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Models FL3110/FL3111
UV/IR and UV only
Flame Detectors
The information and technical data disclosed in
this document may be used and disseminated
only for the purposes and to the extent
specifically authorized in writing by General
Monitors.
Instruction Manual
09/10
General Monitors reserves the right to change
published specifications and designs without
prior notice.
Part No.
MANFL3110/11-EU
Revision
G/09-10
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Table of Contents
Related Manuals for General Monitors FL3110
Summary of Contents for General Monitors FL3110
- Page 1 General Monitors. Instruction Manual 09/10 General Monitors reserves the right to change published specifications and designs without prior notice. Part No. MANFL3110/11-EU Revision...
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Page 2: Warnings
General Monitors will repair or replace without charge any such equipment found to be defective during the warranty period. Full determination of the nature of, and responsibility for, defective or damaged equipment will be made by General Monitors’... -
Page 4: Table Of Contents
Models FL3110/3111 Table of Contents Page Warranty Statement ..................... i Warnings ..................... i E C Declaration of Conformity in accordance with EC & ATEX Directives ....ii Table of Contents ....................iii Introduction ....................1 General Description ..................1 Principle of Operation ................. 2 Specifications .................... - Page 5 Modbus Read Status Protocol (Query/Response) ........26 7.4 Modbus Write Command Protocol (Query/Response) ......... 27 Exception Responses and Exception Codes ..........28 FL3110 Command Register Locations ............30 FL3110 Operational Mode Command Register Details ......31 Customer Satisfaction Questionnaire ................. 36...
- Page 6 Spectral Response of UV and IR Detectors ........3 Figure 3A-1 FL3110 Horizontal Field of View............11 Figure 3A-2 FL3110 Vertical Field of View ............11 Figure 3A-3 FL3111 Horizontal Field of View............12 Figure 3A-4 FL3111 Vertical Field of View ............12 Figure 3-B Outline Drawing .................
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Page 7: Introduction
These reactions emit radiation covering the Infrared, Ultraviolet and the Visible Spectral Regions. The General Monitors Model FL3110 is an Ultraviolet/Infrared (UV/IR) Flame Detector. It detects the Ultraviolet and Infrared spectral regions of the flame to produce a system which is highly immune to false alarms caused by lightning, arc-welding, hot objects, and other sources of radiation. -
Page 8: Principle Of Operation
Models FL3110/3111 Principle of Operation UV Detector – FL3111 The Model FL3111 is a Flame Detector, which contains an ultraviolet phototube that responds to Ultra-Violet (UV) radiation in the 185 to 260 nanometer region (Figure 2). When radiation from a flame reaches the cathode plate within the UV detector tube, electrons are ejected from the cathode plate. -
Page 9: Figure 2 Spectral Response Of Uv And Ir Detectors
Figure 2 Spectral Response of UV and IR Detectors UV/IR Flame Detector – FL3110 The Model FL3110 is a discriminating UV/IR Detector, which makes use of an ultraviolet radiation sensitive phototube in addition to an infrared detector (see figure 2). This combination provides a flame detection system, which is highly immune to false alarms. - Page 10 If foreign material impairs the optical path of the UV detector tube (both Models FL3110 and FL3111) or infrared detector (Model FL3110 only) for two consecutive checks, the unit will indicate FAULT.
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Page 11: Specifications
1. Response Times and Field of View data have been derived by testing the Models FL3110 /FL3111 Flame Detectors with a 1 square foot gasoline fire. One cup of unleaded gasoline on top of a one inch layer of water was ignited for each test. These are typical values and different results may occur depending on the variation of each fire. -
Page 12: Mechanical Specifications
Models FL3110/3111 Mechanical Specifications Enclosure material Material: Stainless Steel 316 Colour: Natural Dimensions: Diameter 3.3 in (8.4 cm) Length 5.4 in (13.7 cm) Weight 5lbs (2.3 kg) Cable Entries: 2 x M20 Electrical Specifications Supply voltage range: 20 to 36 VDC... -
Page 13: Environmental Specifications
Models FL3110/3111 Environmental Specifications Operating temperature range: -40°C to 90°C -40°F to 194°F Storage temperature range: -40°C to 90°C -40°F to 194°F Humidity range: 0 to 100% RH non-condensing Modbus RTU Protocol For detailed information on data format, read commands, write commands, register details,... -
Page 14: Installation
Detector Field of View Each Model FL3110 and FL3111 Flame Detector have a maximum cone of vision of 120º. This Cone has its vertex at the center of the detector (see figure 3A-1, 3A-2, and 3A-3). -
Page 15: Detector Installation
Mount away from possible sources of electrical noise. 6. A constant UV source detected by the unit will cause the FL3110 unit to go into FAULT after 9-10 minutes of exposure. Source must be removed or detector repositioned. (UV detectors can pick-up arc welding up to 2-3 miles away). -
Page 16: Interconnecting Cable Guidelines
Complete all cable insulation tests before connecting the cable at either end. • General Monitors do not recommend the use of cable shoes or crimps on any junction box or housing wiring terminals. Poor crimping can cause bad connection when unit experiences temperature variations. -
Page 17: Figure 3A-1 Fl3110 Horizontal Field Of View
40 ft 30 ft 20 ft 10 ft FL3110 100% Horizontal FL3110 75% Horizontal FL3110 50% Horizontal Figure 3A-1 FL3110 Horizontal Field of View FL3110 Vertical Field of View 50 ft 40 ft 30 ft 20 ft 10 ft FL3110 100% Vertical... -
Page 18: Figure 3A-3 Fl3111 Horizontal Field Of View
Models FL3110/3111 FL3111 Horizontial Field of View 50 ft 40 ft 30 ft 20 ft FL3111 100% Horizontal 10 ft FL3111 75% Horizontal FL3111 50% Horizontal Figure 3A-3 FL3111 Horizontal Field of View FL3111 Vertical Field of View 50 ft... -
Page 19: Figure 3-B Outline Drawing
Models FL3110/3111 Figure 3-B Outline Drawing... -
Page 20: Terminal Connections
Figure 3-D Strip Length Four of the six positions on the terminal block have functions which depend on the FL3110/3111 version selected. The remaining two positions are reserved for the power connections. Figure 3-C outlines the terminal block connections by version.
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