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Optosense LLC 

USER MANUAL 

Design department 

SMALL-SIZE EXPLOSIVE GAS MEASURING 

SENSOR MIPEX-02-X-X-X.1 X (RX) 

 

ESAT.413347.005 UM 

Revision 3.0 

January 19th, 2017 

Page 20 of 46 

THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED. 

 

8.  WARRANTY 

 Manufacturer guarantees sensor compliance with specifications and requirements stated in 

this UM if customer follows operating, transportation and storage terms. 

During warranty period, manufacturer replaces or repairs for free all  its products that do not 

operate because of production fault. 

Warranty  period  is  24  months  since  product  is  shipped  to  customer.  Shipment  date  is 

registered in the ESAT.413347.005 PS 

manufacturer’s certificate. 

Manufacturer is not responsible for sensor fault and discontinues warranty in following cases: 

 

if the rules and conditions of operation, transportation and storage stated in this UM and 
in sensor datasheet were violated; 

 

if sensor has marks of unauthorized repair attempts; 

 

if  any  mechanical  damage  occurs  and/or  if  any  damage  is  caused  by  exposure  to 
extremely  high  or  low  temperatures,  corrosion,  oxidation,  ingression  of  any  foreign 
objects, materials, liquids, insects; 

 

if  sensor  was  damaged  by  using  connection  circuit  that  does  not  comply  with 
requirements stated in this UM; 

 

if  damage  is  caused  by  force  majeure,  accident,  intentional  or  careless  actions  of  the 
customer or third parties; 

 

if damage (or fault) is caused by installing, editing or damaging sensor firmware and/or 
by making changes to the firmware settings using service codes; 

 

if  damage  (or  fault)  is  caused  by  the  fact  of  power  and  signal  cables  do  not  meet  the 
standard  or  technical  regulations  and/or  by  electromagnetic  interferences  exceeding 
permissible according to EN 60079-29-1. 

Replacement or repairs of faulty sensor does not extend initial warranty period. 

Manufacturer  is  not  responsible  for  any  possible  damage  directly  or  indirectly  caused  by 

sensor to people and property in case it is a result of  improper usage, storage and transportation 
or due to intentional or careless actions of the customer and/or third parties. 

Risks  and  costs  of transportation  and  packaging  as  well  as  other  contingencies  concerning 

product return to manufacturer are carried out by the customer. 

Содержание MIPEX-02 Series

Страница 1: ...EX 02 X X X 1 X RX ESAT 413347 005 UM Revision 3 0 January 19th 2017 Page 1 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED SMALL SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX 02 X X X 1 X RX USER MANUAL ESAT 413347 005 UM ...

Страница 2: ...on on firmware versions 25 67 and 24 67 see Appendix C Information on expanded temperature range for temperature zero adjustment while using firmware versions 25 67 and 24 67 see Appendix D 2 Communication protocol description is now also actual for firmware versions 25 67 and 24 67 see Appendix C Excluded temperature zero adjustment manual mode see Appendix D 2 2 2 October 21th 2016 Formatting Ad...

Страница 3: ... mode 18 7 Storage and transportation 19 8 Warranty 20 9 Contacts 21 Appendix A Sensor types and characteristics 22 Appendix B Connection diagram 28 Appendix C UART communication protocol 30 Appendix C 1 General information 30 Appendix C 2 Communication protocol commands 31 Appendix C 2 1 Commands for requesting measured data 31 Appendix C 2 2 Commands for controlling operating mode 34 Appendix C ...

Страница 4: ...ding to IEC 60079 0 IEC 60079 11 in the explosion hazardous zones of classes 0 1 2 according to IEC 60079 10 1 and Class I Division 1 Group A B C D according to UL Std 913 CAN CSA Std C22 2 No 157 92 Optosense LLC reserves the right to make changes to this manual excluding intrinsically safe sensor parameters 1 1 List of abbreviations ADC Analog to Digital Converter LEL Lower Explosive Limit LED L...

Страница 5: ...n selective infrared radiation absorption by gas molecules Infrared radiation from LED permeates through a measuring diffusion type gas cell and arrives on signal and reference photodetectors one of which detects radiation only in the wavelength range of infrared radiation absorbed by gases while the other one detects radiation only in the wavelength range of 3 5 3 7 μm for hydrocarbons and 4 0 4 ...

Страница 6: ... maximum Notes CH4 Analyzing a gas mixture containing methane as the main component 1 3 31 m For optical elements sensitivity to other hydrocarbons see Fig 7 C3H8 Analyzing a gas mixture containing heavy hydro carbons The presence of methane is negligible 2 3 4 m For optical elements sensitivity to other hydrocarbons see Fig 8 CO2 Analyzing the atmos phere including of in dustrial facilities con t...

Страница 7: ...using types 1 and 3 3 22 16 6 without pins housing type 2 Pins length mm 4 6 5 75 Warm up time sec 120 Weight g 16 6 housing type 1 15 5 housing type 2 5 5 housing type 3 Housing material Stainless steel housing types 1 and 2 Plastic Lexan housing type 3 Life time expectancy 4 not less than years 10 Shelf life time not less than years 8 IP rating 20 without dust filter 54 if a dust filter provided...

Страница 8: ...and 3 Response time T90 when dust filter provided by Optosense LLC is installed see Appendix E sec 10 for hydrocarbon sensors housing type 2 20 for CO2 sensors housing type 2 30 for hydrocarbon sensors housing types 1 and 3 60 for CO2 sensors housing types 1 and 3 Table 4 Electrical specifications marking and standards compliance Operating supply voltage VDC min max 3 0 5 0 Communication interface...

Страница 9: ...cordance with IEC EN 60079 11 insulation between intrinsically safe circuit and sensor housing which withstands test voltage of 500 V in accordance with EN 60079 11 Combined intrinsically safe sensor circuits parameters IECEx ATEX Ui 5 0 V Ii 450 mA Pi 0 25 W Ci 38 8 µF Li 0 mH CAN CSA Vmax 5 0 V Imax 450 mA Pmax 0 25 W Ci 38 8 µF Li 0 mH It is allowed to connect sensor only to intrinsically safe ...

Страница 10: ...ensor updates information about concentration every 1 28 0 065 seconds Sending any command more often than one time per second 1 Hz may reduce sensor accuracy Sensor housing type 3 may accumulate an electrostatic charge Thus there is risk of electrostatic discharge Clean only using a damp cloth Correct measurement is provided when ambient temperature changes not faster than 0 6 C min Covering diff...

Страница 11: ...sor upper edge 2 MPa Span calibration is necessary during sensor s initial installation into gas analyzers and during preparation for the equipment checking Manual zeroing must be performed after prolonged storage without power supply after transportation as well as after dust filter is applied see Appendix D 1 It is required to perform span calibration at least once in 30 months 6 1 Preparation I...

Страница 12: ...A for power consumption of sensor connected via barrier see Fig 4 and Fig 5 Average current consumption may increase up to 10 mA over about 60 ms when UART is active Pulse repetition period is increased by the time of data processing on UART see Fig 3 Use intrinsically safe circuit connections represented in Appendix B Sensor power supply has to follow requirements of IEC 60079 0 and IEC 60079 11 ...

Страница 13: ...Y REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 1 Typical sensor voltage drop after power up input voltage 3 3 VDC load resistance R 100 Ohm Fig 2 Typical sensor voltage drop input voltage 3 3 VDC resistance 100 Ohm 0 5 0 0 5 1 1 5 2 2 5 0 1 0 1 0 3 0 5 0 7 0 9 1 1 1 3 1 5 Voltage V Time s 0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 015 0 01 0 005 0 0 005 0 01 0 015 Voltag...

Страница 14: ...ary 19th 2017 Page 14 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 3 Typical sensor voltage drop when UART is active command Fig 4 Typical barrier voltage drop waveform 3 3 V input 0 1 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 0 02 0 01 0 0 01 0 02 0 03 Voltage V Time s ...

Страница 15: ... SENSOR MIPEX 02 X X X 1 X RX ESAT 413347 005 UM Revision 3 0 January 19th 2017 Page 15 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 5 Typical current consumption waveform 3 3 V input R 30 Ohm C 20 µF ...

Страница 16: ...by sending DATAE2 command via UART interface for DATAE2 command description see Appendix C 2 1 for status bytes description and recommendations see Table 12 Sensor span calibration and zeroing should be performed next Methods of sensor span calibration and zeroing are given in Appendix D 1 6 5 Connecting multiple sensors to single UART line It is possible to connect to single UART line up to 256 s...

Страница 17: ...SE LLC IS PROHIBITED Fig 6 Connection diagram of multiple sensors to single UART line Resistors are calculated as follows 1 Determine the quantity of sensors N that should be connected to single UART line 2 Determine forward voltage Uf of Schottky diodes VD_N 3 Calculate the minimum allowed resistance Rmin by using the following equation Rmin Uh Uf Iout N 1 where Uh maximum high logic level voltag...

Страница 18: ...nds to indicator mode To switch sensor power consumption mode resetting its power supply is not necessary Use the following commands to control power consumption mode see Appendix C 2 6 LOWPW1 switches on low power consumption mode LOWPW0 switches off low power consumption mode LOWPW returns status of low power consumption mode While low power consumption mode is active Power consumption 1 8 mW Se...

Страница 19: ...TED 7 STORAGE AND TRANSPORTATION Transportation can be done by all means of transportation in covered vehicles as well as in a heated pressurized plane compartments in accordance with the rules of cargoes transportation actual for the respective type of transportation Sensor in manufacturer s package should be kept in supplier and customer s storages under storage conditions specified in Table 2 A...

Страница 20: ...s and or if any damage is caused by exposure to extremely high or low temperatures corrosion oxidation ingression of any foreign objects materials liquids insects if sensor was damaged by using connection circuit that does not comply with requirements stated in this UM if damage is caused by force majeure accident intentional or careless actions of the customer or third parties if damage or fault ...

Страница 21: ... 19th 2017 Page 21 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED 9 CONTACTS MIPEX TECHNOLOGY Оptosense LLC 27AD Engelsa prospekt St Petersburg 194156 Russia Tel fax 7 812 633 0594 633 0595 web http www mipex tech com e mail info mipex tech com support support mipex tech com ...

Страница 22: ...sor housing made of stainless steel with diffusion holes in its reflecting cover 2 sensor housing made of stainless steel with diffusion holes in its reflecting cover and with additional side diffusion holes 3 sensor housing made of plastic LEXAN with diffusion holes in its reflecting cover Electrical equipment group according to ATEX directive 94 9 EC I or II Target gas 1 CH4 2 C3H8 CmHn 3 CO2 4 ...

Страница 23: ... 20 50 02 MIPEX 02 1 II D 1 X 12 0 5 12 MIPEX 02 1 II D 1 X 22 0 100 22 MIPEX 02 1 II D 1 X 61 C3H8 0 1 5 40 60 61 MIPEX 02 1 II D 1 X 71 0 2 5 71 MIPEX 02 1 II D 1 X 62 0 1 5 20 50 62 MIPEX 02 1 II D 1 X 72 0 2 5 72 MIPEX 02 2 II D 1 X 61 C3H8 C3H8 0 1 5 40 60 61 MIPEX 02 2 II D 1 X 71 0 2 5 71 MIPEX 02 2 II D 1 X 62 0 1 5 20 50 62 MIPEX 02 2 II D 1 X 72 0 2 5 72 MIPEX 02 3 I D 1 X 30 CO2 CO2 0 1...

Страница 24: ...range of 10 20 C and 25 40 C 0 4 vol or 20 of indication whichever is greater within the range of 40 10 C and 40 60 C C3H8 CO2 0 05 vol or 5 of indication whichever is greater within the range of 20 25 C 0 1 vol or 30 of indication which ever is greater at 100 kPa test 80 kPa 100 kPa 120 kPa 0 1 vol or 15 of indication which ever is greater at 40 C test 20 RH 50 RH 90 RH 0 1 vol or 10 of indicatio...

Страница 25: ...S PROHIBITED Fig 8 Typical sensitivity of MIPEX 02 2 X X 1 X target and calibration gas is C3H8 to other hydrocarbons Fig 9 Typical sensitivity of MIPEX 02 4 X X 1 X target gas is CH4 СН4 С2H6 and calibration gas is CH4 to other hydrocarbons 0 20 40 60 80 100 120 140 0 20 40 60 80 100 120 Sensor readings LEL CGM concentration LEL C3H8 C4H10 C5H12 C6H14 CH4 0 20 40 60 80 100 120 0 20 40 60 80 100 1...

Страница 26: ...017 Page 26 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 10 MIPEX 02 X X 1 1 X housing type 1 overall dimensions in millimeters Fig 11 MIPEX 02 X X 2 1 X housing type 2 overall dimensions in millimeters Fig 12 MIPEX 02 X X 3 1 X housing type 3 overall dimensions in millimeters ...

Страница 27: ...NSOR MIPEX 02 X X X 1 X RX ESAT 413347 005 UM Revision 3 0 January 19th 2017 Page 27 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Table 7 Sensor pinout Pin Purpose Tx UART TxD output Rx UART RxD input Vdd GND ...

Страница 28: ...450 mA Pi 0 25 W Ci 38 8 μF Li 0 mH CAN CSA Vmax 5 0 VDC Imax 450 mA Pmax 0 25 W Ci 38 8 μF Li 0 mH NET Tx Rx Intrinsically safe power supply and monitoring circuit EXPLOSION HAZARDOUS AREA NET Vdd TxD output RxD input GND Fig 13 Connection diagram for MIPEX 02 USB Pin 1 2 3 4 NET 5V D GND D Pin 1 2 NET SPC GND Vmes NET RxD input TxD output R MIPEX 02 NET Tx Rx Vdd MIPEX 02 03 interface board GND ...

Страница 29: ...G SENSOR MIPEX 02 X X X 1 X RX ESAT 413347 005 UM Revision 3 0 January 19th 2017 Page 29 of 46 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 15 Example of connecting MIPEX 02 to ia intrinsically safe circuit ...

Страница 30: ...dix C 1 General information Data exchange with MIPEX 02 sensors is performed via UART interface Sensor has symbol rate of 9600 baud Data format 8 bit message 1 stop bit no parity checking Electrical parameters of UART are pointed in section 6 3 General command format any command stated in this UM as X where X stands for a command text consisted of any number of characters must be read and or sent ...

Страница 31: ...ommands available for user to request concentration value Primary command to request measured data is X as it requires minimum power to process it Request syntax USER mode OEM mode Response description Command description yes yes 2 bytes in binary format see Table 8 Returns sensor readings of scaled concentration C1 not periodically single time only X yes yes symbol in ASCII format and 2 bytes in ...

Страница 32: ...41 0D Byte number 1 5 6 Byte data C1 hex 0D Table 10 Structure of response to DATAE command Command DATAE hex 44 41 54 41 45 0D Byte number 1 2 3 4 5 Byte data9 C1H C1L StatusByte CRC hex 0D Table 11 Structure of response to DATAE2 command Command DATAE2 hex 44 41 54 41 45 32 0D Byte number 1 2 3 4 5 6 Byte data10 C1H C1L StatusByteH StatusByteL CRC hex 0D Fig 16 High and low bytes structure 8 Hig...

Страница 33: ...information 4 4 21 Dynamic temperature mode temperature changes faster than by 0 6 C min Do not perform span calibration or zeroing 5 5 22 Dynamic temperature mode temperature changes faster than by 2 C min Do not perform span calibration or zeroing 6 6 40 Exceeding temperature limits Check the ambient temperature 7 7 90 Firmware failure flash memory issues Contact support for details 8 11 Data re...

Страница 34: ...d for changing current password for switching com mands level from USER to OEM XXXX stands for old password and YYYY stands for new one New password should contain only digits 0 9 in ASCII format UART yes yes USER or OEM Returns active access level USER no yes Response contains of word USER in ASCII format and 0D symbol Switches commands level from OEM to USER Appendix C 2 3 Commands for requestin...

Страница 35: ...coefficient for sensor calibration range of 0 5 vol XXXXX is the coefficient value incre mented to 10000 for example to write the scale coefficient of 0 009 send CALB2 00090 This com mand can be used to recalibrate sen sor if scale coefficient is known The scale coefficients for different gases are individual for each sensor To achieve cross coefficients contact support CALB2 YYYYY no yes CALB2 YY...

Страница 36: ...eadings In case if sensor does not comply to its metrological specifications perform span calibration see Appendix D 1 SETC XXXXX yes yes SETC XXXXX OK or SETC XXXXX FAULT Intended for determining the current ambient temperature in Celsius degrees XXXXX stands for degrees i e 00023 23 C Sensor writes current temperature ADC value to its memory UPLOAD no yes U_OK By this command sensor is set to fi...

Страница 37: ... of information and 0D symbol Returns a number contained in cell XX 00 09 of sensor memory user section USERDATAXX YYYYY no yes USERDATAXX YYYYY OK Writes a number YYYYY 00000 99999 to cell XX 00 09 of sensor memory user section Table 13 Negative values in concentration field while INDSIG mode is on Concentration value in ASCII format Concentration value in hex format Status word compliance see Ta...

Страница 38: ...symbol Intended to assign a new net address AA to sensor with address BB NETOFF no yes NETOFF OK or NETOFF FAULT Cancels storing of sensor s net address in sensor memory After sensor receives this command and sensor power resets sensor s net address becomes 00 NETON no yes NETON OK or NETON FAULT Allows assigning and storing sensor s net address by using AABB command Appendix C 2 6 Commands for co...

Страница 39: ...sure on sensor housing 98 humidity pressure of flowing gas less than 99 kPa and more than 103 kPa temperature changes faster than by 0 6 C min dust ingress if dust filter is not used data request rate more than 1 Hz 4 Recommended gas feeding rate when using gas adapters ESAT 200210 00 100 150 mL min for one sensor 500 600 mL min for 50 consecutively connected sensors 5 For CO2 sensors perform zero...

Страница 40: ... value must not deviate from the current readings of more than 20 times and also must not be less than 11 C 20 C1 C 0 05 C 10 4 2 CGM must contain more than 0 2 vol of target gas 4 3 if these conditions are not met sensor responds CALB AAAA FAULT 5 Stop feeding CGM 2 into sensor atmosphere 6 Feed CGM 3 into sensor atmosphere and check sensor readings 7 For methane sensors calibrated up to 100 vol ...

Страница 41: ... the Standard designation 1 N2 0 ISO 2435 73 2 CH4 N2 2 2 50 0 25 0 04 ГОСТ 3883 87 3 CH4 N2 4 15 94 0 25 0 04 ГОСТ 3883 87 4 CH4 N2 40 2 5 0 4 ГОСТ 3892 87 Table 15 CGMs used for C3H8 span calibration CGM number according to text Components composition Content of propane vol LEL Permissible deviation limits vol Limits of permissible error of qualification vol A number as listed in the State Regis...

Страница 42: ...fficients 4 Change temperature in the range of 40 60 C with a pitch of 12 5 C For each of 9 points of temperature range lock the temperature for at least 20 minutes 5 When temperature is stable for each of 9 points of temperature range send ZERO command by which a current temperature ADC value and ratio St value see Table 17 are written to sensor memory see Fig 18 Fig 18 Scheme of adjusting the te...

Страница 43: ...lastic membrane Vladipor MFFC TC 6 55 221 1413 2004 On the filter backside there is an adhesive layer 3M Double Linered Laminating Adhesive 7952 in hatched areas in Fig 20 and Fig 21 Fig 20 Top filter dimensions Fig 21 Side filter dimensions Perform the following steps to attach dust filter Perform this work in a well illuminated and well ventilated area Once a dust filter is attached to sensor su...

Страница 44: ... to error persists please contact support Contacting support send log file with periodic responses to command F which is intended exclusively for detailed diagnostics It returns comprehensive information on sensor readings and its status Sensor power consumption stated in section 6 3 is not guaranteed while using this command Command F returns 72 bytes in ASCII format and 0D symbol Unlike DATAE2 i...

Страница 45: ...symbol 20 24 Uref Reference signal in ADC counts 25 Hex 09 Tabulation symbol 26 30 Stz0 The ratio St considering ZERO and ZERO2 coefficients 31 Hex 09 Tabulation symbol 32 36 Stz The ratio Stz0 considering the drift compensation algorithm 37 Hex 09 Tabulation symbol 38 42 Stzkt The ratio Stz considering the coefficient of temperature sensitivity 43 Hex 09 Tabulation symbol 44 48 C Sensor readings ...

Страница 46: ...d Possibility of condensed moisture on optical elements Dry sensor After drying if this status lasts longer than for 20 minutes at stable conditions replace sensor 31 8 Zero shifts to negative value Possibility of condensed moisture on optical elements Dry sensor After drying if this status lasts longer than for 20 minutes at stable conditions perform zeroing see Appendix D 1 for procedure descrip...

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