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Date:

4-Feb-2002 

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\\Cad 3\c\1 JONS ARCHIVE\8500archive\circuit diagrams\10110077-4\10110077-4.DDB

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/MUTE
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74HC574

BAV CONTROLLER TYPE 2

I/O CIRCUITS

10110077

4

PL250

PL246

PL247

A4

Summary of Contents for 8500

Page 1: ...8500 Ventilator Training Manual 1 Blease 8500 Anaesthesia Ventilator Training Manual Part Number 129TM000 Issue 3 0120 ...

Page 2: ...8500 Ventilator Training Manual 2 Read this manual before servicing the 8500 Ventilator ...

Page 3: ...500 Electrical Interconnection 6500 8500 Pneumatic system Diagram Display Blease Display Interface 10100190 Pressure Interface Pressure Interface 10110088 BAV Controller BAV Controller Type 2 Alarms 10110077 BAV Controller Type 2 Analogue 10110077 BAV Controller Type 2 Connect 10110077 BAV Controller Type 2 CPU 1010077 BAV Controller Type 2 I O Circuits 10110077 BAV Controller Type 2 Memory 101100...

Page 4: ...ualified Service Personnel and genuine spare parts should be used for all servicing and repairs Blease Medical Equipment Limited will not otherwise assume responsibility for the materials used the work performed or any pos sible consequences of the same In communication with Blease Medical Equipment Limited quote the model and serial number of the equipment with the approximate date of purchase If...

Page 5: ...t the set value has not been maintained The alarm will activate at 50 of the set value The activation of a set value will be made by pressing the Trak Wheel If this is not done no change will be made and the previous value will be reset after a time out period This is to apply to all controls The implication of PEEP on other alarms is that the Pressure and cycle alarms will be PEEP referenced the ...

Page 6: ...ystem will not cause a permanent change in the delivered volume If a change in fresh gas flow rate oc curs during ventilation the ventilator will re adjust the delivered tidal volume to be correct within the next 4 breaths 8500s Ventilator Fresh Gas and Compliance Compensation Fresh Gas Fresh gas flow adds to the delivered Tidal Volume during the inspiratory period To com pensate for this a reduct...

Page 7: ...e taper on the gas machine 3 The ventilator then delivers a breath to pressurize the system to 10 cmH2O 4 The ventilator records the volume required to achieve this pressure and verifies that a leak is not present The dead space is now calculated as follows Volume in ml Dead space compliance Cs Pressure This figure is stored until the ventilator is switched off or a re test is asked for by the use...

Page 8: ...of the display Sigh Sigh is a function that can be selected in volume or Pressure ventilation the effect is that every 50 breaths the delivered breath is increased by 15 The selection of this function will be displayed as an extension to the main mode display under the bar graph Spontaneous or PSV Spontaneous is a mode that is equivalent to the machine being in standby with all moni toring enabled...

Page 9: ...thing rate In this way a patient could be breathing at say 12 BPM with the settings such that 4 breaths of say 500 ml are mandatory and 8 breaths are taken spontaneously with pressure support of up to 30 cmH2O above the PEEP level The ventilator will monitor all of the breaths display the parameters TV BPM I E and in dicate the patient attempt by showing negative excursions of the graph in RED The...

Page 10: ...looking for a patient trigger If a trigger occurs within the window the patient will be given a synchronised mechanical breath If it occurs outside the window it will be a sponta neous or Pressure Supported spontaneous breath depending on the ventilator set ting In practical use of the SIMV mode the ventilator should first be set at an adequate RATE TIDAL VOLUME I E RATIO PEEP and PRESSURE LIMIT f...

Page 11: ... 50 4 10 4 55 Paed 150 ml 20 1 5 40 1 6 4 45 Support Pressure Rate Alm Lo Hi Vol Alm Lo Hi Press Alm Lo Hi Adult 10 5 25 4 10 4 50 Paed 10 10 35 1 6 4 40 Mode Sigh Pause Press SuppPEEP MV Alm Rate Alm Press Alm CMV ü ü ü ü ü ü ü ü ü ü Spont ü ü ü ü ü ü ü ü ü ü ü ü SIMV ü ü ü ü ü ü ü ü ü ü ü ü PCV ü ü ü ü ü ü ü ü ü ü CMV Defaults at start up Matrix of Modes Facilities and Alarms Spontaneous Default...

Page 12: ...essure Rate Press Alm Lo Hi Adult 30L 30 12 4 50 Paed 20L 20 20 4 40 Spontaneous with Pressure Support Defaults at start up Pressure Control Ventilation Defaults at start up Default for all Modes is PEEP off in PCV the maximum PEEP available will be limited to 6 cmH2O If PEEP is set the default PEEP Alarm will be 50 in the range 0 to 30 cmH2O The Rate or BPM alarm is to be the set value 50 or in S...

Page 13: ...OVERVIEW The following procedure describes the adjustments and checks necessary to calibrate the ventilator and set all the pre set controls to achieve the specified performance Inability to make these adjustments or failure to meet the specification after these adjustments have been made must be considered a fault The procedure given in section 4 is written so that minimum adjustment of controls ...

Page 14: ...ion Adjustment 4 18 Parameter Checking 4 19 Assembly Completion and burn in 4 1 Test Apparatus Digital Voltmeter to measure the 4v reference supply Timeter RT 200 Calibration Analyser with following options fitted RT 201 Control Module RT 202 Press Module RT 203 Flow Module or another calibrated calibration analyser with the required functionality IBM PC compatible ANSI terminal emulator running o...

Page 15: ...lied switch ventilator ON in standby mode Check the following voltages are correct before proceeding any further 24V Valve supply PSU TP6 25 0 2 0V 25V unregulated PSU TP2 26 5 3 0V Battery voltage PSU TP4 14 0 0 8V A 5V analogue supply CPU 5VA 4 20 0 3V A 5V analogue supply CPU 5VA 5 0 0 25V ALM 5V alarm supply PSU TP7 5 0 0 25V D 5V logic supply CPU 5V 5 0 0 25V 6V main supply PSU TP3 6 05 0 3V ...

Page 16: ... Re program Connect the ventilator serial cable 12600015 between the calibration port connector on the back panel of the 8500 a PC Run the flash for front and back utility under windows on the PC select the A20 absolute opcode file followed by open to download the file Enter the save menu on the 8500 select configuration and enter the password PRAAA in the set up menu Select re program 4 6 Main Pn...

Page 17: ...functions Note to run the Blease Medical Test I O Diagnostics connect the ventilator serial cable between the recorder output connector on the back panel of the 8500 a PC Run Hyper Terminal on the PC using the stored 8500 HT settings file Press CTRL E on the PC followed by the up cursor key Page through the diagnostics using the TAB key scroll through using the UP DOWN cursor keys On page 1 set ga...

Page 18: ...sing it to 80 mmHg and checking that the pressure is maintained Drive Flow Sensor Leak Test Note to run the Blease Medical Test I O Diagnostics connect the ventilator serial cable between the recorder output connector on the back panel of the 8500 a PC Run Hyper Terminal on the PC using the stored 8500 HT settings file Press CTRL E on the PC followed by the up cursor key Page through the diagnosti...

Page 19: ...pace bar to start auto find A series of dots will appear in the value field Once the lowest achievable flow has been discerned the relevant value will replace the dots Select Min flow available use right cursor enter peak value from the monitor Select Flow valve on full ref value Press space bar to start auto find A series of dots will appear in the value field Once the highest achievable flow has...

Page 20: ...or connected to the test lung C20 compliance R20 resistance via the high flow port on the monitor check the default values are set to TV 500ml rate 12 BPM and Ratio 1 2 0 Change mode from cal standby to cal mode By pressing STBY ON switch Select Flow gas pressure gain for a delivered output volume of 470ml TV Adjust the tidal volume setting until 470ml is monitored on the external monitor not the ...

Page 21: ...ero field and press spacebar to set value Set 10 LPM fresh gas flow highlight Fresh gas flow gain 10 L M field and press spacebar to set value Press Ctrl U to save values Press Ctrl E to exit calibration page Ensure that the unit is standby Press the memory button then select configuration Select setup and enter password TECHY Select fresh gas Ensure there is no flow through fresh gas flow sensor ...

Page 22: ...ration Set the O2 sensor simulator to 100 Select the oxygen figure use the trakwheel to change the number to 100 Push the Trak wheel to accept Return to main screen Set O2 sensor simulator to 50 check display reads 50 2 Set O2 sensor simulator to 21 check display reads 21 2 Disconnect the O2 sensor simulator Check the display shows OFF 4 16 PEEP Calibration Put unit into run mode Connect a scope p...

Page 23: ...sia Ventilator Bellows and Absorber Driving Gas Short Hose Hi Flow Outlet Hi Flow Inlet Patient Circuit Fresh Gas Sensor Patient Flow Sensor If adjustment of the displayed Vte Vti and Peak pressure is required the calibration values can be adjusted by pressing the save key and selecting configuration then setup enter the password PRAAA This disables the alarms and replaces the alarm panel with a n...

Page 24: ...v Set Tv 0 03 Set Tv 0 5 BPM 12 I E 1 2 Measured Tv Set Tv 0 05 Set Tv 0 8 BPM 10 I E 1 2 Measured Tv Set Tv 0 05 Set Tv 1 0 BPM 6 I E 1 1 0 Measured Tv Set Tv 0 05 Also confirm that the ventilator monitored peak pressure the externally monitored peak pressure 2cmH2O 4 19 Assembly Completion and burn in At this point the case wrap should be put on the unit and the unit should be put on burn in for...

Page 25: ...uipot Continuity 0 2R Earth Leakage Normal 500µA Reverse 500µA Supply sfc Normal 1000µA Reverse 1000µA Vac Mohm Ohms Ohms µA µA µA µA 5 4 Fresh Gas Leak Test Fresh gas alarm Tv 0 5 Lpm Fresh gas alarm Tv 0 25 Lpm P F P F P F P F P F P F 5 5 Printer Out Pressure high low lim 20 prod model Batch no manu cal date soft vers cal gas option defaults pressure zero 0 1 flow zero 0 5 Lims 1 8500 pressure l...

Page 26: ...5 12 Pat pressure Alarms 1000 ml 12 BPM 1 1 0 Delivered peak pressure 2 vent monitored peak 1 vent monitored mean Pressure high 2 and low 1 limit alarm settings cm H2O cm H2O cm H2O 5 13 Adult 50 cm H2O pressure limit 1200 ml 10 BPM 1 2 0 cm H2O 5 14 Apnoea Alarms Apnoea disconnection time sens input pressure limit max 30 seconds 5 15 Vent Cycle Alarm 20 BPM disconnection time sens input seconds 5...

Page 27: ...elivered Peak Value 1 Return to default cm H20 cm H20 P F cm H2O cm H2O P F 5 20 PEEP 500ml 12 BPM 1 2 0 Delivered minimum pressure value 2 monitored PEEP value 1 Set 3 cmH20 Set 20 cmH20 Set 10 cmH20 PEEP set to OFF cm H2O cm H2O cm H2O P F 5 21 Hardware Pressure Overload Cm H2O 5 22 Fresh Gas 0 1 3 5 10 LPM LPM LPM LPM LPM 5 23 O2 Test 100 50 21 OFF P F 5 24 Absorber Language O E M Y N Lang Name...

Page 28: ...ons of this document are Section 4 Test Limits Specification Section 5 Test Procedure Section 6 Using the Calibration Analyser Section 4 contains the test limits for the final calibration checks The test results noted for section 5 on the checklist and calibration record 129TC000 must be compared against these test limits for conformity Section 5 gives details of the test and calibration to be don...

Page 29: ...00 µA Revs leakage 500 µA O C norm leakage 1000 µA O C revs leakage 1000 µA 5 8 Mute ON Mute times 120 2 sec 5 9 Supply alarm ON Supply gas pressure 34 5 36 0 psi Supply alarm OFF Supply gas pressure 36 0 psi 5 10 6 BPM 1 1 0 1 0 L delivered TV 0 93 1 07 L 10 BPM 1 2 0 1 0 L delivered TV 0 95 1 05 L 20 BPM 1 3 0 6 L delivered TV 0 55 0 65 L 20 BPM 1 2 0 2 L delivered TV 0 17 0 23 L 60BPM 1 1 0 0 2...

Page 30: ... 2 5 12 Patient Pressure vent monitor peak Delivered peak 1 5 Calibration vent monitor mean 20 3 cmH2O Pressure high alarm High alarm setting Delivered peak 2 Pressure low alarm Low alarm setting Delivered peak 2 5 13 Adult Pressure Limit 50 cm H2O set 50 2 cm H2O 5 14 Apnoea Alarm Sensor disconnection time 30 5 sec 5 15 Cycle Alarm Sensor disconnection time 8 1 sec 5 16 Max TV Delivered TV 1 00 0...

Page 31: ...erterminal should be set up as follows 9600 baud 1 start and stop bit 8 data bits No handshaking is used File should be saved as 8500 HT for further ref Electrical Safety Tester for earth leakage and continuity checks Stop Watch or other timepiece to measure up to 180 seconds 5 0 25 L compliance 20 1 L compliance 50 2 5 L compliance 20 2 cm H2O resistance Miscellaneous air and oxygen supply hoses ...

Page 32: ...nd model Factory test does not require cover and lid at the initial stage Visually inspect the overall machine for any defects In particular check The mains cable is firmly attached to the ventilator and locked in place The correct mains plug is fitted for the country The supply gas inlet is for oxygen unless specified differently and orientation is such as to show gas type uppermost Note USA or U...

Page 33: ... electrical safety tester Normal Operate Reverse switch to Normal and note the earth leakage current Then set to Reverse and again note the earth leakage current 7 Supply o c Earth Leakage Obtain the two earth leakage readings as in operation 6 Normal and Reverse 5 4 Fresh gas leak test Connect spirometry tubing 10110089 from TJ92 to the fresh gas connections on the rear of the ventilator Each sid...

Page 34: ...ns supply and check that the battery on charge indicator turns on and the mains fail indicator turns off 5 7 Compliance test Conect the ventilator using the relevant tubes occlude the patient airway sensor Switch the ventilator on and say yes compliance compensation Follow the on screen instructions If the compliance and leak tests are passed it is unlikely that there are any internal leaks Absorb...

Page 35: ...500 is 1 5 Min ratio for the 8500 is inverse 2 1 5 11 Expired Volume and Alarms Set ventilatory controls to MV TV 10L 1000ml Freq 10 BPM Ratio 1 2 0 After one minute note the ventilator monitored MV and TV Reduce MV TV to 4L 200ml and increase frequency to 20 BPM Press the Alarm menu button choose Alarm Limits and set MV Low alarm at 2 Open a small leak in the airway and verify the MV low alarm tu...

Page 36: ...V TV 12L 1200ml Freq 12 BPM Ratio 1 2 0 Set pressure limit to 50 cm H20 and note the delivered peak pressure after several breaths Verify the pressure high alarm activates for a short period as the ventilator pressure cycles into expiration 5 14 Apnoea With the ventilator running normally disconnect the lower female patient flow input just as expiration starts and note the time when the apnoea ala...

Page 37: ... 2 5 Note bellows movement Set ventilatory controls to TV 2L 200ml Freq 10 BPM Ratio 1 2 0 Note bellows movement 5 17 Paediatric Pressure Limit Set ventilatory controls to TV 6L 200ml Freq 30 BPM Ratio 1 2 0 Set pressure limit to 20 cm H2O and note the delivered peak pressure after several breaths Note the bellows position Disconnect lower patient airway connector Note peak pressure Switch the ven...

Page 38: ...s breathing and all associated alarms sound Return trigger point to 5 check that alarms clear and 8500 runs as normal 5 19 PCV Test Set vent mode to PCV With default set up note the delivered peak pressure and the monitored peak pressure Increase the pressure limit to 30 Again note the delivered and monitored peak pressures Return to default settings and ensure that they are achieved Change the mo...

Page 39: ...entilator in Adult CMV mode with settings at default connect to a C5 lung Run the Test I O diagnostics as described in Section 5 4 Position the cursor on line 1 of page 1 to disable software limiting Increase delivered volume until the hardware pressure limit is triggered Note the peak delivered pressure Press CNTL E to exit the PC calibration screen 5 22 Fresh Gas With the unit in STANDBY set flo...

Page 40: ...tolerances as specified in section 4 Sign off the Checklist and Calibration Record and the customer printout Ensure both have the ventilator serial number date and signature of final tester etc If the original sticker over the hole in the calibration port on the rear of the ventilator was removed replace with a new calibration void sticker Attach the required notification to the ventilator which s...

Page 41: ...Description Notes 12900001 8500 90 260 Vac Adult USA O2 Driven 12900002 8500 90 260 Vac Paed USA O2 Driven 12900003 8500 90 260 Vac Adult UK O2 Driven 12900004 8500 90 260 Vac Paed UK O2 Driven 12900005 8500 90 260 Vac Adult USA Air Driven 12900006 8500 90 260 Vac Paed USA Air Driven 12900007 8500 90 260 Vac Adult UK Air Driven 12900008 8500 90 260 Vac Paed UK Air Driven ...

Page 42: ...48 Lpm Actual 0 48 x 1 0 0125 0 486 Lpm Where MEAN PRES is the breath mean pressure in cm H2O while there is measurable flow This formulae must be applied to ALL the Calibration Analyser volume readings BEFORE they are written on the Checklist and Calibration Record For example given an indicated volume of 1 13 Litres and a mean breath pressure of 30 cmH2O The actual volume would be 1 13 1 30 1000...

Page 43: ... the ventilator has anything more than a few cmH2O of CPAP pressure the Peak Pressure function on the Timeter will NOT operate It will sit there forever showing the last peak pressure measured 6 3 Timeter Zeroing and Power Up When the Timeter is first switched ON its sensors and electronics will need to be zeroed before the Function Codes will operate This is simply done by pressing the Zero butto...

Page 44: ...d as shown below All other Calibration Analyser connections should be left open to atmosphere 20R Resistor 20 L Compliance 12600010 Calibration Analyser Fresh gas is set for minimum required to maintain full bellows 0 5 l min Lo pressure Inlet P Anaesthesia Ventilator Bellows and Absorber Driving Gas Short Hose Hi Flow Outlet Hi Flow Inlet Patient Circuit Fresh Gas Sensor Patient Flow Sensor ...

Page 45: ...mains transformer and rechargable battery with circuits identical to that used in an 8500 Anaesthetic Ventilator Hence any results noted will accurately reflect the board operation when it is eventually fitted into a ventilator Most of the testing uses an external DC variable supply this avoids the need for a Variac and also allows current limiting to be used WARNING WHEN POWERING UP A BOARD FOR T...

Page 46: ...ale 4 3 Top Charge The Top Charge switch on the jig only functions when the simulated battery is selected A passive circuit is used that kicks the board charger into continuous top charge mode as the switch is toggled down It causes an increase in the charger load and also a temporary drop in voltage in the battery simulated If this does not work the switch needs to be returned to the up position ...

Page 47: ...il any areas that have been reworked repaired for any defects check the boards and assembly against the production drawings in particular the issue check all connectors are firmly seated Check all integrated circuits which have been fitted into sockets are correctly fitted Right way round no bent pins etc check all links are fitted correctly LK1 is open LK2 and LK3 both have shorting links fitted ...

Page 48: ...o 0 Vdc and note the four supply voltages stated 5 7 Alarm Operation Toggle the jig ALARM SOUND switch to ON and verify the audio transducer on the board under test operates loudly 5 8 Alarm Backup Toggle the jig 24V RELAY switch to OFF and verify the volume of the alarm reduces by about half and that the REGUL 24V supply turns OFF Note the two supply voltages stated 5 9 Alarm Links Remove link 3 ...

Page 49: ...arly illuminated as the adjacent JIG SUPPLY lamp Note the supply voltage to the board under test as shown on the UNREG 25V meter is protected by thermistors These may trip if the board is allowed to run at full load for any length of time particularly when running from AC To regain normal operation turn OFF the jig external DC and mains supplies for a couple of minutes 5 12 Unregulated Supply Resu...

Page 50: ...TP078 Sheet 1 of 1 Issue 1 Change Note No n a Originator AA Checked Date BLEASE QUALITY DOCUMENT BQD 083 V2 25 5 94 The front panel for the 8500 Anaesthesia Ventilator is functionally checked as part of the test procedure for the controller See test procedure 129TP077 ...

Page 51: ...1011SM02 REMOVE ALL BURRS AND SHARP CORNERS Blease DRG No DO NOT SCALE IF YOU HAVE ANY DOUBTS PLEASE ASK ...

Page 52: ...00076 2 5 7 BAR 36 101 psi INLET SUPPLY GAS REGULATOR MAIN 34 5 psi FLOW CONTROL VALVES PT4 10110075 PRESSURE INTERFACE BOARD PRESSURE FLOW INSPIRATORY DRIVE PT2 PNEUMOTACHOGRAPH VALVE EXPIRATORY SOLENOID VALVE DUMP PRESSURE PATIENT PT5 75cmH2O VALVE RELIEF EXHAUST PORT PORT OUTLET GAS DRIVE 1 1 1 00 JLB 1011SM03 1 PL4 PL8 VALVE PEEP AIRWAY FLOW PATIENT GAS FLOW FRESH PT1 PT3 SENSOR INLET AIRWAY F...

Page 53: ...K87 R15 10K0 L2 100uH C4 12u L3 100uH C11 10u 3 2 1 IC4 LM317AT R17 4K75 R18 240R C13 10u TR3 ZTX650 TR4 ZTX650 1 PL4 1 2 PL4 2 1 PL5 1 2 PL5 2 D7 IN4002 D8 IN4002 D9 1N4448 1 3 2 IC5 LM341P5 C12 10u 1 PL2 1 3 PL3 3 4 PL3 4 R1 1K50 R2 1K50 D15 1N4002 C18 10u 4 PL2 4 6 PL2 6 8 PL2 8 10 PL2 10 2 PL1 2 4 PL1 4 6 PL1 6 8 PL1 8 R25 475R TO220 3P RL2 RY6 10 006 R34 100R R35 1K00 C20 1n C21 1n R36 1K00 1...

Page 54: ...B MC74HC14AD C19 2u2 63V GND 1 TP9 TPOINT ALARM5 PWR_FAIL 5 6 U42C MC74HC14AD ALARM4 Pressure Low Display Power Fail LED Mute LED 1 2 3 U40A MC74HC02D ALARM3 Mute Audio C20 100u 25V GND D19 BAR42 VCC VCC 3 2 1 8 4 U32A LMC662CM 5VALM GND GND GND C21 2u2 63V 1 TP10 TPOINT 8 9 U42D MC74HC14AD 8 9 10 U54C MC74HC132AD 11 12 13 U54D MC74HC132AD 4 5 6 U40B MC74HC02D 8 9 10 U40C MC74HC02D 11 12 13 U40D M...

Page 55: ...shgas Flow PL322 PL321 EXTPRS EXTFLW AGND 5VA 5VA 5VMAG 5VALM VCC 6V PL3 1 26 PL15 PL124 SBAT SWBAT 25V 24V PL113 PL116 PL3 1 26 PL2 1 50 PL320 PL319 PL318 Patient Pressure Drive Pressure Flow Pressure D4 BAR42 D5 BAR42 D6 BAR42 AGND PL22 PL21 3 2 1 8 4 U27A LT1078CN8 5 6 7 U27B LT1078CN8 5 6 7 U28B TLC27L2CD 3 2 1 8 4 U28A TLC27L2CD D7 BAR42 4VREF AGND 5VA 5VA AGND 4VREF GND RC 2 C 1 A 4 B 5 CLR ...

Page 56: ...7 7 GND 8 VCC 9 O7 10 O6 11 O5 12 O4 13 O3 14 O2 15 O1 16 U59 ULN2003 1 TP13 TPOINT 1 TP14 TPOINT 1 TP15 TPOINT 1 TP16 TPOINT 1 TP17 TPOINT UC1 1n UC2 1n UC3A 1n UC4 1n UC5 1n UC6 1n UC7 1n UC8 1n UC9 1n UC10 1n UC11 1n UC12 1n UC13 1n UC14 1n UC15 1n UC16 1n UC17 1n UC18 1n UC20A 1n UC21A 1n UC22A 1n UC23A 1n VCC GND Power supply decoupling adjacent to I C of same number VCC GND UC26 1n UC33 1n U...

Page 57: ...ND R97 10K VCC 8 U5 12 288MHz SCC10 SCC11 SCC14 SCC16 SCC20 SCC21 SCC25 SCC26 SCC34 SCC36 SCC20 SCC21 SCC25 SCC24 C1 4u7 63V C2 10u 50V C3 10u 50V C4 4u7 63V GND VCC PL3 1 26 PL312 PL314 PL311 PL313 TXD DTR RXD CTS CLK 3 D 2 SD 4 CD 1 Q 5 Q 6 U7A MC74HC74AD VCC VCC 1 3 5 7 2 4 6 8 RP1 10K 1 3 5 7 2 4 6 8 RP2 10K 1 3 5 7 2 4 6 8 RP3 10K 1 3 5 7 2 4 6 8 RP4 10K VCC 1 3 5 7 2 4 6 8 RP5 10K GND 1 3 5 ...

Page 58: ...3 A2 A 1 B 2 C 3 E1 4 E2 5 E3 6 Y0 15 Y1 14 Y2 13 Y3 12 Y4 11 Y5 10 Y6 9 Y7 7 U46 MC74HC138AD D1 2 D2 3 D3 4 D4 5 D5 6 D6 7 D7 8 D8 9 Q1 18 Q2 17 Q3 16 Q4 15 Q5 14 Q6 13 Q7 12 Q8 11 E1 1 E2 19 U47 MC74HC540DW GND D7 D6 D5 D4 D3 D2 D1 D0 PL2 1 50 PL2 1 50 PL29 PL210 PL211 PL212 PL215 PL216 PL217 PL218 PL219 PL220 PL221 PL222 GND PL213 STRB1 STRB2 STRB3 STRB4 STRB5 GND CS 0 3 A 1 19 CS 0 3 A 1 19 D ...

Page 59: ... 12 Y1 11 Y2 10 Y3 9 U14B MC74HC139AD A0 12 A1 11 A2 10 A3 9 A4 8 A5 7 A6 6 A8 27 A7 5 PGM 31 OE 24 CE 22 A18 1 A17 30 A16 2 A15 3 A14 29 A13 28 A12 4 A11 25 A10 23 O0 13 O1 14 O2 15 O3 17 O4 18 O5 19 O6 20 O7 21 A9 26 U12 SKT For AM29F010 70PC A0 12 A1 11 A2 10 A3 9 A4 8 A5 7 A6 6 A8 27 A7 5 PGM 31 OE 24 CE 22 A18 1 A17 30 A16 2 A15 3 A14 29 A13 28 A12 4 A11 25 A10 23 O0 13 O1 14 O2 15 O3 17 O4 1...

Page 60: ...13 D14 D15 D 0 15 3 4 U41B MC74HC14AD EN_SOL 5 6 U41C MC74HC14AD 8 9 U41D MC74HC14AD R47 100K C17 22u 50V GND VCC R48 100R D14 BAR42 RESET Dump Solenoid Valve 15HZ 3 2 1 8 4 U29A LMC662CM C46 470n16V R49 100K 5VA 5VA 5VA 1 TP5 TPOINT VCC GND D7 D6 D5 D4 D3 D2 D1 D0 A 1 19 A 1 19 A1 A2 DACSTRB DACCS 3 2 1 8 4 U30A LMC662CM 3 2 1 8 4 U31A LMC662CM 5 6 7 U30B LMC662CM 5 6 7 U31B LMC662CM 5VA 5VA 5VA ...

Page 61: ... a short across PT3 during Auto Zero this allows the differential pressure to equalise PT5 is the Patient Pressure gauge PT2 measures the Drive Gas Flow via the sensor in the main pneumatic block PT4 measures the Drive Gas Pressure via a port in the main pneumatic block PT1 measures the Fresh Gas Flow via a sensor in the common gas outlet of the Anaesthesia system PT3 measures the Patient Gas Flow...

Page 62: ... 3 Z 4 W 5 VP 6 X2 7 X1 8 Y1 1 IC7 AD835 R41 3K9 R46 20K R42 10K R28 20K R32 2K R26 20K R40 10K D4 BAS16 D2 BAS16 C35 1N C27 100N C29 100N C32 4 7uF C26 4 7uF AGND 5V 5V AGND 5V AGND 5V R45 20K AGND AGND R35 20K R36 20K R31 100 R50 390 C43 10N 600mV offset 2 5 volt offset 2 of 3 Pressure Interface RHC IRBW 4VREF Patient Flow Fresh Gas Flow 5V 5V 4VREF AGND C2 100N C1 100N C39 100N C38 100N C6 100N...

Page 63: ...5 1K2 R20 1K2 R4 100K C14 100N C13 100N 4VREF 5V AGND 5V PT5 DUXL30D R24 100K R16 75K R17 33K R8 1K2 R21 1K2 R11 100K C17 100N C16 100N 4VREF 5V AGND 5V Pressure Interface 3 of 3 RHC IRBW Drive Flow Drive Pressure Patient Pressure 5V 5V 4VREF AGND C3 100N C4 100N C5 100N C24 100N C20 100N C7 100N C18 100N C22 100N C25 100N AGND AGND 5V 5V 4VREF 4V 4V 3 10110088 3 2 1 8 4 IC2A LT2078CS8 6 5 7 IC2B ...

Page 64: ... PL3 RX1 6 PL3 6V 7 PL3 AGND 8 PL3 FGZ 9 PL3 TX1 FL12 1n FL8 1n FL6 1n FL5 1n FL9 1n FL4 1n FL11 1n FL7 1n to PL4 on CPU board 26 way Transition 25 way D Socket DCE Spec 4VREF AGND 9 way D Plug EXTRN OUT Patient Flow Fresh Gas Flow Fresh Gas Flow Patient Flow Pressure Interface 1 of 3 RHC IRBW 1 2 3 4 5 RP1 4 4K7 C60 100N C61 100N C59 100N C62 100N R52 47K R51 47K R54 47K R53 47K R55 47K C46 47N C...

Page 65: ...TR1 CTS1 RxD1 RxD0 TxD1 TxD0 EN211 SHDN211 EN211 DTR0 CTS0 DTR0 CTS0 A16 A17 CS4 CS4 CS4 CS4 A19 A19 A19 A20 CS0 4 5 6 10 9 8 13 12 11 1 2 3 Vcc 14 GND 7 U14 A 1 B 2 C 3 E1 4 E2 5 E3 6 Y0 15 Y1 14 Y2 13 Y3 12 Y4 11 Y5 10 Y6 9 Y7 7 VCC 16 GND 8 U15 A18 GND VCC D0 D1 D2 D3 D4 D5 D6 D7 VCC OC 1 CLK 11 1D 2 2D 3 3D 4 4D 5 5D 6 6D 7 7D 8 8D 9 1Q 19 2Q 18 3Q 17 4Q 16 5Q 15 6Q 14 7Q 13 8Q 12 GND 10 VCC 2...

Page 66: ... D2 D6 BAR43S 3 2 1 4 11 U32A R154 R155 VCC VCC C9 C10 C11 C12 C13 VCC GND GND GND DA1 DA1 AVCC R70 R71 R72 R73 2 1 J8 AGND 5 6 7 U32B R139 R140 R141 R142 C44 R150 AGND 10 9 8 U32C R84 R85 C53 R86 AGND 12 13 14 U32D R87 R88 C54 R89 AGND AVCC 5 4 3 2 1 J7 AGND 5 way 0 1 Header Spare Analogue Inputs rfi RFF1 rfi RFF2 rfi RFF3 2 way 0 1 Buffered D A Output rfi RFF4 rfi RFF5 rfi RFF6 rfi RFF7 rfi RFF8...

Page 67: ...0 DACWR GPIO7 99 DACP0 GPIO6 98 COREVDD 97 U23 SED1354 A0 A20 A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19 A20 CS5 CS5 M R M R AS AS WR RD RD WR LWR LWR RESET RESET WAIT WAIT GPIO0 SB1 SB2 SB3 SB4 NC 12 NC 11 I O7 10 I O6 9 I O5 8 I O4 7 VCC 6 I O3 5 A8 27 A7 26 A4 23 A6 25 I O2 4 A9 28 OE 29 I O1 3 VSS 22 A5 24 LCAS 31 NC 32 WE 13 RAS 14 A11 15 A0 17 A1 18 A2 19 A3 20 VCC...

Page 68: ...5 4 3 2 1 J12 10 WAY DIL HEADER 5 2 3 4 1 SW1A 1 2 3 4 5 SW1B PL1 R80 R81 GND BATLOW EP1 L3 7uH 12V 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 J16 34 WAY HEADER MS30 MS31 MS28 MS32 MS34 MS27 MS29 MS30 MS31 MS28 MS32 MS34 MS27 MS29 MS33 MS33 PSU PSU PSU PWRFAIL PWRFAIL PWRFAIL EXPVOL DRVPRS DRVPRS FLWPRS FLWPRS PATPRS PATPRS BATONCHG BATONCHG BATONC...

Page 69: ... D0 D7 A0 A5 U15 Y2 RD WR R108 RES2 VCC U5 P8 0 XT3 CRYSTAL 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J21 HEADER 8X2 T2 1 T1 2 R2 3 R2 4 T1 5 R1 6 R1 7 GND 8 VCC 9 C1 10 V 11 C1 12 C2 13 C2 14 V 15 R4 16 R4 17 T2 18 T3 19 T4 20 T4 21 R3 22 R3 23 T3 24 232 INPUTS 232 OUTPUTS U44 AMD208E GND GND GND GND VCC 1 2 3 4 5 6 7 8 9 10 J17 HEADER 10 1 2 3 4 5 6 7 8 9 10 J18 HEADER 10 1 2 3 4 5 6 7 8 9 10 J19 H...

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