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Summary of Contents for Det-Tronics Open Path Eclipse OPECL
- Page 1 Instructions 95-8556 Infrared Hydrocarbon Gas Detector Open Path Eclipse ™ Model OPECL Detector Electronics Corporation 6901 West 110th Street • Minneapolis, Minnesota 55438 USA 3/06 95-8556 Tel: 952.941.5665 or 800.765.3473 • Fax: 952.829.8750...
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Page 2: Table Of Contents
Table of Contents APPLICATION ............1 STARTUP ..............16 OPERATION OVERVIEW ..........2 ALIGNMENT .............16 Theory of Operation ..........2 Overview ............16 Lamp Redundancy ..........2 Basic Alignment Procedure ........16 Detectable Gases..........2 Fine Alignment Procedure........19 Standard Output ...........3 CALIBRATION ............20 Optional Relays ............3 Calibration Overview ..........20 Communication ............3 Important Calibration Notes........20 Recording Capability ..........3... -
Page 3: Application
Det-Tronics equipment such as the Eagle Quantum Premier Fire and be aligned to point directly at one another. No direct... -
Page 4: Operation Overview
OPERATION OVERVIEW LAMP REDUNDANCY The OPECL transmitter provides a unique operational THEORY OF OPERATION feature. A xenon lamp illuminates the linear detection path from the transmitter to the receiver. In the event The OPECL transmitter module illuminates a direct that the primary lamp fails, the back-up lamp is brought linear path ending at the OPECL receiver module. -
Page 5: Standard Output
STANDARD OUTPUT COMMUNICATION A 4 to 20 mA current loop corresponding to 0 to 5 LFL- The standard OPECL system provides an analog 4-20 meters is provided for connection to analog input mA signal output, with HART and RS-485 MODBUS devices such as gas controllers, logic controllers, or serial communication from the receiver module. -
Page 6: Operation
OPERATION MODULE IDENTIFICATION PLACE CALIBRATION MAGNET HERE TO ACTIVATE INTERNAL REED SWITCH While the OPECL transmitter and receiver modules appear physically identical, each module is labeled as “transmitter” or “receiver” on the enclosure. The physical mounting requirements for both modules are generally identical. -
Page 7: Operating Modes
Table 2—Factory Default Settings Calibrate After alignment is completed, zero calibration is Default Configurable Options required. Span calibration of the OPECL is normally not Gas Type Methane Methane, Ethane, required; however, the user has the option to verify Propane, Butane, proper calibration or to perform calibration procedures if Propylene, Special necessary. -
Page 8: Specifications
SPECIFICATIONS VISUAL STATUS INDICATOR— Tri-color LED – Transmitter: INPUT VOLTAGE (Both Modules)— Green = Power on / OK 24 Vdc nominal. Operating range is 18 to 30 Vdc. Amber = “Back-up Lamp” mode or other fault condition. Ripple cannot exceed 0.5 volts P-P. Tri-color LED –... - Page 9 MEASUREMENT RANGE— CENELEC: Standard range and long range models: 0-5 LFL-meters. 0539 II 2 G DEMKO 03 ATEX 135898X INTERFERENCE RESISTANCE— EEx de [ib] IIC, T5. Immune to sun and flare radiation, up to 750 W/m 2 ≥ 3° T5 (T amb –40°C to +60°C). to optical axis and common contaminants.
- Page 10 INGRESS PROTECTION— SHIPPING WEIGHT— IP67 Transmitter with mounting plate: 35 pounds (16 kg) NEMA 4X Receiver with mounting plate: 35 pounds (16 kg) DIMENSIONS— WARRANTY— 3 year limited warranty from date of manufacture. Module Length: 11.5 inches (29 cm) Diameter: 3.5 inches (9 cm) nominal 4.5 inches (11 cm) maximum Mounting Plate Height:...
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Page 11: Important Safety Notes
Observe precautions for handling electrostatic such as bus stops, road junctions, and vegetation such sensitive devices. as trees, shrubs, etc. Det-Tronics Field Service Engineering group routinely NOTE The Open Path Eclipse is intended for detection of provides jobsite application surveys and analysis for hydrocarbon vapors only. -
Page 12: Module Mounting Recommendations
Consideration of the following system location Deluge and Flooding guidelines is also recommended: The modules are rated IP66 and will not be damaged by occasional deluge or flooding. However, during such LED Visibility an event, the unit will completely lose it’s IR signal and will enter the “Beam-Block / Fault”... -
Page 13: 24 Vdc Power Supply Requirements
Module mounting options include: entire system. If a back-up power system is required, a float-type battery charging system is recommended. If • A vertical post with a nominal outside diameter of 4.5” an existing source of 24 Vdc power is being utilized, (11.43 cm). -
Page 14: Power Wiring Size And Maximum Length
HART 3. Normally, nothing smaller than 18 AWG (1.0 mm 2 ) is Field Communicator. Contact the factory for further recommended by Det-Tronics for OPECL power assistance. cabling. The relay board must temporarily be removed from the... -
Page 15: Wiring Procedure
WIRING PROCEDURE –24 VDC For systems using conduit, modules must be wired +24 VDC using a short piece of suitable flexible conduit to allow optical alignment of the modules. Ensure that all cables are terminated properly. Open Path Eclipse screw terminal torque range is 3.5–4.4 lb.-in. - Page 16 –24 VDC 24 VDC – +24 VDC CALIBRATE –24 VDC –24 VDC +24 VDC CALIBRATE +24 VDC –24 VDC 4 to 20 MA + 4-20 MA +24 VDC – 4-20 MA – + 4-20 MA RS-485 B – 4-20 MA RS-485 A RS-485 B RELAY POWER...
- Page 17 MODEL OPECL 24 VDC R8471J CONTROLLER GAS DETECTOR – – –24 VDC – 24 VDC +24 VDC CURRENT OUTPUT –24 VDC +24 VDC CHASSIS GROUND –24 VDC CALIBRATE 18 TO 32 +24 VDC 4 to 20 MA POWER – –24 VDC + 4-20 MA POWER +24 VDC...
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Page 18: Startup
STARTUP BASIC ALIGNMENT PROCEDURE When the OPECL is installed and wired as described in Equipment Required the “Installation” section, it is ready for commissioning. 1. Properly installed and powered OPECL system If the application requires that specific changes be (transmitter and receiver). Easy access to both made to the factory settings, HART communication will modules is highly recommended. - Page 19 U-BOLT NUTS (2)* VERTICAL ADJUSTMENT BOLTS WITH LOCKING NUTS (2) OPECL MOUNTING BOLT* VERTICAL ALIGNMENT LOCKING NUTS (2) OPECL MOUNTING BOLT* HORIZONTAL ADJUSTMENT BOLTS WITH LOCKING NUTS (2) U-BOLT NUTS (2)* *TORQUE TO 20 FT-LBS A2302 Figure 17—OPECL Mounting and Alignment Hardware 7.
- Page 20 STEP 1: CENTER CROSS HAIRS ON TARGET USING ADJUSTMENT BOLTS ON MOUNTING PLATE (POSITION A). STEP 2: ROTATE SCOPE 180°. ALIGNMENT ERROR CAUSES CROSS HAIRS TO MOVE TO POSITION B. STEP 3: ADJUST ALIGNMENT SCREWS ON SCOPE TO PLACE CROSS HAIRS AT POSITION C. STEP 4: ROTATE SCOPE 180°...
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Page 21: Fine Alignment Procedure
FINE ALIGNMENT PROCEDURE 5. The Sensor Information Menu will display the following screen. The Fine Alignment procedure should be completed when maximum optical signal strength is required, such as most outdoor applications and all installation areas 1) Active with high levels of optical contamination or fog. 2) Reference 3) Ratio It is necessary to complete the Basic Alignment... -
Page 22: Calibration
NOTE CALIBRATION During alignment adjustment, the HART field communicator may occasionally display a CALIBRATION OVERVIEW message stating “Non-zero status codes found. Although routine calibration of the Open Path Eclipse is Ignore the next 50 occurrences?” When this normally not required, the device supports non-intrusive occurs, enter “Yes”, and continue the Fine field zero calibration capability. -
Page 23: Detailed Calibration Procedure Using Magnetic Switch
Calibration Using Magnetic Switch MAINTENANCE The Open Path Eclipse provides an onboard magnetic ROUTINE INSPECTION calibration/reset switch for non-intrusive calibration capability. The magnetic switch is actuated by holding The Open Path Eclipse detector should be inspected a calibration magnet at the specified located on the periodically to ensure that external obstructions such as device bulkhead. -
Page 24: Troubleshooting
TROUBLESHOOTING Pack the unit properly. Always use sufficient packing material. Where applicable, use an antistatic bag as A Fault status is indicated by an amber LED and also by protection from electrostatic discharge. the 4 to 20 mA output. Refer to Table 5 for assistance in correcting malfunctions with the Open Path Eclipse NOTE Detector. -
Page 25: Ordering Information
(includes OPECL config Operator: (952) 941-5665 or (800) 765-FIRE software) Customer Service: (952) 946-6491 009246-001 Low Range OPECL Gas Test Cell Fax: (952) 829-8750 Web site: www.det-tronics.com 009246-002 High Range OPECL Gas Test Cell E-mail: detronics@detronics.com OPECL OS Matrix MODEL DESCRIPTION... -
Page 26: Appendix A - Hart Communication
APPENDIX A HART COMMUNICATION Digital communication with the Open Path Eclipse is necessary to monitor internal status and to modify the fac- tory settings. This appendix provides guidance on establishing HART communication, and describes the com- munication menu structure when using the Open Path Eclipse with the HART Handheld Communicator. INTERCONNECTING THE HART COMMUNICATOR WITH THE OPEN PATH ECLIPSE Unscrew the protective cap from the HART communication port on the side of the Open Path Eclipse receiver. - Page 27 OPEN PATH ECLIPSE HART MENU STRUCTURE This section displays the menu trees for the Open Path Eclipse. The Menu tree shows the primary commands and options available when using menu selections. OPGD RX Root Menu Process Menu 1) Process Menu 1) Gas Name 2) Status Menu 2) PV.
- Page 28 CONNECTIONS AND HARDWARE The HART Communicator can interface with the Open Path Eclipse from the onboard I.S. communication port, from the control room, or from any wiring termination point in the analog output signal loop. To communicate, con- nect the HART communicator in parallel with the Open Path Eclipse analog signal or load resistor. The connec- tions are non-polarized.
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Page 29: Appendix B - Control Drawing
APPENDIX B CONTROL DRAWING THE MODEL OPECL ECLIPSE OPEN PATH GAS DETECTION SYSTEM PROVIDES A CSA INTERNATIONAL CERTIFIED INTRINSICALLY SAFE OUTPUT FOR CONNECTION WITH THE HART COMMUNICATOR WHEN INSTALLED PER THE NATIONAL ELECTRICAL CODE (NEC), NFPA 70, ARTICLES 501 & 5O4 OR CANADIAN ELECTRICAL CODE (CEC), C22.1, SECTION 18 &... - Page 30 Printed in USA Detector Electronics Corporation 6901 West 110th Street • Minneapolis, Minnesota 55438 USA Tel: 952.941.5665 or 800.765.3473 • Fax: 952.829.8750...
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