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Siemens LDS 6 Compact Operating Instructions

In situ laser gas analyzers, continuous gas analysis & optics housing
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In situ Laser Gas Analyzers
Continuous Gas Analysis
LDS 6 & Optics housing CD 6
Compact Operating Instructions
Compact Operating Instructions
7MB6121
7MB6122
12/2022
A5E03314905-AB
Introduction
Safe use of the device
Installing/mounting
Electric connections
Commissioning
Service and maintenance
Decommissioning
Technical data
Product information on the
internet
Abbreviations
1
2
3
4
5
6
7
8
9
A

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Summary of Contents for Siemens LDS 6

  • Page 1 Introduction Safe use of the device Installing/mounting In situ Laser Gas Analyzers Electric connections Continuous Gas Analysis LDS 6 & Optics housing CD 6 Commissioning Compact Operating Instructions Service and maintenance Compact Operating Instructions Decommissioning Technical data Product information on the...
  • Page 2 Note the following: WARNING Siemens products may only be used for the applications described in the catalog and in the relevant technical documentation. If products and components from other manufacturers are used, these must be recommended or approved by Siemens. Proper transport, storage, installation, assembly, commissioning, operation and maintenance are required to ensure that the products operate safely and without any problems.

  • Page 3: Table Of Contents

    Purpose of this documentation .................... 5 Intended use........................5 Range of application ......................5 Set-up of an LDS 6 system for use in hazardous areas ............6 Information on nameplates ....................7 Notes on warranty ......................13 Checking the consignment....................13 Transportation and storage ....................
  • Page 4 Hybrid and sensor connection cables.................. 61 Barrier box ......................... 61 Purging..........................62 Product information on the internet ....................63 Abbreviations............................65 List of abbreviations......................65 Index ..............................69 LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 5: Introduction

    • 1 .. 3 sensor connection cable(s) • 1 .. 3 hybrid cable(s) for the connection between the barrier box and the optics housing(s) • A sensor alignment kit (optional) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 6: Set-Up Of An Lds 6 System For Use In Hazardous Areas

    Introduction 1.4 Set-up of an LDS 6 system for use in hazardous areas Table 1-1 Parts of the LDS 6 system approved for operation in hazardous areas Certificate Ex type of protection Device MLFB No. DEMKO 06 ATEX 139648 X  II (1) G  [Ex op is T4 Ga] IIC LDS 6 central unit...

  • Page 7: Information On Nameplates

    Manufacturer     Figure 1-2 Example of a nameplate of an LDS 6 component for use in hazardous areas Markings The central unit, the optics housings and the barrier box are all marked according to the following pictures. LDS 6 & Optics housing CD 6 Compact Operating Instructions...
  • Page 8 Introduction 1.5 Information on nameplates Figure 1-3 Central unit nameplate LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 9 Introduction 1.5 Information on nameplates Figure 1-4 Receiver nameplate LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 10 Introduction 1.5 Information on nameplates Figure 1-5 Transmitter nameplate LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 11 Introduction 1.5 Information on nameplates Figure 1-6 Barrier box nameplate Manufacture date Figure 1-7 Example of a manufacture date (taken from the first nameplate in this paragraph) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 12 This warning note indicates that there is a hazard of potential electrostatic charges. Therefore it is mandatory to observe these instructions and the detailed manual. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 13: Notes On Warranty

    The content reflects the technical status at the time of publishing. Siemens reserves the right to make technical changes in the course of further development.
  • Page 14 Introduction 1.8 Transportation and storage LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 15: Safe Use Of The Device

    The test certificate for your explosion-proof device only applies to the original configuration as well as to the installation and connection according to the switching and piping plans of Siemens. If one or more components are changed, the explosion protection properties of your device are abolished.

  • Page 16: Loss Of Safety Of Device With Type Of Protection "Intrinsic Safety Ex I

    Note Operation under special ambient conditions We highly recommend that you contact your Siemens representative or our application department before you operate the device under special ambient conditions as can be encountered in nuclear power plants or when the device is used for research and development purposes.
  • Page 17 The optics housing (transmitter and receiver) is built mainly using stainless or surface treated steel and an aluminum alloy (content of aluminum >85 %; content of magnesium, titanium and zirconium <0.7 %) and an O ring made of FKM or FFKM. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 18 The analyzer is classified as a class 1 laser product. The emitted laser light is invisible (near infrared) and not hazardous to the unprotected eye. The analyzer has warning labels at appropriate positions according to EN 60825-1:2014. See also Installing/mounting (Page 21) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 19: Qualified Personnel For Hazardous Area Applications

    • Canadian Electrical Code (CEC Part I) (Canada) Further provisions for hazardous area applications are for example: • IEC 60079-14 (international) • EN 60079-14 (EU and UK) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 20: Conformity With European Directives

    United Kingdom. The applicable regulations can be found in the UKCA declaration of conformity of the specific device. See also Certificates (https://www.siemens.com/analytics/certificates) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 21: Installing/Mounting

    Note Material compatibility Siemens can provide you with support concerning selection of parts wetted by process media. However, you are responsible for the selection of parts. Siemens accepts no liability for faults or failures resulting from incompatible materials. NOTICE Use in a domestic environment This Class A Group 1 equipment is intended for use in industrial areas.
  • Page 22 Electric Safety WARNING Unsafe connection Do only use sensor connection cable(s) and hybrid cable(s) delivered by Siemens. Special conditions for safe operation Before taking into operation, the user shall make an analysis of compliance between sealing and enclosure materials versus media and temperature for the intended mounting position.

  • Page 23: Site Requirements

    The device may overheat in case of insufficient air circulation. • Ensure sufficient air circulation in the room. Refer to the information in Technical data (Page 59). LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 24: Direct Sunlight

    Connection diagrams (Page 44). The Ex-relevant ingress protection (IP65) comprises the entire area marked with a dashed line in the following figure. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 25 To surely avoid a penetration of explosive dust or gas into the Ex-relevant ingress protection area even without purging in action seal this area using dummy plugs or a check valve and needle valve. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 26 The distance between the central unit and the optics housings can be several hundred meters. The LDS 6 system is available in an Ex version and is then delivered with an approval for use in hazardous environments. The ATEX certificate is a system certificate and is only valid if LDS 6 is installed according to the instructions given in the certificate.

  • Page 27: Lds 6, Optics Housing Cd 6 Installation

    2. Mount the receiver and transmitter, both with gaskets on the flanges and cross-tighten the bolts. 3. Align the optics housings as described in section 'Sensor alignment' of the detailed operating instructions. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 28: Installation Of The Barrier Box

    Installation of the barrier box When the LDS 6, optics housings CD6 are used in explosive areas a barrier must be installed between the central unit and the optics housing pair. The barrier and the central unit must be installed in a safe environment.
  • Page 29 Installing/mounting 3.5 Installation of the barrier box LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 30 Installing/mounting 3.5 Installation of the barrier box LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 31: Electric Connections

    Electric connections WARNING Unsafe connection Do only use sensor connection cable(s) and hybrid cable(s) delivered by Siemens. Safety notes 4.1.1 Unsuitable cables, cable glands and/or plugs WARNING Unsuitable cables, cable glands and/or plugs Risk of explosion in hazardous areas. • Use only cable glands/plugs that comply with the requirements for the relevant type of protection.
  • Page 32 • Shielded cables that cross into hazardous areas should be grounded only at one end. • If grounding is required at both ends, use an equipotential bonding conductor. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 33: Connecting The Lds 6, Optics Housing Cd 6

    Always protect the single-mode fiber (E2000 connector) from dust. Do not remove the plastic vial until the cable is firmly fastened in the optics housing. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 34 Connect the multi-mode fiber to the sensor-board as shown in the figure below. Figure 4-3 Receiver connections LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 35 Electric connections 4.2 Connecting the LDS 6, optics housing CD 6 LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 36 Carefully fold the ribbon cable and fix it to the pre-mounted edge clip using the attached ④ cable tie . Make sure that the ribbon cable is not in contact of the conductive part of the PCB. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 37 When the gaskets are delivered together with the cables they are fitted in the protection tubes. When mounting the gaskets in the optics housing, please proceed as follows: LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 38 Electric connections 4.2 Connecting the LDS 6, optics housing CD 6 LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 39 • Once the optics housings are mounted, remove the cables and gaskets from the protection tubes by unscrewing the fixing screws. • Lubricate the gaskets with the supplied lubricant. Make sure both inside and outside surfaces are lubricated. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 40 This cable is connected to the bottom of the barrier box when delivered. 2. Connect the hybrid cable to the central unit using the standard procedure. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 41 2. Insert the hybrid cables (one for each channel) through the openings at the top of the barrier box. Fasten each cable with a gasket. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 42 The connector mounted on the sensor card is already connected with a red wire for + and a black wire for –. Two additional wires should be connected to the connector. These wires LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 43 2. Connect the brown wire next to the black wire on the connector. 3. Connect the optics housings, on both the transmitter and the receiver side, to earth using the pre-mounted 2 meter potential equalizing cable (yellow-green). LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 44: Connection Diagrams

    Electric connections 4.3 Connection diagrams Connection diagrams System layout Figure 4-6 System drawing A5E00908323A LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 45 Electric connections 4.3 Connection diagrams Barrier box circuit diagram Optics housing CD 6 receiver circuit diagram LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 46 Electric connections 4.3 Connection diagrams LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 47: Commissioning

    Have maintenance work carried out by qualified personnel. The following safety notes apply to all system components, i. e., central unit, barrier box, and optics housings. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 48 Prior to operation align the optics housings as described in the detailed analyzer manuals. For a correct alignment the Siemens sensor alignment kit must be used. The sensor alignment kit is not certified for use in a potentially explosive atmosphere.

  • Page 49: Optics Housing Side Purging

    A possible solution may be the use of non-return valves in the process purging gas flow to ensure that no gas can leave the process through the purging gas connection. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 50 Commissioning 5.3 Process side purging LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 51: Service And Maintenance

    WARNING Impermissible repair of explosion protected devices Risk of explosion in hazardous areas • Repair must be carried out by Siemens authorized personnel only. WARNING Commissioning and operation with pending error If an error message appears, correct operation in the process is no longer guaranteed.

  • Page 52: Service Instructions

    • After carrying out maintenance, remount touch protection measures. Service instructions The following sections give step-by-step instructions for maintenance and service tasks for the optics housings. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 53: Cleaning The Optical Parts Of The Sensor

    Service and maintenance 6.2 Service instructions Cleaning the optical parts of the LDS 6, optics housing CD 6 If the transmission for a channel drops below the level set by the user, the transmission alarm will be activated. This means that the optics housings for this channel are in need of service (cleaning of the optical surfaces and aligning the optics housings).
  • Page 54 Start the cleaning process at the center and work with circular movements towards the rim. 4. To remount the process interface, refer to section LDS 6, optics housing CD 6 installation (Page 27). Also a new alignment of the optics housings has to be carried out.
  • Page 55 Service and maintenance 6.2 Service instructions 6. Mount the two screws holding the card. 7. Connect the connector as described in section Connecting the LDS 6, optics housing CD 6 (Page 33). 8. Remount the lid by rotating it clockwise. LDS 6 & Optics housing CD 6 Compact Operating Instructions...
  • Page 56 Service and maintenance 6.2 Service instructions LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 57: Decommissioning

    Any devices/replacement parts which are returned without a decontamination declaration will be cleaned at your expense before further processing. For further details, refer to the operating instructions. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 58 Decommissioning LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 59: Technical Data

    Technical data Central unit The following tables comprise all technical characteristics relevant for the use of the LDS 6 system in hazardous areas. General   Concentration units ppmv, % vol., mg/Nm  EU, mg/Nm  US Display Digital concentration display (5 digits with floating decimal point) Laser protection class Class 1, safe to the eye...

  • Page 60: Cd 6 Optics Housing For Use In Hazardous Areas

    Measurement path length 0.3 ... 12 m (1 ... 39 ft) depending on measuring conditions (dust load) Dust load Depending on particle size distribution and optical path length See also Safe installation (Page 24) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 61: Hybrid And Sensor Connection Cables

    Dimensions (without wall mounting kit) 400 x 240 x 155 mm (15 3/4 x 9 1/2 x 6 1/8") Weight (fully equipped) Approx. 6.8 kg (15 lbs.) Permissible ambient temperature (operation) -20 ... +60 °C (-4 ... 140 °F) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 62: Purging

    Maximum temperature 240 °C (464 °F) Minimum pressure >4 000 hPa (58 psi) Maximum pressure 16 000 hPa (232 psi), refers to a volume flow of approx. 1 100 l/min (291 US gal/min) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 63: Product Information On The Internet

    • Products & solutions, including our newsletter containing up-to-date information on your products. • Electronic trading over the Internet. • Support with e.g. certificates, brochures and catalogs. LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 64 Product information on the internet LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 65: Abbreviations

    For example (from Latin: exempli gratia) Electromagnetic compatibility European Standard (German: Europäische Norm) Electrostatic Protected Area Electrostatic Discharge European Union Explosive atmosphere FFKM Perfluoro elastomer LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 66 Standards working committee for measuring and control technology in the chemical industry. NC, n. c. Not connected Nanofarad(s) NFPA National Fire Protection Association Ammonia Newtonmeter, a measure of torque Number Oxygen (molecular formula) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 67 US gallons per minute, a flow unit, 1 US gal/min ≙ 3.8 l/min Ultraviolet Volt Volt-ampere German Engineers Association (German: Verein Deutscher Ingenieure) Watt(s) Δ Difference (Greek letter delta) Ω Ohm(s) (Greek letter omega) LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 68 Abbreviations A.1 List of abbreviations LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

  • Page 69: Index

    Test certificates, 19 Disassembly, 57 Disposal, 57 Warranty, 13 Hazardous area Laws and directives, 19 Qualified personnel, 19 Laws and directives Disassembly, 19 Personel, 19 Modifications correct usage, 15 improper, 15 Qualified personnel, 19 Return procedure, 57 LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...
  • Page 70 Index LDS 6 & Optics housing CD 6 Compact Operating Instructions Compact Operating Instructions, 12/2022, A5E03314905-AB...

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