Detcon IR-700 - Plug-in Replaceable Sensor

Model IR-700
Model IR-700 iv
10. Revision Log ......................................................................................................................................... 44
Table of Figures
Figure 1 Sensor Cell Construction ....................................................................................................................... 1
Figure 2 Principle of Operation ............................................................................................................................ 2
Figure 3 Response Curve ..................................................................................................................................... 2
Figure 4 ITM Circuit Functional Block Diagram ................................................................................................. 3
Figure 5 Sensor Assembly Front View ................................................................................................................ 3
Figure 6 Sensor Assembly Breakaway ................................................................................................................. 4
Figure 7 IR Sensor Cell ........................................................................................................................................ 4
Figure 8 HazLoc Certification Approval Label .................................................................................................... 5
Figure 9 Outline and Mounting Dimensions (Sensor Assembly only)................................................................. 8
Figure 10 Outline and Mounting Dimensions (Stainless Steel Junction Box) ..................................................... 9
Figure 11 Outline and Mounting Dimensions (Aluminum Junction Box) ........................................................... 9
Figure 12 Outline and Mounting Dimensions (Mini Stainless Steel Junction Box) .......................................... 10
Figure 13 Typical Installation ............................................................................................................................ 11
Figure 14 Sensor Wire Connections ................................................................................................................... 12
Figure 15 Magnetic Programming Tool ............................................................................................................. 15
Figure 16 Magnetic Programming Switches ...................................................................................................... 15
Figure 17 IR-700 Software Flowchart ................................................................................................................ 17
Figure 18 Sensor Assembly ................................................................................................................................ 32
List of Tables
Table 1 Wire Gauge vs. Distance ....................................................................................................................... 12
Table 2 Gas Factors ............................................................................................................................................ 24
Table 3 Modbus™ Registers .............................................................................................................................. 30
Table 4 Modbus™ Special Registers ................................................................................................................. 31
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Mailing Address: P.O. Box 8067, The Woodlands Texas 77387-8067
Phone: 888.367.4286, 281.367.4100 • Fax: 281.292.2860 • www.detcon.com • sales@detcon.com