Spectrex SharpEye 40/40R, User Manual

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TM40/40R Rev. (Ad), February 2019 v
Table of Contents
Table of Contents ............................................................................................ v
List of Figures ................................................................................................ ix
List of Tables ................................................................................................... x
1 About this Guide ...................................................................................... 11
1.1 Release History ..................................................................................... 12
1.2 Glossary and Abbreviations .................................................................... 13
1.3 Notifications ......................................................................................... 14
2 Product Overview .................................................................................... 15
2.1 Approvals............................................................................................. 15
2.2 Model and Types ................................................................................... 16
2.3 Features and Benefits ............................................................................ 18
2.4 Principles of Operation ........................................................................... 18
2.4.1 Hydrocarbon Fire Detection .............................................................. 18
2.4.2 Heated Optics ................................................................................. 19
2.4.3 HART Protocol ................................................................................ 19
2.4.4 RS-485 Modbus .............................................................................. 19
2.4.5 Product Certification ........................................................................ 20
2.5 Performance Considerations ................................................................... 22
2.5.1 Detection Sensitivity ....................................................................... 22
2.5.2 Cone of Vision ................................................................................ 23
2.5.3 False Alarm Prevention .................................................................... 24
2.5.4 Visual Indicators ............................................................................. 24
2.5.5 Output Signals ................................................................................ 25
2.5.6 Detector Status .............................................................................. 26
2.5.7 Auxiliary Relay as End-of-Line .......................................................... 28
2.6 Internal Detector Tests .......................................................................... 28
2.6.1 Continuous Feature Test .................................................................. 28
2.6.2 Response to Fault Indication ............................................................ 29
2.6.3 Built-In-Test (BIT) .......................................................................... 29
3 Installing the Detector ............................................................................ 33
3.1 General Guidelines ................................................................................ 33
3.1.1 Sensitivity ...................................................................................... 33
3.1.2 Wiring ........................................................................................... 33