Model 5100-02-IT Combustible Gas Sensor Module
Contents
TABLE OF CONTENTS
1.
PRODUCT DESCRIPTION .............................................................................................................................3
1.1 GENERAL........................................................................................................................................................3
1.2 PRODUCT CONFIGURATION........................................................................................................................3
1.3 THEORY OF OPERATION..............................................................................................................................3
1.4 MODES OF OPERATION................................................................................................................................3
1.4.1 SENTRY INTERFACE..............................................................................................................................3
1.4.2 MODBUS OPERATION............................................................................................................................5
1.4.3 ANALOG OPERATION ............................................................................................................................5
1.4.4 AUXILIARY RELAY OPERATION (Appendix E)......................................................................................5
1.4.5 ENHANCED CONNECTION (Appendix F) ..............................................................................................5
1.4.6 AUXILIARY RS-485 MULTIDROP (Appendix G).....................................................................................5
1.4.7 REMOTE SENSOR (Appendix D)............................................................................................................5
1.4.8 REMOTE ALARM RESET........................................................................................................................5
1.5 MECHANICAL .................................................................................................................................................5
1.5.1 ENCLOSURE ...........................................................................................................................................5
1.5.2 TRANSMITTER ELECTRONICS .............................................................................................................5
1.5.3 SENSOR ASSEMBLY..............................................................................................................................5
1.6 INTERCONNECT WIRING..............................................................................................................................6
1.7 POWER REQUIREMENTS .............................................................................................................................6
2. CAUTIONS & WARNINGS .............................................................................................................................7
2.1 INTRODUCTION .............................................................................................................................................7
2.2 IT MODULES - GENERAL ..............................................................................................................................7
2.3 WIRING............................................................................................................................................................7
2.3.1 CATALYTIC BEAD SENSOR MODULES................................................................................................8
3. INSTALLATION ..............................................................................................................................................9
3.1 SENSOR MODULE LOCATIONS...................................................................................................................9
3.2 WIRING............................................................................................................................................................9
3.2.1 ANALOG 4-20 mA OPERATION..............................................................................................................9
3.2.2 MODBUS OPERATION USING RS-485 CONNECTION ........................................................................9
3.2.3 SENTRY OPERATION USING SMC SENTRY CONNECTION..............................................................9
3.2.4 GENERAL ................................................................................................................................................9
3.3 ENCLOSURE INSTALLATION......................................................................................................................10
3.4 TRANSMITTER AND SENSOR INSTALLATION..........................................................................................10
3.5 INSTALLATION CONFIGURATION..............................................................................................................12
4. INTRODUCTION – HUMAN-MACHINE INTERFACE SYSTEM..................................................................15
4.1 HUMAN-MACHINE INTERFACE ..................................................................................................................15
4.2 MAIN MENU...................................................................................................................................................16
4.3 CONFIGURE SET-POINTS...........................................................................................................................17
4.4 MAINTENANCE FUNCTIONS.......................................................................................................................20
5. CALIBRATION..............................................................................................................................................21
5.1 CALIBRATION FREQUENCY .......................................................................................................................21
5.2 CALIBRATION PREPARATION....................................................................................................................21
5.2.1 CALIBRATION GAS DELIVERY METHODS.........................................................................................21
5.2.2 CALIBRATION PROCEDURE ...............................................................................................................21
5.2.3 SENSOR EXPOSURE TO GAS.............................................................................................................21
6. SERVICE .......................................................................................................................................................23
6.1 SENSOR MODULE CONFIGURATION........................................................................................................23