Datex-Ohmeda CAPNOMAC ULTIMA Service Manual
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Datex-Ohmeda CAPNOMAC ULTIMA Service Manual

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CAPNOMAC
T M
U L T I M A
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
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  • Page 1 CAPNOMAC U L T I M A 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...
  • Page 2 - l CAPNOMAC ULTIMA SERVICE MANUAL CONTENTS..................PAGE Table of Contents .
  • Page 3 CAPNOMAC ULTIMA SERVICE MANUAL Video ASIC board ..................5-31 Power supply board ..................5-35 Mother board ....................5-39 5.10 Keyboard ......................5-39 5.11 Loudspeaker unit .................... 5-39 5.12 Internal connector configurations ..............5-43 5.13 PVX board ...................... 5-53 5.14 Agent Identification ..................5-59 5.14.1 ASX Agent Identification Bench..
  • Page 4 CAPNOMAC ULTIMA SERVICE MANUAL ADJUSTMENTS ......................7-l Adjustments after component replacements........... 7-l Gas sampling system adjustment ..............7-2 Oxygen measurement adjustments..............7-6 7.3.1 Offset (zero) adjustment ..............7-6 7.3.2 Gain adjustment................... 7-6 7.3.3 Temperature compensation adjustment ..........7-6 7.3.4...
  • Page 5 CAPNOMAC ULTIMA SERVICE MANUAL LIST OF FIGURES ..................... . . PAGE O/AA gas absorption spectra ..............
  • Page 6 CAPNOMAC ULTIMA SERVICE MANUAL 5.12 SpO Measuring board signal waveforms and schematic diagram part 3 ........................5-24 Measuring board schematic diagram part 4 .
  • Page 7 CAPNOMAC ULTIMA SERVICE MANUAL measuring electronics troubleshooting chart ..........6- 18 6 . 2 Gas sampling system adjustment chart ..............7-4 measuring unit adjustments................7-7 Video display unit (Philips) schematic diagram ............. 7-10 Video display unit (Philips) schematic diagram ...........7-11 Exploded picture of the monitor (all except -27- model) ........9 - 8 Exploded picture of the monitor (-27- model) rev.
  • Page 8 CAPNOMAC ULTIMA SERVICE MANUAL LIST OF TABLES ......................PAGE Pin order of the pulse oximeter probe connector ..........4-15 Pin order of the connector..........4-16 SERIAL & ANALOG Pin order of the AUX I/O connector ..............4-17 5.1.1 Tube lengths (without i-parameter) ................5-4 5.1.2 Tube lengths (with i-parameter) ................
  • Page 9 CAPNOMAC ULTIMA SERVICE MANUAL 5.19 Power supply board (X3) - Fan ................5-51 5.20 Power supply board (X6) - Video unit main pc board ......... 5-52 5.21 Power supply board (X8) - Loudspeaker ............... 5-52 5.22 Power supply board (X9) - Pump ................5-52 5.23...

  • Page 10: Warnings And Cautions

    CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 11 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 12 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 13 CAPNOMAC ULTIMA SERVICE MANUAL INTRODUCTION AND APPLICABILITY OF THIS MANUAL Introduction and applicability of this manual This service manual (Doc. No. 878131) and the Panasonic CRT Data Display Model M-K9l0lNB service manual (available from DATEX-ENGSTROM Division, order code 572760) provide...
  • Page 14 CAPNOMAC ULTIMA SERVICE MANUAL CAPNOMAC ULTIMA The basic model ULT-1 measures CO O, O , and AA. The additional parameters and their symbols are explained below. S P O Patient Spirometry Agent ID This manual describes all the functions offered by the CAPNOMAC ULTIMA monitor.
  • Page 15 CAPNOMAC ULTIMA SERVICE MANUAL Summary of revision changes Revision -00 Initial production revision of the monitor. Revision -01 (except ULT-l/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.
  • Page 16 CAPNOMAC ULTIMA SERVICE MANUAL 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).
  • Page 17 CAPNOMAC ULTIMA service manual changes 3.3.1 This is the update number 6 to the CAPNOMAC ULTIMA service manual. After this update, the manual covers 00 to 08 revision monitors, and revision 09 monitors of adaptations 27 and Manual update 6...
  • Page 18 CAPNOMAC ULTIMA SERVICE MANUAL 3.3.2 Record of manual updates carried out Update Carried out by number Name Date Datex May 2nd, 1991 Datex September lst, 1992 Datex March lst, 1993 Datex November lst, 1993 Datex June lst, 1994 Datex-Engstrom January 15th, 1997...
  • Page 19 CAPNOMAC ULTIMA SERVICE MANUAL Software changes 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.
  • Page 20 CAPNOMAC ULTIMA SERVICE MANUAL Anaesthetic agent concentration is now displayed with two decimals when the concentration is below 1 %. 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).
  • Page 21 CAPNOMAC ULTIMA SERVICE MANUAL Software P/N 879016-2.1 is the revision -03 (except ULT-S/SV- 25-00, ULT-l/S-27-02, ULT-V-xx-01, and ULT-i/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):...
  • Page 22 3-10 CAPNOMAC ULTIMA SERVICE MANUAL 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):...
  • Page 23 3-11 CAPNOMAC ULTIMA SERVICE MANUAL ACX 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.
  • Page 24 3-12 CAPNOMAC ULTIMA SERVICE MANUAL Software P/N 882916-1. 0 is the revision -06 production English language, 882917-1.0 is 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 information):...
  • Page 25 3-13 CAPNOMAC ULTIMA SERVICE MANUAL P/N 882916-3.0 in English (revision -06, except for adaptation -27 The production revision -07), P/N 882917-3.0 in German (revision -06), P/N softwares for revision 884234-2.0 in French (revision -07 for adaptation 43), and P/N -06 and -07 monitors 884203-3.0 in French (revision -06 for adaptation 29).

  • Page 26: General Description

    4 - l CAPNOMAC ULTIMA SERVICE MANUAL GENERAL DESCRIPTION Operational specifications Automatic compensation for atmospheric pressure variation, CO O and CO collision broadening effects 200 ± 20 ml/min Gas Sampling Flow Rate: 3 min to operation, 30 min for full...
  • Page 27 CAPNOMAC ULTIMA SERVICE MANUAL Anaesthetic Agent (performance with pure agents) Measuring Range Accuracy HAL, ISO, ENF 0 t o 5 % Extended 5 to 15% unspecified 0 to 8 % Extended 8 to 15% unspecified 0 to 18 % (0 to 5 %)
  • Page 28 CAPNOMAC ULTIMA SERVICE MANUAL Airway Pressure (Paw)** Accuracy: Resolution: 1 cmH Measuring Range: to +80 cmH 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 -“-...
  • Page 29 CAPNOMAC ULTIMA SERVICE MANUAL Saturation (SpO 40 to 100 % Measuring Range: Accuracy (SD): 50 to 0 % unspecified 1 digit (=l %) Resolution: 1 SD = 68 % of all readings in stable conditions. The pulse oximeter accuracy measurements are statistically derived and...
  • Page 30 CAPNOMAC ULTIMA SERVICE MANUAL ETCO (high and low) Adjustable: Alarms (high and low) Anaesthetic agent (high and low) Respiratory rate (high and low) rebreathing (high and low) Pulse rate (high and low) Peak airway pressure (high and low) PEEP (high)
  • Page 31 CAPNOMAC ULTIMA SERVICE MANUAL Technical specifications Size (D x W x H): 34 x 33 x 21.2 cm (excluding feet) (13.6 x 13.2 x 8 . 3 in) Weight: 12.5 kg (27.6 lb) Display: 9 inch monochrome video Water Trap:...
  • Page 32 CAPNOMAC ULTIMA SERVICE MANUAL Equipment classification Classification according to IEC 601-l: * CLASS 1 equipment according to the type of protection against electrical shock. * TYPE BF equipment according to the degree of protection against electrical shock is specified in the specifications of each parameter module.
  • Page 33 CAPNOMAC ULTIMA SERVICE MANUAL Principle of operation Principle of CO O/AA measurement 4.4.1 The CO O, and anaesthetic agent gas measurements are based on 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.
  • Page 34 CAPNOMAC ULTIMA SERVICE MANUAL Principle of O measurement 4.4.2 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.
  • Page 35 4-10 CAPNOMAC ULTIMA SERVICE MANUAL Principle of SpO measurement 4.4.3 S p O Oxygen is the most acutely necessary substrate for survival. 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.
  • Page 36 4-11 CAPNOMAC ULTIMA SERVICE MANUAL S a O = HbO /(HbO +Hb), 2 f u n c 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 SaO .
  • Page 37 4-12 CAPNOMAC ULTIMA SERVICE MANUAL General block diagram The monitor consists of the following modular parts (see page 3-l for the parts included in the monitor you are using): The gas sampling system for Anaesthetic agent measurement ACX measuring unit...
  • Page 39 4-14 January 15th, 1997/6...
  • Page 40 4-15 CAPNOMAC ULTIMA SERVICE MANUAL External connector configurations 4.7.1 Input/Output specifications Output voltage Analog output Scale 0 to 10 v 0 to 10% 0 to 100 % 0 to 10 v 0 to 100 % 0 to 10 v 0 to 10%...

  • Page 41: Pin Signal

    4-16 SERVICE MANUAL CAPNOMAC ULTIMA Pin order of the SERIAL & ANALOG connector Table 4.2 PIN SIGNAL SIGNAL l) 0 to 10 v 2 ) same scale as on screen 3, HAL, ENF, ISO, SEV: 0 to 10 % 0 to 20 %...
  • Page 42 4-17 SERVICE MANUAL CAPNOMAC ULTIMA Table 4.3 Pin order of the AUX I/O connector SIGNAL SIGNAL Analog ground Serial out (A) Serial in (A) RTS (A) CTS (A) Signal ground +12 VDC -12 VDC not in use not in use CTS (B) * max.
  • Page 43 4-18 CAPNOMAC ULTIMA SERVICE MANUAL 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 (I:E) determined by the settings of the ventilator.
  • Page 44 4-19 CAPNOMAC ULTIMA SERVICE MANUAL 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 Speed of the flow corrected according to the density of the gas.
  • Page 45 4-20 CAPNOMAC ULTIMA SERVICE MANUAL Compliance 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.
  • Page 46 4-21 CAPNOMAC ULTIMA SERVICE MANUAL...
  • Page 47 4-22 CAPNOMAC ULTIMA SERVICE MANUAL D-lite sensor Two types of the sensors are available: disposable and D-lite reusable. is designed to measure kinetic pressure by two-sided Pitot D-lite tube. The pressure reduction caused by measuring cross is taken into account, too, especially in small flows.
  • Page 48 4-23 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 49 CAPNOMAC ULTIMA SERVICE MANUAL DETAILED DESCRIPTION OF MODULES Gas sampling system The function 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.
  • Page 50 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 52 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.1.1 Tube lengths (without i-parameter) Figure 52.1 Gas sampling system layout (without i-parameter)
  • Page 54 CAPNOMAC ULTIMA SERVICE MANUAL Flow constriction cassettes Table 5.2 Constriction cassette Code 50/26.0 878048 50/19.0 873800 50/16.3 878047 50/15.3 873801 50/14.1 878046 50/13.1 873802 50112.4 878045 50/11.2 874770 50/10.4 873803 5019.2 874509 50/8.7 873804 50/7.4 873805 50/6.5 878044 50/5.8 873806 50/5.1...
  • Page 55 CAPNOMAC ULTIMA SERVICE MANUAL O/AA measurements 5.2.1 In general 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 The ACX photometer and its components are CAUTION: repaired/calibrated at the factory.
  • Page 56 CAPNOMAC ULTIMA SERVICE MANUAL 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. There is an optical sensor incorporated in the photometer which detects light from a reflective surface on the filter wheel once every revolution.
  • Page 58 5-10 CAPNOMAC ULTIMA SERVICE MANUAL...
  • Page 59 5-11 CAPNOMAC ULTIMA SERVICE MANUAL 5.2.3 Preamplifier board Figure 5.5 Parts layout and schematic diagram 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.
  • Page 61 5-13 CAPNOMAC ULTIMA SERVICE MANUAL measurement The oxygen measurement is based on 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.
  • Page 62 CAPNOMAC ULTIMA SERVICE MANUAL 5-14 ACX 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 described below (See the block diagram).
  • Page 63 CAPNOMAC ULTIMA SERVICE MANUAL 5-15 measuring electronics The signal from the O measuring unit is sent to pin a9/Xl and processed in the processor and passes to the main CPU board at a 5 / X 1 . Measuring electronics for CO...
  • Page 64 CAPNOMAC ULTIMA SERVICE MANUAL 5-16 D/A-conversion D/A conversion is made with a 12-bit D/A-converter (Dll). D12 multiplexes the analog output to 8 sample and hold circuits. Two of these are used to drive offset voltages for N O and CO measurement.
  • Page 68 5-20 CAPNOMAC ULTIMA SERVICE MANUAL measuring board (Rev. 06 and up) Figure 5.10 Block diagram and schematic diagram part 1 Parts layout, timing diagram, and schematic diagram part 2 Figure 5.11 Figure 5.12 Signal waveforms and schematic diagram part 3 Figure 5.13...
  • Page 69 5-21 CAPNOMAC ULTIMA SERVICE MANUAL diagram in Figure 5.11. A positive voltage pulse at l/Xl 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.
  • Page 74 5-26 CAPNOMAC ULTIMA SERVICE MANUAL CPU board (Rev. 06 and up) Block diagram and schematic diagram part 1 Figure 5.14 Figure 5.15 Parts layout and schematic diagram part 2 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...
  • Page 75 5-27 CAPNOMAC ULTIMA SERVICE MANUAL Ports on the PPI is used for as follows: PB (input) PC (low input,high output) PA (output) PB0: not used (AUX) PC0: not used PA0: SpO control PAl: SpO control PBl: not used (AUX) PCl: not used...
  • Page 79 CAPNOMAC ULTIMA SERVICE MANUAL 5-31 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.
  • Page 80 CAPNOMAC ULTIMA SERVICE MANUAL 5-32 This page has intentionally been left blank. Figure 5.17 (no figure) January 15th, 1997/6...
  • Page 81 5-33 CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.18 Video ASIC board parts layout Figure 5.19 (on the next page) Video ASIC board schematic diagram January 15th, 1997/6...
  • Page 82 5-34 SERVICE MANUAL CAPNOMAC ULTIMA January 15th, 1997/6...
  • Page 83 5-35 CAPNOMAC ULTIMA SERVICE MANUAL Power supply board Figure 5.20 Block diagram and transformer diagram Figure 5.21 Signal waveforms and schematic diagram part 1 Figure 5.22 Parts layout and schematic diagram part 2 Figure 5.22a Schematic diagram part 3 Principle of operation The primary of the power supply is designed to double insulation requirements for added safety.
  • Page 84 CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.20 Power supply board block diagram and transformer diagram January 15th, 1997/6...
  • Page 89 5-39 CAPNOMAC ULTIMA SERVICE MANUAL Mother board Parts and schematic diagram Figure 5.23 layout 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).
  • Page 94 5-41 CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.24 Keyboard parts layout and schematic diagram (board modification level 0 and higher) January 15th, 1997/6...
  • Page 95 CAPNOMAC ULTIMA TM SERVICE MANUAL 5-42 Figure 5.25 Loudspeaker unit parts layout and schematic diagram (board modification level 4 and higher) September lst, 1992/2...
  • Page 96 5-43 CAPNOMAC ULTIMA SERVICE MANUAL Internal connector configurations 5.12 Video control board (Xl) - Mother board (Xl) Table 5.3 -10RQ INTO +5 v +5 v DGND DGND NC = not connected AIN is an A/D-converter and AOUT is a D/A-converter in ACX board.
  • Page 97 5-44 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.4 CPU board (Xl) - Mother board (X2) +15 v AGND -15 v +l0 V REF DAC7 ALR ADJ DAC6 IR DAC5 ALARM DAC4 DAC2 SpO DAC1 FLOW DAC0 PRES ADC6 VOUT R ADC5 P...
  • Page 98 5-45 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.5 ACX measuring board (Xl) - Mother board (X3) AGND +15 v -15 v +l0 V REF AOUT6 AOUT5 AA AOUT4 VL AOUT CO AOUT2 O AOUT1 N DAC1 FLOW DAC0 PRES AIN7 SAL...
  • Page 99 5-46 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.6 Power supply board (X10) - Mother board (X5) Pin No. Signal Pin No. Signal AGND AGND PA7 ALR CALL 21 VAC +12 V +12 V +5 V DRV TO RTS0 SEROUT2 SERIN2 OPl RTSB...
  • Page 100 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.7 measuring board (X2) - Mother board (X10) Pin No. Signal +15 VDIRTY ADC 4 VOUT IR -15 V ADC 6 VOUT R +5 V AGND Table 5.8 Keyboard (Xl) - Mother board (X8) Pin No.
  • Page 101 5-48 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.9 measuring unit - Mother board (X9) Pin No. Signal +15 VDIRTY GND DIRTY -15 V ADC3 O +15 v AGND Table 5.10 Gas zero valve - Mother board (X11) Pin No. Signal +15 VDIRTY ZERO SIGNAL Table 5.11...
  • Page 102 5-49 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.12 Pressure valve - Mother board (X7) Pin No. Signal +15 VDIRTY OCCLUS SIGNAL Table 5.13 Mother board test connector (X13) Pin No. Signal AGND ADC4 VOUT IR AIN4 SSIGN ADCl AWP ADC3 O ADC5 P AWF Table 5.14...
  • Page 103 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.15 ACX measuring board (X2) - Preamplifier board (Xl) Signal Pin No. AGND Signal IN, OUT EEPROM CLB (dark) Temp IN, OUT +15 V -15 V SYNC IN, OUT EEPROM R EEPROM WRB EEPROM 2CS (clear)
  • Page 104 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.17 Power supply board (Xl) - Line transformer Signal Pin No. 22 VAC secondary voltage of the line transformer and 22 VAC ground Table 5.18 Power supply board (X2) - IR lamp Table 5.19 Power supply board (X3) - Fan Pin No.
  • Page 105 5-52 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.20 Power supply board (X6) - Video unit main pc board Pin No. Signal +12 V Video brightness control Video brightness control Video brightness control Comp video DGND Table 5.21 Power supply board (X8) - Loudspeaker Pin No.
  • Page 106 5-53 CAPNOMAC ULTIMA SERVICE MANUAL PVX board 5.13 Block diagram and schematic diagram part 1 Figure 5.26 Parts layout and schematic diagram part 2 Figure 5.27 Pressure transducers Bl , B2, and EEPROM D4 are NOTE: replaced only at the factory.
  • Page 107 5-54 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 110 5-57 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.23 PVX board (Xl) - Mother board (X4) AGND +15 V -15 V +l0 VREF DACl FLOWY DAC0 PRES FLOW PRESS -RESET TxDP +5 V +15 VDIRTY +5 V GND DIRTY DGND January 15th, 1997/6...
  • Page 112 5-59 CAPNOMAC ULTIMA SERVICE MANUAL 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...
  • Page 113 CAPNOMAC ULTIMA SERVICE MANUAL P r e a m p l i f i e r Figure 5.29 ASX Agent identification benches January 15th, 1997/6...
  • Page 114 5-61 CAPNOMAC ULTIMA SERVICE MANUAL 5.14.2 ASX preamplifier board The absorption of infrared light is measured with a lead selenide detector Rl. The signal is amplified with Al and then led to the measuring board. 5.14.3 ASX board The measuring electronics can be divided into a few functional blocks, which are described below (See the block diagram).
  • Page 115 5-62 CAPNOMAC ULTIMA SERVICE MANUAL Bias voltages Supply voltages of +15 V and - 15 V are first regulated by A6 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.
  • Page 116 5-63 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 117 ASX Preamplifier Board...
  • Page 118 5-65 CAPNOMAC ULTIMA SERVICE MANUAL Table 5.24 ASX preamplifier board (Xl) - ASX board (X2) Pin No. I Signal Ground +12 V -12 V signal +VBIAS -VBIAS Table 5.25 ASX board (X5) - Mother board (X14) Pin No. Signal Analog ground...

  • Page 123: Service And Troubleshooting

    CAPNOMAC ULTIMA SERVICE MANUAL SERVICE AND TROUBLESHOOTING General service information Usually field service is limited to swapping the faulty circuit boards or mechanical parts. The boards are then returned to DATEX-ENGSTROM for repair. The measuring units ACX-100/200 can only be CAUTION: repaired and calibrated at DATEX-ENGSTROM.
  • Page 124 CAPNOMAC ULTIMA SERVICE MANUAL Disassembly and reassembly is disassembled in the following The CAPNOMAC ULTIMA way (see Figure 9.1 for the exploded view of the monitor): Disconnect the power cord. Remove the upper two galvanized screws on the side panels and lift off the top cover.
  • Page 125 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 126 CAPNOMAC ULTIMA SERVICE MANUAL 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 then pressing the soft key 3.
  • Page 127 CAPNOMAC ULTIMA SERVICE MANUAL 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 “DIFF”.
  • Page 128 CAPNOMAC ULTIMA SERVICE MANUAL service 6.3.2 In SpO service the following parameters and their values are displayed. PARAMETER EXPLANATION Vred Red channel voltage. About 10 V when probe is attached and pox dac gain is high enough. 0 V without probe.

  • Page 129: Error List

    CAPNOMAC ULTIMA SERVICE MANUAL Error list 6.3.3 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. 1. CO zero error 2.
  • Page 130 6-7a CAPNOMAC ULTIMA SERVICE MANUAL Erroneous pressure value corrupts pressure compensation of all gas values. 21. 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.
  • Page 131 6-7b CAPNOMAC ULTIMA SERVICE MANUAL 45. ASX ROM CHECKSUM ERROR EPROM contents are false. Change the component. 46. ASX AUX RAM ERROR Auxiliary RAM failed. Change the component. reset 50. PVX 5 1. NO RESPONSE FROM PVX 56. PVX DOWNLOADED Items 50, 51 and 56.
  • Page 132 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 133 CAPNOMAC ULTIMA SERVICE MANUAL 6-8a 6.3.5 PVX service 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.
  • Page 134 6-8b CAPNOMAC ULTIMA SERVICE MANUAL Gain of expired gas volume. Usually the value is between 5000 and Exp Gain* 9000. Cancels common error which is caused by pressure from the Common Offset pressure transducers. This is a transducer’s own constant. The common offset should be between -230 and +230.

  • Page 135: Zero & Cal

    6-8c CAPNOMAC ULTIMA SERVICE MANUAL 6.3.6 ASX service ASX is automatically zeroed after entering the menu. Let the unit ASX. warm up 30 minutes before calibrating SOFTKEYS SPECTR ON/OFF displays the measured spectrum. OFF gives faster response on other measurements.
  • Page 136 6-8d CAPNOMAC ULTIMA SERVICE MANUAL LIMITS EXPLANATION PARAMETER Gives the identified gas Ident. or mixture (HAL/ENF/ISO/DES/SE V CAL.GAS/MIX) Concentration measured Conc./Total conc % by ASX. NOTE! For Datex calibration gas the value is the concentration of cal. gas. Cal. gas > 70,...

  • Page 137: Calibration Values

    CAPNOMAC ULTIMA SERVICE MANUAL 6-8e CALIBRATION VALUES FACT. column shows the initial factory calibrations. 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 between sync pulse and measured spectrum. 30000 Time offset corresponds to 360°...
  • Page 138 CAPNOMAC ULTIMA SERVICE MANUAL 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. All the memory in the monitor is checked.
  • Page 139 CAPNOMAC ULTIMA SERVICE MANUAL 6-10 6.4.2 Troubleshooting in general 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 TROUBLE Power cord disconnected or not connected properly.
  • Page 140 CAPNOMAC ULTIMA SERVICE MANUAL 6-11 AIR 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 is used, check the bacteria filter.
  • Page 141 6-12 CAPNOMAC ULTIMA SERVICE MANUAL 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.

  • Page 142: Response Time

    6-13 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 144 6-15 CAPNOMAC ULTIMA SERVICE MANUAL Gas measurement troubleshooting 6.4.4 Table 6.2 Gas sampling system troubleshooting chart POSSIBLE CAUSE/REMEDY SYMPTOM Sampling line or water trap blocked. Internal tubing (constriction No response to any cassettes) blocked or loose. Water container loose. Pressure valve malfunction. Pump failure.
  • Page 145 6-16 CAPNOMAC ULTIMA SERVICE MANUAL Strong drift of CO Fluid or dust in measuring bench. Electrical connections to IR lamp faulty. O and AA Loose screws in measuring unit. AGC circuit faulty (ACX measuring board). Blocked O reference flow. Strong drift of O Uneven sample pump function.
  • Page 146 6-17 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 147 6.4.6 measuring electronics troubleshooting (ULT-S model); Figure 6.2 SpO measuring electronics troubleshooting chart Finger in probe and connected to CAPNOMAC ULTIMA *) see Figure 5.12 for signal waveforms. When doing any work on the measuring board care has to NOTE: be taken that the patient isolation is not violated.
  • Page 148 CAPNOMAC ULTIMA SERVICE MANUAL 6-19 CPU board troubleshooting 6.4.7 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: CPU, and other socketed I.C.s are...
  • Page 149 6-20 CAPNOMAC ULTIMA SERVICE MANUAL 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...
  • Page 150 6-21 CAPNOMAC ULTIMA SERVICE MANUAL 6.4.9 Power supply board troubleshooting 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.
  • Page 154 6-24 CAPNOMAC ULTIMA SERVICE MANUAL Cleaning the measuring chamber of ACX measuring unit 6.4.13 In case the N O “zero calibration constant” in Gas Service (ULT) or O “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”...
  • Page 155 6-25 CAPNOMAC ULTIMA SERVICE MANUAL Switch the monitor on and let the sample out flow dry out the unit at least for 15 minutes Attach the unit back to the monitor or gas module and switch the monitor on Let the monitor run at least 30 minutes before checking the...
  • Page 156 CAPNOMAC ULTIMA SERVICE MANUAL ADJUSTMENTS Adjustments after component replacements ADJUSTMENTS COMPONENT REPLACED SAMPLING After any work on the sampling system check the flow rates and SYSTEM adjust them if necessary (see Section 7.2). O/AA MEASUREMENT IC’s, diodes, Gas calibration. transistors or...
  • Page 157 CAPNOMAC ULTIMA SERVICE MANUAL 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 replace the D-FEND water trap if necessary.
  • Page 158 CAPNOMAC ULTIMA™ SERVICE MANUAL Measurement flow and reference flow of the oxygen measuring unit are checked as follows: Connect rotameter behind the constriction cassette (No. 24) ( a ) ahead of the oxygen measuring unit REF inlet. The rotameter should show between 26 and 35 ml/min. The flow rate is adjusted by changing the cassette.
  • Page 160 CAPNOMAC ULTIMA™ SERVICE MANUAL 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 O measurement flow and the O reference flow. Remember that the sampling line should be attached to the water trap during test.
  • Page 161 CAPNOMAC ULTIMA SERVICE MANUAL 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 DATEX-ENGSTROM one sent to for repair.
  • Page 162 CAPNOMAC ULTIMA SERVICE MANUAL Frequency adjustment 7.3.4 The switching frequency of the electromagnet of the O 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.
  • Page 163 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 164 CAPNOMAC ULTIMA SERVICE MANUAL Video Display Unit (Philips) Adjustments The following adjustments can be done in the Philips CRT display board (rev. 07 adaptation 27 only): Basic brightness adjustment Trimmer potentiometer P4 Horizontal width Trimming inductance L1 Vertical height Trimmer potentiometer P2...

  • Page 167: Airway Gases

    8 - l CAPNOMAC ULTIMA SERVICE MANUAL FUNCTIONAL FIELD CHECK PROCEDURE Preoperative check list Perform the following tests daily to assure proper operation of the monitor. If the monitor fails to respond as described, stop WARNING: using the monitor, troubleshoot, and correct the situation.

  • Page 168: Pulse Oximeter

    CAPNOMAC ULTIMA SERVICE MANUAL PULSE OXIMETER Connect the pulse oximeter probe to the monitor. The message is replaced by ‘PROBE OFF’. ‘NO PROBE’ 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.
  • Page 169 CAPNOMAC ULTIMA SERVICE MANUAL PULSE OXIMETER (ULT-S model) Be sure that the text “NO 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”...
  • Page 170 CAPNOMAC ULTIMA SERVICE MANUAL GAS ZERO AND CALIBRATION Let the monitor draw in 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.
  • Page 171 CAPNOMAC ULTIMA SERVICE MANUAL 8-4a FLOW ZERO AND CALIBRATION Due to hardware and software improvements, this flow zero and NOTE: calibration is However, if there is a reason for not necessary. verification, perform flow zero and calibration with Spirometry tester (p/n 884202;...

  • Page 172: Data Retention

    CAPNOMAC ULTIMA SERVICE MANUAL DATA RETENTION Breathe into the sampling line for at least 15 seconds. Check by pressing the TREND key that the CO measurement results are enough to draw trend waveform. Disconnect power cord for 20 seconds. Then connect it back and turn the monitor on.
  • Page 173 CAPNOMAC ULTIMA SERVICE MANUAL Preventive Maintenance Check List Client Service Monitor type Service engineer Date All models: (3*) PM Kit parts replaced ( 1 8 ) P u m p t e s t Gas values within limits (19) Ambient - PRE...
  • Page 174 CAPNOMAC ULTIMA SERVICE MANUAL Preventive Maintenance Instructions 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...
  • Page 175 CAPNOMAC ULTIMA SERVICE MANUAL - 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 Note: Use only Datex-Engstrom sampling lines in order to ensure proper functioning.
  • Page 176 CAPNOMAC ULTIMA ™ SERVICE MANUAL Note: Cleaning of the measuring chamber can be tried as “first aid” but we recommend exchanging the measuring unit rather than cleaning. Check that the shown “Ambient Press” -value corresponds Check the CO absorber. Place the tip of the sampling line away from you and let the monitor draw in room air.
  • Page 177 8-10 CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 178 8-11 CAPNOMAC ULTIMA SERVICE MANUAL For monitors that contain the Patient Spirometry 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.
  • Page 179 8-12 CAPNOMAC ULTIMA SERVICE MANUAL For monitors that contain the SpO measurement Select the “Pleth” on some waveform field in “Setup screen” menu. Check that the message “No probe” is shown when no SpO sensor is connected to the monitor.

  • Page 180: Spare Parts

    CAPNOMAC ULTIMA SERVICE MANUAL SPARE PARTS Spare parts For the locations of the main parts see Figures 9.1 and 9.2. Description Item Order No. measuring board (rev. 07 and up) 888210*** measuring board (rev. 05 and below) 875842* measuring board (25; rev. 05 and below) 879348 measuring board (rev.
  • Page 181 CAPNOMAC ULTIMA SERVICE MANUAL Power related parts Item Description Gas measurement related parts January 15th, 1997/6...
  • Page 182 CAPNOMAC ULTIMA SERVICE MANUAL Front panel related parts Item Description Order No. Rear panel related parts January 15th, 1997/6...
  • Page 183 CAPNOMAC ULTIMA SERVICE MANUAL Other external parts January 15th, 1997/6...
  • Page 184 CAPNOMAC ULTIMA SERVICE MANUAL History of ULTIMA revisions and main software codes First stage (autumn 1989) English French German 877412 875345 877340 ULT- 1 -xx-00 (dark) - - - - - - - - - - - - ULT- l-27-00 (white)
  • Page 185 CAPNOMAC ULTIMA SERVICE MANUAL January 15th, 1997/6...
  • Page 186 CAPNOMAC ULTIMA SERVICE MANUAL Service accessories Order No. Item description Extension board (lifts the board above the stack of boards to allow measurements) 872930 755582 Quick cal calibration gas Reusable gas valve 755533 874521 Flowmeter Spirometry test pump 880277 Spirometry tester...
  • Page 187 CAPNOMAC ULTIMATM SERVICE MANUAL Exploded picture of the monitor Figure 9.1 (all except -27- model)
  • Page 188 9 - 9 CAPNOMAC ULTIMA TM SERVICE MANUAL Figure 9.2 Exploded picture of the monitor...
  • Page 191 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5 - 4 Figure 5.2.1 Gas sampling system layout (without i-parameter) Table 5.1.1 Tube lengths (without i-parameter) Tube No. Part Code Note: Constriction cassettes are selected to adjust proper flow rates. See Table 5.2 for alternatives.
  • Page 192 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Table 5.1.2 Tube lengths (with i-parameter) Figure 5.2.2 Gas sampling system layout (with i-parameter) Length/mm Code Tube No. Part Note: Constriction cassettes are selected to adjust proper flow rates. See Table 5.2 for alternatives. March 1st, 1993/3...
  • Page 193 DATEX CAPNOMAC ULTlMA SERVICE MANUAL 5 - 1 2 Figure 5.5 Preamplifier parts layout and schematic diagram (board modification level 8 and higher) March 1st, 1993/3...
  • Page 194 5-20 DATEX CAPNOMAC ULTIMA SERVICE MANUAL measuring board Figure 5.10 Block diagram and schematic diagram part 1 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...
  • Page 195 5-21 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 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.
  • Page 196 5-22 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.10 SpO Measuring board block diagram and schematic diagram part 1 (board modification level 8 and higher) March 1st, 1993/3...
  • Page 197 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5-23 Figure 5.11 SpO Measuring board parts layout, timing diagram and schematic diagram part 2 (board modification level 8 and higher) March 1st, 1993/3...
  • Page 198 5-24 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.12 SpO Measuring board signal waveforms and schematic diagram part 3 (board modification level 8 and higher) March 1st, 1993/3...
  • Page 199 5-25 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.13 SpO measuring board schematic diagram part 4 (board modification level 8 and higher) March 1st, 1993/3...
  • Page 200 5-26 DATEX CAPNOMAC ULTIMA SERVICE MANUAL CPU board Block diagram and schematic diagram part 1 Figure 5.14 Figure 5.15 Parts layout and schematic diagram part 2 Jumper configuration and schematic diagram part 3 Figure 5.16 Principle of operation contains, in addition to the 8051FA CPU and the...
  • Page 201 5-27 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL Ports on the PPI is used for as follows: PB (input) PC (low input, high output) PA (output) PB0: not used (AUX) PC0: not used PA0: SpO control PB1: not used (AUX) PC1: not used...
  • Page 202 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5-28 Figure 5.14 CPU board block diagram and schematic diagram part 1 (board modification level 8 and higher) March 1st, 1993/3...
  • Page 203 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL 5-29 Figure 5.15 CPU board parts layout and schematic diagram part 2 (board modification level 8 and higher) March 1st, 1993/3...
  • Page 204 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5-30 Figure 5.16 CPU board jumper configuration and schematic diagram part 3 (board modification level 8 and higher) CONNECTOR JUMPER MEMORY TYPE X2, X4 D6 : 32k x 8 RAM D6 : 8k x 8 RAM...
  • Page 205 DATEX CAPNOMAC ULTIMA SERVICE MANUAL 5-31 Video control board Block diagram Figure 5.17 Figure 5.18 Parts layout and timing diagram Schematic diagram Figure 5.19 Principle of operation The video control board (see the block diagram) is based on an LSI...
  • Page 206 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.17 Video control board block diagram May 2nd, 1991/1...
  • Page 207 5-33 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.18 Video control board parts layout and timing diagram (board modification level 8 and higher) May 15th, 1990...
  • Page 208 5-33 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL Figure 5.18 Video control board parts layout and timing diagram November 1st, 1993/4...
  • Page 209 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL Figure 5.18 Video control board parts layout and timing diagram (Board modification level 3 and higher) June 1st, 1994/5...
  • Page 210 5-34 DATEX CAPNOMAC ULTIMA SERVICE MANUAL Figure 5.19 Video control board schematic diagram (board modification level 8 and higher) September 1st, 1992/2...
  • Page 211 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL 5-34 November 1st, 1993/4...
  • Page 212 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL 5-34 a Figure 5.19 Video control board schematic diagram (Board modification level 3 and higher)
  • Page 213 5-36 DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL Figure 5.20 Power supply board block diagram May 2nd, 1991/1...
  • Page 215 5-38a DATEX CAPNOMAC ULTIMA™ SERVICE MANUAL Figure 5.22a Transformer diagram and schematic diagram part 3 (board modification level 3 and higher) November 1st, 1993/4...
  • Page 216 DATEX CAPNOMAC ULTIMA SERVICE MANUAL D I G I T A L V A L U E S O F P R E S S U R E A N D V O L U M E 6-22 A R E O K , B U T W A V E F O R M S A R E M I S S I N G 6.4.11 PVX board troubleshooting...
  • Page 219 CAPNOMAC ULTIMA SERVICE MANUAL 12-1 APPENDICES COMPUTER OUTPUT (Serial & 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.
  • Page 220 CAPNOMAC ULTIMA SERVICE MANUAL 12-2 Serial Data String B00-string U0l-string U03-string U04-string string type string type string type string type Hours Marker no MV exp (l/min x 10) EtCO2 Minutes EtO2 (% x 10) MV insp (l/min x 10) FiCO2...
  • Page 221 12-3 CAPNOMAC ULTIMA SERVICE MANUAL ENF, ISO, HAL, DES or SEV. Three blanks when no agent is selected. Manual selection overrides the automatic selection. ,xyz, - = No identification H, E, I, D, or S = Identified gas (Halothane, Enflurane, Isoflurane, Desflurane, or Sevoflurane)
  • Page 222 12-4 CAPNOMAC ULTIMA SERVICE MANUAL 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 ’.’ below indicates a blank.
  • Page 223 12-5 CAPNOMAC ULTIMA SERVICE MANUAL For example: No pulse. Low limit set to 40 beats/min. low or high aa-alarm limit violation no longer exist in inspiration ANE/ane = ISO/iso,HAL/hal,ENF/enf ,SEV/sev,DES/des hhh = high limit lll = low limit zzz = violating value...
  • Page 224 CAPNOMAC ULTIMA SERVICE MANUAL 12-6 Message String Message strings start with a blank. Note that character ’.’ below indicates a blank. zero error Zeroing CO sensor failed zero error Zeroing O sensor failed O zero error Zeroing N O sensor failed ..AA zero error...
  • Page 225 CAPNOMAC ULTIMA SERVICE MANUAL 12-7 Table 12-1 Status Code Interpretation 1st digit = 1, and 1st digit = 2, and January 15th, 1997/6...
  • Page 226 12-8 CAPNOMAC ULTIMA SERVICE MANUAL Status code definition, cont 1st digit = 7 January 15th, 1997/6...

  • Page 227: Graphics Printer

    12-9 CAPNOMAC ULTIMA SERVICE MANUAL GRAPHICS PRINTER The CKP- 124 Graphics Printer is a Kodak Diconix 180si printer to CKP- 124 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...
  • Page 228 CAPNOMAC ULTIMA SERVICE MANUAL 12-10 Figure B.l Schematics of the isolation box (board modification level 1 and higher) January 15th, 1997...
  • Page 229 CAPNOMAC ULTIMA SERVICE MANUAL 12-11 Figure B.2 Layout and assembly of the isolation box (board modification level 1 and higher) January 15th, 1997/6...
  • Page 230 12-12 CAPNOMAC ULTIMA SERVICE MANUAL TRILINGUAL LIST OF ERROR MESSAGES English French German AIR LEAK FUITE D’AIR SYSTEM OFFEN OCCLUSION OCCLUSION VERSTOPFUNG APNEA APNEE APNOE FiO2 < 18% FiO2 < 18% FiO2 < 18% FiN2O > 82% FiN2O > 82% FiN2O >...
  • Page 231 CAPNOMAC ULTIMA™ SERVICE MANUAL 12-13 January 15th, 1997/6...
  • Page 232 1 2 - 1 4 CAPNOMAC ULTIMA SERVICE MANUAL Leck Leak Fuite Diskonn Disconn Deconn. Obstr Obstr. Obstr January 15th, 1997/6...

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