3 8V 2 300 Hz A5 8 A5 9 A4 VR 0 AU m 2 ALIN 3 2 1 2 10V A18 20kHz 20kHz Ser qe Ted aux 20kHz 20kHz AV x11 154 1993 3 PATIENT ISOLATION ries 1 crea 22009 STIR ane th Gh Tw T 22004 588149 JN 7 th 65 pu SBR 140 NP v91 4 s8R 148 RI 511 v93 one tis 7 SBR148 2N2 le 1 we SINE ISOLATED POWER SUPPLY VETO 1N 184148 P sig DATEX INSTRUMENTARI UM OY EM Iz md R121 LLS E C100 4N7 NIMI v23 2844 01 05524 EE OKSIMETRILEVY DATEX CAPNOMAC ULTIMA
111. ations EEPROM column shows the values that are currently used by the bench CALIBR column shows the values after calibration before they are stored to EEPROM Time offset Time between sync pulse and measured spectrum 30000 corresponds to 360 or 40 ms CALIBRATION The time between synchronization pulse and measured spectrum time offset of the ASX 100 200 is calibrated together with the gas calibration of the ACX a b c d e Press ZERO amp CAL to start calibration Zeroing is done first Feed cal gas until TIME OFFSET is OK EEPROM column shows the previous calibrations and CALIBR column gives the values measured at the previous calibration Time offset should not change more than 15 If the change is bigger restart from the beginning Exit the calibration menu with STORE softkey to store Timeoffset Feed cal gas until values are stabilized and check that both peak channels show the same values within 0 15 ASX 100 or 0 3 ASX 200 If not perform gas calibration again November Ist 1993 4 ULTIMA SERVICE MANUAL 6 9 6 4 Troubleshooting 6 4 1 Monitor start up sequence After the monitor is switched on or reset Fan on the rear panel starts to run Pump starts and zero valve opens Measuring of zero levels for each gas starts Shortly Selftest text appears on the screen the memory in the monitor is checked Program code and the date of its completion a
112. bnormally high response to all gases or abnormally low or sudden occlusion warning Random output resembling noise Fluid or dust in measuring bench Electrical connections to IR lamp faulty Loose screws in measuring unit AGC circuit faulty ACX measuring board Blocked O reference flow Uneven sample pump function Replace pump Measuring cgamber contamination 15 V missing fault in the power supply Water trap malfunction Check all internal tubing and the interior of the water trap for occlusions or leaks Replace water trap Check flow rates Analog gains out of range Check the general functioning of the measuring electronics Adjust the gain trimmer of measuring unit If not possible replace the measuring unit CO N O gas analog voltages out of range over about 9 V Measuring chamber contamination or failure on measuring unit electronics or on measuring board AGC malfunction Check analog switches and A4 False reference voltage Faulty temperature compensation circuit Leak in water trap or tubing between the trap and the measuring units the sample is diluted with air Pressure transducer failure on ACX measuring board check Pout voltage Timing pulses out of sync Check timing pulses from photometer pulse shaping circuit and logic circuitry on the measuring board Chopper motor not running Motor faulty or connection loose Driver transistor C E open circuit or current limiter
113. cm excluding feet 13 6 x 13 2 x 8 3 in 12 5 kg 27 6 Ib 9 inch monochrome video D FEND operation based on the hydrophobic membrane volume of the container 9 cm 100 115 220 240 V 10 96 of nominal voltage 50 60 Hz 100 VA Hospital grade Data memory and alarm settings are saved during power failures up to 15 minutes 50 x 50 x 30 cm 19 x 19 x 12 in 10 to 35 C 50 to 95 F 5 to 50 23 to 122 F 500 to 800 mmHg 660 to 1060 mbar 10 to 90 non condensing in airway 10 to 100 96 condensing IEC 601 1 Safety Class I Type BF CSA C22 2 No 125 MI984 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 7 4 3 Equipment classification Classification according to IEC 601 1 CLASS 1 equipment according to the type of protection against electrical shock BF equipment according to the degree of protection against electrical shock is specified in the specifications of each parameter module ORDINARY equipment according to the degree of protection against harmful ingress of water Equipment not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE with air or with OXYGEN NITROUS OXIDE CONTINUOUS OPERATION according to the mode of operation January 15th 1997 6 ULTIMA SERVICE MANUAL 4 8 4 4 Principle of operation 4 4 1 Principle of CO N 0 AA measurement Absorption 10095 75 The and anaesthetic
114. ction of the gas sampling system is to draw sample gas into the monitor at a fixed rate and to separate impurities and condensed water from the stream The sample gas enters the monitor through the water trap where it is divided into two flows see Figures 5 1 The main flow goes into the measuring system described in Section 5 2 and the side flow goes to damping chamber The task of the side flow 1s to cause slight atmospheric depression inside the trap container and thus pull down moisture in gas into the container Both flows are separated from the sample in flow by hydrophobic filter Incoming water does not pass the filter but falls into water container Because the sampling line is narrow thick fluids like blood or mucus will not propagate at all When the line is clogged it cannot be cleaned but replaced Special tube s is used to balance the sample gas humidity with that of ambient air see Figures 5 2 and Tables 5 1 The tube will prevent errors caused by the effect of water vapor on gas partial pressure when humid gases are measured after calibration with dry gases Ahead of the ACX measuring unit there is a magnetic valve which is used to set the zero point for each gas Room air is drawn into the system through this zero valve After the ACX measuring unit the main flow is divided into two in models with i parameter One flow goes into oxygen measuring unit and the other into ASX agent identification unit The press
115. ctronics The signal from the O measuring unit is sent to pin 9 and processed in the processor and passes to the main CPU board at 5 1 Measuring electronics for and AA and anaesthetic agent measurement is accomplished by measuring each of these gases from the reference and measuring chambers of the ACX 100 photometer The gas signals are transmitted from the ACX 100 photometer assembly through connector X2 pin 2 of the ACX measuring board and applied to the reference input of a D A converter 08 08 is controlled by the microprocessor and is used for automatic gain control The output current from D8 is proportional to the incoming signal and the gain 15 established for each gas CO reference and measuring N5O reference and measuring and AA reference and measuring by software The signals are converted to a voltage and amplified by A24D then applied to capacitor C30 which removes the DC offset The dark level is established on C30 when the synchronous switch A28A is closed Each signal is sampled by the peak detection circuit consisting of 24 V26 A28B R97 R201 and C15 When the peak voltage of a signal is sampled the switch A28B 15 open sending the signal through V26 which acts like a diode The peak signal is then applied to the capacitor C15 CI5 15 brought down to ground potential between signal peaks when 28 is closed and the dark signal is transmitted to it The voltag
116. diagram ov 94H 5 57 a Ie XHCK5 D5 15 i st N oo 8 D 6 H 1 C30 N gt g pe qe lee ES EET gt b 2 37 2 me 21 a 625 os Pe E iz 24 1 04 05 __ 25 39 4 gt m m E ud po es zc c i o p ia cm 5 CO 2 227 gt w s ___ Is 17 he 4 Er LE x ch 5 1 12311 12 2 3 November 1st 1993 4 47 5 01 m wv 5 eu D6 HCH k32 3 J b SUN 2 5 35 06 c T 20 t Vi HOT m y 2 1 D6 5v 220p Fh Ri2 1 LT o sh c wp n i a MR R5 2x2N3906 DATEX ULTIMA SERVICE MANUAL Figure 5 19 Video control board schematic diagram Board modification level 3 and higher on 2 25 26 2 c32 a32 SSSSRARS 7s 7541 5373 Tena Ict 5 34 a 1004 Re 32 35 220 25 Il 220p Vi R12 DR D D 9 8 5 R or K me R3 36 10 1 2 2 3904 x25 2 GBRI hm x 2 2 C32 758 7 RS 76 pes
117. dification level 8 and MONITOR x x x4 x5 xe higher 05 123 VERSION 00 05 123 VERSION 01 SC 123 SC0 123 MBM 100 ULT CH VERSIO 00 CG VERSIO 00 CH VERSIO 01 CG VERSIO 01 CMO OSE 123 VERSION 00 OSE 123 VERSION 01 56 125 500 125 MBM 108 ULT CH CMO CTO 4 CONNECTOR JUMPER MEMORY TYPE 32k x 8 RAM 8k x 8 RAM 512k EPROM 2M 4M EPROM E2PROM RAM EPROM Norm Test Ca N 1 2 2 3 1 2 2 3 1 2 2 3 1 2 2 3 gt od dede gt CPU BOARD 3 3 Em anis uL 38 876636 8 ae es NIMI LAITE MESURES EEG ort uyut Tank Ly TwuuuTos __ INSTRUMENFAR TUM OY H 3 March lst 1993 3 DATEX ULTIMA SERVICE MANUAL 5 31 5 7 Video control board Block diagram Figure 5 17 Parts layout and timing diagram Figure 5 18 Schematic diagram Figure 5 19 Principle of operation The video control board see the block diagram is based on an LSI graphics display processor GDP D4 which accepts commands from the CPU via the system bus and converts them to operations on a bit image in the video RAM memory The video RAM is then continuously scanned by addressing logic and a video shift register to produce a 24 MHz dot stream that forms the screen im
118. e Usually the value is between 5000 and 9000 Cancels common error which is caused by pressure from the pressure transducers This is a transducer s own constant The common offset should be between 230 and 230 Not used Not used Not used Humidity of inspired gas in unit Temperature of inspired gas in degrees centigrade Can operate zero valves manually When Valves is in ON position check the following items a that the Pres Awp value is between 0 1 and 40 1 and it can be adjusted by Pres Zero b that the FlowO value 1s between 2046 and 2050 and it can be adjusted by Flow Offset Adj c that the Flow Volt value 1s also between 2046 and 2050 and it can be adjusted by Flow Offset Adj d When the Valves is in ON position those readings should not change even if pumped by calibration pump e Return to the previous stage by pressing the NORMAL SCREEN key NOTE Do not leave the Valves in ON position for more than one hour November Ist 1993 4 ULTIMA SERVICE MANUAL 6 8c 6 3 6 ASX service ASX is automatically zeroed after entering the menu Let the unit warm up 30 minutes before calibrating ASX SOFTKEYS SPECTR ON OFF ON displays the measured spectrum OFF gives faster response on other measurements ZERO amp CAL Measure background and calibrate timeoffset and lambda0 FILTER ON OFF software filtering ON or OFF ON is the normal setting for measurement OFF is us
119. e 5 2 for alternatives Damping chamber 57150 Absorber 890641 T piece 733821 L piece 733811 Front pone a Adapter piece 73388 Dust filter 86901 CNO metal tube 871925 Small damping chamber 879355 Note Constriction cassettes are selected to adjust proper flow rates NO normaly open NC normaly closed See Table 5 2 for alternatives common January 15th 1997 6 ULTIMA TM SERVICE MANUAL 5 5 Figure 5 2 2 Gas sampling system layout with i parameter Table 5 1 2 Tube lengths with i parameter Tube No Length mm Special sample tube 733383 Special sample tube 733382 1 2 0 3 mm PTFE 73332 1 2 0 3 mm PTFE 73332 Sample out 1 7 1 05 mm Silicone 73313 1 7 1 05 mm Silicone 73373 Rear panel 1 7 1 05 mm Silicone 73373 3 o 7 20 17 1 05 mm Silicone 73373 Pump 1 7 1 05 mm Silicone 73373 Measuring unit ACX 1 7 1 05 mm Silicone 73373 E 1 7 1 05 mm Silicone 73373 25 1 7 1 05 mm Silicone 73373 1 7 1 05 mm Silicone 73373 1 7 1 05 mm Silicone 73313 1 7 1 05 mm Silicone 73373 1 7 1 05 mm Silicone 73373 1 7 1 05 mm Silicone 73373 N d Measuring board 141 25 i 50 1 4 Va Co Room oir 4 1 22 Dust fiter I2 26 17 50 1 8 o 1 2 Oe o oe x m
120. e for the transducer to malfunction or for the connecting tubing to be disconnected and the digital display read 21 96 0 Before use allow two minutes for warm up and note any error messages or deviations from normal operation January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 2 3 Always switch the monitor off before making any connections with external equipment Avoid ammonia phenol or acetone based cleaners for they may damage the monitor s surface Electrostatic discharge through the pc boards may damage the components of the monitor Handle all pc boards by their non conductive edges and use anti static containers when transporting them Before replacing and repairing pc boards wear a static control wrist strap to discharge any accumulated static charge Do not disassemble the ACX measuring unit The unit is repaired and adjusted at the factory When removing or inserting any part into the monitor be careful not to kink or damage the gas sample tubes Leakages in the gas sampling system affect accuracy of measurement and are difficult to detect When servicing the sampling system make sure not to leave any tubes touching the sampling pump Abrasion may damage the tubes Do not apply tension to the power cord Do not autoclave the monitor nor probes Do not gas sterilize the monitor Equipment classification Classification according to IEC 601 1 CLASS 1 equipment according to the type of protection aga
121. e hazardous waste Discard them according to local regulations January 15th 1997 6 CAPNOMAC ULTIMA TM SERVICE MANUAL 5 28 19 ALI XTAL2 9 Rst vPD SERIAL 1 0 2 SERIAL 1 0 3 PARALLEL 1 0 8 8 8 SYSTEM BUS ANALOG QUT 08 010 53 Cot C Cet Ci Ci C C OS A v d 29 V VOTO 651 555 m xic 2 32 5 E 1 JUJ V 29 DRY Sata 655 MET A17 19 48 08 8 2 ow oc 85 a 74 lt gt gt lt gt gt gt gt gt Y Figure 5 14 CPU board block diagram and schematic diagram part 1 CPU BOARD 1 3 2 0 LOM Ee 38 882707 gee January 15th 1997 6 ULTIMA TM SERVICE MANUAL 5 29 15 15V css n A3 144 eau Figure 5 15 CPU board parts layout and schematic diagram part 2 0 __ __ 13 DP L1 32 ADC6 185 3 1 5 5 cup ai 55 Er IM 7 631 R3 R4 5 9 186N _ C24 1 15 D 26 4 ASD 1 1 ic R7 pot vul ee coe t 15 MUX 2 159 TH ES 2 15 1
122. e peak of each gas both measure and reference is applied to an instrumentation amplifier A24B then to the input of a multiplexer D23 D23 separates the signal to each of its components CO reference and measuring N O reference and measuring and reference and measuring For the offset voltage is subtracted from the reference signal at AI3B For AA the offset voltage is subtracted from the reference signal at A12B Each gas signal the temperature compensation signal and the pressure signal are transmitted to D13 which serves as a demultiplexer whose output is applied to an A D converter D14 through an instrumentation amplifier A D conversion A D conversion is made with a 12 bit A D converter D14 Input signal is multiplexed with DIO and D13 After conversion is completed signal ADCRDY rises to 5 V January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 16 D A conversion D A conversion is made with a 12 bit D A converter DII D12 multiplexes the analog output to 8 sample and hold circuits Two of these are used to drive offset voltages for 0 and measurement The others are used for external analog outputs N OOUT VOLC O OUT etc Timing of 0 and signals A timing pulse is produced when light is reflected to a phototransistor from a reflectorized surface on the filter wheel The pulse produced is shaped by A28 on the preamplifier board and transmitted to po
123. e the D FEND water trap if necessary NOTE Let the monitor warm up for 30 minutes before measuring flow rates For the flow rate measurements a flowmeter with a low flow resistance and capability to measure low flow rates is required When making measurements a normal length of sampling line has to be connected to the monitor as 1t has a considerable effect on the flow The flow rates are adjusted by changing the flow resistance cassettes constriction cassettes in the sampling system See Table 5 2 for the alternative cassettes The adjustments and the respective constrictions to be adjusted are shown in Figure 7 1 FLOW RATE If any flow rates are not correct first replace the D FEND water trap Then recheck the incorrect flows before adjusting the flow rates Total flow rate is measured by rotameter at the sampling line The rate should be between 180 and 220 ml min The flow rate is adjusted by changing the constriction cassette which is located behind the pump No 22 Rate of the side flow is checked by blocking the side flow after the water trap and measuring the flow rate as above The rate should decrease by 10 to 26 ml min January 15th 1997 6 ULTIMA SERVICE MANUAL 1 3 Measurement flow and reference flow of the oxygen measuring unit are checked as follows a Connect rotameter behind the constriction cassette No 24 ahead of the oxygen measuring unit REF inlet The rotameter sho
124. eal time airway pressure and flow waveforms are displayed on the screen as shown in Figure 4 5 FLOW PEAK FLOW 1 1 1 i PRESSURE i i 1 1 i V i TIME insp exp 1 Figure 4 5 Example of Flow and Pressure Waveform Ppeak Maximum pressure Pplat plateau pressure PEEP positive end expiratory pressure V1 0 V0 5 in Pedi mode During inspiration is an active phase done by a ventilator while expiration is passive caused by the elasticity of the chest wall diaphragm and the lungs Thus the expired volume during first second may change due to bronchial obstructions caused by lung diseases or mechanical obstacles January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL Compliance 4 20 Compliance is the elasticity of the lungs and the chest wall It is the subtotal of several parameters such as tidal volume plateau pressure and PEEP Expired tidal volume Compliance End inspiratory pressure PEEP The lower the compliance value is the more stiff the lungs are Normal value for adults are 30 to 100 ml cmH O Compliance is shown on the display in three different ways 1 Actual digital value on the screen 2 In trend form 3 Angle of pressure volume loop VOLUME 800 PLATEAU PEAK PRESSURE 400 PEAK 25 YA at Ies PRESSURE 5l VENTILATION
125. easure the arterial saturation accurately Pulse Oximeters use the component of light absorption giving variations synchronous with heart beat as primary information on the arterial saturation In fact this invention was most essential for Pulse Oximetry and eventually made feasible the measurement of oxygen saturation noninvasively A general limitation of the above pulse oximetry principle is that due to only two wavelengths used only two hemoglobin species can be discriminated by the measurement The modern Pulse Oximeters are empirically calibrated either against fractional saturation SaO frac SaO frac HbO HbO Hb Dyshemoglobin or against functional saturation SaQ January 15th 1997 6 ULTIMA SERVICE MANUAL 4 11 4 0 HbOJ HbO Hb which is more insensitive to changes of carboxyhemoglobin and methemoglobin concentrations in blood The oxygen saturation percentage SpO measured by Datex Engstrom Monitor is calibrated against the functional saturation The advantage of this method is that the accuracy of SpO measurement relative to SaO can be maintained even at rather high concentrations of carboxyhemoglobin in blood Independent of the calibration method Pulse Oximetry is not able to correctly measure oxygen content of the arterial blood at elevated carboxyhemoglobin or methemoglobin levels which clinically may be harmful for patient Plethysmographic pulse wave T
126. ed only for noise measurement SELECT SQERR selects the agent FREON HAL ENF ISO DES SEV The squared error of the selected gas is calculated against the corresponding reference spectrum and displayed November 15 1993 4 CAPNOMAC ULTIMA SERVICE MANUAL PARAMETER Conc Total conc 96 Proportions rel ASX 200 only Alcohol Noise Peak norm and Peak mirr Temp MOTOR Fluct MOTOR DAC MOTOR Lap time SQerror 6 8d EXPLANATION LIMITS Gives the identified gas or mixture HAL ENF ISO DES SE V CAL GAS MIX Concentration measured by ASX NOTE For Datex calibration gas the value 15 the concentration of cal gas The relative proportions of each agent in total concentration Measured alcohol concentration SD noise NOTE Interpret the value only when no gas is fed FILTER is OFF and after a minimum of one minute stabilization time Give the place of the peak of spectrum in channel numbers Automatic gain control Range 0 to 4095 Check lamp when 4095 is displayed The temperature inside ASX bench Motor speed fluctuation Motor speed control voltage 0 to 4095 Should be 30000 Squared error Cal gas gt 70 other agents gt 85 for a pure agent 100 to 3500 200 100 to 3900 R23 lt 400 AS X 100 only November Ist 1993 4 ULTIMA SERVICE MANUAL 6 8e CALIBRATION VALUES FACT column shows the initial factory calibr
127. equency adjustment One turn of trimmer F will change the frequency by 1 5 Hz Try to find minimum noise but do not deviate more than 5 Hz VIBRATION INSULATION Figure 7 2 measuring unit adjustments January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 7 8 7 4 CPU board adjustment NOTE This adjustment is valid only for CPU board p n 878822 rev 00 to 05 High speed CPU board p n 883450 rev 06 and up does not need any adjustment There is one adjustable capacitor on the CPU board for real time clock oscillator frequency It 15 factory adjusted but may need to be readjusted if some components are replaced R eal time clock oscillator frequency The real time clock oscillator frequency is set by connecting a counter to pin 15 of D16 and adjusting C49 to read 256 00 Hz corresponding to a cycle time of 3906 25 us January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 7 5 Video Display Unit Philips Adjustments 7 9 The following adjustments can be done in the Philips CRT display board rev 07 adaptation 27 only Basic brightness adjustment Horizontal width Vertical height Horizontal positioning Horizontal linearity Focus MM ISI AS cie n i i Trimmer potentiometer P4 Trimming inductance L1 Trimmer potentiometer P2 Trimmer potentiometer Pl Trimming magnet L2 Trimmer potentiometer P3 1 2 7 5 ANN dd
128. er Default 6 Carriage return CR 7 Line feed LF 8 Graphic Print Dir Bidirectional 9 LF Graphic Pitch mode Normal 10 Protocol RDY BUSY 11 Parity None 12 Data length bits 13 Baud Rate Stop bits 1200 1 CCP 104 The CCP 104 is an HP ThinkJet graphics printer Earlier printers 104 00 see the type plate on the bottom of the unit require an isolated connecting cable P N 873152 to satisfy medical electronics safety requirements Newer printers CCP 104 xx 01 are IEC 601 1 class II devices and do not require an isolated cable The non isolated connecting cable is P N 875370 Due to changes in printer cable connector design the isolated cable P N 873152 can not be connected to the new printers For troubleshooting the printer please refer to the HP ThinkJet service manual For troubleshooting the isolated connecting cable please refer to the schematics and layout of the isolation box in Figures and 2 PBJ 124 The PBJ 124 Graphics Printer is a Canon BJ 30 printer to be used with the DATEX ENGSTROM monitors Note that the printer has a Parallel Centronics interface and requires Printer Cable CC SPC for connecting to the serial port of the monitors When using PBJ 124 the printer selection in User Configuration menu must be The selection is available in main softwares of level 4 0 and up For the Printer Setup see Ultima Operator s Manual January 15th
129. er board parts layout board modification level 4 and lower FLATCRBLE vi r VIDEO 77724 5 b P N CPU BOARD UL 875980 4 BOARD PVX MEAS BOARD March 156 1993 3 ee cp X7 OCCLUSION VALVE 4 15VDIRTY BUS 1 15VDIRTY 9 A1 15V 15 BS DEE 16 1 PC4 0661 A leo lo X5 4 qM Tet 45 11 GAS ZERO VALVE bez ia 1 s45 DIRTY 15 2 PC6 ZERO LR CALL PA7 1 65 TAKIE sv 1 TET V i QaBVDIRTY GNDDIRTY ier Hi 220N 5 220N a0m83 POWER i X VIDEO CPU X2 X VIDEO CPU 2 N 1 15 15 e 1 7 1 OM 1b 15 5 292 ALR zh i m 3e 3b 3b PAG 9 49 DA 4 4b 4b 5 C TSVDIRIY 55 Y sb a RISS 1 DAC FLO Bo 6b Yt 6b SERO H 1 X9 02 UNIT 7 7a 7b T 7b RTS 8 Bb T 1 15 DIRTY 90 ADCS 02 99 9b gb 55 P EAS 10a 041 0 18b 1 1 110 11b 11b 12 128 12b 12b T WC 13 13a 13b 13b x17 159 145 14 14b 14b 7 00392 15a 159 15 15 x5 164 L 16b 5 16b x 17 170 176 17b OPO RISA 17 FEE S HU HETRIS im LI 20a 14 244 20b 20b 8 21a 219 21b MES 21b 21 X14 220 224 22b 22b 21 F 234 ROUT 23a 23b 23b
130. er is based on DAC D5 Digital to Analog Converter The signal is fed to the reference input of D5 The 8 bit digital control word is transferred over the patient isolation barrier in serial mode PA2 and is converted into parallel mode by a shift register D4 The signal level at 14 A3 is adjusted to 3 to 8 V by the CPU The amplified signal pulses are separated to red and infrared channels by sample and hold circuitry S H Voltages VR and VIR are proportional to the total intensity of the light detected at the respective wavelength and VIR are the amplified alternating components plethysmographic pulses The signals are multiplexed into two channels by a 2 x 4 MUX A5 Also 5 V and GND are connected to MUX input The value of the resistor R in the probe connector can be read through the red channel if needed The two output channels of MUX 5 are transferred across the patient isolation by two identical pulse width modulator optoisolator demodulator chains The frequency of the pulse width modulator is about 20 kHz The demodulated signal is inverted in comparison with the MUX output signal arch 1st 1993 3 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5 22 p TIMING CIRCUIT 129 2 12V 12Y Y143 647 ZS S H tate 991 2K00 062681 1474 C46 026 9 22N 51 129 SAMPLER C48 2 NE 3 gt 2 9c201 e amp
131. essage ROM CHECKSUM ERROR message LOW PLETH SIGNAL message ARTIFACT message xx ZEROING ERROR message MEMORY CHIP FAILURE message NOTE Please read Troubleshooting and Displayed Messages in the Operator s Manual first The part of this chart is duplicated from it Table 6 1 General troubleshooting chart POSSIBLE CAUSE REMEDY Power cord disconnected or not connected properly Fuse blown If they get blown repeatedly go on to the electronics troubleshooting The primary secondary or video fuse possibly blown The CPU board or the power supply board faulty If the keyboard response beep is heard probably the video control board or CRT unit is faulty sampling line or water trap blocked or loose or improperly attached Water trap container full If the trouble persists go on to the following troubleshooting sections Check CPU board RAM read write problem This message possibly appears in start up Go on to the following electronics troubleshooting sections Check CPU board EPROM read error This message possibly appears in start up Go on to the following electronics troubleshooting sections The signal quality is poor and the measurement may be inaccurate Probably no equipment malfunction Often occurs in patients with low perfusion There is a very strong occasional AC component in the measured pleth signal Probably because of patient movement or vibration Gas zeroing failed Conde
132. female SSS connectors paediatric option make sure that the date marking on the D lite 1s 10 94 or newer If the system leaks heavily no pressure will be generated If there 1s a small leak the connections the monitor will measure a pressure difference which is then interpreted as flow and seen on the monitor screen The pressure waveform decreases slowly and the flow waveform either goes above or below the zero line depending on which of the connectors leaks In case of leakage check all connections and try again Remove the blockage from the sampling line port and connect the sampling line Breath through the wider side of the D lite Check that the flow waveform moves downwards when you breath in and upwards when you breath out If the flow waveform moves in opposite manner check the order of the PVX tubes inside the monitor If possible check the Side Stream Spirometry measurement also with the Spirometry Tester order code 884202 Follow the instructions that are supplied with the tester January 15th 1997 6 ULTIMA SERVICE MANUAL 8 12 For monitors that contain the SpO measurement For all monitors 39 40 41 42 43 44 45 46 47 48 49 50 Select the on some waveform field in Setup screen menu Check that the message probe is shown when no SpO sensor is connected to the monitor Connect a SpO finger probe to the m
133. form a final electrical safety check and current leakage test The manufacturer accepts no responsibility for any modifications made to the monitor outside the factory CAUTIONS A CAUTION indicates a condition that may lead to equipment damage or malfunction The tests and repairs described in this manual should only be done by trained personnel with proper tools and test equipment Unauthorized service may void the monitor warranty Check the rear panel voltage setting before connecting the monitor to AC mains power outlet When the monitor is in use leave space for ventilation to minimize heat accumulation inside the monitor Connect sample gas outlet on the monitor s rear panel to scavenging system to prevent room air pollution Diameter of scavenging system tubing must be 2 to 3 times larger than that of sample out tubing to avoid changing the operating pressure of the monitor and consequent inaccurate readings or internal damage Diameter of calibration gas delivery tube must be 2 to 3 times larger than that of the sampling line to avoid overpressurization and consequent inaccurate calibration or internal damage of the monitor After performing any service always check the oxygen transducer by breathing into the sampling line and observing 0 waveform display After a moment s delay the wave should drop from the room air 21 96 to between 13 and 17 05 The oxygen transducer uses room air as reference gas It is possibl
134. ge the ASX unit Write to EEPROM not succeeded If the message appears repeatedly change the ASX unit EPROM contents are false Change the component Auxiliary RAM failed Change the component January 15th 1997 6 MONITOR DOES NOT RECOGNIZE ASX 5 MOTOR CHECK MOTOR SUPPLY gt RUNNING VOLTAGE AND MOTOR IS SYNC PULSE INTERVAL 40 ms AT 4 PIN 1 PROCESSOR NOT RUNNING CHECK SUPPLY VOLTAGES FAULT IN SERIAL COMMUNICATION CHECK ICs 05 012 AND 01 IS PIN 11 OF D2 ON POWER SUPPLY BOARD CUT OFF IF MOTHER BOARD 10 CODE LEVEL IS 3 OR LOWER IS SHORTING PIN X17 REMOVED FROM MOTHER BOARD IF THE BOARD S ID CODE LEVEL IS 4 OR HIGHER CHECK CPU BOARD ICs 015 012 AND CAPNOMAC ULTIMA SERVICE MANUAL 6 24 6 4 13 Cleaning the measuring chamber of ACX measuring unit In case the 0 zero calibration constant in Gas Service ULT or 0 calib zero in ACX Service AM indicates contamination of the measuring chamber value 61000 or more or if the software will stuck to the calibrating gas sensor state due to contamination it is possible to attempt the measuring chamber cleaning However we recommend exchanging the measuring unit rather than cleaning The measuring chamber should first try to be cleaned by rinsing it with distilled water only If rinsing alone is not sufficient the cleaning can be tried with DATEX ENGSTROM Cleaning Fluid 85969 NOTE
135. ger of explosion if the battery 1s incorrectly replaced Replace only with same or equivalent type recommended by Datex Discard used batteries according to manufacturer s instruction May 2nd 1991 1 DATEX ULTIMA SERVICE MANUAL 5 28 o gt F 4 on ste 5 gt 5 o 5 2 E amp Jo je 2 X o 3 m3 h tH eprom P conver ter D A 2 2 gt CPU 8051FA gt lt 5 gt gt a 5 2 2 a g zi e x gt ANALOG IN Figure 5 14 CPU board block diagram and schematic diagram part 1 board modification level 8 and higher March 1st 1993 3 ic oh ee ee cS 9 012 ADDR 1 02 2 A13 1 UT ES Oe 13 453 Views wm L i vers v 1 R1 11 59 1 412 6 V 2 03 3 5 S67 i C18 RxD F 74 367 115 P3 0 2 122 A9 9972 gt BS AT 058 P 3 3 2324 3111 17 RTS 5 4 P3 4 24 25 12 ERE 74HC367 P5 n gt 3 1 15 7 jos nh 7990387 Ple 4K7 Pi pe 1138 01 1 41 p1 2 pe 2 57027 71 602 C3 5v 1 5 56 034 M ps 1 16 m A 4 fo Oe ST TT UA 1 5 28 5 54 05 4
136. he multiplexer A9 through voltage follower A7 After the transducer Bl the FLOW signal is sent to differential amplifier A5 and A4 whose gain is 27 and which contains low pass filter where signals over 30 Hz are suppressed After the filter the signal is fed to another amplifier A3 whose gain is 11 and who contains a low pass filter which suppresses signals over 48 Hz From this point the signal FLOWO goes two different ways one goes straight to the multiplexer A9 FLOWO Another goes yet to the third amplifier A3 whose gain is 11 and which contains a low pass filter of 72 Hz This sensitive signal FLOWI 15 also sent to the multiplexer A9 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 54 Temperature compensation Temperature is measured by Bl The signal TEMP is sent to the multiplexer A9 via A7 This signal is used only for temperature compensation of the pressure transducer Bl on the PVX board Data processing After the multiplexer A9 the signals PRESS FLOWO FLOWI and TEMP are A D converted in A2 for data processing Signal output D A converter Al converts digital data to analog form The one half of the multiplexer A9 multiplexes the analog output to PRESS FLOW and VOL signals after the voltage follower A8 Transducer offset control One signal DAC3 from the multiplexer A9 is used by software to control offset voltage of the pressure transducer External communication Communication betwee
137. he sampling pump and repeat items 16 18 Check that the difference between Ambient press and PRE is within 50 75 Open the Press valve 2 and check that the PRE value drops by 5 or more If the value drops less than 5 check the D fend and readjust the flows if necessary Perform the Fall time measurement 4 in the Gas Service Check that the measured fall times are within the ranges that are given in the Service Manual Feed calibration gas order code 755582 and measure the O sensor output voltage on the mother board connector X13 pin 5 The output voltage should rise at least up to 2 8 V 3 5 V nominal Adjust the sensor output if necessary January 15th 1997 6 ULTIMA SERVICE MANUAL 8 10 23 24 25 26 27 Enter the monitoring mode by pushing the Normal screen button twice and then button 4 Monitoring Skip to item 25 if the Nafion tube was replaced in item 3 Perform the Steam test If the test is not passed replace the Nafion tube Note The Nafion tube is recommended to be replaced once a year Block the tip of the sampling line by your finger and check that the message Occlusion appears onto the screen Detach the D fend and check that the message leak appears onto the screen Reattach the D fend Perform the gas calibration Note The final gas calibration is not recommended to be performed before 30 minutes warm up time For monit
138. he plethysmographic waveform is derived from the IR signal and reflects the blood pulsation at the measuring site Thus the amplitude of the waveform represents the perfusion Pulse rate The pulse rate calculation is done by peak detection of the plethysmographic pulse wave The signals are filtered to reduce noise and checked to separate artifacts E 2 in m 2 E 0 f lt 107 8xcm2 EQUIV WAVELENGTH micron Figure 4 2 Absorption coefficients of oxy and deoxy hemoglobin in the red and near infrared regions January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 12 4 5 General block diagram The monitor consists of the following modular parts see page 3 1 for the parts included in the monitor you are using The gas sampling system for CO N 0 O Anaesthetic agent measurement ACX measuring unit ASX agent identification unit OM 101 oxygen measuring unit Measuring electronics PVX board for measuring airway volume and pressure Main CPU board including analog signal multiplexer A D converter and real time clock Video control board to convert the CPU commands into video signal Video display module Transformer and power supply board to generate necessary voltages and I O functions Mother board including signal buses and analog input signal buffers Tactile membrane keyboard Loudspeaker unit Probe and SpO pulse oximeter measuring board See Figure 4 3 for
139. hen probe is attached and pox dac gain is high enough 0 V without probe Red channel amplified alternating component It has a waveform similar to the pleth waveform Red channel 5 V Red channel ground Same as GNDr with probe Same as SVr without probe Infrared channel voltage About 10 V when probe 15 attached and pox dac gain is high enough 0 V without probe Infrared channel amplified alternating component It has a waveform similar to the pleth waveform Infrared channel 5 V Infrared channel ground Repeat pressing the 1 key to have the desired voltage at pin 22 of the rear panel serial analog I O connector The intensity is changed by pressing the key 3 The state of the SpO measuring board D A converter data lines in binary format The data line is changed by pressing the key 4 Return to the previous stage by pressing the NORMAL SCREEN key January 15th 1997 6 6 3 3 CAPNOMAC ULTIMA SERVICE MANUAL 6 7 Error list 1 ERROR LIST The last twenty errors are listed with the time and date of the occurrences See the following table for possible messages their causes and further measures CO zero error 2 O zero error 3 N5O zero error 4 AA Zero error Items 1 to 4 Ultima does not manage to zero ACX If the message appears occasionally even once a day it s OK When the zeroing fails Ultima uses the previous zero value as the new value Even a small noise in the ACX bench may cause
140. hite ULT V xx 01 white ULT i xx 00 white ULT Si xx 00 white ULT Vi xx 00 white ULT SVi xx 0 white Fifth stage winter 1992 3 ULT x xx 04 white Sixth stage spring 1993 ULT x 27 05 white Seventh stage winter 1993 4 ULT x xx 06 English 875345 875345 875345 875345 875345 878041 875345 878041 879016 879016 879016 879016 879016 879016 879016 2 1 879016 2 1 879016 2 1 879016 2 1 879016 2 1 879016 2 1 879016 2 1 882312 1 0 French 877340 879245 879245 879245 1 1 882314 1 0 No software changes 882916 1 0 882918 1 0 9 5 German 877412 877412 m w 877412 879244 870244 879244 1 0 879244 1 0 m m 879244 1 0 879244 1 0 879244 1 0 879244 1 0 879244 1 0 882313 1 0 882917 1 0 January 15th 1997 6 ULTIMA SERVICE MANUAL Eighth stage summer 1994 ULT x 23 28 31 06 ULT x 27 07 ULT i Si Vi SVi 29 06 ULT x 33 06 ULT x 43 07 Ninth stage autumn 1995 ULT x 22 28 31 07 ULT x 27 08 ULT x 43 08 ULT x 33 07 ULT i Si SVi 29 07 English 882916 3 0 882916 2 0 English 882916 3 1 882916 3 1 Tenth stage summer 1996 ULT x 22 28 31 08 ULT x 27 09 ULT x 43 09 ULT x 33 08 ULT i Si SVi 29 08 ULT x 40 08 ULT 1A 27 09 English 882916 4 0 882916 4 0 889859 4 0 French 884234 2 0 French 884203 3 1 French 9 6 German Spanish
141. hows the pressure of the reference flow Subtract the value gained step 2 from the value gained in step 1 and you will have the pressure difference between the O measurement flow and the O reference flow The pressure difference should be between 5 to 10 mmHg factory adjusted If the pressure difference is too large decrease the measurement flow rate by changing the cassette no 21 When the pressure difference becomes negative that is the pressure in the reference flow gets higher than that of the measurement flow and reaches 5 mmHg then during normal monitoring the message TRAP appears and the audible alarm sounds to indicate that the water trap should be replaced January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 7 6 7 3 Oxygen measurement adjustments The only field service procedures for the O measuring unit are the offset zero gain and frequency adjustments In case of any other trouble the measuring unit should be replaced and the faulty one sent to DATEX ENGSTROM for repair 7 3 1 O ffset zero adjustment Because the oxygen measuring unit is a differential sensor which actually measures the difference between the O concentrations in the sample and reference gases its output must be adjusted to equal zero when atmospheric air is present at both inputs a Use the service menu or connect a digital voltmeter to the output of the measuring unit at pin 5 of connector
142. ia the LAMP ON signal which cuts the lamp power in case of a stalled optical chopper wheel or a missing timing signal The gas sampling pump is driven by a 50 Hz 15 V 0 4 A square wave signal generated by the CPU In addition to the power supply functions the board contains drivers for two serial channels including the modem control signals CTS and RTS a RESET control which generates a 200 ms reset pulse to the CPU if the 5 V line goes below 4 75 V and miscellaneous I O functions like a buzzer driver Some signals from the mother board are passed directly to the rear panel connectors January 15th 1997 6 5 36 CAPNOMAC ULTIMA SERVICE MANUAL 0 1 Joss Suonosuuo JDUJ49 X A jddng O 1042 yun 182 213 pubiS 0007 41 5 1241610 Aiddns DUJ91Xj SUONOBUUOD DUJ91Xj Suonosuuo A S 21 A SL 20 61 20 92 1129 1959 9v AlddNS 92 1 i i 53 1 02177001 303 AINO 3SN4 JNO 53573 S NIVN Figure 5 20 Power supply board block diagram and transformer 4944401540411 diagram January 15th
143. ideo control board can not be installed into rev 05 up monitors NOTE The parts have some effect on the EMC They are compatible with the earlier revision monitors but the older revision parts may not be used in CE marked monitors NOTE The video control board 885480 is compatible with all the different monitor revisions January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 9 2 Power related parts Power cord 27 28 31 86236 Power cord 21 23 Power cord receptacle block 07 and below rev 08 and below 27 ower cord receptacle block rev 08 and up rev 09 and up 27 witch cable Switch cable 228 08 and below Rev 09 and up Switch cable 27 Fuse holder 07 and below rev 08 and below 27 use holder rev 08 and up rev 09 and up 27 Mains fuse 2 5 A 250 V slow UL CSA 27 28 Mains fuse 2 5 250 42522 31 Fuse 4 slow miniature for 876831 Fuse 3 15 A slow for 87 20 Mains transformer 220 240 V 23 33 43 Mains transformer 100 V 31 Mains transformer 115 V 27 28 29 Transformer case 27 05 0 Transformer case 27 07 and 08 Transformer case rev 08 and up rev 09 and up 27 888597 ALR He WwbhpA CAA NEN Gas measurement related parts Sampling pump 870678 Internal sample tubing complete without i parameter 2 877028 nternal sample tubing complete with i parameter 880263 Constriction cassettes see Table 5
144. in upright position on the left side of the picture tube g Power supply board is attached to the rear plate with five screws h ACX photometer which holds preamplifier board transformer power cord receptacle block loudspeaker fan and dust filter flow constriction cassette fuse housing s and sample gas out connector are all attached to the rear panel with screws January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 3 The rear panel can be tilted back by first detaching the switch cable from the power cord receptacle block and removing the two screws beside the fan which are keeping the rear panel in the upright position and sliding the panel in sideways i The main pc board for the picture tube is attached to the bottom plate with bushings Two magnetic valves damping chamber and the intermediary bottom plate assembly are screwed to the bottom plate The picture tube unit is screwed to the front plate Most parts can be removed by loosening the appropriate screws j Reassembling is essentially reversing what was described above CAUTION When attaching the top cover make sure that the tubes and cables are not pinched between the boards and the cover January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 4 6 3 Service menu In Service menu you can perform simple checks to troubleshoot the monitor Enter the Service menu by pressing down any key except the soft key 4 during selftest and the
145. ing bar is now shown at the left corner of Pleth waveform field Display field of SpO value digits can be moved from the lower right side factory default to the lower left side in Start up menu EtCO value digits can be enlarged as big as SpO digits in Start up menu Factory default is the normal small size A 1 2 96 scale is added for the anaesthetic agents display January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 8 Anaesthetic agent concentration is now displayed with two decimals when the concentration is below 1 96 Count down display for the silence alarm suspend and apnea have been added Audible alarm for apnea can now be silenced in Start up menu except in French version Audible alarms for O and anaesthetic agent are now activated only when breathing is detected Cautionary high and low alarms for anaesthetic agent have been added The adjustment be made between 0 1 and 15 User preset alarm limits for anaesthetic agents are now adjusted in MAC values which will then automatically be applied in corresponding percentages when an anaesthetic agent is selected Number of beeps in different alarm situation has been modified Shadow traces is now displayed when the user goes to any of the menus and returns to the normal display so that the user will not lose waveform information during the menu period These shadow traces are available for and anaesthetic agent slow sweep speed
146. inst electrical shock TYPE BF equipment according to the degree of protection against electrical shock ORDINARY equipment according to the degree of protection against harmful ingress of water Equipment not suitable for use in the presence of FLAMMABLE ANAESTHETIC MIXTURE with air or with OXYGEN NITROUS OXIDE CONTINUOUS OPERATION according to the mode of operation January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 1 3 INTRODUCTION AND APPLICABILITY OF THIS MANUAL 3 1 Introduction and applicability of this manual This service manual Doc No 878131 and the Panasonic CRT Data Display Model M K9IOINB service manual available from DATEX ENGSTROM Division order code 572760 provide information 1 required to maintain and repair the CAPNOMAC ULTIMA ULT 1 ULT S ULT V ULT SV ULT i ULT Si ULT Vi ULT SVi model monitors This manual is applicable for the current production revision of the monitors Differences between monitor revisions are summarized in Section 3 2 and the technical details of earlier revisions given in Chapter 11 Section 3 3 lists the technical hardware changes made to the monitor and Section 3 4 the software changes The revision of a monitor is changed when technical changes are made to the monitor resulting in new spare parts that are incompatible with earlier units The last two digits of the monitor type designation denote the revision of the monitor e g ULT I 23 00 1s a revision 0
147. l CHECK MULTIPLEXER AQ CHECK AMPLIFIERS 7 AND 8 IS MULTI PLEXER A3 IN CPU BOARD RECENING SIGNALS IS PVX BOARD INSTALLED CORRECTLY ON THE MOTHER BOARD IS MOTHER BOARD FAULTY CHECK CPU BOARD CAL ERROR IS PVX TUBING INSTALLED PROPERLY INSTALL THE TUBES PROPERLY IS D LITE ADAPTER GOOD He CHANGE THE D LITE ADAPTER IS FULL VOLUME PUMPED BY CALIBRATION CALIBRATE AGAIN BY PUMPING FULL VOLUME PUMP VERY SLOWLY TRY CALIBRATION AGAIN PUMP VERY SLOWLY 1 1661 Avy jey 5 5 Surdures sey C02 ABSORBER FLOW ADJUSTING CASSETTE 02 MEASURING FLOW MEASURING POINT Pressure Pressure CO2 ABSORBER FLOW Transducer Valve 02 MEASURING FLOW TOTAL FLOW RAT MEASURING POINT ADJUSTING CASSETTE ADJUSTING CASSETIE c02 Absorber Room 21 Air 20 Zero Valve OT Somple Moin ACX Gas OU Gas IN Measuring Unit Woter Y 1 7 imis omber Chamber TOTAL amp SIDE FLOW RATES MEASURING POINT Side REF IN Fil Flow ilter Room Arr Constriction Aa BER COR Cassette 25 MEASURING POINT BLOCK THIS POINT TO MEASURE SIDE FLOW RATE 005 Flow SIDE FLOW RATE 02 REF FLOW ADJUSTING CASSETTE ADJUSTING CASSETTE 6 DVWONdVD DATEX ULTIMA SERVICE MANUAL 9 6 March Ist 1993 3 CAPNOMAC ULTIMA
148. l board XI Mother board 5 43 54 GPU board XI Mother board 5 44 5 5 ACX measuring board Xl Mother board X3 5 45 5 6 Powersupply board X10 Mother 5 5 46 5 5 measuring board X2 Mother board X10 sen 5 47 5 8 Keyboard XI Mother board 2 5 47 5 9 measuring unit Mother board X9 5 48 5 10 Gas zero valve Mother board etdese secte Deve eu 5 48 5 11 Power supply board Mother board 6 5 48 5 12 Pressure valve Mother board 7 5 49 5 13 Mother board test connector X 5 49 5 14 Video control board X2 Video unit main pc board 13 5 49 5 15 ACX measuring board X2 Preamplifier board 5 50 5 16 Front panel SpO connector SpO measuring board 5 50 5 17 Powersupply board XI Line 5 51 5 18 Power supply board X2 petisse 5 51 January 15th 1997 6 5 19 5 20 521 5 22 5 24 5 23 6 1 6 2 6 3 6 4 12 1 Status Code Interpretation CAPNOMAC ULTIMA SERVICE MANUAL Power supply board
149. mber the light passes through a rotating quarter wavelength interference filter This filter has a bandwidth of approximately 17 nM The filter is rotated in such a manner that the angle that the light approaches it changes As the angle changes the wavelength of the IR light that is allowed to pass through the filter changes 30 samples of the signal are taken of the signal during the first 90 degrees rotation The process is repeated during the second 90 degrees of rotation so that a mirror image is created This provides a confirmation of the measurement before identification is made by the software Timing used for control of the sampling process is initiated with a sync pulse that is produced once per revolution of the filter When the ACX 200 15 zeroed the ASX bench measures the background spectrum room air During normal measurement ASX subtracts the background spectrum from the measurement spectrum then identification is made The ASX bench consists of the following major components IR lamp single measurement chamber filter assembly driven by a DC motor a preamp board that includes the photo detector and preamplifier a processor ASX board The ASX assembly is pneumatically installed after the ACX 200 bench and in parallel with the OM oxygen sensor see pages 5 3 and 5 5 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 60 Preamplifier ARS
150. n 300 cmH5O to the flow and volume tubing MONITOR DOES NOT RECOGNIZE PVX BOARD PVX BOARD OSCILLATOR IN D5 BETWEEN PINS 18 AND 19 WORKING2 CHECK CRYSTAL Z1 CHECK SUPPLY VOLTAGES CHECK MICROPROCESSOR D5 CHECK ICs 05 012 AND 01 IS PIN 11 OF D2 ON POWER SUPPLY BOARD CUT OFF IF MOTHER BOARD ID CODE LEVEL IS 3 OR LOWER IS SHORTING PIN X17 REMOVED FROM MOTHER BOARD IF THE BOARD S ID CODE LEVEL IS 4 OR HIGHER IS SERIAL CHANNEL 05 PINS 10 AND 11 ACTIVE SERIAL CHANNEL ON CPU BOARD D15 PINS 21 AND 22 CHECK CPU BOARD ICs 015 012 AND 01 RESTART THE MONITOR ZERO ERROR IS PVX TUBING INSTALLED PROPERLY2 INSTALL THE TUBES PROPERLY ENTER SERVICE MODE CHECK VALVES Y1 AND Y2 CHECK TRANSISTOR V4 PROCESSOR D5 PIN 6 SHOULD BE HIGH 5 V WHEN THE VALVES ARE IN ON POSITION AND LOW WHEN IN OFF POSITION DO ZERO VALVES WORK IS PRES Awp 0 0 0 1 WHEN VALVES ARE ON CHECK PRESSURE TRANSDUCER 82 CHECK AMPLIFIERS A6 AND A7 CHECK MULTIPLEXER A9 IS FLOW ZERO WHEN VALVES ARE ON CHECK PRESSURE TRANSDUCER B1 CHECK 10 Vref CHECK AMPLIFIERS A3 A4 A5 ANC CHECK MULTIPLEXER 9 TRY ZEROING AGAIN September Ist 1992 2 DIGITAL VALUES OF PRESSURE AND VOLUME ARE OK BUT WAVEFORMS ARE MISSING ARE FLOW PRESS AND VOL SIGNALS COMING OUT OF BOARD CHECK D A CONVERTER A
151. n 5 4 to 7 7 V suitable to drive the motor V 20 is an emitter follower which buffers the output of the operational amplifier Temperature measurement Temperature is measured by diode V6 whose threshold voltage changes 6 mV per one degree The signal is amplified by A3d to get suitable level 0 to 5 V for A D converter Diode V7 protects the A D converter input Test point signals Connector X4 on the board is for test purpose Note that pin 1 is TP6 and vice versa X4 1 6 A D reference 4 2 TP5 Motor voltage 3 TP4 signal after AGC 4 TP3 Temperature 5 TP2 Sync pulse 6 TPI Sync test input January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 63 5 14 4 Signal processing As the filter rotates the wavelength allowed through the filter changes The 30 samples are taken at predetermined time intervals after the synchronizing pulse Each time represents a certain angle and these angles correspond to the required wavelengths The time intervals are determined during calibration The samples are then linearized After that the background spectrum is subtracted Background is measured during the zeroing of ACX and ASX In ASX 100 the linearized spectrum is scaled to the same scale as the stored reference spectra of each anaesthetic agent By comparing the measured spectrum to the reference spectra the anaesthetic agent is identified A low squared error value indicates that the measured agent corresponds to that
152. n pressing the soft key 3 The Service menu consists of five services Gas service SpO service Error list Factory reset PVX service and ASX service Enter by pressing the key indicated on the screen 6 3 1 Gas service a Momentary ET and Fi values of each gas are displayed in unit along with working pressure inside the monitor PRE b Pump pressure valve and zero valve are operated manually with the number keys 1 2 3 c Calibration constants of zero and gain for each gas are displayed The constants are according to the ACX measuring chamber The zero constants will change at gas zeroing When the monitor performs gas zeroing the main software will write new zero constants for the gases CO N O AA O to the ACX memory If some dust or water has entered the measuring chamber zeroing of the gases require higher zero constants than before depending on the contamination level If some gas requires higher value than 65536 the unit is not able to perform the zeroing and the message ZERO ERROR appears to the error list and the software recalls the previous zero constant for the concerned gas If this happens at the initial start up the software will not pass the calibrating gas sensor state The zero point is very sensitive for the measuring chamber contamination Therefore the zero constant of 0 can be utilized in observing the contamination level of the ACX measuring chamber The optimum
153. n the PVX board and the CPU board is established in serial form using the serial channel pins 10 and 11 of CPU D5 on the board These channels are buffered by GAL IC D12 Address decoding is also realized by D12 Test point signals 10 VREF TP2 10 VREF B3 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 55 Figure 5 26 board block diagram and schematic diagram part 1 board modification level 2 and higher 4 8 from to CPU Boord amp E 5 5 o o x r1 ux o e oo i EN amp 5 a o gt 2 x i esi c2 TOS 298 7 12 7 3 2 gt lt P o3 P gt 5 SEN LN v N 5 8 2 2 2 E v j 2 o t 9 25 5 gt gt T a 5 o e 2 2 5 2 gt z 4 aes aes to CPU Board 8 852 52 March Ist 199373 XIA 012 17 RESET m 19 21 TxDP V V 16 Tx0P X1A 11 859WHz V 15 RxDP 23 a X18 38 A13 9 12 18 DIR TOL 11 1618 ADDR 2 P3 P3 21 P3 22 P3 23 P3 4 25 P3 26 P5 7 e T C CD MUX 2 GND O
154. n the paramagnetic susceptibility which is a unique property of oxygen among gases generally present in a breathing gas mixture The gas to be measured and the reference gas which usually is room air are conducted into a gap in an electromagnet with a strong magnetic field switched on and off at a frequency of approximately 110 Hz An alternating differential pressure is generated between the sample and reference inputs due to forces acting to the oxygen molecules in a magnetic field gradient The pressure is measured with a sensitive differential transducer rectified with a synchronous detector and amplified to produce a DC voltage proportional to the oxygen partial pressure difference of the two gases CAUTION Due to the complicated and sensitive mechanical construction any service inside the O measuring unit should not be attempted and therefore the detailed description of the circuitry and layout of the transducer is omitted from this manual Differential pressure Sample in transducer 2 Reference Mixture out Electromagnet Figure 5 6 O5 measurement principle January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 14 5 4 measuring board Block diagram and schematic diagram part 1 Figure 5 7 Parts layout and schematic diagram part 2 Figure 5 8 Timing diagram and schematic diagram part 3 Figure 5 9 The measuring electronics can be divided into a few functional blocks which are desc
155. nal waveforms and schematic diagram part 3 Figure 5 12 Schematic diagram part 4 Figure 5 13 The board is intended to perform the following tasks Control the LED light sources of the probe Amplify the signal coming from the detector and separate the red and infrared signal components to respective channels Multiplex in both channels the alternating component of the signal plethysmographic pulse with the signal proportional to the total intensity measured with the respective wavelength Provide isolated output from the multiplexer channels red channel and IR channel to the SpO Processor board Power supply The isolated power supply consists of 32 768 Hz oscillator Half bridge converter with isolation transformer Stabilization and filtering of the output voltages with linear regulators Protection of the overloading with PTC type thermistor Timing LED control The timing pulses are produced by a PAL Programmable Array Logic D3 The input signal for D3 SYNC is taken from the switching power supply as a 32 768 Hz square wave timing signals are synchronized at this switching frequency The timing circuit controls the LED driver circuitry signals LEDR and LEDIR the RC time constants in amplifier chain MEASURE and sampling SAMPLER SAMPLER LEDs in the probe are driven with constant current pulses 90 or 300 mA The pulse duration and duty cycle can be seen in timing January 15th 199
156. ne and desflurane are identified and displayed ASX 200 unit in Ultima models with i parameter Mixture of two agents is identified and inspiratory and expiratory values for both agents are displayed While agent mixture is present both agents ET and Fi values are shown in UOl serial data string Selection ID or SEV DES in user configuration menu is deleted ASX service page changed Total concentration of agent and relative proportions of all agents are displayed Amplitude of spectrum is depending on concentration ASX delay measurement is added in gas service page High alarm limits for anaesthetic agent are changed as follows Halothane Isoflurane 6 Enflurane Sevoflurane 8 Desflurane 20 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 2519 measuring board compatibility with ACX benches P N 874773 x Can be used with ACX 100 bench only P N 875736 x Can be used with ACX 100 bench only P N 878738 x Can be used with ACX 100 bench only P N 880270 x Can be used with ACX 100 and ACX 200 benches January 15th 1997 6 ULTIMA SERVICE MANUAL 3 12 Software P N 882916 1 0 is the revision 06 production English language 882917 1 0 1s the German language and 882918 1 0 is the French language version Those softwares operate only in 16 MHz High Speed CPU board Main differences to the previous level software versions are see the Operator s Manual for more inf
157. nsation or residual gases are affecting zero measurement Allow monitor to run drawing room air for half an hour and calibrate again If does not help go on to the following troubleshooting sections 5 V supply voltage is too low 4 75 V Check 5 V Internal SRAM D4 High Speed CPU board is flat Replace continues January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 11 AIR LEAK message REPLACE TRAP message REBREATHING message OCCLUSION message SELECT AGENT message Bad or missing SpO waveform and reading NO PROBE message PROBE OFF message though probe properly attached to the patient CHECK PROBE message OBSTRUCTION message DISCONNECTION message LEAK message Air leak in sampling system Probably water trap or the sampling line is not attached properly Gas zero valve failure Pump failure or gas outlet blockage If Return Gas Kit 1s used check the bacteria filter Flow resistance increased due to residue build up on water trap membrane Change the water trap CO concentration in inspiratory air is too high Possibly CO absorber in ventilator is saturated Change the absorber sampling line or water trap is occluded Water trap container is full If occlusion persists check internal tubing for blockages No anaesthetic agent is selected though delivery is started Vaporizer valve is broken Traces of cleaning or disinfecting agent in the
158. nstruments while they are being used to monitor a patient Monitor models not including the automatic agent identification cannot distinguish between anaesthetic agents Manufacturer assumes no liability for an incorrect anaesthetic selection When doing any work on the SpO board care has to be taken that the patient isolation is not violated EXPLOSION HAZARD Never use this monitor in the presence of flammable anaesthetics FUSE REPLACEMENT For continued protection against fire hazard replace only with the same type and rating of fuse Do not make any modifications to the patient cables without consulting the manufacturer ELECTRIC SHOCK HAZARDS The CRT display unit contains high voltage circuitry In case of mechanical damage carefully inspect the integrity of the patient isolation circuitry CRT unit high voltage circuitry the power supply transformer and primary wiring Do NOT immerse the monitor or probe in any liquid An SpO probe that is damaged or has been immersed may cause burns during electrosurgery Switch the power off and unplug the power cord before cleaning Or service January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 2 2 Do NOT touch any exposed wiring or conductive surface while the cover is off and the monitor is energized The voltages present when the electric power is connected to the monitor can cause injury or death After doing any repair or calibration procedure to the monitor per
159. ntains several precision resistors The ACX 200 Measuring board can simply be used to replace the ACX 100 Measuring board but not vice versa Unless otherwise noted the description of ACX 100 Measuring bench board is also valid to ACX 200 Measuring bench board ASX 100 identifies halothane isoflurane and enflurane ASX 200 identifies halothane isoflurane enflurane sevoflurane and desflurane If ASX 100 is replaced by ASX 200 or i kit which includes ASX 200 is installed in the monitor ACX must be upgraded to ACX 200 and the main software replaced the i kit includes the main software Please review the Operator s Manual to obtain a clear understanding of the monitor The manufacturer reserves the right to make changes in product specifications at any time and without prior notice The information in this document is believed to be accurate and reliable however the manufacturer assumes no responsibility for its use January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 3 3 2 Summary of revision changes Revision 00 Initial production revision of the monitor Revision 01 except ULT I S 27 00 Main differences to the revision 00 are The color of front panel side and top covers and bottom plate changed to white Revision 02 except ULT I S 27 01 and ULT V xx 00 Main differences to the revision 01 ACX measuring board modified Software CPU board jumper X3 shorting pins 2 and 3 in order to
160. o brightness control Video brightness control Comp video DGND Table 5 21 Power supply board X8 Loudspeaker DAC5 ALARM 26 V power for loudspeaker Table 5 22 Power supply board X9 Pump PUMP ON SIGNAL NC 15 VDIRTY supply voltage for pump January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 53 5 13 PVX board Block diagram and schematic diagram part 1 Figure 5 26 Parts layout and schematic diagram part 2 Figure 5 27 NOTE Pressure transducers Bl B2 and EEPROM D4 are replaced only at the factory NOTE Never apply overpressure or negative pressure of more than 300 cmH O to the flow and volume tubing The board is intended to perform the following tasks Measure the pressures in airways and the speed of breathing flow Calculate tidal volume minute volume compliance and other useful information on a patient lungs Pressure transducers There are two pressure transducers on the PVX board for airway pressure measuring purpose The breathing flow of a patient passing through D LITE creates pressure difference This pressure difference is measured by pressure transducer Bl Overpressure and negative pressure in airways are measured by another pressure transducer B2 Signal amplification After the transducer B2 the PRESS signal is sent to differential amplifier A6 whose gain is 375 which contains low pass filter suppressing signals over 31 Hz Then the signal is sent to t
161. olume Loudspeaker pitch January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 27 Ports on the PPI is used for as follows PA output PB input PC low input high output SpO control not used AUX PCO not used PAI SpO control not used AUX PCI not used PA2 SpO control PB2 not used PC2 not used PA3 SpO control PB3 Test S amp A PC3 not used 4 not used PB4 Gas freeze S amp A PC4 not used PAS not used AUX PBS CTSB AUX PCS not used not used AUX CTSA AUX PC6 not used PA7 Nurse call AUX PB7 not used PC7 Alarm LED When a key is pressed keyboard scanner D9 interrupts the microprocessor and this reads from the scanner which key was pressed The Quart channel C is connected to Serial amp Analog I O connector computer output Quart channel A is connected to Aux connector graphic output and quart channel is used for communication between the microprocessor and the ACX measuring board Real time clock is controlled by D4 which contains lithium battery inside Software features are described in the Operator s Manual Main differences between software revisions are described in Section 3 4 CAUTION The board contains an IC D4 which has lithium battery inside Danger of explosion if the IC is incorrectly replaced Replace only with same or equivalent type recommended by DATEX ENGSTROM Do not dispose faulty IC s of in fire They ar
162. onitor Check that the message Probe off is shown when the probe is not connected to a finger Connect the SpO probe to your finger Check that the message Pulse search is shown and reading of 95 99 and the Pleth waveform will appear Switch the monitor off disconnect the mains cable and reassemble the monitor Note When reassembling the monitor make sure that the tubes and cables are not pinched between the PC boards and covers Clean or replace the dust filter If not replaced in item 3 Perform electrical safety check and leakage current test Reconnect the mains cable and sampling line switch the monitor on and wait until the message Calibrating gas sensor disappears from the screen simulate at least 5 breaths by feeding calibration gas into the sampling line Check that the shown gas information is correct Check that Apnea message appears on screen and monitor gives audible alarm within 30 seconds after you have stopped feeding the gas Switch the monitor off disconnect the mains cable and clean the monitor surface Fill in all necessary documents and the preventive maintenance sticker Attach it to a suitable place on the monitor rear panel January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 9 1 9 SPARE PARTS 9 1 Spare parts For the locations of the main parts see Figures 9 1 and 9 2 PCB SpO measuring board rev 07 and up 888210 SpO measuring board rev 05 and below
163. ons Sync pulse is detected with a reflectance sensor Al A2a converts the output current of the isolator to negative voltage pulse Its peak voltage is charged to C2 Output of A2b changes from 13 V to 13 V when the pulse s voltage exceeds half of the peak voltage The pulse is modulated to TTL level 5 V pulse in VI V22 controls the LED current in the optical isolator so that the amplitude of the pulse stays constant Signal processing The signal is sent to a low pass filter and then to adjustable amplifier which consists of DI and A3b January 15th 1997 6 ULTIMA SERVICE MANUAL 5 62 Bias voltages Supply voltages of 15 V and 15 V are first regulated by and A8 to 12 V and 12 V to prevent interference in the supply voltages from disturbing the bias voltages Frequency of A7 oscillator is 200 KHz and amplitude 24 V When its output is 12 V C19 is charged up to 24 V When the output goes up to 12 V C19 is discharged and charges C20 via diode V15 Thus C20 is charged to about 34 V 12 V 24 V threshold voltage of V15 Correspondingly C23 is charged to about 34 V Resistors R32 and R35 are both for short circuit protection and a part of low pass filter with C6 and C7 on the preamplifier board Motor control The motor is driven by DC voltage generated by D A converter and operational amplifier 9 The output of D8 is between 0 to 5 V With A9b the voltage is inverted to betwee
164. or each breath The Patient Spirometry monitors ventilation in anaesthesia Both patient breathing circuit and the function of the ventilator are monitored The following parameters are displayed Expiratory and inspiratory tidal volume TV in ml Expiratory and inspiratory minute volume MV in l min Expiratory volume in first second V1 0 in per cent Inspiration expiration ratio in time Airway pressures Peak pressure Ppeak End inspiratory pressure Pplat Positive end expiratory pressure PEEP Real time airway pressure waveform Paw Flow Real time volume waveform V Compliance C Pressure volume loop Flow volume loop Airway pressure PEEP Ppeak and P plat are measured by pressure transducer on the PVX board Atmospheric pressure is used as a reference in measurement The pressure measurement is made from the airway part that is closest to the patient between patient circuit and intubation tube January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 19 Airway flow The measurement is based on measuring the kinetic gas pressure and is performed using Pitot effect Pressure transducer is used to measure the Pitot pressure The obtained pressure signal is linearized and corrected according to the density of the gas Speed of the flow is calculated from these pressure values and TV value is then integrated MV value is further calculated and averaged using TV and RR respiratory rate values R
165. ormation Possibility to measure pediatric airway pressure and volume with Pedi Lite sensor and new PVX software 884013 2 Flow calibration in 15 no longer necessary 3 Spirometry parameter selections are added to normal screen 4 Error message CHIP FAILURE is added to indicate flatness of internal battery in SRAM D4 on CPU board January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 3 13 The production softwares for revision 06 and 07 monitors were The production softwares for revision 06 07 and 08 monitors were The current production softwares for revision 08 and 09 monitors are P N 882916 3 0 in English revision 06 except for adaptation 27 revision 07 P N 882917 3 0 German revision 06 P N 884234 2 0 in French revision 07 for adaptation 43 and P N 884203 3 0 in French revision 06 for adaptation 29 Changes made PV X measurement is improved Paediatric PVX measurement and desflurane measurement are added to the French software 882916 3 1 in English revision 07 except for adaptation 27 revision 08 882917 3 1 in German revision 07 884203 2 0 in French adaptation 43 revision 08 adaptation 29 revision 07 Changes made a bug in 3 0 fixed missing SELECT AGENT message in models without agent identification 884203 2 0 for all french spoken countries since Sevoflurane and Desflurane were accepted also in France 882916 4
166. ors that contain the Agent Identification 28 29 30 31 Enter the ASX Service menu Feed calibration gas and check that CAL GAS appears on the right side of the Ident text Note ASX 100 with software 878364 1 1 or lower 15 not capable of identifying calibration gas R23 order code 755582 and therefore the message MIX appears instead Keep feeding gas check that the Peak norm is close to 10 50 0 2 Check that the difference between Peak normal and Peak mirror 1s not more than 0 3 Note If the values are out of the above range perform the ASX calibration according to the Service manual instructions and check the values again January 15th 1997 6 ULTIMA SERVICE MANUAL 8 11 For monitors that contain the Patient Spirometry 32 33 34 35 36 37 38 Check that the SSS connectors at the front panel are clean and intact Connect a clean Spirometry tube to the module and a clean D lite to the other end of the tube Block the D lite s sampling line port for example with a Luer stopper Select the pressure waveform scale 20 cmH O and the flow waveform scale 15 l min onto the monitor screen Take the D lite into your hand and occlude both ends tightly with your fingers or with both hands Pressing firmly with the fingers creates a pressure inside the D lite Check that pressure near 5 cmH O is generated Note If the monitor has the male amp
167. procedure Wait until message CALIBRATING GAS SENSOR disappears d Confirm that the inspiratory reading is about 21 96 and no other gas is detected e Breath five times into the sampling line to verify that a capnogram and end tidal value are displayed and they are in expected range If not calibrate the monitor see the Operator s Manual Calibrate the monitor every 6 months even if there is no sign of errors f Stop breathing into the sampling line After 20 seconds the monitor should give the first audible and visible alarm indicators January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 2 2 PULSE Connect the pulse oximeter probe to the monitor The message NO PROBE is replaced by PROBE OFF b Check that red light is emitted from the emitter and the probe surface is undamaged Attach the probe to your finger Wait for the pulse search to be done and readings to stabilize d Verify that the PR and SpO values are in the expected range and that the plethysmographic pulse wave 15 regular 3 PRESSURE AND VOLUME a Verify that the D LITE and the tubes are connected correctly 4 AGENT IDENTIFICATION a Feed calibration gas p n 755582 into the sampling line in normal monitoring mode If the message CAL GAS IDENTIFIED comes up the identification is functioning properly Note ASX softwares of level 1 0 and 1 1 are not capable to identify calibra
168. range 499 9 cmH O Average value of eight samples of A D converted Flow0 signals The number corresponds to 10 V 2048 corresponds to 0 and 4095 corresponds to 10 V Value of amplified by 11 Flow is displayed multiplied by 100 Gas density compensation is done in addition to pressure and temperature compensations The range 12000 corresponds to flow 4120 00 l min Value of after pressure and temperature compensations is displayed Display range 0 to 4095 Volumes of expired inspired gas are displayed in ml unit Display range 0 to 3200 ml Volumes of minute expired inspired gases are displayed Display range 0 to 99 99 Note that decimal dot is not displayed 3450 l min actually means 34 50 l min Value of Pres Awp can be adjusted to zero by changing Pres Zero value Range of Pres Zero is 1000 to 2400 Gain of pressure measurement is displayed This value should be 8662 Voltage of DAC3 8 pin 14 adjusted DAC3 cancels the offset of pressure transducer B3 Number 0 corresponds to 0 V and 4095 corresponds to 10 V Value of Flow can be adjusted to zero with this adjustment Range of Flow offset adjustment is 100 to 4000 Gain of inspired gas volume Usually the value is between 5000 and 9000 November Ist 1993 4 ULTIMA SERVICE MANUAL 6 8b Exp Gain Common Offset Flow Offset P T corr Temp Gain Rel Hum Cal Temp Valves Gain of expired gas volum
169. re also displayed Within a half minute fields for waveforms and numeric values will appear No waveforms or data are displayed yet The message CALIBRATING GAS SENSOR indicates that the measuring of the zero levels is in progress Pump stops for 30 seconds for checking atmospheric pressure Pump restarts and zero valve closes for checking working pressure Program sets initial occlusion and air leak limits The monitor is now ready for use Waveforms and numerical data appear on the screen The message CALIBRATING GAS SENSOR disappears Pressure valve opens for measuring pressure difference between IN and REF flow pressures of the oxygen measuring unit Pressure valve closes After 5 minutes since the first zero level measurement the zero valve opens for a moment to check the zero level automatically During the zero level checking zeroing the screen is frozen After the zeroing the pressure valve opens for a moment for the pressure difference measurement The next automatic zeroing is then performed every five minutes during the first 30 minutes Every 15 minutes during the next 30 minutes and once in 30 minutes thereafter The zeroing is always accompanied with the pressure difference measurement January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 6 10 6 4 2 Troubleshooting in general TROUBLE No response when power is turned on No picture No response to breathing EXTERNAL RAM ERROR m
170. ribed below See the block diagram CAUTION Do not attempt to repair or replace the pressure transducer Bl Its calibration values are stored in EEPROM D2 and can be programmed only at the factory The ACX measurement board controls gas measurements It converts the photometer signal to digital data calculates results and transmits it to main CPU board The board contains 1n addition to the S0CSIFA processor EPROM RAM and EEPROM several analog and digital I O functions Internal and external bus Memory The processor has access to the measurement board peripherals memory A D converter D A converters etc via an internal bus For communication between the CPU board and the measurement board there is an external bus in connector Xl The external bus is driven by D21 data lines address lines and 018 read and write lines Memory components include 64 x 8 kbit program memory EPROM D4 32 x 8 kbit low current CMOS D22 powered by a data retention voltage generation circuit in power supply board and EEPROM D2 for permanent calibration values and setup memory Reference voltages Reference voltages are established by the A D converter 014 reference voltage output REFOUT pin 8 This 10 V voltage is buffered by A2D 10 V reference voltage is obtained by inverting and buffering 10 V with amplifier A2C January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 15 measuring ele
171. rt 3 of the microprocessor on the ACX measuring board The processor produces the necessary address information to cause the PAL D15 to produce the control pulses for the synchronous switches A28A and A28B Dark and Clear Motor speed control The speed of the stepper motor in the ACX 100 photometer is controlled with MOTOR signal from the processor This signal is buffered by D6 Pressure measurement The pressure transducer Bl measures the sampling system pressure after the photometer Voltage reference V1 resistors R17 R108 R89 and amplifier A31C supply the pressure measurement bridge with 4 mA current The pressure signal is amplified with and A31B The output of A31A corresponds to pressures 400 to 900 mmHg and is within 9 5 V and 9 5 V range Temperature measurement Temperature measurement exitation voltage for photometer stabilizing diode is fed from 10 V through resistor R104 The stabilizing diode voltage is proportional to photometer temperature This voltage is amplified with A31D January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 17 M n game BUFFER 10 VOC REF 410 REF zi c85 666 7 16U T IANT IOON T 35V EEPROM PHOTOMETER PARAMETERS WOIOR TEMPERATURE TEMP TEMPERATURE ACX i MEASURING UNIT TIMING i SIGNAL GAIN CURR _ PEAK SAMPLE MUX D 79 ADJ VOLT DETECT HOLD Y CHANNEL SEL
172. s The software code six numbers and revision number if other than initial revision are displayed on the screen during the startup sequence software P N 875345 4 is the initial production English language 877340 2 is the initial production French language and 877412 is the initial production German language versions These software are installed also in revision 01 monitors see Section 9 1 for detail Software P N 879016 is the revision 02 except ULT I S 27 01 and ULT V xx 00 production English language 879244 is the German language and 879245 is the French language versions Differences to the initial software versions are 30 minute trend added to Graphic trends of 2 h 6 h and 12 h Parameter configurations of the trend pages have been modified and a fourth page is added in order to include V model parameters Numeric trend is added Its time scale 1s 12 hours selection of anaesthetic agent became easy Pressing of the SET key is no longer necessary SEIKO DPU 411 printer is added to the printer selection Selection of O scale 1s added in the SETUP SCREEN menu The choices are 0 to 100 10 to 60 DIFF 30 or DIFF X 9o X is the same number as in CO scale selected e g 6 10 or 15 This selection is valid both in waveform and trends In the Start up menu the user can now select to display either balance gas or MAC values This selection also has an effect on graphic trends page 3 Pleth amplitude indicat
173. s follows MUX A0 A2 both MUX enable both MUX 0 Write ADC MUX 1 Write DAC Ired signals Red signals SpO Ired pleth Loudspeaker volume Loudspeaker pitch March Ist 5 26 1993 3 DATEX ULTIMA SERVICE MANUAL 5 27 Ports on the PPI 15 used for as follows PA output PB input PC low input high output SpO control not used AUX not used SpO control not used AUX not used SpO control not used PC2 not used SpO control Test S amp A PC3 not used not used Gas freeze S amp A not used not used AUX CTSB AUX PC5 not used not used AUX CTSA AUX PC6 not used Nurse call AUX not used PC7 Alarm LED When a key is pressed short circuit keyboard scanner D9 interrupts the microprocessor and this reads from the scanner which key was pressed The microprocessor s RS 232 is connected to Serial amp Analog I O connector computer output Duart channel A is connected to Aux connector graphic output and duart channel is used for communication between the microprocessor and the ACX measuring board Real time clock D16 is powered by 3 4 V lithium battery G1 Oscillator frequency of the clock is adjusted with trimmer capacitor C49 Software features are described in the Operator s Manual Main differences between software revisions are described in Section 3 4 CAUTION The board contains a lithium battery Dan
174. set into the mains socket outlet The contact positions of the applionce inlet by looking ot engogement face of the opplionce inlet 5 38a To POWER SUPPLY Connector X1 March Ist 1993 3 a 5 5 2 2 a INFRARED LAMP 24 4 9 gone 4 agne 2 2554 5 46 7 8 NOI USE IN ADAPTATION 76 10 MOTHERBOARD 4075 gt xz C gt i z xo 24 35 39 eK 8 47 5 R48 14 R3 4 3 L PRI Ree 1 Toe T 5 08 X 3 ECG TEST CONNECTOR 54 1 16 19 tK 15 T R 1 R49 18 1 19 R4 0 1941 17 TK 845 ji 284 C51 c PBS 8 F 19 35 4 7 R36 154 5 fF 1 2 127 75 02 415 2 RESET CIRCUIT G 22 2 lt ww gt 5 4 i C SERIAL ANALOG 1 0 x11 157 0 5 11 71852 12 1489 8 19 Y 80352 1 x1 M C48 5 is ner stay 1836 tum 4258545 2 12 030 1488 LL il v gt gt gt z c L
175. t 012 3 No error Rebreathing alarm Apnea alarm Air leak Occlusion 3rd digit 0 12 3 No error zero error e O2 zero error N20 zero error Anaesthetic zero error Status 2nd digit 0123456 No alarm O2 low alarm O2 high alarm low alarm high alarm 3rd digit 012 3 No alarm Anaesthetic insp low alarm Anaesthetic insp high alarm Anaesthetic exp low alarm Anaesthetic exp high alarm Ist digit 6 Modulation percent is given in decimal format 02 05 10 20 or 50 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 8 Status code definition cont Ist digit 7 Status 2nd digit 0123 Low pleth signal Pulse search Probe off No probe 3rd digit 0123 Pulse rate low Pulse rate high SpO2 low SpO2 high Status 2nd digit 0123 MVexp low MVexp high Ppeak low Ppeak high 3rd digit 0123 Obstruction Disconnection Leak PEEP high January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 12 9 B GRAPHICS PRINTER CKP 124 The CKP 124 Graphics Printer is a Kodak Diconix 18051 printer to be used with the DATEX ENGSTROM monitors Before using the printer make sure that the printer settings are as follows see chapter Using the Printer Setup Menu in the User s guide of the printer 1 Emulation EPSON FX 85 2 Page length 12 inches 3 Perforation skip Off 4 Character set USA 5 Charact
176. the tubes are connected in wrong way e Block the other end of the D lite with a finger and work on the pump When the piston is pushed in the waveform Paw should be above the dotted line When pulled out below the dotted line f Detach the D lite from the pump and block the both ends of the D lite with fingers The OCCLUSION alarm should appear after about 10 seconds If the alarm does not appear there may be a leak in the pressure and volume tubing g Attach the calibration pump to the again Press CAL key to go into calibration mode Choose FLOW CALIBR Press zero and wait for 5 seconds Then work on the pump slowly and send full volume into the monitor about 7 times until arrow figures appear on the screen Correct the reading to 1000 ml with the arrow keys Press the NORMAL SCREEN key to return to waveform display h Press the SPIROMETRY key and work on the pump as in the previous step Check that the values in TV insp and TV exp are 1000 ml If the values deviate more than 25 ml repeat the steps g and h November Ist 1993 4 CAPNOMAC ULTIMA SERVICE MANUAL 8 5 11 DATA RETENTION Breathe into the sampling line for at least 15 seconds Check by pressing the TREND key that the measurement results are enough to draw trend waveform Disconnect power cord for 20 seconds Then connect it back and turn the monitor on When the initialization is over make trend displayed on the screen The
177. tically derived and correlated to simultaneous SaO measured on an Instrumentation Laboratory IL 282 CO oximeter Display Averaging Time Pulse Rate Measuring Range Accuracy Resolution Display Averaging Time Plethysmographic Pulse Wave 10 seconds 5 seconds or beat to beat 30 to 250 beats min 30 to 100 5 96 100 to 250 5 beats min 1 digit 1 bpm 10 seconds Updated every 5 seconds Scale gain auto set during start up Adjustable scale 2 5 10 20 50 January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 5 Alarms Adjustable ETCO high and low FiO high and low Anaesthetic agent high and low Respiratory rate high and low CO rebreathing SpO high and low Pulse rate high and low Peak airway pressure high and low PEEP high Expiratory minute volume high and low Non adjustable FiN20 gt 82 96 FiO2 lt 18 Apnea Anaesthetic agent detected although not selected for display Occlusion Air leak Pulse search No probe Probe off Leak Disconnection Obstruction January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 2 Technical specifications Size Dx W x H Weight Display Water Trap Electrical requirements Voltage Stability Frequency Power consumption Grounding Interruptibility Environmental requirements Space Temperature operation storage Atmospheric pressure Humidity Standards fulfilled 4 6 34 x 33 x 21 2
178. tion gas R23 and the MIXED AGENT message will appear instead of CAL GAS IDENTIFIED message 8 2 Checks after component replacements The following test should be performed after any service to ensure proper operation of the monitor 1 VISUAL INSPECTION a Constriction cassettes water trap oxygen measuring unit valves and pump are connected with tubes in correct order b Tubes are not clogged no shape bends nor jams c Tubes are not touching the pump or oxygen measuring unit d Tubes are properly pushed in to the connectors Connect power cord and sampling line Turn the power on and wait until the initialization is over Set the real time correct in SETUP MONITOR menu Check that no error messages are shown January 15 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 8 3 2 PULSE OXIMETER ULT S model Be sure that the text PROBE is on the screen Connect a finger probe The text PROBE OFF appears shortly on the screen Put your finger into the probe The text PROBE OFF should disappear Make sure that the monitor shows an appropriate pulse rate PR 60 to 80 oxygen saturation value SpO 94 to 99 and draws a waveform shown here Connect printer with measurement cable to Serial amp Analog I O connector on the rear panel Make sure that the voltage changes in synchronization with pulse waveform 2 LOUDSPEAKER Check the operation of the loudspeaker with an alarm 4 AUTOMATIC GAS
179. tly Replace the probe OK Replace the probe OK No A3 or V102 blown optoisolators blown or red channel pulse width modulator faulty No Light in probe No LED driving transistors red LED blown PAL D3 faulty Yes Input or intermediate amplifiers blown pulse width modulator or optoisolators blown digitally controlled amplifier circuitry faulty 04 D5 see Figure 5 12 for signal waveforms NOTE When doing any work on the measuring board care has to be taken that the patient isolation is not violated Ext January 15th 1997 6 NOTE When reassembling the measuring board see Figure 9 1 for the proper placement of the shields CAPNOMAC ULTIMA SERVICE MANUAL 6 19 6 4 7 CPU board troubleshooting Due to the complexity of the LSI circuitry there are few faults in the CPU digital electronics that can be located without special equipment The following checks may be performed a The RAM EPROM CPU and other socketed I C s are properly installed and the memory configuration jumpers are correct see Figure 5 16 b The 11 059 MHz rev 05 and below or 16 MHz rev 06 and up clock signal at the CPU pins 18 and 19 use a high impedance probe to check is present c PSEN CPU pin 29 shows that instructions are being fetched If this line is static the processor is not running d RESET CPU 9 is normally low but pulled up to 5 V for a moment after power up If
180. uld show between 26 and 35 ml min The flow rate is adjusted by changing the cassette Connect rotameter between the oxygen measuring unit IN inlet and the tube which is connected to it The flow rate should be between 18 and 25 ml min larger than the REF flow This is adjusted by changing the constriction cassette No 21 which 15 located between the IN and OUT inlets Flow rate of CO absorber is measured by connecting rotameter to the unoccupied connector of the constriction cassette located on the absorber Make sure that the monitor is in normal situation APNEA text on the screen The flow rate should be zero When the gas zeroing takes place the rate should be more than 180 ml min The gas zeroing can be triggered by the CAL key and by performing gas calibration with the 1 key The flow rate is adjusted by changing the cassette No 20 CAUTION When changing cassettes make sure that the tubes are reconnected properly Flow to Constr No Nominal value be adjusted see Figure tolerance ml min 7 1 total flow 200 180 to 220 side flow 10 to 26 O measurement in 45 to 60 O reference in 26 to 35 CO absorber flow more than 180 when zeroing NOTE Changing any of the cassettes will have some effect on the other flow rates After any adjustments check the other flow rates as well January 15th 1997 6 0 1661 pL 911814 5 5
181. ure valve opens and measures the pressure gradient between the O measurement flow and the O reference flow This pressure gradient reflects the condition of the D FEND water trap filter The measurement is performed 30 seconds after every auto zeroing occlusion and gas calibration It is also performed whenever software detects the difference value to be less than 5 mmHg the pressure gradient is greater than 5 mmHg If the difference value is less than 5 mmHg the message REPLACE TRAP results January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 2 Special tubes are used in the sampling system PVC and silicone tubes cannot be used in those parts of the sampling circuit because they will react with the anaesthetic agent causing delayed a response time and an inaccurate zero point The sampling pump is a vibrating membrane pump driven by a 50Hz 12V 0 4A square wave current The purpose of the damping chambers is to even out the pulsating flow and silence the exhaust flow The correct flow rates are set using five flow constriction cassettes January 15th 1997 6 5 3 CAPNOMAC ULTIMA TM SERVICE MANUAL Gas sampling system schematic diagrams Figure 5 1 SED ee Surdureq news ino 44 1 ajdures sed E 1aquieq Trews Sutdureg si UH apdureg 5095435405 uoyen aqu 212945 saonpsuer
182. will stay in Calibrating gas sensor state until the measuring chamber is completely dry January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 7 1 7 ADJUSTMENTS 7 1 Adjustments after component replacements COMPONENT ADJUSTMENTS REPLACED SAMPLING After any work on the sampling system check the flow rates and SYSTEM adjust them if necessary see Section 7 2 N 0 AA MEASUREMENT C s diodes Gas calibration transistors or passive components ACX measuring Gas calibration unit ASX unit Always time offset and lambda calibration and checks of all limits in ASX service menu NOTE Pressure transducers Bl B2 and EEPROM D4 on the PVX board are replaced only at the factory NOTE The agent identification bench ASX should be repaired and calibrated at DATEX ENGSTROM Motor assembly preamplifier board EEPROM temperature measuring components or the reflectance sensor Al are replaced only at the factory NOTE The ACX photometer and its components are repaired calibrated at the factory Attempts to repair calibrate the unit elsewhere will adversely affect operation of the unit January 15th 1997 6 ULTIMA SERVICE MANUAL 7 2 Gas sampling system adjustment Flow rates should be measured and possibly adjusted under the following conditions After any part within the sampling system has been replaced Gas response is slow NOTE Before adjusting the flows replac
183. xcept for adaptations 27 and 43 only from the revision 07 on can measure paediatric spirometry with Pedi lite sensor This sensor is used for patients of 3 to 30 kg and is available as a reusable sensor only January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 4 23 4 9 Principle of Agent Identification The anaesthetic agent identification bench identifies halothane enflurane isoflurane desflurane and sevoflurane The operation of the bench is based on infrared absorption at 3 3 um range It measures the spectrum of the gas between 3 24 um and 3 39 um Because the spectrum of each of the anaesthetic agents is different it is possible to identify them The bench consists of an infrared source a measuring chamber a rotating filter and a detector The peak wavelength of the narrow bandpass filter changes when the angle between the light path and the filter is changed When the filter rotates the required spectrum is scanned through The agent or a mixture of agents is calculated from the measured spectrum using stored reference spectrums of each agent Figure 4 8 shows the absorption spectra of anaesthetic agents Halothane O Enflurane soflurane Sevoflurane Desflurane wavelength nm Figure 4 8 Anaesthetic Agents Gas Absorption Spectra January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 1 5 DETAILED DESCRIPTION OF MODULES 51 Gas sampling system The fun
184. y _ 5259008 E R45 olo 22VACI 27 26 04 IN _ 216 723 c x9 184148 3K92 IR 9532 or 1 38 2 1489 12 IN4004 211401 5 u gt 82 26 c3 vq quur n BSR E 5 2 222 NWI POWER BOARD sivu HAIE m deis Bde 47 WUUTOS wR KR TO OY ary 3B 880989 2 3 4 4 5 6 8 8 DATEX ULTIMA SERVICE MANUAL 5 38a Figure 5 22a Transformer diagram and schematic diagram part 3 board modification level 3 and higher APPLIANCE POWER INLET SWITCH F1 i at BOA POWER T SUPPLY oins 1 Voltage gt 22 Connector X1 T2 5 A BU ALL ADAPTATIONS EXCEPT 27 1 Fuse F2 not in adaptations 28 ond 29 2 Primory wiring toble ADAPTATIONS 28 29 BN to 115 V BU to 0 V BN to 115 V BU to 15 V APPLIANCE INLET SWITCH X 51 71 POWER SUPPLY Moins 2 BOARD Voltage Cannectar X1 4 as TRANSFORMER COVER ADAPTATION 27 if no polorized moins plug
185. y 32195214 31155224 31125572 UONILYSUOD 19194 1 fuunseoy O01 XDV E BARA 7 u i saquosqy ia npsueip aqn jemads 3115534 NI 9 nv wooy Gas Sampling System with i parameter Gas Sampling System without i parameter January 15th 1997 6 CAPNOMAC ULTIMA SERVICE MANUAL 5 4 Figure 52 1 Gas sampling system layout without i parameter Table 5 1 1 Tube lengths without i parameter Tube No Part Code Pcs Length mm A Special sample tube 733383 1 1 1 7 1 05 mm Silicone 73373 1 Sample out 3 1 7 1 05 mm Silicone 73313 7 4 1 7 1 05 mm Silicone 73313 3 37 31 bs 5 L7 1 05 mm Silicone 73373 1 6 1 7 1 05 mm Silicone 73373 1 Rt T 8 1 7 1 05 mm Silicone 73373 1 EUN Hd 9 1 7 1 05 mm Silicone 73373 1 o 20 Small damping chamber M 10 1 7 1 05 mm Silicone 73373 2 uy 11 1 7 1 05 mm Silicone 73373 1 Measuring board 13 3 18x6 35 mm Silicone 73375 1 ni Pressure T m 2 14 17 1 05 mm Silicone 73373 transducer 5 15 4 8x9 5 mm Silicone 73376 2 26 Room or lt D 17 1 2 mm PVC 73341 1 B Dust filter 18 1 2x0 3 mm PTFE 73332 1 9 19 1 7 1 05 mm Silicone 73373 1 o 25 1 7 1 05 mm Silicone 73373 3 26 3 18 6 35 mm Silicone 73315 3 27 1 7 1 05 mm Silicone 73313 1 28 1 7 1 05 mm Silicone 73313 2 18 Seiected individually see Tabl

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