Datex-Ohmeda S/5 M-PT Technical Reference Manual Slot Download Page 37 | Manualshive

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Datex-Ohmeda S/5 M-PT Technical Reference Manual Slot Download Page 37

Pressure Module, M-P and Pressure Temp Module, M-PT

Document No. 800 1013-1

33

7

EARLIER REVISIONS

This manual also supports M-P revisions 02 and 03.
For service information on the earlier revisions, please refer to:

P Module revision 00

Service Manual p/n 880850

P Module revision 01

Service Manual p/n 882580

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Summary of Contents for S/5 M-PT

Page 1: ...o change without notice Document No 800 1013 1 June 2001 Datex Ohmeda Inc 3030 Ohmeda Drive 53707 7550 MADISON WIS USA Tel 1 608 221 1551 Fax 1 608 222 9147 www us datex ohmeda com Datex Ohmeda Divisi...

Page 2: ......

Page 3: ...d pressure 4 2 1 2 Temperature 4 2 2 Main components 4 2 2 1 PT board 6 2 3 Connectors and signals 10 2 3 1 Module bus connector 10 2 3 2 Front panel connectors 11 2 3 3 Other connectors 11 3 Service...

Page 4: ...PT Rev 02 31 6 1 9 Front panel stickers for AS 3 modules square buttons 31 6 1 10 Front panel stickers for S 5 modules round buttons 31 7 Earlier Revisions 33 APPENDIX A 35 Service check form A 1 TABL...

Page 5: ...es are single width plug in modules designed for use with the S 5 monitors Both modules provide invasive pressure measurement Additionally the M PT module provides temperature measurement The M PT mod...

Page 6: ...pper limit is adjustable between 10 and 300 mmHg in steps of 10 Lower limit is 10 of selected upper limit below zero Sweep speed 12 5 25 50 mm s DIGITAL DISPLAY Range 40 320 mmHg Resolution 1 mmHg WAV...

Page 7: ...and P1 digital displays are averaged over 5 seconds and updated at 5 seconds intervals All other pressures have respiration artifact rejection NOTE The accuracy of the measurement may be different fr...

Page 8: ...resistor and measuring the current that flows through it Applying a constant current to flow through the resistor and measuring the voltage that is generated across it In S 5 module the two methods ar...

Page 9: ...through RS485 serial interface The power supply voltages to the module are generated in the power supply section of the monitor s Central Unit All electrical connections between the module and the Ce...

Page 10: ...ature sensors non volatile memory Figure 3 PT board block diagram ECG and pressure signal prosessing The PT module has the Signal Out connector for output of analog ECG and pressure signals The analog...

Page 11: ...depends on blood pressure and input supply voltage is calculated using the following formula Uout Uin Pressure 5 V where Uin 5 V Uout 25 V Pressure mmHg Pressure amplification is performed by the ins...

Page 12: ...ditionally there is an auxiliary logic power reset which keeps the reset active for about 500 ms despite the state of reset in the module bus A time constant determines the power up reset time There a...

Page 13: ...ed from 15 Vdirty voltage from the Central Unit Power supply is a switched mode circuit where FET transistor switch is controlled by an oscillator using bipolar timer The frequency of the oscillator i...

Page 14: ...No I O Signal 1 I RESET_RS485 2 I 15 VDC 3 I 15 VDIRTY 4 I 15 Vin 5 I O NDATA_RS485 6 I O DATA_RS485 7 Ground 8 I NRESET_RS485 9 I CTSB 10 O RTSB 11 I RXDB 12 O TXDB 13 Ground 14 I 32 VDIRTY 15 I Gro...

Page 15: ...nnected 9 Ground 10 Cable detection Signal out connector Sync out Pin No Signal 1 ECG out 1 V 1 mV 2 Pressure out 1 V 100 mmHg 3 ECG out 1 V 1 mV 4 Ground NOTE The ECG out signal is not available with...

Page 16: ...in the M PT module there are the following connectors connected on the board in addition to X1 and X4 Signal out connector X5 Pin No board Pin No fr panel Signal Notes 1 ECG OUT ECG to e g IABP 2 N C...

Page 17: ...te procedures for a service check The service check is recommended to be performed after any service repair However the service check procedures can also be used for determining possible failures The...

Page 18: ...nt panel sticker are intact all connectors are intact and are attached properly the module box latch and spring locking pin are intact Reattach the module box and check that the latch is moving proper...

Page 19: ...e key Press the key at least for one second Check that the pressed key is identified i e the text for Button changes from OFF to ON in the service menu 7 Check that the Cable and Probe show OFF Plug a...

Page 20: ...ture test plug into the connector T3 Check that the Cable and Probe for T3 show ON and the corresponding temperature value appears onto the screen Perform the same check also for the channel T4 12 Che...

Page 21: ...160 PACE WAVE NSR Use the channel BP1 for the connector P3 14 Connect an oscilloscope between the signal out connector pins 1 ECG out and 4 Ground 1 2 3 4 Check that an analog signal which corresponds...

Page 22: ...wing way See the exploded view of the module 1 Remove the two screws from the back of the module 2 Pull the module box slowly backwards and detach it from main body Be careful with loose latch and spr...

Page 23: ...0 mmHg 300 mmHg to the transducer The recommended pressure is 200 mmHg 6 Set the pressure on the display to match the pressure reading on manometer and press the ComWheel A tolerance of 1 mmHg is allo...

Page 24: ...5 Insert calibration plug 25 C into T3 T4 connector 6 Press the ComWheel 7 Insert calibration plug 45 C into T3 T4 connector 8 Press the ComWheel 9 Press in the protect button at the bottom of the mo...

Page 25: ...hannel Offset is 150 mmHg Open the transducer to air and zero the channel Defective transducer Replace it and zero the channel Calibration failed message Unsuccessful calibrating of P3 number field po...

Page 26: ...bration Perform calibration If it does not help check that front panel connectors are properly connected to STP board No temperature displayed Wrong type of probe Temperature out of measurable range T...

Page 27: ...T module No Module ID on screen Does another module work in the same slot Yes No No Check front panel key functions in Service menu Do they work Yes Check front panel unit and PT board to find culprit...

Page 28: ...Ohmeda S 5 monitors Document No 8001013 1 24 5 SERVICE MENU 1 Press the Monitor Setup key 2 Select Install Service password 16 4 34 3 Select Service password 26 23 8 4 Select Parameters 5 Select P PT...

Page 29: ...d numeric values are displayed simultaneously Pressure value is a real time value and shown in mmHg Button the front panel key function can be confirmed by pressing the key and checking that OFF turns...

Page 30: ...the module is pressed Set Config The module configuration should be set according to the module type The setting is possible only when the protection is set OFF The available selections are BP or PT T...

Page 31: ...ure manometer to the P3 connector Select Calibrate P3 Leave the transducer to room air pressure 2 Press the ComWheel to start zeroing 3 Supply a pressure of 100 mmHg to 300 mmHg to the transducer The...

Page 32: ...es are listed in the Patient Monitor Supplies and Accessories 6 1 1 Pressure Module M P Rev 00 4 1 2 3 5 Item Description Order No Membrane keypad 880101 1 Module box single width 886167 2 Spring pin...

Page 33: ...P board M ESTP Rev 03 04 M P Rev 02 882627 Use 885697 6 1 4 Pressure Module M P Rev 03 Item Description Order No 6 PT board M PT Rev 01 M P Rev 03 895047 19 EMC cover 884099 20 Protection plate 883946...

Page 34: ...k 616215 6 PT board M PT Rev 00 885697 7 Signal out connector M PT 884316 8 T Input connectors 884315 9 P Input connector 884314 11 Metal frame 879184 13 Cross cylinder head screw M3x6 61721 14 Cross...

Page 35: ...man EN English ES Spanish FI Finnish FR French IT Italian JA Japanese NL Dutch NO Norwegian PT Portuguese SV Swedish Adaptation M P Rev 00 03 Order No M PT Rev 01 Order No DA 892211 892210 DE 880488 8...

Page 36: ...aptation M P Rev 04 Order No M PT Rev 02 Order No DA 898768 898768 DE 898735 898759 EN 898734 898758 ES 898738 898762 FI 898741 898765 FR 898736 898760 IT 898739 898763 JA 898745 898769 NL 898737 8987...

Page 37: ...cument No 800 1013 1 33 7 EARLIER REVISIONS This manual also supports M P revisions 02 and 03 For service information on the earlier revisions please refer to P Module revision 00 Service Manual p n 8...

Page 38: ...Datex Ohmeda S 5 monitors Document No 8001013 1 34...

Page 39: ...APPENDIX A Service Check Form M P and M PT Document No 800 1013 1 35 APPENDIX A...

Page 40: ...Datex Ohmeda S 5 monitors 36 Document No 800 1013 1...

Page 41: ...engineer Date OK Test OK N A Test not applicable Fail Test Failed All modules OK N A Fail OK N A Fail 1 Internal parts 2 External parts 3 Installation Notes 4 Module software P PT 5 Communication and...

Page 42: ...st Failed TEMP measurement 11 Temperature probe detection 12 Calibration check 13 Temp test function Notes Signal output 14 ECG output 15 InvBP output Notes All modules 16 Electrical safety check 17 F...

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