SharpEye 20 Guide de l'utilisateur

Ref : NP40IGB REV A – Nov 2009 USER GUIDE

11 1.3 Features and Benefits • Detection Range: Up to 215 ft (65m) for a 1 ft2 (0.1m2) n-heptane fire. • Ultra High Immunity to False Alarms. •

12 The heated optics can be set to one of the following: • Not operated • On continuously • Automatic, per temperature change (default): you can

13 1.4.5.3 SIL-2 Approved The 40/40I Flame Detector is certified to SIL-2 requirement per IEC 61508.4, Chapter 3.5.12. The alert condition accordin

14 1.5.1.3 Other Fuels The detector reacts to other types of fire as follows: • The baseline fire refers to n-heptane 1ft2 (0.1m2) and is defined

15 • Vertical: +50° (down) , -45° (up) Figure 2: Vertical Field of View 1.5.3 False Alarms Prevention To prevent false alarms, the detector will

16 Quartz lamp (1000 W) >3 (1) Mercury vapor lamp IAD Grinding metal IAD Lit cigar >1 (0.3) Lit cigarette >1 (0.3) Match, wood, stick i

17 1.5.5 Output Signals Outputs are available according to the default configuration or the wiring options selected for the 40/40I IR3 Detector. De

18 Table 9: Output Signals versus Detector State Detector State LED Indicator LED Mode Alarm Relay Auxiliary Relay Fault Relay mA output Normal Gre

19 1.6 Internal Detector Tests The detector performs two types of self tests: • Continuous Feature Test, page 19 • Built-In-Test (BIT), page 19 1

20 1.6.2.1 How the BIT Operates • The detector's status remains unchanged if the result of a BIT is the same as the current status (NORMAL or

3 GAS DETECTION We are delighted that you have chosen an INDUSTRIAL SCIENTIFIC instrument and would like to thank you for your choice. We have take

21 Table 12: Results of a Successful Manual BIT Output Result FAULT relay • Wiring options 1, 2, and 4: remains CLOSED (Normal) • Wiring options

22 • Environment: • Dust, snow or rain can reduce the detectors sensitivity and require more maintenance activities. • The presence of high inten

23 2.4 Certification Instructions Warning: Do not open the detector, even when isolated, when flammable atmosphere present. Use the following certi

24 • When using the optional tilt mount, use flexible conduits for the last portion connecting to the detector. • For installations in atmospheres

25 2.6.1 Tilt Mount Specifications Table 15: USA Version Item Qty Type Location Tilt Mount 1 40/40-001 Screw 4 ¼" 20 UNC x ¾"

26 Figure 6: Tilt Mount Assembly (dimensions in mm and inches) Ø To install the Tilt Mount and Detector: 9 Place the tilt mount in its designated

27 2.7 Connecting the Detector This section describes how to connect the electric cabling to the detector (Figure 7). Ø To connect the detector to

28 2.7.1 Verifying the Detector Wiring The detector has five output wiring options within the EExde integral terminal section of the enclosure. The

29 2.8 Configuring your Detector You can reprogram the function setup using the RS-485 connection or using the Hart Protocol as follows: • Industri

30 2.8.2 Alarm Delay The detector is equipped with an Alarm Delay option, which provides programmable time delays with settings at: • Antiflare* (d

4 About this Guide This guide describes the SharpEye Model 40/40I Triple IR (IR3) Flame Detector and its features and provides instructions on

31 2.8.5 Heated Optics The heated optics can be defined as one of the following modes: • Heated Mode • OFF: Not operated • On: Continuously • AU

32 • You should only access the wiring compartment to wire or remove the detector or access RS485 terminals for maintenance. • Disconnect or disabl

33 3.3.1 Automatic BIT Test Check that the indicators show normal conditions. See Powering Up on page 31. 3.3.2 Manual BIT Test Important: If the

34 4 MAINTENANCE AND TROUBLESHOOTING This chapter deals with preventive maintenance, describes possible faults in detector operation and indicates c

35 4.1.3 Keeping Maintenance Records It is recommended that maintenance operations performed on a detector are recorded in a Log-book. The record s

36 Appendices

37 A Technical Specifications A.1 Electrical Specifications Operating Voltage 18-32 VDC Power Consumption • Without Heated Optic: Max. 100 mA in

38 • * In wiring options 3, 5 the relay is normally energized open during normal operation of the detector. The relay is de-energized close contact

39 A.2 Mechanical Specifications Enclosure Stainless Steel 316 or Aluminum, heavy duty copper free (less than-1%), red epoxy enamel finish Hazardo

40 Dust • Designed to meet MIL-STD-810C, method 510.1, procedure I • Exposure to a dust concentration of 0.3 frames/cubic ft. at a velocity of 1750

5 Abbreviations and Acronyms Abbreviation Meaning ATEX Atmosphere Explosives AWG American Wire Gauge BIT Built In Test EMC Electromagnetic Comp

41 36 Use Table 26 to select wire gauge for power supply wires. DO NOT connect any circuit or load to detectors’ supply inputs. • Select Number of

42 Table 27: Wiring Connections Terminals Wiring Option Detector Model 5 8 9 1 40/40I-1XXXX Fault Relay (N.C) 0-20mA (Sink) 0-20mA (Sink) 2

43 Figure 11: 0-20mA Wiring (Source) 3-Wire Connection Notes: The detectors are supplied as: • Isolated 0-20mA – Sink in wiring option 1. • As non

44 D Accessories This appendix describes the accessories that can help you maximize fire detection with the SharpEye IR3 flame detector: D.1 Long R

45 Ø To simulate a fire: 37 Aim the Fire Simulator towards the detector’s Target Point. Figure 14: 40/40I IR3 Detector Target Point 38 When tes

46 45 Charge for a maximum of 14 hours. 46 Disconnect the charger. 47 Tighten the sealed plug clockwise. D.1.5 Technical Specifications Mechanic

47 D.3 Weather Protection – '(Ref B103908) The weather protector protects the detector from different weather conditions, such as snow and rai

48 D.5 Air Shield - P/N 777161 The Air Shield enables you to install the detector in dirty areas and using compressed air, keep the window clean.

49 E.1.2 Guidelines for Configuring, Installing, Operating and Service The alert conditions according to SIL 2 can be implemented by an: • Alert si

50

6 Table of Contents About this Guide ...

51

7 3 OPERATING THE DETECTOR...31 3.1 Powering Up ...

8 List of Figures Figure 1: Horizontal Field of View ...

9 1 INTRODUCTION 1.1 Overview The SharpEye 40/40I is a flame detector that utilizes improved IR3 technology to provide state-of-the-art fire prote

10 40/40I X XX X XEx ApprovalWiring ConfigurationTemperatureElectrical EntriesHousingF – FM / CSAC - ATEX / IECEx1 - 75°C 2 - 85°C1 - M252 - ¾"