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Troubleshooting
Related Manuals for Oldham SharpEye NP40IGB
Summary of Contents for Oldham SharpEye NP40IGB
- Page 1 USER GUIDE Ref : NP40IGB REV A – Nov 2009...
- Page 2 GAS DETECTION We are delighted that you have chosen an INDUSTRIAL SCIENTIFIC instrument and would like to thank you for your choice. We have taken all the necessary measures to ensure that your instrument provides total satisfaction. Now it is important to read this document carefully. * INDUSTRIAL SCIENTIFIC declines its responsibility towards any person for material damage, physical injury or death resulting wholly or partly from inappropriate use, installation or storage of its equipment resulting from failure to observe instructions and warnings and/or standards and regulations in force.
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Page 3: About This Guide
About this Guide This guide describes the SharpEye Model 40/40I Triple IR (IR3) Flame Detector and its features and provides instructions on how to install, operate and maintain the detector. This guide includes the following chapters and appendixes: • Chapter 1, Introduction, provides a general overview of the product, principles of operation, and performance considerations. -
Page 4: Abbreviations And Acronyms
Abbreviations and Acronyms Abbreviation Meaning ATEX Atmosphere Explosives American Wire Gauge Built In Test Electromagnetic Compatibility End of Line Field of View HART Highway Addressable Remote Transducer-communication protocol Immune at Any Distance IECEx International Electrotechnical Commission Explosion Isopropyl Alcohol Infrared Jet Fuel Latching Refers to relays remaining in the ON state even after the ON... -
Page 5: Table Of Contents
Table of Contents About this Guide ........................4 Abbreviations and Acronyms ...................... 5 INTRODUCTION.........................9 Overview ........................9 Model and Types ......................9 Features and Benefits ....................11 Principles of Operation....................11 1.4.1 Hydrocarbon Fire Detection ................... 11 1.4.2 Heated Optics......................11 1.4.3 HART Protocol ..................... - Page 6 OPERATING THE DETECTOR ..................31 Powering Up ........................ 31 Safety Precautions ......................31 3.2.1 Default Functions Settings ..................32 Testing Procedures......................32 3.3.1 Automatic BIT Test....................33 3.3.2 Manual BIT Test ....................33 3.3.3 Testing with Fire Simulator Model 20/20-310 ............33 MAINTENANCE AND TROUBLESHOOTING..............34 Maintenance.........................
- Page 7 List of Figures Figure 1: Horizontal Field of View ..........................14 Figure 2: Vertical Field of View............................15 Figure 3: Indication LED: Indication LED ........................16 Figure 4: Detector with Tilt Mount..........................24 Figure 5: Tilt Mount Assembly ............................25 Figure 6: Tilt Mount Assembly (dimensions in mm and inches)................
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Page 8: Introduction
INTRODUCTION Overview The SharpEye 40/40I is a flame detector that utilizes improved IR3 technology to provide state-of-the-art fire protection. The 40/40I uses patented digital signal processing to analyze the spectral and dynamic characteristics of the infrared radiation, to identify fire events with exceptional sensitivity and extreme immunity to false alarms. -
Page 9: Table 1: Wiring Options
40/40I F – FM / CSA Ex Approval C - ATEX / IECEx S - Stainless Steel Housing A - Aluminum Electrical 1 - M25 Entries 2 - ¾" NPT 1 - 75°C Temperature 2 - 85°C Wiring See Table 1 Configuration Table 1 describes the wiring options in detail. -
Page 10: Features And Benefits
Features and Benefits • Detection Range: Up to 215 ft (65m) for a 1 ft (0.1m ) n-heptane fire. • Ultra High Immunity to False Alarms. • Advanced Digital Processing of the Dynamic Characteristics of Fire: Flickering, threshold correlation and ratio. •... -
Page 11: Hart Protocol
The heated optics can be set to one of the following: • Not operated • On continuously • Automatic, per temperature change (default): you can define the start temperature below which the window is heated. (The default is 68°F (20°C).) This temperature can be defined between 32°F (0°C) to 122°F (50°C). -
Page 12: Performance Considerations
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 according to SIL-2 can be implemented by: • Alert signal via 0-20mA current loop. • Alert signal via alarm relay and fault relay. •... -
Page 13: Cone Of Vision
1.5.1.3 Other Fuels The detector reacts to other types of fire as follows: • The baseline fire refers to n-heptane 1ft (0.1m ) and is defined as 100% sensitivity. • For fuel fire – standard pan fire size: 1 ft (0.1 m •... -
Page 14: False Alarms Prevention
• Vertical: +50° (down) , -45° (up) Figure 2: Vertical Field of View 1.5.3 False Alarms Prevention To prevent false alarms, the detector will not alarm or react to the radiation sources specified in Table 4. Table 4: Immunity to False Alarm Sources Immunity Radiation Source Distance ft (m) -
Page 15: Visual Indicators
Quartz lamp (1000 W) >3 (1) Mercury vapor lamp Grinding metal Lit cigar >1 (0.3) Lit cigarette >1 (0.3) Match, wood, stick including flare up >10 (3) Notes: • IAD = Immune at Any Distance. • All sources are chopped from 0 to 20 Hz. Table 5: Welding Immunity Distance Sensitivity Setting Detection Range... -
Page 16: Output Signals
1.5.5 Output Signals Outputs are available according to the default configuration or the wiring options selected for the 40/40I IR3 Detector. Determine the outputs for your model according to table 7 The detector incorporates several types of output suitable to different control systems: •... -
Page 17: Auxiliary Relay As End-Of-Line Resistor
Table 9: Output Signals ve rsus Detector State Detector Alarm Auxiliary Fault State Indicator Mode Relay Relay Relay output Normal Green 5 mA Warning 10 mA Alarm Constant 15 mA Latch Constant 15 mA 15 mA BIT Fault Yellow 2 mA Warning at 10 mA BIT Fault... -
Page 18: Internal Detector Tests
Internal Detector Tests The detector performs two types of self tests: • Continuous Feature Test, page 19 • Built-In-Test (BIT), page 19 1.6.1 Continuous Feature Test During normal operation, the detector tests itself continuously and indicates a fault if a failure is found. -
Page 19: Table 10: Results Of A Successful Bit
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 BIT Fault) • the detectors’ status is changed (from Normal to BIT Fault or vice versa) if the BIT differs from the current status Note: In ‘BIT Fault’... -
Page 20: Installing The Detector
Table 12: Results of a Successful Manual BIT Output Result • FAULT relay Wiring options 1, 2, and 4: remains CLOSED (Normal) • Wiring options 3 and 5: remains OPEN (Normal) ALARM relay Activated for 3 sec (only when the function Alarm BIT is set to YES) AUXILIARY For wiring options 4 and 5: is activated for 3 sec (only when the relay... -
Page 21: Unpacking The Product
• Environment: • Dust, snow or rain can reduce the detectors sensitivity and require more maintenance activities. • The presence of high intensity flickering IR sources may affect sensitivity. • Aiming the Detector: • The detector should be aimed toward the center of the detection zone and have a completely unobstructed view of the protected area. -
Page 22: Certification Instructions
Certification Instructions Warning: Do not open the detector, even when isolated, when flammable atmosphere present. Use the following certification instructions: • The cable entry point may exceed 167°F (75°C). Suitable precautions should be taken when selecting the cable. • The equipment may be used with flammable gases and vapors with apparatus groups IIA and IIB + H2: •... -
Page 23: Installing The Tilt Mount (Part No. 40/40-001)
• When using the optional tilt mount, use flexible conduits for the last portion connecting to the detector. • For installations in atmospheres as defined in group B of the NFPA 72E, seal the conduits inlets. • When pulling the cables through the conduits, ensure that they are not tangled or stressed. -
Page 24: Tilt Mount Specifications
2.6.1 Tilt Mount Specifications Table 15: USA Version Item Type Location Tilt Mount 40/40-001 Screw ¼" 20 UNC x ¾" Detector – Holding plate Spring Washer No. ¼" Detector - Holding plate Table 16: European Ver sion Item Type Location Tilt Mount 40/40-001 Screw... -
Page 25: Figure 6: Tilt Mount Assembly (Dimensions In Mm And Inches)
Figure 6: Tilt Mount Assembly (dimensions in mm and inches) Ø To install the Tilt Mount and Detector: Place the tilt mount in its designated location and secure it with four (4) fasteners through four (4) holes 7 mm in diameter. Use the 4 screws and spring washers according to the kit (see Table Table Note: Removing the detector for maintenance purpose does not require the Tilt Mount... -
Page 26: Connecting The Detector
Connecting the Detector This section describes how to connect the electric cabling to the detector (Figure 7). Ø To connect the detector to the electrical cables Disconnect the power. Remove the back cover of the detector by removing four (4) socket head-screws in the cover bolts. -
Page 27: Verifying The Detector Wiring
2.7.1 Verifying the Detector Wiring The detector has five output wiring options within the EExde integral terminal section of the enclosure. There are 12 terminals labeled 1-12. Table 17 describes the function of each terminal for all the wiring options. Table 17: Model 40/40I Wiring Options Wire Option 1... -
Page 28: Configuring Your Detector
Configuring your Detector You can reprogram the function setup using the RS-485 connection or using the Hart Protocol as follows: • Industrial Scientific Host Software : The Industrial Scientific Host Software is for use on a PC or laptop. Refer to Manual TM777050 for programming instructions. The Host software enables you to change the functions. -
Page 29: Alarm Delay
2.8.2 Alarm Delay The detector is equipped with an Alarm Delay option, which provides programmable time delays with settings at: • Antiflare* (default) *The Antiflare mode is selected to prevent false alarms in locations where fast flares may be present. The Time Delay for fire alarms in this mode ranges from 2.5 to 15 seconds (usually, less than 10 seconds). -
Page 30: Heated Optics
2.8.5 Heated Optics The heated optics can be defined as one of the following modes: • Heated Mode • OFF: Not operated • On: Continuously • AUTO: Per temperature change In AUTO mode, the default HEAT ON setting is 68°F (20°C). Heating stops when the temperature is 27°F (15°C) above the start temperature. -
Page 31: Default Functions Settings
• You should only access the wiring compartment to wire or remove the detector or access RS485 terminals for maintenance. • Disconnect or disable external devices, such as automatic extinguishing systems before carrying out any maintenance. 3.2.1 Default Functions Settings Table 20 lists the default function configuration supplied with the detector. -
Page 32: Automatic Bit Test
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 function setup Alarm BIT and/or Auxiliary BIT are set to Yes (default No), the Alarm, Auxiliary Relay and 0-20mA outputs are activated during a Manual BIT. Therefore, automatic extinguishing systems or any external devices that may be activated during BIT must be disconnected. -
Page 33: Maintenance And Troubleshooting
MAINTENANCE AND TROUBLESHOOTING This chapter deals with preventive maintenance, describes possible faults in detector operation and indicates corrective measures. Ignoring these instructions may cause problems with the detector and may invalidate the warranty. Whenever a unit requires service, please contact Industrial Scientific or its authorized distributor for assistance. Maintenance This section describes the basic maintenance steps that should be taken to keep the detector in good working condition and includes the following topics:... -
Page 34: Keeping Maintenance Records
4.1.3 Keeping Maintenance Records It is recommended that maintenance operations performed on a detector are recorded in a Log-book. The record should include the following: • Installation date, and contractor • Serial and tag no. • Entries for every maintenance operation performed, including the description of the operation, date and personnel ID. -
Page 35: Appendices
Appendices... -
Page 36: A Technical Specifications
Technical Specifications Electrical Specifications 18-32 VDC Operating Voltage • Without Heated Optic: Power Consumption Max. 100 mA in Standby Max. 150 mA in Alarm • With Heated Optic: Max. 150 mA in Standby Max. 200 mA in Alarm The input circuit is protected against voltage-reversed polarity, voltage Electric Input transients, surges and spikes according to MIL-STD-1275B. -
Page 37: Table 24: 20 Ma Current Output
• * In wiring options 3, 5 the relay is normally energized open during normal operation of the detector. The relay is de-energized close contact if a fault condition or low voltage situation occurs. • 0-20mA Current Output: The 0-20mA can be Sink or Source according to the wiring option source (see General Instructions for Electrical Wiring on page 40). - Page 38 Mechanical Specifications Stainless Steel 316 Enclosure Aluminum, heavy duty copper free (less than-1%), red epoxy enamel finish • FM, CSA Hazardous Area Approvals Class I Div. 1 Groups B, C and D; Class II/III Div. 1 Groups E, F and G. •...
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Page 39: B Wiring Instructions
• Designed to meet MIL-STD-810C, method 510.1, Dust procedure I • Exposure to a dust concentration of 0.3 frames/cubic ft. at a velocity of 1750 fpm, for 12 hours • Designed to meet MIL-STD-810C, method 514.2, Vibration procedure VIII • Vibration at an acceleration of 1.1g within the frequency range of 5-30 Hz, and an acceleration of 3g within the frequency range of 30-500 Hz... -
Page 40: Figure 8: Wiring Terminals
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 detectors connected in one circuit. • Select wiring Length per your installation requirements. • Refer to Power Supply Range for voltage extreme applied. -
Page 41: Figure 9: Typical Wiring For 4 Wire Controllers (Using Option 1 Or 2 Wiring)
Table 27: Wiring Connections Wiring Option Detector Model Terminals 40/40I-1XXXX Fault Relay (N.C) 0-20mA (Sink) 0-20mA (Sink) 40/40I-2XXXX Fault Relay (N.C) Alarm Relay 0-20mA Duct (N.C) Source 40/40I-3XXXX Fault Relay (N.O) Alarm Relay 0-20mA Duct (N.C) Source 40/40I-4XXXX Fault Relay (N.C) Auxiliary Relay Auxiliary Relay (N.O) -
Page 42: Crs-485 Communication Network
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-isolated 0-20mA – Source in wiring options 2 and 3. • There are no 0-20mA outputs in wiring options 4 and 5. RS-485 Communication Network RS-485 Overview By using the RS-485 network capability of the IR3 detector and additional software, it is... -
Page 43: Accessories
Accessories This appendix describes the accessories that can help you maximize fire detection with the SharpEye IR3 flame detector: Long Range IR3 Fire Simulator (Ref 6798433° The SharpEye IR3 Long Range Fire Simulator 20/20-310 is designed specifically for use with SharpEye IR3 flame detectors. The Fire Simulator emits IR radiation in a unique sequential pattern corresponding to and recognizable by the IR3 detector as fire. -
Page 44: Figure 14: 40/40I Ir3 Detector Target Point
Ø To simulate a fire: Aim the Fire Simulator towards the detector’s Target Point. Target Point Figure 14: 40/40I IR3 Detector Target Point When testing keep a distance of at least 50 cm (20 inches) from the detector. Press the operation button once. Fire simulation lasts for 20 seconds. The detector sends an alarm signal (solid red LED). -
Page 45: Figure 15: Tilt Mount
Charge for a maximum of 14 hours. Disconnect the charger. Tighten the sealed plug clockwise. D.1.5 Technical Specifications • Explosion Proof Enclosure: Mechanical • NFPA (designed to meet) • Class I, Division 1 & 2 Groups B, C and D •... -
Page 46: Figure 16: Weather Protection
Weather Protection – '(Ref B103908) The weather protector protects the detector from different weather conditions, such as snow and rain. Figure 16: Weather Protection Laser Detection Coverage Pointer - P/N 777166 The Laser Detection Coverage Pointer evaluates detector coverage on-site. The device is an add-on accessory that enables designers and installers to optimize detector location and assess the actual coverage of installed detectors. -
Page 47: Sil-2 Features
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. This prevents the accumulation of dirt on the window and enables the detector to continue to operate under harsh conditions. Figure 18: Air Shield SIL-2 Features 40/40I Flame Detector... - Page 48 E.1.2 Guidelines for Configuring, Installing, Operating and Service The alert conditions according to SIL 2 can be implemented by an: • Alert signal via 20mA current loop • Alert signal via alarm relay and the fault relay E.1.2.1 Conditions for Safe Operating The flame detector shall consist only of the approved hardware and software modules.