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Optosense LLC 

USER MANUAL 

Design department 

MIPEX-04 ULTRA-LOW POWER INFRARED GAS SENSOR 

 

ESAT.100000.00.02 UM 

Revision 02 

December 12th, 2016 

Page 24 of 41 

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

 

UART

Extended power supply

Micro-USB

Pin

1

2

3

4

NET

+5V

D+

GND

D-

Pin

1

2

NET

SPC

GND

V

mes

NET

RxD

TxD

PWR

R

MIPEX-04

NET

PWR

GND

EMPTY

TxD

RxD

GND

GND

GND

GND

GND

GND

GND

GND

5

NET

PWR

+2.8...5.0 V

GND

Pin

1

2

MIPEX-04 interface board

Pin

1

2

NET

RxD

GND

TxD

3

 

Fig. 9. Connection diagram for MIPEX-04 via MIPEX-04 interface board (ESAT.200100.00) during span 

calibration (SPC 

– pin for measuring sensor power consumption; V

mes

 

– voltmeter) 

 

Summary of Contents for MIPEX-04

Page 1: ...ARED GAS SENSOR ESAT 100000 00 02 UM Revision 02 December 12th 2016 Page 1 of 41 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED ULTRA...

Page 2: ...PROHIBITED Document revisions Rev Date Common changes 02 December 12th 2016 Formatting Temperature zero adjustment manual mode has been excluded see Appendix D 2 Added information on displaying certai...

Page 3: ...ted 13 7 Storage and transporation 14 8 Warranty 15 9 Contacts 16 Appendix A Sensor types and characteristics 17 Appendix B Connection diagram 23 Appendix C Sensor communication protocol 26 Appendix C...

Page 4: ...9 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 Any command stated in this UM as X where X stands for a command text consisted of any number of characte...

Page 5: ...nly 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 m Gas flowing through the cell absorbs the radiation o...

Page 6: ...ectancy 3 not less than years 7 IP rating 20 without dust filter 54 if a dust filter provided by Optosense LLC is applied see Appendix E Table 3 Measurement specifications Typical measurement range vo...

Page 7: ...specifications marking and standards compliance Operating supply voltage VDC 2 8 5 0 Max supply voltage VDC 5 5 Communication interface UART Average current A 35 Marking and standards compliance Senso...

Page 8: ...oviding the required electrical clearances and creepage paths in accordance with EN 60079 11 Combined intrinsically safe sensor circuits parameters IECEx ATEX Ui 5 5 V Ii 200 mA Pi 0 13 W Ci 26 F Li 0...

Page 9: ...ending any command more often than one time per 2 second 0 5 Hz may reduce sensor accuracy and increase its current consumption Correct measurement is provided when ambient temperature changes not fas...

Page 10: ...entigrade leave it at 10 35 C for at least an hour Remove the packaging Make sure there are no mechanical injuries on sensor surfaces 6 2 Mounting Sensor should be mounted with its contacts soldered t...

Page 11: ...and is designed for continuous 24 7 operation End user equipment UART transceiver should meet the requirements of standards IEC 60079 0 IEC 60079 11 Sensor UART transceiver communication properties a...

Page 12: ...EN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 2 Typical voltage drop within a single operating period 3 3 V Input R 100 Ohm Fig 3 Typical voltage drop within a single operating period and while dat...

Page 13: ...tion value is displayed as 32767 hex 7FFF Sensor updates information about concentration every 1 32 0 04 seconds depends on ambient temperature and whether UART is active or not Correct measurement is...

Page 14: ...AGE AND TRANSPORATION 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 transp...

Page 15: ...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 circ...

Page 16: ...6 Page 16 of 41 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED 9 CONTACTS MIPEX TECHNOLOGY ptosense LLC 27AD Engelsa prospekt St Pete...

Page 17: ...C ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED APPENDIX A SENSOR TYPES AND CHARACTERISTICS MIPEX 04 B RX 3 1 Interface options 1 UART Housing type 3 Plastic Applicati...

Page 18: ...X code MIPEX 04 1 00 3 1 CH4 CH4 0 2 5 10 40 00 MIPEX 04 1 10 3 1 0 5 10 MIPEX 04 1 20 3 1 0 100 20 MIPEX 04 1 01 3 1 0 2 5 40 60 01 MIPEX 04 1 11 3 1 0 5 11 MIPEX 04 1 21 3 1 0 100 21 MIPEX 04 1 02 3...

Page 19: ...ation at 40 C test 20 RH 50 RH 90 RH 0 2 vol or 10 of indication whichever is greater within the 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...

Page 20: ...IBITED Fig 4 Typical sensitivity of MIPEX 04 1 XX 3 1 target and calibration gas is CH4 to other hydrocarbons Fig 5 Typical sensitivity of MIPEX 04 2 XX 3 1 target and calibration gas is C3H8 to other...

Page 21: ...M Revision 02 December 12th 2016 Page 21 of 41 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Table 7 Sensor pinout Pin Purpose 8 2 8...

Page 22: ...RED GAS SENSOR ESAT 100000 00 02 UM Revision 02 December 12th 2016 Page 22 of 41 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED Fig 7...

Page 23: ...SENSE LLC IS PROHIBITED APPENDIX B CONNECTION DIAGRAM MIPEX 04 X XX 3 1 Combined input parameters IECEx ATEX Ui 5 5 V Ii 200 mA Pi 0 13 W Ci 26 F Li 0 mH CAN CSA Vmax 5 5 V Imax 200 mA Pmax 0 13 W Ci...

Page 24: ...NSE LLC IS PROHIBITED UART Extended power supply Micro USB Pin 1 2 3 4 NET 5V D GND D Pin 1 2 NET SPC GND Vmes NET RxD TxD PWR R MIPEX 04 NET PWR GND EMPTY TxD RxD GND GND GND GND GND GND GND GND 5 NE...

Page 25: ...INFRARED GAS SENSOR ESAT 100000 00 02 UM Revision 02 December 12th 2016 Page 25 of 41 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED...

Page 26: ...e 1 stop bit no parity checking Electrical parameters of UART transceiver are pointed in section 6 3 General command format any command stated in this UM as X where X stands for a command text consist...

Page 27: ...command to request measured data is X as it requires minimum power to process it Sending rate of these commands should not be more than 0 5 Hz Request syntax USER mode OEM mode Response description Co...

Page 28: ...2 1 2 3 Byte data C1H7 C1L hex 0x40 C1H C1L Table 9 Structure of response to DATA command Command DATA hex 44 41 54 41 0D Byte number 1 5 6 Byte data C1 hex 0x0D Table 10 Structure of response to DATA...

Page 29: ...pera ture changes faster than by 0 6 C min Do not perform span calibration or zeroing 5 22 Dynamic temperature mode tempera ture changes faster than by 2 C min Do not perform span calibration or zeroi...

Page 30: ...urrent 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...

Page 31: ...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 scal...

Page 32: ...r INIT FAULT Resets sensor to the factory calibration settings SETC XXXXX yes yes SETC XXXXX OK or SETC XXXXX FAULT Intended for determining the current ambient temperature in Celsius degrees XXXXX st...

Page 33: ...s USERDATAXX YYYYY OK Writes a number YYYYY 00000 99999 to cell XX 00 09 of sensor memory user section Table 12 Status word displaying in concentration field while INDSIG mode is active Concentration...

Page 34: ...ld be carried out by qualified personnel outside of an explosive area under normal conditions in the following sequence 1 Communicate sensor via UART interface example based on MIPEX 04 interface boar...

Page 35: ...mosphere and check sensor readings 7 For methane sensors calibrated up to 100 vol repeat the procedure steps 3 4 and 5 with CGM 4 If requirements to sensor readings variation are not met in accordance...

Page 36: ...in the State Register or in the Standard designation 1 N2 0 ISO 2435 73 2 C3H8 N2 0 85 50 0 05 0 015 5328 90 3 C3H8 N2 1 6 94 0 1 0 05 EM 06 01 648 Appendix D 2 Temperature dependence of zero adjustm...

Page 37: ...POWER INFRARED GAS SENSOR ESAT 100000 00 02 UM Revision 02 December 12th 2016 Page 37 of 41 THE SOLE PROPERTY OF OPTOSENSE LLC ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHI...

Page 38: ...oroplastic membrane Vladipor MFFC TC 6 55 221 1413 2004 On the filter back side there is an adhesive layer 3M Double Linered Laminating Adhesive 7952 in hatched areas in Fig 14 Fig 14 Dust filter outl...

Page 39: ...rt 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 consump...

Page 40: ...ts 19 Hex 0x09 Tabulation symbol 20 24 Uref Reference signal in ADC counts 25 Hex 0x09 Tabulation symbol 26 30 Stz0 The ratio St considering ZERO and ZERO2 coefficients 31 Hex 0x09 Tabulation symbol 3...

Page 41: ...lower than it is allowed A possibility of exposure to moisture Dry sensor After drying if this status lasts longer than for 20 minutes at stable conditions replace sensor 31 8 The ratio Stz0 exceeds...

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