marquette hellige MicroSmart Servicing Instructions Download Page 4

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Marquette Hellige GmbH

MicroSmart V 2.xx

Page 2

Servicing Instructions 227 470 35 B - 97.12

4.7.1 Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.8 Additional functions for final test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

4.9 Re-locking option . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5 Selecting the type of appliance

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5.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2 Selecting the type of appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6 Repair notes

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6.1 Safety notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2 Component replacement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8 Maintenance and care . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.1 Technical inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.1.1 Visual checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.1.2 Function checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2 Safety Analysis Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2.1 General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2.2 Protective earth resistance test . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2.3 Measuring of leakage current . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2.4 Enclosure Leakage Current Test . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.2.5 Patient Leakage Current Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.3 Maintenance, cleaning, disinfection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

9 Technical description

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10 Spare parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11 Appendix

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Summary of Contents for MicroSmart

Page 1: ...Servicing Instructions MicroSmart Version 2 xx 227 470 35B SA e ...

Page 2: ... by personsauthorizedbyMarquette Hellige GmbH the electrical installation of the rele vant room complies with the applica ble national and local requirements and the instrument is used in accordance with the instructions for use This manual contains service information operating instructions are provided in the operator s manual of the instrument This manual is in conformity with the instrument at...

Page 3: ...rinted circuit board PCB MicroSmart 10 3 3 1 Voltage supply and monitoring 11 3 3 2 Computer 15 3 3 3 ECG recording and pre processing 19 3 3 4 Drive electronics and display 24 3 4 Internal interfaces 28 3 4 1 Interface power supply 28 3 4 2 Interface display 29 3 4 3 Interface thermal array 30 3 4 4 Interface motor 32 3 4 5 Interface photoelectric barrier 32 3 4 6 Interface keyboard 33 3 4 7 Inte...

Page 4: ... 1 Safety notes 46 6 2 Component replacement 46 7 Troubleshooting 49 8 Maintenance and care 51 8 1 Technical inspection 51 8 1 1 Visual checks 51 8 1 2 Function checks 52 8 2 Safety Analysis Test 55 8 2 1 General Information 55 8 2 2 Protective earth resistance test 55 8 2 3 Measuring of leakage current 56 8 2 4 Enclosure Leakage Current Test 56 8 2 5 Patient Leakage Current Test 57 8 3 Maintenanc...

Page 5: ...tter located at the top of the page This letter identifies the manual update level The latest letter of the alphabet corresponds to the most current revision of the document The revision history of this manual is summarized below Date Revision Remarks September 1997 A Initial release of Dervicing Instructions November 1997 B Update type of appliance changed partnumber of the PCBs ...

Page 6: ...ts the instrument version The language is determined by configuration thus having no influence on the part No E g Instrument Type Version MicroSmart without measurement IR 101 134 01 MicroSmart with measurement IR 101 134 02 1 2 Configuration of the PCB part Nos 388 xxx yy Spare part numbers for the operative PCBs The instrument documentation e g reference diagrams circuit diagrams and parts lists...

Page 7: ...returned to the Freiburg factory Replacement PCB part Nos are included in the spare parts list 389 PCBs have an additional adhesive label 1 3 Instrument status documentation nominal status Due to the hardware and software combination unambiguous documentation of the instrument assembly status is necessary also in the event of repairs This documentation comprises the following documents and measure...

Page 8: ...t results MicroSmart und MicroSmart MC are based on the same hardware platform The following versions of MicroSmart are available 101 134 01 MicroSmart international 100 240V 101 134 02 MicroSmart MC international measurement IR 100 240V 101 134 03 MicroSmart Asia 100 240V 101 134 04 MicroSmart M USA measurement 100 240V 101 134 05 MicroSmart MC Asia measurement IR 100 240V 101 134 06 MicroSmart U...

Page 9: ...am total unit AC DC Battery System inlet Patient input Lpl MicroSmart LC Display IRDA interf ace Pre amplifier optical couple r DC DC ASIC3 ASIC2 ASIC1 ASIC1 DC DC 5V DC DC 24V MC68332 EPROM RAM EEPROM Uhr Panel interface Display interface Recorder interface Battery charge Operator panel Recording section ...

Page 10: ... the PCB MicroSmart via a flexible cable 3 Description of the function The description of the individual function blocks follows the Block diagram of the total unit in chapter 1 1 and the function blocks of the P plans 3 1 Power supply module The power supply module comprises the following functions System inlet with fuses Extended range power supply Patient input These components are mounted on a...

Page 11: ...ax Efficiency 70 Output voltage 15 6V 2 Output current 2 6A max Short circuit proof Approvals IEC601 UL544 CSA22 2 125 VDE750 The connection between the AC DC power supply and the PCB MicroSmart is implemented with a 2 pin lead as follows on the AC DC power supply plugged on the PCB MicroSmart plugged 3 2 Battery The battery is a rechargeable maintenance free lead battery The battery is purchased ...

Page 12: ...ler Motorola 68332 EPROM 512KByte RAM 256KByte MicroSmart or 512KByte MicroSmart MC Configuration memory EEPROM 256Byte Reset Generation Alarm signal output Real time clock buffered Keyboard interface IR interface MicroSmart MC only ECG recording and pre processing floating side Protective input circuit Pre amplifier AD converter PACE identification Electrode label Conductor label Filter and inter...

Page 13: ...e ON OFF key on the membrane keypad Enabling and disabling operates via a toggle function if the unit is switched off press the ON OFF key to switch the unit on If the unit is switched on press the ON OFF key to switch the unit off The processor can switch the unit off via the signal lead G_OFF if the input voltage is too low exhaustive discharge protection for the battery the unit is not operated...

Page 14: ...ng states high current bulk charge state over charge state float state A charging cycle begins with high current bulk charge state In this state the battery is charged with a constant current Imax while the battery voltage is monitored The over charge state sets in as soon as a certain voltage value U12 is reached In this state the battery voltage is kept at a certain value UOC while the charging ...

Page 15: ...ing V2 V2 The input voltage is monitored If it drops to 11 3V the LED_Bat lights up This indicates that the battery is in need of recharging If the input voltage drops further to 10 3V the signal Batt_low will be activated This signal is scanned by the processor If it is active the processor will deactivate the unit exhaustive discharge protection for the battery ...

Page 16: ...witching regulator is used to generate the 5V voltage The high rate switching frequency allows the entire circuit to be built up with SMD components The switching regulator is the module type LT1376 All the functions necessary for a step down regulator are integrated in this module Input voltage 10V 16V Output voltage 5 V 2 Output current min 100 mA max 700 mA Efficiency 80 Short circuit proof ...

Page 17: ... Data Bus ROM ECG Interface QSPI Bus RTC Controller At the actual core of the unit is the Motorola Controller 68332 with the following integrated components CPU32 computer core internal 32 bit register external 16 bit processing TPU independent timing processor QSM with SCI for the implementation of a single RS 232 interface and a serial QSPI port with up to 16 channels SIM with Chipselect generat...

Page 18: ...wed without Wait States EEPROM A serial EEPROM is used for the non volatile memory This is connected to the QSPI interface of the 68332 The EEPROM has a memory area of 2048 Bit 256Byte Reset Generation Reset Generation is implemented with an integrated monitor module It includes the voltage monitoring with Reset Generation Acoustic signal output The MicroSmart has a sound output for acoustic statu...

Page 19: ...terface is located on the top byte of the data bus The bits D8 D12 are used for the keyboard both input and output Both the output buffer and the input buffer are selected via a separate chipselect signal chipselect signal of the 68332 The top two bits D13 D15 of the input buffer are assigned with additional functions D13 Hardware configuration bit function undetermined for future extensions Defau...

Page 20: ... the status of the unit It means that the unit is in an active state processing printing etc in progress A LOW level at the signal LED_START_ activates the LED LED STOP This LED indicates the status of the unit It means that the unit is in a passive state processing printing etc not in progress A LOW level at the signal LED_STOP_ activates the LED IR interface The MicroSmart MC is equipped with an...

Page 21: ...5 V 5 V Sigma Delta Modulatos SDM HEC2 PACE Configuration PACE detection digital DIGI HEC2 Referenz Pre amplifier Protective input circuit Digital Filter Digital Filter Result memor y Sigma Delta Modulators SDM HEC2 Patient lead REF REF REF REF DVDD AVDD AVSS AGND Opto Koppler Opto Koupler Opto Koupler Opto Koupler Opto Koupler Opto Koupler Opto Koupler MOSI QSPI i nterface Analog switch PACE dete...

Page 22: ...hind each patient lead as well as a hybrid ECG input which ensures the safety of the patient and of the electronic components Protection is only assured if a patient lead with series resistors of 8 k is used Overvoltages reaching the input are limited in the first stage to 90 V through surge diverters and high voltage diodes The voltage then passes via a 47 K resistor from each input electrode on ...

Page 23: ...onverters are the modulator type Two ICs of type SDM_HEC2 are used each of which include 5 converters The components for the internal integrators used to adapt the modulators to their task are connected to the pins IM2x OUT2x REFx OUT1x and IM1x Each differential signal at the output of the AD converter is resolved to 18 bit With reference to the patient input one LSB corresponds to 5µV Conversion...

Page 24: ...input The MicroSmart is designed for use with a 5 and 10 wire patient lead Lead labeling is identified by means of different voltage values For this purpose the 10 wire lead holds a 402 resistor which together with the series resistor generates a voltage in the range of 8 66 mV 9 19 mV A voltage in the range of 4 76 mV 5 05 mV with a resistance of 221 is generated through the 5 wire lead The volta...

Page 25: ...g the display range to 10 mV and selecting a suitable value query prevents sudden changes over the entire display range when exceeding the range limits A saturation value is delivered at about 10 mV until the measuring signal returns to within the display range For the useful signal transfer ECG signal the lower 12 bits are transferred with the selected scanning frequency However there is also the...

Page 26: ...Marquette Hellige GmbH MicroSmart V 2 xx Page 24 Servicing Instructions 227 470 35 B 97 12 3 3 4 Drive electronics and display ...

Page 27: ...has been routed via a low pass a DC voltage proportional to the PWM ratio which is used for setting the heat duration With each trigger pulse for the heat duration generation a capacitor charged via a constant current source is discharged and a heat duration cycle is started The linear voltage increase at the capacitor is compared in a comparator with the analog value supplied by the PWM channel I...

Page 28: ... machine has one input allowing the direction of rotation to be changed Once the motor is started the processor does not require any more processing power for the motor No compensation is required for the motor The internal TPU stepping motor control is not used because it is designed for a positioning system and would constantly require CPU power for continuous operation To save energy during pri...

Page 29: ...4V power supply to current activate the dots This 24V voltage is also used for the stepping motor The voltage is generated by the switching regulator MC33063 The switching regulator works in step up operation in connection with the external power MOSFET For brief peak loads the electrolytic storage capacitor supplies the necessary power Input voltage 10V 16V Output voltage 23 5 V 5 Output current ...

Page 30: ...hermal array Interface motor Interface photoelectric barrier Interface keyboard Interface ECG port 3 4 1 Interface power supply Plug designation PSCON Plug connector 4 pin horizontal 90 reverse voltage protection implemented mechanically The function of the individual pins is shown in the following table The definition in terms of input output is as seen from the PCB MicroSmart Signal name I O Mea...

Page 31: ... pins is shown in the following table The definition in terms of input output is as seen from the PCB MicroSmart Signal name I O Meaning Level Polarity Pin No Vss Ground 0V 1 VDD Supply 5V 2 V0 Contrast voltage 0 5V 3 RS O Register select TTL 4 R W O Read Write TTL 5 E O Enable TTL active high 6 DB8 I O Data TTL 7 DB9 I O Data TTL 8 DB10 I O Data TTL 9 DB11 I O Data TTL 10 DB12 I O Data TTL 11 DB1...

Page 32: ...PCB MicroSmart Signal name I O Meaning Level Polarity Pin No VH 24V 24V 1 VH 24V 24V 2 GND 24V 0V 3 VH Ground 24V 4 GND Ground 0V 5 GND Ground 0V 6 DATA IN 1 I Data input 1 TTL 7 DATA OUT 1 O Data input 1 TTL 8 DATA IN 1 I Data input 2 TTL 9 DATA OUT 2 O Data output 2 TTL 10 STROBE 1 I Strobe 1 TTL active high 11 STROBE 2 I Strobe 2 TTL active high 12 THERMISTOR 1 NTC resistor 13 LATCH I Array lat...

Page 33: ...470 35 B 97 12 STROBE 4 I Strobe 4 TTL active high 20 DATA IN 3 I Data input 3 TTL 21 DATA OUT 3 O Data output 3 TTL 22 DATA IN 4 I Data input 4 TTL 23 DATA OUT 4 O Data output 4 TTL 24 GND Ground 0V 25 GND Ground 0V 26 GND Ground 0V 27 VH 24V 24V 28 VH 24V 24V 29 VH 24V 24V 30 ...

Page 34: ...aning Level Polarity Pin No Q11 O Field coil 1 24V 1 Q12 O Field coil 1 24V 2 Q21 O Field coil 2 24V 3 Q22 O Field coil 2 24V 4 3 4 5 Interface photoelectric barrier Pin designation AB Zero power flat membrane connector 4 pin upright 180 reverse voltage protection implemented mechanically The function of the individual pins is shown in the following table The definition in terms of input output is...

Page 35: ...he PCB MicroSmart Signal name I O Meaning Level Polarity Pin No LED_LOBAT O Anode battery LED 5V 1 LED_NETZ O Anode system LED 15V 2 GND O Ground GND 3 COLUMN4 O Matrix column 4 5V 4 COLUMN3 O Matrix column 3 5V 5 ROW4 I Matrix row 4 5V 6 COLUMN2 O Matrix column 2 5V 7 COLUMN1 O Matrix column 1 5V 8 COLUMN5 O Matrix column 5 5V 9 ROW5 I Matrix row 5 5V 10 ROW3 I Matrix row 3 5V 11 ROW2 I Matrix ro...

Page 36: ...ed mechanically The function of the individual pins is shown in the following table The definition in terms of input output is as seen from the PCB MicroSmart Signal name I O Meaning Level Polarity Pin No C2 I Input C2 1 R I Input R 2 C3 I Input C3 3 L I Input L 4 C4 I Input C4 5 F I Input F 6 C5 I Input C5 7 C1 I Input C1 8 C6 I Input C6 9 10 AGND O Screen 11 N O N pp modulator 12 13 14 PL I Lead...

Page 37: ...t lead have been redesigned because the MicroSmart guarantees the required defibrillation protection only in connection with the patient lead This means that all previously used patient leads can no longer be used This also applies to the suction system with integrated pump Plug designation AF Sub D socket casing 15 pin The function of the individual pins is shown in the following table The defini...

Page 38: ...de L 11 Input F Input electrode F 12 Input C1 Input electrode C1 13 NC 14 Output N Output electrode N pp modulator 15 NC 3 5 3 IR interface The MicroSmart MC is equipped with an IrDA interface This interface has the following properties Transmission rate 9600 Baud Data bits 8 Stop bits 1 Parity no no hardware handshake half duplex Range max 3 meters direct visual connection to receiver ...

Page 39: ...tions The following operating modes have not been implemented in MicroSmart No Ergometrics No spirometry No Late Potentials no RR variability No phono no US doppler A scope output is not available No analog inputs No ECG trigger output Use of NC batteries not allowed Use of primary batteries not allowed ...

Page 40: ...ted These include signal generator etc The items required for the individual tests will be explained in the description of the various tests The test mode allows various unit tests to be carried out This unit test is initiated by pressing the current operating mode key and the arrow key right at the same time E g Auto Quit the test mode by pressing any operating mode key and the arrow key right at...

Page 41: ...ill be displayed Using the arrow control keys all pixels of the display can now be switched on and off in alternation Pressing the Start Stop key will end the test and display the next one 4 4 Motor test After activating the motor test the current state STOP and the preselected speed will be displayed In this state the motor test can either be started or the preselected speed can be changed Once t...

Page 42: ...rom this point on the operator has 20 seconds for an entry data transfer Always conclude a transfer by striking the carriage return key Note that there is a minimum and maximum number of transferable characters At least two valid characters plus carriage return must be transferred to make them show on the display If more than 200 characters are transferred before carriage return a buffer overflow ...

Page 43: ...test which is always performed after power up If any errors are detected a display message appears after the test indicating the possible error The following error codes are used to localize the error 4 7 1 Error codes The following error codes are shown on the display in connection with the message Test failed CODE 0 IRAM error in the internal RAM of the 68332 1 VECTOR error in the vector table 2...

Page 44: ...for determining the option key MicroSmart MC only Necessary equipment for reading in the serial number Hardware PC or Laptop Interface Cable PC Irda Adapter Partnumber 223 426 01 Irda Adapter Partnumber 930 117 72 Software use Terminal Program Windows 3 11 or Hyperterminal Program Windows 95and Windows NT Transfer parameters 9 600 baud rate 1 stop bit no parity 8 data bits MicroSmart MC The serial...

Page 45: ...he serial number and press the CR key 4 9 Re locking option The open option can only be re locked by deleting the entered option key To re lock the open option proceed as follows switch off the unit press the key combination BEEP 20 35 and switch on the unit at the same time the unit signals option cleared Explanation BEEP loudspeaker key 20 35 filter key 20 35 Hz ...

Page 46: ...ted on the real time recordings Man Arrhy Default works setting the notation electrode labels is AAMI The date format is mm dd yy Languages English français español português No data communication i e the following items are not displayed in the configuration copy function data transfer tel No Default works setting for override function is On The line filter is set for 60 Hz Default works setting ...

Page 47: ...he key combination for delete Configuration down see table below the unit signals Config cleared switch off the unit switch on the unit while holding the key combination for the type of appliance down Key codes for selecting the type of appliance Key combination Appliance type BEEP 5mm mV delete Configuration EEPROM BEEP 50mm s International BEEP 25mm s USA BEEP 5mm s USA2 BEEP 20mm mV ASIA Explan...

Page 48: ...ry for proper disposal 6 2 Component replacement For the following items observe the safety notices in chapter 4 1 Caution To avoid damage to the thermal array always fully discharge with a resistor approx 68 the condenser C1 located on the PCB before replacing exchanging the PCB or the thermal array Opening the unit To open the MicroSmart remove the 4 attachment screws on the base of the unit ope...

Page 49: ... side wall of the recorder enclosure to the outside At the same time push the array holder forward until it detaches from its locking mechanism Then remove the thermal array from the top The two springs will come undone When re installing the thermal array use pincers to lock the springs back in position Replacing the PCB MicroSmart Before replacing the PCB print out the configuration selected by ...

Page 50: ...ower supply module The power supply is bolted to the metal carrier base with 3 attachment screws Disconnect the plug connections CB and CA Detach the three attachment screws Replace the power supply Replacing the patient input First remove the PCB MicroSmart see above Detach the four attachment screws on the metal carrier base power supply module Take out the power supply module The patient input ...

Page 51: ...ms above are OK PCB MicroSmart defective Battery operation selected unit cannot be switched on plug connection G on battery properly connected battery exhausted discharged connect mains plug green LED of power indicator lights must light up and unit can be activated If not see above under Mains plug connected unit cannot be switched on battery charge activated when connecting the mains plug after ...

Page 52: ...erly connected motor blocked check drum transmission measure the voltage 24V on diode D506 cathode 24V available if yes motor defective or PCB MicroSmart defective motor control Paper feed works nothing printing out paper flap properly latched in both locking mechanisms plug connection AA properly connected measure the voltage 24V on diode D506 cathode 24V available a great deal printed recently a...

Page 53: ...t be familiar with the operation of the unit as specified in the operating instructions The test items are based on the following measuring and test equipment The tests should be carried out with customer s accessories This will ensure that any defective accessories are automatically identified If measuring and test equipment other than the above is used the test items and the tolerance values may...

Page 54: ... the green standby LED must light up Activate the unit The self test will be carried out no error messages must appear After completing the self test the unit is in the Auto mode the yellow LED for the inactive operating mode must be lit Function test of the operating and display elements carry out the key test as specified in chapter 3 2 carry out the display test as specified in chapter 3 3 Test...

Page 55: ...e purple V6 Switch to the Man mode and start recording by pressing the Start Stop key Check by pressing the lead stepping keys if all leads are registered The ECG waveforms must be free of noise Record two pages in the Man mode The following lettering must be visible text in the line in the top margin first sheet Device name Software Version second sheet Company name Date Time text in the line in ...

Page 56: ...following settings at the multifunction simulator Pace setting Pace amplitude 6 mV Pace duration 0 2 ms Select the Man mode at the equipment under test and select the lead group Einthoven Eint at the equipment under test Start recording The pace pulses must be visible in the record as spikes Checking the electrode drop off detection Set the simulator back to ECG signal with a heart rate of 60 P mi...

Page 57: ...tage for the tested unit Most Safety Testers take this into account otherwise the measured values have to be calculated Recommendet test equipment Safety Tester for measurements according IEC 601 Testing connector according the following description Testing connector for measuring patient leakage current For testing the ECG input a patient cable with all leads connected together is used 8 2 2 Prot...

Page 58: ...erted to leakage current 8 2 4 Enclosure Leakage Current Test This test is performed to measure leakage current from chassis to ground during normal conditions N C and single fault conditions S F C In any case the leakage current is measured from any exposed conductive parts to ground the unit under test has to be switched on and off Connect the unit under test to your Safety Tester During normal ...

Page 59: ... conditions S F C dependent of domestic power outlet with 115 or 230 V AC as source into the floating inputs In any case the leakage current is measured from Input Jack of unit under test to ground For testing the ECG input a patient cable with all leads connected together is used Connect the unit under test to your Safety Tester Referring to the electrical diagram measurements have to be done und...

Page 60: ... Maintenance cleaning disinfection MicroSmart maintenance cleaning disinfection is performed in accordance with the MicroSmart or MircoSmart MC User s Manual Chapter 12 Cleaning disinfection and maintenance as applicable Applications requiring extensive recordings may result in deposits on the thermal array printhead which normally do not however have any adverse effect on the printing quality Thi...

Page 61: ...separate sheet Resolution of recording vertical 8 dots mm horizontal 25 µm at 25 mm s Recording paper Z fold paper with 350 sheets Marquette Hellige CONTRAST Paper width 90 mm Sheet length 90 mm or Paper rolls Marquette Hellige CONTRAST Paper width 90 mm Length approx 35m To avoid damage of the thermal array use only original Marquette Hellige CONTRAST recording paper Paper feed Paper speed 5 25 5...

Page 62: ...n polarization voltage Detection of pacemaker pulses Pulse duration between 0 1 and 2 5 ms Marking irrespective of sign Pulse amplitude between 5 mV and 700 mV Heart rate indication Determining the heart rate from all ECG signals Display range 30 300 P min Display cycle with each heart beat max 2 s Signal inputs Insulated patient connection type CF in compliance with IEC all pickup electrode conne...

Page 63: ...electrodes R L F N C1 C2 C3 C4 C5 C6 acoustic break signal upon start of program Data interface An infrared interface for data exchange with adapted auxiliary appliances MicroSmart MC only Transmission rate 9600 Baud Data bits 8 Stop bits 1 Parity no no hardware handshake half duplex Range max 3 meters direct visual connection to receiver Patient input for recording Simultaneous transfer of all el...

Page 64: ...nd AHA recommendations 2 5 µV rms common mode rejection for signals with 50 or 60 Hz depending on design of unit with activated line frequency compensation 140 dB Calibrating the ECG Automatic recording of a defined voltage jump applicable to all channels calibration voltage with reference to the ECG signal input 1 mV Pulse width independent of paper speed approx 200ms Zero position Automatic sett...

Page 65: ...ange 90V 264V 49 65Hz Current input 0 12 0 3A typical power input charging the battery 13VA Unit on battery charging 17VA Recording battery charging 22VA Operation via built in battery Type lead battery Rated battery voltage 12V Rated battery capacity 1 2Ah Operation with fully charged battery sufficient for minimum 50 ECGs if unit is activated only for recording Charge duration for completely dis...

Page 66: ...Operation ambient temperature between 10 and 40 C relative air humidity between 25 95 non condensating air pressure between 700 and 1060 hPa Storage and transportation ambient temperature between 20 60 C w o battery 15 50 C with battery relative air humidity between 20 and 95 air pressure between 500 and 1060 hPa Dimensions of enclosure Width 290 mm Height 80 mm Depth 200 mm Weight Unit design wit...

Page 67: ...89 Lower Case Part 432 523 90 Holder for ECG Input 432 519 68 Plexi window 432 523 92 Washer 432 524 09 Firm Label Marquette Hellige 432 524 10 Firm Label marquette 432 524 14 Instrument Label MicroSmart 432 524 15 Instrument Label MicroSmart MC 432 524 16 Instrument Label MicroSmart M 432 524 17 Instrument Label MAC 500 924 017 14 Rubber foot 432 524 30 Insulating Part 504 659 02 Retaining Plate ...

Page 68: ...Label Rec Paper Printed circuit boards 303 445 45 PCB MicroSmart with IR 389 004 24 Exchange PCB MicroSmart with IR 303 445 44 PCB MicroSmart without IR 389 004 23 Exchange PCB MicroSmart without IR 303 445 55 PCB ECG Connector 930 117 69 LCD Display with connector 927 230 36 Spacing Socket for Display 801 777 75 Screw 801 777 20 Screw 929 167 17 Lithium Battery 3V 0 255 Ah Power supply 930 117 88...

Page 69: ...IEC std 4 mm plug for MicroSmart 223 387 02 Patient Cable 10 wire AHA std 4 mm plug for MicroSmart 432 524 62 Mandrel 226 167 01 Chart Paper 90mm 360 sh 226 167 02 Chart Paper 90 mm 10x360 sh 226 168 01 Chart Paper 90mm roll 35m 226 168 02 Chart Paper 90 mm roll 10x35m 930 117 72 IRDA Adapter Infrared RS232 223 426 01 Interface Cable for CardioSys PC IRDA Adapter 220 107 01 IRDA Interface Box for ...

Page 70: ...7 Sheet 1 Master Record Index 101 134 01 07 Sheet 3 4 PCBs 388 032 73 P Sh 0 388 032 00 P changed to 388 032 73 P PCBs 388 032 73 R Sh 1 2 u 2 2 388 032 00 R changed to 388 032 73 R PCBs 388 032 74 P Sh 0 388 032 16 P changed to 388 032 74 P PCBs 388 032 74 P Sh 1 7 388 032 16 P changed to 388 032 74 P PCBs 388 032 74 R Sh 1 2 u 2 2 388 032 16 R changed to 388 032 74 R IRDA Interface Box 220 107 0...

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Page 77: ...gepr gez AENDERUNGEN Aend Nr Index Datum Name HELLIGE GMBH Postfach 728 D 79007 Freiburg Datum Name Entw A04 04 11 97 MSG F67208 PCB MICROSMART LPL MICROSMART 388 032 73 P Bl 0 ...

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Page 80: ...gepr gez AENDERUNGEN Aend Nr Index Datum Name HELLIGE GMBH Postfach 728 D 79007 Freiburg Datum Name Entw 388 032 74 P Bl 0 LPL MICROSMART MC PCB MICROSMART MC F67208 04 11 97 MSG A04 ...

Page 81: ...te Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 SPITZNAGEL 04 11 97 JOK 04 11 97 MSG 388 032 74 P 1996 3 13 4 A03 tmp_mnt user_mnt cae_b microsmart design 388 032 74 388 032 73 F67208 7 1 PCB MICROSMART LPL MICROSMART ...

Page 82: ...ped in Version Marquette Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 SPITZNAGEL LPL MICROSMART PCB MICROSMART 2 7 F67208 388 032 73 388 032 74 DIR A03 DATE 388 032 74 P 04 11 97 HTW 04 11 97 CYS ...

Page 83: ...ped in Version Marquette Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 DATE A03 DIR 388 032 74 388 032 73 F67208 7 3 PCB MICROSMART LPL MICROSMART SPITZNAGEL 04 11 97 CYS 04 11 97 HTW 388 032 74 P ...

Page 84: ...ped in Version Marquette Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 388 032 74 P 04 11 97 MSG 04 11 97 MLM SPITZNAGEL LPL MICROSMART PCB MICROSMART 4 7 F67208 388 032 73 388 032 74 DIR A03 DATE ...

Page 85: ...ped in Version Marquette Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 388 032 74 388 032 73 F67208 7 5 PCB MICROSMART LPL MICROSMART SPITZNAGEL 04 11 97 CYS 04 11 97 MSG 388 032 74 P DATE A03 DIR ...

Page 86: ...ped in Version Marquette Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 388 032 74 P DATE A03 DIR 388 032 74 388 032 73 F67208 7 6 PCB MICROSMART LPL MICROSMART SPITZNAGEL 04 11 97 CYS 04 11 97 MSG ...

Page 87: ...ped in Version Marquette Hellige GmbH D 79007 Freiburg Date Name ISSUED APPROVED DRAWN Date Name REVISIONS Index 1 DATE 388 032 74 388 032 73 F67208 7 7 PCB MICROSMART LPL MICROSMART SPITZNAGEL 04 11 97 CYS 04 11 97 MSG 388 032 74 P DIR A03 ...

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Page 92: ... system A PART OF THE M A R Q U E T T E H E L L I G E U N I T Y N E T W O R K European Headquarters Marquette Hellige GmbH Postfach 728 79007 Freiburg Germany Tel 49 761 45 43 0 Fax 49 761 45 43 233 World Headquarters Marquette Medical Systems Inc 8200 West Tower Avenue Milwaukee WI 53223 USA Tel 1 414 355 5000 Fax 1 414 355 3790 Asia Pacific Marquette Medical Systems 26 F Catic Plaza 8 Causeway R...

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