Spectrex SafEye Quasar 950 Manual
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Spectrex SafEye Quasar 950 Manual

Open path toxic gas detectors
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Manual
TM888300, Rev Ar
May 2023
SafEye
™
Quasar 950/960
Open Path Toxic Gas Detectors

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Summary of Contents for Spectrex SafEye Quasar 950

  • Page 1 Manual TM888300, Rev Ar May 2023 SafEye ™ Quasar 950/960 Open Path Toxic 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 from Emerson.

  • Page 3: Table Of Contents

    6.4 Certification instructions......................32 6.5 Conduit/cable installation......................36 6.6 Receiver/transmitter mounting....................36 6.7 Receiver wiring.......................... 37 6.8 Receiver terminal wiring......................40 6.9 UV wiring............................ 41 Chapter 7  Operating instructions......................43 7.1 Safety operation........................43 7.2 Alignment of unit........................43 7.3 Powering up the system......................44 7.4 Safety precautions........................44 7.5 Signal verification........................45 7.6 Zero calibration..........................45 SafEye Quasar 950/960...
  • Page 4 B.6 HART handled diagnostic unit....................57 B.7 Universal RS-485 and HART IS harness kit................57 B.8 USB/RS-485 harness converter kit..................58 B.9 Protective cover.........................58 Appendix C  SIL-2 features...........................59 C.1 Safety relevant parameters..................... 59 C.2 General conditions for safe use....................59 Appendix D  Configuring the SafEye 951....................61 Spectrex.net...

  • Page 5: About This Guide

    Seventh release Ian Buchanan Eric Zinn March 2016 Eighth release Ian Buchanan Eric Zinn June 2016 Ninth release Ian Buchanan Eric Zinn January 2017 Tenth release Jay Cooley Ian Buchanan February 2017 Eleventh release Jay Cooley Ian Buchanan SafEye Quasar 950/960...

  • Page 6: Glossary And Abbreviations

    Immune at Any Distance IECEx International Electro-Technical Commission Explosion Internet Protocol Isopropyl Alcohol Infrared Jet Fuel Light Emitting Diode MODBUS Serial communications protocol using Master-Slave messaging Not Applicable N.C. Normally Closed NFPA National Fire Protection Association N.O. Normally Open Spectrex.net...

  • Page 7: Notifications

     CAUTION This indicates a situation that could result in minor injury and/or damage to the equipment. Note This provides supplementary information, emphasizes a point or procedure, or gives a tip to facilitate operation. SafEye Quasar 950/960...
  • Page 8 About this guide Manual May 2023 TM888300 Spectrex.net...

  • Page 9: Chapter 2 Product Overview

    2  Product overview The SafEye Quasar 950/960 UV Open-Path Gas Reciever employs an advanced Xenon UV Transmitter and integrated electronics package, both of which are encased in improved stainless steel housings, which provide high quality and performance, fast response, and line-of-sight gas monitoring.
  • Page 10 Product overview Manual May 2023 TM888300 Spectrex.net...

  • Page 11: Chapter 3 Technical Description

    Semiconductor industry, in which NH concentration monitoring is required 3.3  Principles of operation The Quasar system detects gases through dual-spectral range monitoring, analyzing the absorption of radiation caused by gases in the atmosphere, and comparing the ratio to background atmospheric absorption. SafEye Quasar 950/960...
  • Page 12 S has a characteristically strong absorption in the solar blind range of 189–270 nm, which enables its fast and reliable detection at low concentrations. • Sulphur dioxide (SO ): A colorless gas with a strong odor which is produced when a material, or fuel, containing sulphur is burned. Spectrex.net...
  • Page 13 The Xenon UV Source was introduced in the initial SafEye development, and was designed to overcome false alarms, which were experienced by early generations of the open path system. The new SafEye Quasar 950/960 employs the latest generation of UV bulbs to provide even more power, and an extended operation life.

  • Page 14: Product Certification

    According to SIL-2 requirements, the alert condition can be implemented by an alert signal via the 0–20 mA current loop. 3.4.4  TR CU (EAC) - pending 1Ex d e ib [ib Gb] IIB + H2 T4 Gb X Ex tb [ib Db] IIIC T135 °C Db X Spectrex.net...

  • Page 15: Model And Types

    The Quasar 950/960 is available in 3 models for each type. Each model has the same receiver but a different transmitter. This allows for detection at distances of 5–60 m. The various options are listed in Table 3-1. SafEye Quasar 950/960...
  • Page 16 132/40 QRU-X-11X QTU-X-31X 115/35 200/60 QRU-X-21X QTU-X-11X 17/5 52/16 QRU-X-21X QTU-X-21X 46/14 132/40 QRU-X-21X QTU-X-31X 115/35 200/60 The Quasar 950/960 can be ordered as separate parts: transmitter (P/N QTU-XX1X), receiver (P/N QRU-XX1X), and commissioning kit. Refer to Figure 3-1. Spectrex.net...

  • Page 17: Description

    Figure 3-1: P/N Definition of Quasar 950/960 3.6  Description The SafEye system consists of 2 main units: • UV source (transmitter) • Infrared detector (receiver) Quasar 950/960 detects gases over an open path transmitted from the UV transmitter to the receiver. SafEye Quasar 950/960...
  • Page 18 This allows the signals to be maintained even in severe weather conditions. The data is sent to the output interface section. The front window of the receiver is heated to improve performance in ice, condensation, and snow conditions. Spectrex.net...
  • Page 19 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 SafEye Quasar 950/960...
  • Page 20 Technical description Manual May 2023 TM888300 Spectrex.net...

  • Page 21: Chapter 4 Operating Modes

    • Low voltage fault (1 mA output) Detection is disabled due to a low voltage supply. The receiver returns to proper operation when the correct voltage level is restored. • Fault 2 (1 mA output) SafEye Quasar 950/960...

  • Page 22: Visual Indicators

    Table 4-2: Receiver LED indications Receiver 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 23: System Setup

    It also includes a harness and a special host for maintenance and commissioning. 4.4.2  Receiver configuration Receiver default setup for default settings. Setup includes the following options: • Address setup • Heated optics operation • Range SafEye Quasar 950/960...
  • Page 24 The standard setup is as follows: Table 4-4: Receiver default setup Function Setup 0–20 mA Continuous Heat mode Auto Heat on Table 4-5: Transmitter default setup Function Setup Heat mode Auto Heater power High Heat On temperature 5° Address Spectrex.net...

  • Page 25: Technical Specifications

    Does not produce a false alarm and is not influenced by Immunity to false alarm: • Solar radiation • Hydrocarbon flames • Other external IR or UV radiation sources • Rain conditions or water spray Per the requirements listed in the following performance standards: SafEye Quasar 950/960...

  • 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. 5.3.3 ...

  • Page 27: Mechanical Specifications

    DNVGL-CG-0339, class D. ™ +149 °F/+65 °C Operating temperature: +149 °F/+65 °C Storage temperature: 5.5.2  Low temperature The SafEye system conforms to DNVGL-CG-0339, class D. ™ Operating temperature: –67 °F/–55 °C Storage temperature: –67 °F/–55 °C SafEye Quasar 950/960...
  • 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

    The mounting point for each item should be secure and stable with minimal vibrations • Equipment should be either mounted in a position where it cannot be knocked out of alignment, or it is guarded from physical impact, above human height to avoid partial obscuration. SafEye Quasar 950/960...
  • Page 30 The selected wire gauge should be based on the number of receivers used on the same loop, and the distance from the control unit. The maximum number of wire connections in a terminal is 2 wire cross-sections, each of 1 mm Spectrex.net...

  • Page 31: Preparations For Installation

    2. Record the part number (P/N) and serial number of the receivers and transmitter units, and the installation date in an appropriate logbook. 3. Open the container package immediately, prior to installation, and visually inspect the receivers, transmitters, and accessories. SafEye Quasar 950/960...

  • Page 32: Certification Instructions

    Examples of aggressive substances: acidic liquids or gases that may attack metals, solvents that may affect polymeric materials. • The output of the optical radiation source with respect to explosion protection meets Exception 3 from the scope of UL 60079-28. Spectrex.net...
  • Page 33 The Um is 18–32 VDC, in a SELV/PELV system — Via a safety isolating transformer, complying with the requirements of IEC 61588-2-6 or technically equivalent standard — Directly connected to apparatus, complying with IEC 60950, IEC 61010-1, or technically equivalent standard SafEye Quasar 950/960...
  • Page 34 Temperature rating: -55 °C to +83 °C or better • Connecting thread: M25x1.5 or ¾-in. NPT 5. Equipment is only to be installed by manufacturer trained personnel. 6. Equipment has only been tested for electrical safety. No evaluation of functional safety and performance characteristics has been conducted. Spectrex.net...
  • Page 35 6. Equipment is only to be installed by manufacturer trained personnel. 7. Equipment has only been tested for electrical safety. No evaluation of functional safety and performance characteristics has been conducted. 8. The equipment shall be supplied with Class 2 as defined in article 725.121 of NFPA SafEye Quasar 950/960...

  • Page 36: Conduit/Cable Installation

    (B). Secure the receiver with M10 x 1.5 screws with No. M10 spring washers (I, J). Secure the receiver to the tilt mount using Hex Key No. 7 for M10 x 1.5 screws (I). 3. Repeat Step 1 Step 2 for installing the transmitter. Spectrex.net...

  • Page 37: Receiver Wiring

    . A tightening torque of 16 inlb (1.8 Nm) shall be used to secure the bonding conductor. 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). SafEye Quasar 950/960...
  • Page 38 B. Transmitter or receiver holding plate C. Vertical crude alignment tightening screw D. Vertical fine alignment tightening screw E. Horizontal fine alignment tightening screw F. Horizontal crude alignment tightening screw G. Horizontal fine alignment screw H. Vertical fine alignment screw Spectrex.net...
  • Page 39 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 SafEye Quasar 950/960...

  • Page 40: Receiver Terminal Wiring

    The receiver has 6 wiring terminals. The following table lists the functions of each electrical terminal of the receiver. Table 6-4: Wiring options Terminal number Function Power +24 VDC Return –24 VDC 0–20 mA In (+) 0–20 mA Out (–) RS-485 (+) RS-485 (–) Spectrex.net...

  • Page 41: Uv 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 UV contains 6 wiring terminals. Table 6-5: UV wiring options Terminal number Function Power +24 VDC Return –24 VDC Spare Spare Spare Spare SafEye Quasar 950/960...
  • Page 42 Installation instructions Manual May 2023 TM888300 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 Spectrex.net...

  • Page 43: Chapter 7 Operating Instructions

    Use a ¼-in. Allen screwdriver for all alignment screws. b. Loosen screws E and F. c. Approximately aim the transmitter horizontally toward the receiver. d. Tighten screw F. e. Loosen screws C and D. f. Approximately aim the transmitter vertically toward the receiver. SafEye Quasar 950/960...

  • Page 44: 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 45: Signal Verification

    To perform the zero calibration procedure: To perform the zero calibration procedure use the HART software (refer to the product web page), or Modbus software on the RS-485 interface (refer to the product web page). SafEye Quasar 950/960...

  • Page 46: 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 47: Chapter 8 Maintenance Instructions

    7. Reconnect the power to the SafEye transmitter and receiver. ™ 8. Perform signal verification (see Signal verification). 9. Perform zero calibration (see Zero calibration). 10. Perform a functional check (see Functional check). SafEye Quasar 950/960...
  • Page 48 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 49: Chapter 9 Troubleshooting

    Ratio 1 and Ratio 2 out of the Poor alignment Perform alignment limit Dirt on the window Clean the window Receiver fault Replace/repair receiver Voltage less than 16 VDC. The Low input voltage Check the power supply and Receiver at “V” fault. installation SafEye Quasar 950/960...
  • Page 50 Troubleshooting Manual May 2023 TM888300 Spectrex.net...

  • Page 51: Declaration Of Conformity

    Manual Declaration of Conformity TM888300 May 2023 10  Declaration of Conformity SafEye Quasar 950/960...
  • Page 52 Declaration of Conformity Manual May 2023 TM888300 Spectrex.net...

  • Page 53: Appendix A Wiring Configurations

    Manual Wiring configurations TM888300 May 2023 A  Wiring configurations Figure A-1: Receiver wiring terminal Figure A-2: Transmitter wiring terminal SafEye Quasar 950/960...

  • Page 54: Rs-485 Communication Network

    (32 receivers for each repeater): up to 247 on the same four wires. When using the RS-485 network, it is possible to read each receiver status (FAULT, WARNING, and ALARM) individually. For more details, contact Spectrex. Spectrex.net...
  • Page 55 Manual Wiring configurations TM888300 May 2023 Figure A-6: RS-485 networking for wiring option 3 A. Controller B. First receiver C. Last receiver D. Power supply E. RS-485 computer port SafEye Quasar 950/960...
  • Page 56 Wiring configurations Manual May 2023 TM888300 Spectrex.net...

  • Page 57: Appendix B Accessories

    Universal RS-485 and HART IS harness kit 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 SafEye Quasar 950/960...

  • Page 58: Usb/Rs-485 Harness Converter Kit

    Modbus Manager host software, enables the user to connect to any available PC or laptop to reconfigure settings or perform diagnostics on the Quasar 950/960 gas detection system. B.9  Protective cover The protective cover (P/N 888263) is designed to protect the receiver from the heat of the sun. Spectrex.net...

  • Page 59: 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 950/960 IR Open-Path Gas Receiver must be checked completely. • The alarm conditions of the transmitter must be checked periodically together with standard gas calibration checks.
  • Page 60 SIL-2 features Manual May 2023 TM888300 • The connected controller must monitor the 0–20 mA signal current for values below 4 mA and above 20 mA. • Mean time to repair should be 72 hours. Spectrex.net...

  • Page 61: Appendix D Configuring The Safeye 951

    RS485, or HART communication and change the detection range in the setup screen as shown in Figure D-1 Figure D-2. Visit our website to download the winhost software for RS485 communication, or the Device Descriptor drivers to enable communication with the device using HART. SafEye Quasar 950/960...
  • Page 62 Configuring the SafEye 951 Manual May 2023 TM888300 Figure D-1: Using RS485 and winhost Spectrex.net...
  • Page 63 Manual Configuring the SafEye 951 TM888300 May 2023 Figure D-2: Using HART DD SafEye Quasar 950/960...
  • Page 64 TM888300 Rev. Ar 2023 For more information: Emerson.com © 2023 Emerson. All rights reserved. Spectrex 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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