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Spectrex SafEye Quasar 900 Manual

Open path combustible gas detectors
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Manual
TM888200, Rev Ar
May 2023
SafEye
™
Quasar 900
Open Path Combustible Gas Detectors

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Summary of Contents for Spectrex SafEye Quasar 900

  • Page 1 Manual TM888200, Rev Ar May 2023 SafEye ™ Quasar 900 Open Path Combustible Gas Detectors...
  • Page 2 Legal notice The device described in this document is the property of Emerson. No part of the hardware, software, or documentation may be reproduced, transmitted, transcribed, stored in a retrieval system, or translated into any language or computer language, in any form or by any means, without prior written permission of Emerson.

  • Page 3: Table Of Contents

    Manual Contents TM888200 May 2023 Contents Chapter 1  About this guide........................5 1.1 Release history..........................5 1.2 Glossary and abbreviations......................6 1.3 Notifications..........................7 Chapter 2  Product overview........................9 Chapter 3  Technical description......................11 3.1 Features............................11 3.2 Applications..........................11 3.3 Principles of operation......................12 3.4 Product certification........................14 3.5 Models and types........................16 3.6 Description..........................16 Chapter 4 ...
  • Page 4 B.4 Wall mount..........................53 B.5 Commissioning kit........................53 B.6 HART handled diagnostic unit....................54 B.7 Universal RS-485 and HART IS harness kit................54 B.8 USB/RS-485 harness converter kit..................54 B.9 Protective cover.........................54 Appendix C  SIL-2 features...........................55 C.1 Safety relevant parameters..................... 55 C.2 General conditions for safe use....................55 Spectrex.net...

  • Page 5: About This Guide

    Manual About this guide TM888200 May 2023 1  About this guide This manual describes the Quasar 900 Open-Path Gas Detection System and its features and provides instructions how to install, operate, and maintain the receiver. Note This user guide should be carefully read by all individuals who have or will have responsibility for using, maintaining or servicing the product.

  • Page 6: Glossary And Abbreviations

    Serial communications protocol using Master-Slave messaging Not Applicable N.C. Normally Closed NFPA National Fire Protection Association N.O. Normally Open National Pipe Thread Phase Alternation by Line (a color encoding system) Part Number Radio Frequency Interference RTSP Real Time Streaming Protocol Safety Integrity Level Spectrex.net...

  • Page 7: Notifications

    Manual About this guide TM888200 May 2023 Unified Coarse Thread Volts Alternating Current 1.3  Notifications This section explains and exemplifies the usage of warnings, cautions, and notes throughout this guide:  WARNING This indicates a potentially hazardous situation that could result in serious injury and/or major damage to the equipment.
  • Page 8 About this guide Manual May 2023 TM888200 Spectrex.net...

  • Page 9: Chapter 2 Product Overview

    ® by Spectrex, and a standard PC or IS handheld unit. The HART can be connected on the 0–20 mA line or through the IS port. The Quasar transmitter and receiver unit enclosures are approved Exd flameproof with an integral segregated rear and an Exe terminal compartment, which avoids exposure of the sensors and electronics to the surrounding environment.
  • Page 10 Product overview Manual May 2023 TM888200 Spectrex.net...

  • Page 11: Chapter 3 Technical Description

    Manual Technical description TM888200 May 2023 3  Technical description 3.1  Features • One person installation and low maintenance • Factory calibrated • Built-in self test continuously monitoring device health • Accurate and reliable high-speed response in under two seconds • RTC event recorder; record of the last 375 events •...

  • Page 12: Principles Of Operation

    Statistics, ratio algorithms, data communications, diagnostics, and other functions are performed. 3.3.5  Gas sensitivity The SafEye Quasar 900 Model uses wavelengths around the 2.3μ spectral band ™ to measure air flammability potential between the transmitter and receiver. At this Spectrex.net...
  • Page 13 Manual Technical description TM888200 May 2023 wavelength, all hydrocarbon materials have an absorption peak. This enables the receiver to achieve regular sensitivity of 0–5 LEL.m. The Quasar 900 detects hydrocarbon gases including methane, ethylene, propane, ethane, butane, and others. 3.3.6  Gas calibration The Quasar 900 has 3 calibrations that can be changed by function setup: •...

  • Page 14: Product Certification

    The Quasar 900 is UK CA approved per CSAE 21UKEX1173X: • Ex II 2(2)G D Ex db eb ib [ib Gb] IIB+H2 T4 Gb Ex tb [ib Db] IIIC T135 °C Db • –55 °C to +65 °C Ambient Spectrex.net...
  • Page 15 Manual Technical description TM888200 May 2023 3.4.3  FM/FMC The Quasar 900 is approved to FM/FMC Explosion Proof per: • Class I, Div. 1 Group B, C and D, T6 –58 °F/–50 °C ≤ T ≤ 149 °F/65 °C • Dust Ignition Proof – Class II/III Div. 1, Group E, F, and G •...

  • Page 16: Models And Types

    QR-X11X), and comissioning kit (P/N 888257-X). Refer to Figure 3-1. Figure 3-1: P/N Definition of Quasar 900 3.6  Description The SafEye Quasar 900 is comprised of 2 main units: ™ • The Flash Infrared Transmitter • The Infrared Receiver Spectrex.net...
  • Page 17 Manual Technical description TM888200 May 2023 3.6.1  Transmitter unit The transmitter unit emits a powerful IR pulse (5-10ms width) at the rate of 2 pulses per second. The front of the transmitter unit has a lens that collimates the IR beam for maximum intensity.
  • Page 18 TM888200 Figure 3-3: Receiver A. Front window section B. Label C. Main housing D. Mounting plate E. Intrinsically safe connector (RS-485/HART) F. Back cover G. Earth terminal H. Front window I. Inlet conduit J. Inlet conduit K. Indicator LED Spectrex.net...

  • Page 19: Chapter 4 Operating Modes

    Manual Operating modes TM888200 May 2023 4  Operating modes 4.1  Operational modes The Quasar 900 has 4 operational modes: • Normal mode • Maintenance call mode (3 mA output) • Fault Mode • Zero calibration mode (1 mA output) 4.1.1  Normal mode This mode is used for gas detection.

  • Page 20: Visual Indicators

    Table 4-2: Transmitter LED indications Transmitter status LED color LED mode Fault Amber 4 Hz – flashing Normal Green 1 Hz – flashing 4.3  Output signals The SafEye system provides the following outputs: ™ • 0–20 mA current output • RS-485 interface Spectrex.net...

  • Page 21: System Setup

    Manual Operating modes TM888200 May 2023 4.3.1  0-20 mA current output The 0–20 mA output provides the receiver status measurement with a continuous reading of exact gas concentration. The 0–20 mA output functions as current Sink, but it can be configured as Transmitter (see Wiring configurations).
  • Page 22 Receiver default setup The receiver has 4 functions that can be programmed according to customer requirements, either at the factory or at the customer facility, using a PC software host or a handheld unit. The standard setup is as follows: Spectrex.net...
  • Page 23 Manual Operating modes TM888200 May 2023 Table 4-4: Receiver default setup Function Setup Gas type Methane Heat mode Auto Heater power High Heat On temperature 5° Front LED (Revised model with firmware number Disabled containing Py for the primary CPU and Ey for the secondary CPU) Address Table 4-5: Transmitter default setup...
  • Page 24 Operating modes Manual May 2023 TM888200 Spectrex.net...

  • Page 25: Chapter 5 Technical Specifications

    Manual Technical specifications TM888200 May 2023 5  Technical specifications 5.1  General specifications Simultaneous detection of C1-C8 flammable gases Detected gases: Table 5-1 Detection distance range: Table 5-1: Detection distance range Model Receiver Transmitter Minimum Maximum number installation installation distance distance (ft/m) (ft/m) QR-X-11X QT-X-11X...

  • Page 26: Electrical Specifications

    The protocol enables continuous communication between a single standard Modbus controller (master device) and a serial network of up to 247 receivers. • The protocol enables connections between different types of Spectrex receivers or other Modbus devices to the same network. Spectrex.net...

  • Page 27: Mechanical Specifications

    Manual Technical specifications TM888200 May 2023 5.3.3  HART protocol ® The HART protocol is a digital communication signal at low levels in addition to the 0–20 This bi-directional field communication protocol is used to communicate between intelligent field instruments and the host system. 5.4 ...
  • Page 28 To fully comply with EMC directive 2014/30/EU and protect against interference caused by RFI and EMI, the cable to the receiver must be shielded and the receiver must be grounded. The shield should be grounded at the receiver end. Spectrex.net...

  • Page 29: Chapter 6 Installation Instructions

    Manual Installation instructions TM888200 May 2023 6  Installation instructions 6.1  Introduction The receiver and transmitter units can be installed and maintained using general-purpose common tools and equipment. The installation procedure must be performed by suitably qualified personnel. This section does not attempt to cover all of the standard practices and codes of installation.
  • Page 30 60 (197) 5 (16.5) 70 (230) 6 (20) 80 (262) 7 (23) 90 (295) 8 (26) 100 (328) 8.5 (28) 110 (361) 9 (29.5) 120 (394) 10 (33) 130 (427) 10.5 (34.5) 140 (459) 11.5 (38) 150 (492) 13 (42.5) Spectrex.net...

  • Page 31: Preparations For Installation

    Manual Installation instructions TM888200 May 2023 (continued) Table 6-2: Separation distances Installation line of sight distance, m (ft.) Minimum separation, m (ft.) 160 (525) 14.5 (47.5) 170 (558) 15 (49) 180 (591) 15.5 (51) 190 (623) 16 (52.5) 200 (656) 16.5 (54) 6.2.7 ...

  • Page 32: Certification Instructions

    — Examples of suitable precautions: routine inspections, establishing resistance to specific chemicals from the material’s data sheets. — Examples of aggressive substances: acidic liquids or gases that may attack metals, solvents that may affect polymeric materials. Spectrex.net...

  • Page 33: Conduit/Cable Installation

    Manual Installation instructions TM888200 May 2023 6.4.2  Special conditions for safe use • The dimensions of the flameproof joints differ from the relevant minimum or maximum values required by Table 3-2 of IEC/EN 60079-1:2007 for IIB + H , as detailed below: Flamepath Type of joint Minimum width “L”...

  • Page 34: Receiver/Transmitter Mounting

    M25x1.5 explosion-proof conduit connection/cable gland to assemble the cable/ explosion-proof conduit to the receiver. 3. Connect the wires to the required terminals (Figure 6-3, Item B) according to the wiring diagram. See Receiver terminal wiring, and Figure A-1, Figure A-2, Figure A-3, Figure A-4 Wiring configurations. Spectrex.net...
  • Page 35 Manual Installation instructions TM888200 May 2023 4. Connect the grounding wire to the ground screw located on the exterior of the receiver (Figure 6-3, Item C). The receiver must be well grounded to earth ground. 5. Place and secure the receiver’s back cover by screwing on the cover and securing it using the secure bolt (Figure 6-2, Item O).
  • Page 36 F. Vertical crude alignment tightening screw G. Vertical fine alignment screw H. Horizontal fine alignment screw I. Receiver tightening screw J. Receiver tightening washer K. Receiver L. Alignment tool M. Alignment tool tightening bolt N. Receiver back cover O. Receiver back cover secure bolt Spectrex.net...

  • Page 37: Receiver Terminal Wiring

    Manual Installation instructions TM888200 May 2023 Figure 6-3: Receiver with cover removed A. Housing B. Terminal board C. Earth terminal D. Inlet conduit E. Internal earth connection F. Connection to handheld unit G. Receiver holding plate 6.8  Receiver terminal wiring The receiver has 6 wiring terminals. The following table lists the functions of each electrical terminal of the receiver.

  • Page 38: Transmitter Wiring

    5. Place and secure the transmitter unit’s back cover by screwing on the cover and securing the back screw bolt. 6.9.2  Terminal wiring The transmitter contains 6 wiring terminals. Table 6-5: Transmitter wiring options Terminal number Function Power +24 VDC Return –24 VDC Spare Spare Spare Spare Spectrex.net...
  • Page 39 Manual Installation instructions TM888200 May 2023 Figure 6-4: Transmitter with cover removed A. Housing B. Terminal board C. Earth terminal D. Inlet conduit E. Internal earth connection F. Transmitter holding plate SafEye Quasar 900 ™...
  • Page 40 Installation instructions Manual May 2023 TM888200 Spectrex.net...

  • Page 41: Chapter 7 Operating Instructions

    Manual Operating instructions TM888200 May 2023 7  Operating instructions For information on communicating with the device, see the principles of operation topics. 7.1  Safety operation Once the system is in place, it automatically monitors for the specified gases, and sends signals to a standard control panel or PC. This section describes the alignment, calibration, and operation of the SafEye System.

  • Page 42: Powering Up The System

    Follow the manual instructions, and refer to the drawings and specifications issued by the manufacturer. • Do not open the transmitter or receiver housing while power is connected. • External devices such as automatic extinguishing systems must be disconnected before performing maintenance tasks required by the warranty. Spectrex.net...

  • Page 43: Signal Verification

    Manual Operating instructions TM888200 May 2023 7.5  Signal verification Perform signal verification through the host software supplied by your vendor or by the HART handheld unit. 7.5.1  Signal values limitation Table 7-1 describes the maintenance data channels limitation values. Table 7-1: Maintenance channel limitation values Channel Installation distance Short range...

  • Page 44: Functional Check

    This difference is the 0–20 mA current variance. 5. Record the 0–20 mA current variance in the maintenance logbook. If the variance is more than a 30% change when compared to the previous check (see delivery form), repeat the alignment. Spectrex.net...

  • Page 45: Chapter 8 Maintenance Instructions

    Manual Maintenance instructions TM888200 May 2023 8  Maintenance instructions 8.1  General maintenance Only basic periodic maintenance is required to keep the SafEye Quasar 900 at maximum ™ performance and reliability levels. The transmitter and receiver units can be maintained with the use of common tools and equipment. The test results should be recorded in a maintenance logbook, together with a copy of the delivery form.
  • Page 46 Use the check filters included in the commissioning kit according to the corresponding calibrating gas to validate correct installation. Refer to Functional check for instructions.  CAUTION Disable automatic activation and disconnect any external device that should not be activated during the calibration check. Spectrex.net...

  • Page 47: Chapter 9 Troubleshooting

    Manual Troubleshooting TM888200 May 2023 9  Troubleshooting Table 9-1: Troubleshooting Fault Indication Problem Cause Solution Host status: "C" 0–20= 3 “Maintenance call” Poor alignment Perform alignment status or R and S are Dirt on the window Clean the window below 2 VDC at Gain 9 LED - Green blinking 1 Poor light source Replace the light...
  • Page 48 Troubleshooting Manual May 2023 TM888200 Spectrex.net...

  • Page 49: Declaration Of Conformity

    Manual Declaration of Conformity TM888200 May 2023 10  Declaration of Conformity SafEye Quasar 900 ™...
  • Page 50 Declaration of Conformity Manual May 2023 TM888200 Spectrex.net...

  • Page 51: Appendix A Wiring Configurations

    Manual Wiring configurations TM888200 May 2023 A  Wiring configurations Figure A-1: Receiver wiring terminal Figure A-2: Transmitter wiring terminal SafEye Quasar 900 ™...
  • Page 52 Wiring configurations Manual May 2023 TM888200 Figure A-3: 0–20 mA sink 4-wire Figure A-4: 0–20 mA non-isolated sink 3-wire Figure A-5: 0–20 mA transmitter 3-wire Spectrex.net...

  • Page 53: Appendix B Accessories

    Manual Accessories TM888200 May 2023 B  Accessories B.1  Tilt mount The tilt mounting brackets (P/N 888270) allow for accurate alignment of the transmitter and receiver for proper operation of the open path. The brackets give crude alignment of ±60°, and a fine alignment of ±10°. B.2 ...

  • Page 54: Hart Handled Diagnostic Unit

    It includes a quick plug connection for a HART handheld unit and an RS-485 interface. The HART unit can be loaded with Spectrex host software. The RS-485 interface is for connecting to a PC and using the Modbus Manager host software which is available from the vendor website.

  • Page 55: Appendix Csil-2 Features

    20 mA current loop. • After installation and configuration, the setup parameters must be verified and the function of the SafEye Quasar 900 IR Open-Path Gas Detector must be checked completely. • The alarm conditions of the transmitter must be checked periodically together with standard gas calibration checks.
  • Page 56 SIL-2 features Manual May 2023 TM888200 • The connected controller must monitor the 0–20 mA signal current for values below 4 mA and above 20 mA. • Defects found in the detector must be repaired within 72 hours. Spectrex.net...
  • Page 57 Manual TM888200 May 2023 SafEye Quasar 900 ™...
  • Page 58 TM888200 Rev. Ar 2023 For more information: Emerson.com © 2023 Emerson. All rights reserved. Emerson Terms and Conditions of Sale are available upon request. The Emerson logo is a trademark and service mark of Emerson Electric Co. Rosemount is a mark of one of the Emerson family of companies. All other marks are the property of their respective owners.

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