OPTOSENSE LLC
Design Department
USER
MANUAL
SMALL-SIZE EXPLOSIVE GAS MEASURING SENSOR MIPEX-02-
Х-X-X.1 X
File name: ESAT.413347.006 UM v.2.0.docx
Revision 2.0 27 August 2015
Page. 3 of 38
THE SOLE PROPERTY OF OPTOSENSE LLC.
ANY REPRODUCTION
WITHOUT THE WRITTEN PERMISSION OF OPTOSENSE LLC IS PROHIBITED.
Table of Contents
INTRODUCTION ............................................................................................................................ 4
1.
DESCRIPTION........................................................................................................................ 5
2.
TECHNICAL SPECIFICATIONS ............................................................................................. 6
3.
INTRINSIC SAFETY ............................................................................................................... 8
4.
PRECAUTIONS ...................................................................................................................... 9
5.
INSTALLATION AND SERVICES ........................................................................................ 10
6.
STORAGE AND TRANSPORTATION .................................................................................. 12
7.
WARRANTY ......................................................................................................................... 13
8.
CONTACTS .......................................................................................................................... 14
APPENDIX A.
SENSOR TYPES AND CHARACTERISTICS. ............................................... 15
APPENDIX B.
CONNECTION DIAGRAM. ............................................................................ 21
APPENDIX C.
UART COMMUNICATION PROTOCOL. ....................................................... 24
C.1.
General information ........................................................................................................... 24
C.2.
Work modes ...................................................................................................................... 24
C.3.
Protocol commands ........................................................................................................... 24
C.3.1.
Operating commands ........................................................................................ 24
C.3.2.
Request commands of factory settings and properties. ...................................... 28
C.3.3.
Sensor setting and calibration commands ......................................................... 30
C.4.
Firmware update ............................................................................................................... 32
C.5.
Troubleshooting ................................................................................................................ 33
APPENDIX D.
SENSOR ZEROING AND CALIBRATION. .................................................... 34
D.1.
Zeroing .............................................................................................................................. 34
D.1.1.
Autozero. ........................................................................................................... 34
D.1.2.
Manual zeroing in whole temperature range. ..................................................... 35
D.1.3.
Manual zeroing in different points of temperature range. ................................... 35
D.2.
Scaling .............................................................................................................................. 35
APPENDIX E.
DUST FILTERS. ................................................................................................ 38
List of abbreviations:
CGM
– Control Gas Mixture;
EMI - Electromagnetic Interference;
LEL
– Lower Explosive Limit;
NDIR - Non-Dispersive Infra-Red;
UART - Universal Asynchronous Receiver/Transmitter.
