Detcon PI-700 0-500ppb - Manual (Page 3)

Model PI-700 0-500ppb
Model PI-700 0-500ppb iii
Table of Contents
1. Introduction ..................................................................................................................................................1
1.1 Description.......................................................................................................................................... 1
1.2 Sensor Electronics Design .................................................................................................................. 1
1.3 Modular Mechanical Design............................................................................................................... 2
1.4 Intelligent Plug-in PID Gas Sensor..................................................................................................... 3
2. Installation ....................................................................................................................................................4
2.1 ATEX Operational Guidelines for Safe Use....................................................................................... 4
2.2 Sensor Placement ................................................................................................................................ 4
2.3 Sensor Contaminants and Interference ............................................................................................... 6
2.4 Mounting Installation.......................................................................................................................... 6
2.5 Electrical Installation .......................................................................................................................... 7
2.6 Field Wiring........................................................................................................................................ 7
2.7 Initial Start Up..................................................................................................................................... 8
3. Operation ....................................................................................................................................................10
3.1 Programming Magnet Operating Instructions................................................................................... 10
3.2 Operator Interface ............................................................................................................................. 11
3.3 Normal Operation ............................................................................................................................. 12
3.4 Calibration Mode .............................................................................................................................. 13
3.4.1 AutoZero....................................................................................................................................... 13
3.4.2 AutoSpan ...................................................................................................................................... 13
3.5 Program Mode .................................................................................................................................. 16
3.5.1 View Sensor Status....................................................................................................................... 16
3.5.2 Set AutoSpan Level ...................................................................................................................... 18
3.5.3 Set Serial ID ................................................................................................................................. 18
3.5.4 Set Range...................................................................................................................................... 19
3.5.5 Set Gas Factor............................................................................................................................... 19
3.5.6 Set Zero Offset.............................................................................................................................. 20
3.5.7 Signal Output Check..................................................................................................................... 20
3.5.8 Restore Factory Defaults .............................................................................................................. 21
3.6 Program Features .............................................................................................................................. 21
3.6.1 Operational Features..................................................................................................................... 21
3.6.2 Fault Diagnostic/Failsafe Features ............................................................................................... 22
4. RS-485 Modbus™ Protocol .......................................................................................................................25
5. Service and Maintenance............................................................................................................................27
5.1 PID Plug-In Sensor Maintenance...................................................................................................... 27
5.2 Replacement of Intelligent Plug-in Sensor ....................................................................................... 33
5.3 Replacement of ITM ......................................................................................................................... 34
6. Troubleshooting Guide...............................................................................................................................36
7. Customer Support and Service Policy ........................................................................................................39
8. PI-700 Sensor Warranty .............................................................................................................................40
9. Appendix ....................................................................................................................................................41
9.1 Specifications.................................................................................................................................... 41
9.2 Gas Reference Table ......................................................................................................................... 42
9.3 Spare Parts, Sensor Accessories, Calibration Equipment ................................................................. 49
9.4 Revision History ............................................................................................................................... 51
9.5 Model PI-700 Engineering Drawings ............................................................................................... 52