Mipex -02 1 Series User Manual
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Mipex -02 1 Series User Manual

Small-size explosive gas measuring sensor
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OPTOSENSE LLC
USER MANUAL
Design Department
SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X
SMALL-SIZE EXPLOSIVE GAS MEASURING
SENSOR MIPEX-02-Х-X-X.1 X
USER MANUAL
ESAT.413347.005 UM
File name: ESAT.413347.006 UM v.2.0.docx
Revision 2.0 27 August 2015
Page. 1 of 38
THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.

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  • Page 1 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X USER MANUAL ESAT.413347.005 UM File name: ESAT.413347.006 UM v.2.0.docx Revision 2.0 27 August 2015 Page. 1 of 38 THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.
  • Page 2 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X THE INFORMATION CONTAINED IN THIS DOCUMENT IS THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION IN PART OR AS A WHOLE WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.

  • Page 3: Table Of Contents

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table of Contents INTRODUCTION ..........................4 DESCRIPTION........................5 TECHNICAL SPECIFICATIONS ..................... 6 INTRINSIC SAFETY ....................... 8 PRECAUTIONS ........................9 INSTALLATION AND SERVICES ..................10 STORAGE AND TRANSPORTATION .................. 12 WARRANTY .........................

  • Page 4: Introduction

    SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X INTRODUCTION MIPEX-02-Х-Х-X.1 X (hereinafter, sensor or MIPEX-02) is the gas sensor, which is intended for automatic continuous measurement of concentration of hydrocarbons in explosive areas and carbon dioxide. The sensor is used for gas detection in atmosphere.

  • Page 5: Description

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 1. DESCRIPTION The principle of sensor operation is based on NDIR technology. Infrared radiation of the LED passed through the measuring gas diffusion cell and reaches the two of photodetectors, one of which detects radiation in the wavelength range of 3.25 to 3.45 m only, while the other one detects radiation in the wavelength range of 3.45 to 3.7 m.

  • Page 6: Technical Specifications

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 2. TECHNICAL SPECIFICATIONS Table 1. Technical specification (available options see Appendix A). Gas sampling method: Diffusion Operating principle: Non-Dispersive Infra-Red (NDIR) +С Н Target gas Relative humidity, %...
  • Page 7 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Supply Voltage Range: +3.0… +5.0 VDC Output signal digital UART Power consumption, mW <5 Warm-up time (not more), min Degree of personal protection against meets the requirement of class III GOST 12.2.007.0 electrical shock caused by the sensor Ex ia I U/Ex ia IIC U.

  • Page 8: Intrinsic Safety

    (U0) within the range of not less than 3 V and not more than 5 V, with the output power (P0) - not less than 0.02 W and not more than 0.25 W. The gas-analyzing equipment, which is used with MIPEX-02, must meet the requirements of IEC60079–0, IEC60079–11, IEC 60079-14 and have parameters conforming the MIPEX-02 intrinsic safety pointed above.

  • Page 9: Precautions

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 4. PRECAUTIONS  Inspection and maintenance of the sensor should be carried out by suitably trained personnel in accordance with the applicable code of practice (e.g. EN 60079-17).

  • Page 10: Installation And Services

    SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 5. INSTALLATION AND SERVICES  Models MIPEX-02-X-X-3.1 X are potential electrostatic charging hazard – clean them with a damp cloth only. Take it into account during installation and operation of the sensor in end-user equipment.
  • Page 11 - Maximum output current of UART not more than 25 mA.  MIPEX-02 has pulsing power consumption. Maximum current might shortly rise up to 10 mA during 10 ms pulse length. Average consumption is less than 1 mA (see Fig. 8).

  • Page 12: Storage And Transportation

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 6. STORAGE AND TRANSPORTATION The transportation of the sensors should be performed by all means of transportation in covered transportation vehicles as well as in the heated pressurized plane compartments in accordance with the rules of cargoes transportation effective for the respective type of transportation.

  • Page 13: Warranty

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 7. WARRANTY The Manufacturer guarantees compliance of the sensors with specifications and requirements stated in this UM if Customer meets conditions of operation, transportation and storage. During the warranty period, Customer has the right to get replace or repair of all the products that, according to its unquestionable valuation, are found to be defective, if defect is due to a fault of Manufacturer.

  • Page 14: Contacts

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X 8. CONTACTS MIPEX Technology /Оptosense LLC 27, AD, Engelsa prospect, 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 File name: ESAT.413347.006 UM v.2.0.docx Revision 2.0 27 August 2015...

  • Page 15: Appendix A. Sensor Types And Characteristics

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Appendix A. Sensor types and characteristics. MIPEX-02-B-C-D.1 A Pins length version: If not specified - 5.75 mm pins; A – 4.6 mm pins. Output format: 1 – UART.
  • Page 16 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table 2. MIPEX-02-X-X-X.1 X types and overall dimensions. File name: ESAT.413347.006 UM v.2.0.docx Revision 2.0 27 August 2015 Page. 16 of 38 THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.
  • Page 17 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Fig. 1. Sensor pinout. Table 3. Individual specifications of the sensor (RX code). RX code Target Calibration Measurement Temperature Application range, ⁰C range (marking) 0-2.5 % Vol 0-5 % Vol -10…...
  • Page 18 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table 4. Response time of the sensors. Max. response Construction Target gas time t(90), sec CH4/СН4+С2H6 stainless steel, “Standard” and plastic C3H8 CH4/СН4+С2H6 stainless steel, with side holes, “Fast response”...
  • Page 19 SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X C3H8 C2H6 C4H10 C6H14 C2H4 Calibrated concentration, % LEL Fig. 2. Typical sensitivity of MIPEX-02-1-X-X.X X (target and calibration gases – CH4) to other hydrocarbons. C3H8 C4H10 C5H12 C6H14 Calibrated concentration, % LEL Fig.
  • Page 20 C2H6 C4H10 C6H14 C2H4 Calibrated concentration, % LEL Fig. 4. Typical sensitivity of MIPEX-02-4-X-X.X X(target gas - CH4/СН4+С2H6, calibration gas – CH4) to other hydrocarbons. File name: ESAT.413347.006 UM v.2.0.docx Revision 2.0 27 August 2015 Page. 20 of 38 THE SOLE PROPERTY OF OPTOSENSE LLC. ANY REPRODUCTION WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.

  • Page 21: Appendix B. Connection Diagram

    Appendix B. Connection diagram. Fig. 5. Connection diagram for MIPEX-02-Х-XХ-X.1 Fig. 6 Connection diagram for MIPEX-02 with USB-MIPEX converter during testing. In Fig. 7 presented an example of sensor connection to “ia” intrinsic safety with the following characteristics: R value between 25…30Ohm, C = 20uF or over. For any other R more than 30Ohm, use the next equipment to found a minimum necessary capacitance: C(uF) = 2/3*R(Ohm).
  • Page 22 C = 20uF and resistor R = 30Ohm in power supply part of the diagram in Fig. 1, the output voltage of the barrier during the current pulses are not less than 3.1V, then MIPEX will work properly (without negative influence on performance ). If capacitor C = 20uF and resistor R = 60 Ohm, the barrier output voltage falls below the minimum supply voltage 3.0V.
  • Page 23 To be completely sure, that sensor will be powered properly, we recommend to check supply voltage using oscilloscope while working with your device. Fig. 8. Diagrams of typical MIPEX-02 current consumption and barrier voltage drop. File name: ESAT.413347.006 UM v.2.0.docx Revision 2.0 27 August 2015...

  • Page 24: Appendix C. Uart Communication Protocol

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Appendix C. UART communication protocol. Firmware release 25.6 Always check the command syntax before sending. The commands, other than specified in user manual are not allowed. Otherwise it might bring to malfunction of the sensor.
  • Page 25 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table 6. Sensor operating commands Command in Available in Command name Response Description OEM mode USER mode Response in HEX. The command @ is 16-bit concentration data. The Requests of concentration.
  • Page 26 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table 7. Structure of F command response Byte number Byte data Data description Special character Termo Sensor temperature in ADC readings Tabulation 8-12 <St> Ratio Us/Uref with temperature index...
  • Page 27 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table 9. Status word description Status Status byte L byte H Status word Description Recommendation (DATAE or (DATAE or DATAE2) DATAE2) Normal mode, static temperature Bit 0 Warm-up Do not perform calibration.

  • Page 28: Request Commands Of Factory Settings And Properties

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X C.3.2. Request of factory settings and properties. commands The commands shown in Table 10 are used for sensor setup, check the factory settings and firmware update. There is able to work with up to 256 sensors in one UART line. Use prefix #XX before any command to send commands to any sensor in one UART line.
  • Page 29 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X The response includes the sensor type data (MIPEX model, target gas, ASCII 5-byte Check the type code (TYPE) housing code and pinout code). The response format available by and 0Dh request.

  • Page 30: Sensor Setting And Calibration Commands

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X C.3.3. Sensor setting and calibration commands The commands shown in Table 11 are used during sensor calibration. The procedure and used equipment described in Sensor zeroing. Table 11. Calibration and zeroing commands...
  • Page 31 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X XXXXX – temperature in Celsius degrees. With SETC command, SETC XXXXX SETC XXXXX One-point temperature calibration. sensor stores in memory the ambient temperature value. Also see CCS, CFS, CKS command description.

  • Page 32: Firmware Update

    Firmware update must be proceed with accordance to following description. Optosense LLC disclaims all liability for sensor malfunction due to mistakes committed by user during firmware update.  Firmware version 24.6 is compatible with previous version 24.2 for MIPEX- 02-3-X-X.1 X (СО ) only. ...

  • Page 33: Troubleshooting

    In case of malfunctions or errors of sensor do following steps: 1. Send in OEM mode sequence of commands F, SREVH, CONST, CONST2 in ASCII; 2. Save responses in log-file; 3. Send this log-file with comments via e-mail support@mipex-tech.com. Example of log-file listing obtained by MIPEX...

  • Page 34: Appendix D. Sensor Zeroing And Calibration

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Appendix D. Sensor zeroing and calibration. 1. Closing gas-sampling holes of the sensor impairs response time. 2. Do not zeroing under span gas concentration. 3. Recommended zero-gas is nitrogen or clean air (no impurities).

  • Page 35: Manual Zeroing In Whole Temperature Range

    Similar, 10-13 ⁰С - fold interval should be taken between each points. Because of MIPEX-02-X-II-X.1 X temperature range could be divided on 8 interval, most time taking, but most precise procedure is 9-point zeroing.
  • Page 36 100% vol. CH4. No need to calibrate second range, it is out of use. List of CGM used for checking IR gas sensors MIPEX-02 The recalculation to % of LEL shall be effected in accordance with the following formula for concentration expressed in volume fraction, vol.
  • Page 37 OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Table 12. CGM used for CH4 calibration gas. CGM Nos Component Composition Permissible Limits of Number as per according composition of measured deviation permissible State Register to text component, limits, vol.

  • Page 38: Appendix E. Dust Filters

    OPTOSENSE LLC USER MANUAL Design Department SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-Х-X-X.1 X Appendix E. Dust filters. The dust filters are available on special request. For the “Standard” and “Plastic” housings is used Top filter ESAT.717100.001 only (see Fig. 11). For the “Fast response” modification is used additional Side filter ESAT.717100.002 (see Fig.

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