Spectrex SharpEye 40/40I, Руководство пользователя

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TM 40/40I, Rev (14) February 2017
Principles of Operation 17
1.3 Features and Benefits
 Detection Range: Up to 215ft/65m for a 1ft
2
/0.1m
2
n-heptane fire.
 Ultra High Immunity to False Alarms: See Table 4 on page 24.
 Advanced Digital Processing of the Dynamic Characteristics of Fire:
Flickering, threshold correlation and ratio.
 Multi IR Channels: Between 2 – 5µm.
 Field Programmable Sensitivity: 4 ranges to avoid zone crossover.
 Built-In-Test (BIT): Manual and Automatic (see Built-In-Test (BIT) on
page 29).
 Heated Window: Prevents effects of ice, snow, and condensation.
 Electrical Interface:
 Dry contact relays
 Communication network RS-485
 0 – 20mA output
 HART Protocol: Communication protocol (see HART Protocol on page 18).
 Exde: Integral junction box for easy wiring.
 SIL-2: TÜV approved.
 Hazardous Area Certification: ATEX, IECEx, FM, CSA.
 Functionality Approval:
 EN54-10 approved by VdS
 FM approved per FM3260
 Accessories are approved as part of ATEX and IECEx approval.
1.4 Principles of Operation
This section describes the 40/40I principles of operation and includes:
 Hydrocarbon Fire Detection, page 18
 Heated Optics, page 18
 HART Protocol, page 18
 RS-485 Modbus, page 19
 Product Certification, page 19
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