Siemens SITRANS TDL Compact Operating Instructions
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Siemens SITRANS TDL Compact Operating Instructions

Siemens SITRANS TDL Compact Operating Instructions

In situ laser gas analyzers
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Continuous gas analysis
In situ Laser Gas Analyzers
SITRANS TDL
Compact Operating Instructions
7MB6431 (SITRANS TDL)
08\2024
A5E51659183-AB
Getting started
Introduction
Safety notes
Description
Installing/mounting
Connecting
Commissioning
Service and maintenance
Technical specifications
Product documentation
and support
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Summary of Contents for Siemens SITRANS TDL

  • Page 1 Getting started Introduction Safety notes Continuous gas analysis Description In situ Laser Gas Analyzers SITRANS TDL Installing/mounting Connecting Compact Operating Instructions Commissioning Service and maintenance Technical specifications Product documentation and support 7MB6431 (SITRANS TDL) 08\2024 A5E51659183-AB...
  • 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

    Installing process flanges ....................27 5.2.2.1 Installing process flanges ....................28 5.2.2.2 Process flange installation ....................29 5.2.3 Alignment of SITRANS TDL ....................32 5.2.3.1 Alignment of SITRANS TDL ....................32 5.2.3.2 Alignment kit ........................33 5.2.3.3 Alignment procedure ......................33 5.2.4...
  • Page 4 Overview of the purging system..................49 5.3.5.1 Overview of ATEX zone 1 and 21 purging system..............49 5.3.5.2 Description of the ATEX zone 1 and 21 purging system for SITRANS TDL......50 5.3.5.3 Overview of IECEx zone 2 and 22 purging system ............... 51 5.3.5.4 Description of IECEx Zone 2 and 22 purging system for SITRANS TDL ........
  • Page 5 Specifications for ATEX Zone 1 and 21 purging system installation ........112 Specifications for IECEx Zone 2 and 22 purging system installation ........112 9.10 Approvals ........................113 Product documentation and support ....................115 Product documentation ....................115 Technical support......................116 Index ..............................117 SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 6 Table of contents SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 7: Getting Started

    Read the entire document in order to achieve the optimum performance of the device. Procedure 1. Install/mount the device. Installating/mounting (Page 23) 2. Connect the device. Connecting (Page 69) 3. Power up the device. Device startup (Page 98) 4. Commission the device. Commissioning (Page 95) Startup is complete. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 8 Getting started SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 9: Introduction

    EDD: 1.00.00 or later or later or later HMI-MS: 0.00.00-28 or later Device revision A01 or later Designated use Use the device in accordance with the information on the nameplate and in the Technical specifications (Page 109). SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 10 Siemens’ products and solutions undergo continuous development to make them more secure. Siemens strongly recommends that product updates are applied as soon as they are available and that the latest product versions are used. Use of product versions that are no longer supported, and failure to apply the latest updates may increase customer’s exposure...
  • Page 11 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 12 Introduction 2.4 Designated use SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 13: Safety Notes

    Observe the test certification, provisions and laws applicable in your country during connection, assembly and operation. These include, for example: • National Electrical Code (NEC - NFPA 70) (USA) • Canadian Electrical Code (CEC Part I) (Canada) SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 14: Conformity With European Directives

    • Only carry out modifications that are described in the instructions for the device. Failure to observe this requirement cancels the manufacturer's warranty and the product approvals. Do not operate the device after unauthorized modifications. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 15: Requirements For Special Applications

    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 16 IEC/EN 60825-1. • Any changes to the device not described and permitted in the operating instructions might change the laser class and the emitted laser light might become hazardous to the unprotected eye. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 17: Use In Hazardous Areas

    • Do not use devices that have been operated outside the conditions specified for hazardous areas. If you have used the device outside the conditions for hazardous areas, make all Ex markings unrecognizable on the nameplate. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 18 Safety notes 3.3 Use in hazardous areas SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 19: Description

    Description Overview SITRANS TDL The laser based SITRANS TDL analyzer is a versatile tunable diode laser (TDL) gas analyzer for industrial process applications. SITRANS TDL is normally mounted directly on the process using a pair of process flanges. SITRANS TDL...

  • Page 20: System Configuration

    4.2 System configuration System configuration The SITRANS TDL analyzer consists of a pair of cross-duct sensors - an emitter unit and a receiver unit. The emitter unit releases laser radiation directly through the process containing the constituents of interest. The receiver unit collects the laser radiation on the other side of the process duct.

  • Page 21: Nameplate Layout

    In all cases, check the device nameplate and confirm the approval rating. Note Full list of approvals For more information, see Approvals (Page 113) or view the full list of certificates at Industry online support (https://support.industry.siemens.com/cs/ww/en/ps/29684/cert). SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 22 Description 4.4 Approvals SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 23: 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. WARNING Unsuitable connecting parts Risk of injury or poisoning.

  • Page 24: Installation Location Requirements

    The device may overheat if there is an insufficient supply of air. • Install the device so that there is sufficient air supply in the room. • Observe the maximum permissible ambient temperature. Refer to the information in the section Technical specifications (Page 109). SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 25: Safety Information

    5.1.1.1 Safety information SITRANS TDL is classified as a Class 1 laser product according to IEC EN 60825-1 and 21 CFR 1040.10/1040.11 with laser notice 56. The emitted laser radiation is invisible (near infrared) and not hazardous to an unprotected eye. SITRANS TDL has warning labels placed at positions specified in the IEC/EN 60825-1 norm.

  • Page 26: Proper Mounting

    WARNING Pressure safety It is possible to mount the SITRANS TDL to processes with elevated pressure. Ensure that the process pressure does not exceed the maximum allowable working pressure (MAWP) of the analyzer's process interface.

  • Page 27: Installation Instructions

    Correct optical path length is necessary for proper device performance. User must enter the actual value of the measuring path length in meters via SITRANS TDL HMI or via the web server. The measuring path length is defined as the distance between the ends of purging tubes. In case no purging tubes are installed, the optical path length is defined by the distance between surfaces of the process flanges.

  • Page 28: Installing Process Flanges

    Installing/mounting 5.2 Installation instructions WARNING Pressure safety It is possible to mount the SITRANS TDL to processes with elevated pressure. Ensure that the process pressure does not exceed the maximum allowable working pressure (MAWP) of the analyzer's process interface. WARNING Electrical safety Mounting or unmounting of the device must be performed with the power cord DISCONNECTED.

  • Page 29: Process Flange Installation

    The installation of purging tubes on each side is similar. The purging tube is placed between the customer flange and the process flange. To seal the connection, two graphite gaskets are placed on each side of the purging tube. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 30 3° or 1° wedge window 1° wedge window easy-to-   standard version clean version “ETC” (DN65/PN6) Put graphite gasket on the purging tube and insert into process flange. Mounting gasket on the purging tube SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 31 M16 Screws mounting     Mount flange on the proc‐ ess flange with another graphite gasket between flange and purging tube. ETC- mounting flange on the process flange SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 32: Alignment Of Sitrans Tdl

    90 mm (3.5 in) on the adapter rim. ETC clamp ring 5.2.3 Alignment of SITRANS TDL 5.2.3.1 Alignment of SITRANS TDL The emitter and receiver units must be aligned using two adjustment screws. The adjustment screws align the emitter and receiver units, whereby the laser beam from the emitter unit reaches the receiver unit, and the receiver unit that faces the emitter unit detects the laser beam.

  • Page 33: Alignment Kit

    Flange purging is recommended for every installation and should be operational before installation of the flange on the process. This ensures that the windows will remain clean during the installation of the flanges. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 34 4. Position the aiming piece base on the flange and en‐ sure the screw on the side of the aiming tool is in line with the purging inlet (on the side of the flange). Aiming piece positioning SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 35 Light spot visibility 8. By sliding the coarse align‐ ing unit, the bright spot may be focused on the screen. Find a position at which the spot becomes the smallest and sharpest. Finding the spot SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 36 (both emit‐ ter or receiver unit). Finding the optimal aligning point. The optimal aligning point depends on the device variant. ① Incorrect ② Correct SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 37: Purging

    Purge tubing diameter should be 6 mm (0.25 in) depending on the device variant. Recommended purging gas flows: For sensor purging: 0.2 ... 7 l/min for each receiver/emitter unit For process purging: 5 ... 50 l /min for each receiver/emitter unit SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 38: Sensor Purging (Optional)

    Process purge 5.2.4.2 Sensor purging (optional) SITRANS TDL device allows purging of the interior of the electronics housing by using inlets/ outlets found on the bottom side of each unit. Note Sensor purging is mandatory for operation in explosive protected environments. For installation details, see Purging system installation/mounting (Page 53)
  • Page 39 ② Emitter unit ③ Receiver unit ④ Purge gas inlet Receiver unit - purging fittings   2. Slide tubing into the receiver housing purge inlet and outlet. Arrows indicate purge gas flow direction. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 40: Sensor Mounting

    1. Prior to installation, ensure that the ring gasket is present on the flange and mount the receiver on the flange. 2. Place the emitter and receiver units on respective sides of the process. Mounting the receiver on the flange SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 41 5. Tighten the connec‐ tion using the clamp screw. Connection with the clamp screw 6. Mount the emitter unit. Follow the same procedure as for the receiver. 7. The system is now prepared for electrical connection. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 42: Emitter Unit

    2. Separate the lid from the housing, until the end of wire hinges. Keep horizontal direction (perpendicularly to front side). 3. Gently tilt the lid at an angle (maximum 110°) to allow easy access to the components inside the housing. Maximum angle of emitter unit lid opening   SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 43: Receiver Unit

    Cautiously dismount housing lid by unscrewing each of the four bolts. The receiver unit lid is only attached by the bolts. Hazardous area purging system installation Note Ensure use of the SITRANS TDL is in accordance to the Ex markings on the device. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 44: Atex Zone 1 And 21 Purging System Installation

    5.3.2 IECEx Zone 2 and 22 purging system installation The SITRANS TDL can be operated in Zone 2 and 22 and provide the optical radiation to Zone 2 and 22 as per the Ex markings listed in Approvals (Page 113). 5.3.3 Basic requirements for safe use 5.3.3.1...
  • Page 45 Never use the kit in the Ex zone without permission of the plant manager (hot work permit). You will find information about possible usage in hazardous areas on a label located on enclosure of the device. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 46: Special Conditions For Safe Use

    • System must not be exposed to UV light sources and direct sunlight. • If the temperature of the connecting element exceeds 70 °C (158 °F), use thermally insulating elements to ensure that the temperature of the SITRANS TDL stays below 70 °C (158 °F).

  • Page 47: Iecex Zone 2 And 22

    • Enclosure should be installed in a way that prevents electrostatic charging, in accordance with the instructions. For more information see, IECEx Zone 2 and 22 purging system installation with SITRANS TDL (Page 61) • Maximum inlet pressure to the pressurized enclosure should not exceed 2000 hPa rel..
  • Page 48 • System power must not be restored after the enclosure has been opened until combustible gas/dust accumulations within the enclosure have been removed. • The equipment can be used in places with a low - risk of mechanical danger. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 49: Overview Of The Purging System

    5.3 Hazardous area purging system installation 5.3.5 Overview of the purging system 5.3.5.1 Overview of ATEX zone 1 and 21 purging system Figure 5-1 Overview of ATEX zone 1 and 21 purging system installation with SITRANS TDL Single Gas SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 50: Description Of The Atex Zone 1 And 21 Purging System For Sitrans Tdl

    Installing/mounting 5.3 Hazardous area purging system installation 5.3.5.2 Description of the ATEX zone 1 and 21 purging system for SITRANS TDL Number Description Additional information SITRANS TDL emitter unit (tube and enclosure) SITRANS TDL receiver (tube and enclosure) Loop cable Customer cable (analog/digital input/outpus)

  • Page 51: Overview Of Iecex Zone 2 And 22 Purging System

    5.3 Hazardous area purging system installation 5.3.5.3 Overview of IECEx zone 2 and 22 purging system Figure 5-2 Overview of IECEx zone 2 and 22 purging system with SITRANS TDL Single Gas 5.3.5.4 Description of IECEx Zone 2 and 22 purging system for SITRANS TDL Number...
  • Page 52 Length should be minimum 0.4 m to maximum 1 m sure) 6 mm gas pipe (from SITRANS TDL emitter enclo‐ 6 mm gas pipe (from SITRANS TDL emitter enclosure gas sure gas output to vent enclosure gas input) output to vent enclosure gas input) Pressure indicator (Suitable for hazardous loca‐...

  • Page 53: Purging System Installation/Mounting

    2. Connect short 6 mm gas pipe (15) into manifold (6) output and SITRANS TDL receiver enclosure (2) gas input with ATEX certified manometer (11) in between (using 6 mm tee connector).
  • Page 54 Figure 5-5 Vent connectors controller side 5. Connect short 6 mm gas pipe (17) into vent enclosure (7) gas input and SITRANS TDL emitter unit enclosure (1) gas output. Make sure that SITRANS TDL emitter unit gas inlets are not sealed with plugs.
  • Page 55 Figure 5-7 Powering the purge controller 9. Connect 6 mm pipe (16) between SITRANS TDL receiver enclosure (2) and SITRANS TDL emitter unit enclosure (1). This pipe should be at least 10 m long (and not longer than 50 m) to satisfy proper pressure/flow conditions.
  • Page 56 10.Connect grounding cable with ring terminal into internal grounding screw inside SITRANS TDL emitter unit enclosure (if using SITRANS TDL ‘customer cable’ (4)) or into external grounding screw on SITRANS TDL enclosure. Make sure the wing nut is well screwed on. Figure 5-8 Grounding terminals emitter unit 11.Close both SITRANS TDL and purging system enclosures.
  • Page 57 Installing/mounting 5.3 Hazardous area purging system installation 16.After purging, the SITRANS TDL will be powered up and ‘enclosure power’ LED on 6500 controller will be lit green. 17.Power for SITRANS TDL system will be interrupted if enclosure overpressure drops below 1.3 hPa rel.
  • Page 58 (1.3 hPa rel. (mbar)) and the power for SITRANS TDL system will be then interrupted. This needle valve is pre-adjusted by Siemens. It is recommended to slowly adjust this needle valve to obtain vent pressure reading above ~2.5 hPa rel. (mbar) (gives optimal gas consumption around 7l/min).
  • Page 59 5.3 Hazardous area purging system installation System pressurization failure alarm If pressurization failure of the enclosures occurs, power to the SITRANS TDL is cut-off by the 6500 purging controller. At the same time, auxiliary contacts of 6500 controller (AUX) are switched on when pressurization is too low.
  • Page 60 SITRANS TDL analyzer as they will be switched off by the purge controller. Similarly, digital output should be powered from the same 24VDC provided to power the SITRANS TDL (i.e. from 6500 purge controller).

  • Page 61: Iecex Zone 2 And 22 Purging System Installation With Sitrans Tdl

    2. Connect 6 mm gas pipe (13) into manifold (6) output and SITRANS TDL receiver enclosure (2) gas input with a manometer that is suitable for hazardous locations (18) in between (using 6 mm tee connector).
  • Page 62 Installing/mounting 5.3 Hazardous area purging system installation 10.Connect short 6 mm pipe (16) between SITRANS TDL emitter unit enclosure and tube (1). 11.Connect 6 mm pipe (15) between SITRANS TDL receiver tube (2) and SITRANS TDL emitter unit tube (1). 12.Additional grounding wire may be connected into external grounding screw on SITRANS TDL enclosure.
  • Page 63 20.Differential pressure on controller display should rise above P3 pressure and purge timer will start counting. 21.After purging, the SITRANS TDL will be powered up and differential pressure will be kept between P2 and P4 pressure. Slow oscillations of manifold may be noticed.
  • Page 64 Figure 5-16 205_Mounting of the vent enclosure Manifold should be mounted near SITRANS TDL receiver using four kit-included screws (1/4”-20, 316 stainless steel) in a way that does not block user access to gas inlet and outlet and also to the needle valve regulation screw.
  • Page 65 Entrance to the controller menu is achievable only by holding ‘set’ button for 5 seconds. System pressurization failure alarm If pressurization failure of the enclosures occurs, power to the SITRANS TDL is cut-off by the 5500 purging controller. At the same time, “K2” relay contacts of 5500 controller are switched on when pressurization is too low.
  • Page 66 5.3 Hazardous area purging system installation System electrical connections - intrinsic safety warnings Even though power to the SITRANS TDL analyser is cut-off by the purging controller (in case of pressurization loss), not all electrical connections that customer is supplying to the system are safe (intrinsically safe).

  • Page 67: Disassembly

    • Only the terminal compartment of the control unit is accessible to users. Under no circumstances shall the control unit, manifold or vent be dismantled or removed from the supplied enclosure In case of any system failure, please contact Siemens customer support Disassembly Note Correct disassembly For correct disassembly, complete the installing and mounting steps in reverse order.
  • Page 68 Installing/mounting 5.4 Disassembly SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 69: Connecting

    • The cable cross-section of the equipotential bonding cable must be greater than or equal to the connecting cable of the electronics WARNING Unprotected cable ends Risk of explosion through unprotected cable ends in hazardous areas. • Protect unused cable ends in accordance with IEC/EN 60079-14. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 70 • Connect or disconnect devices in hazardous areas only in a de-energized state. • Install a suitable switch-off device. Exceptions: • Devices having the type of protection "Intrinsic safety Ex i" may also be connected in energized state in hazardous areas. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 71: Electromagnetic Compatibility (Emc)

    Eliminating or reducing the sources of ignition within the equipment Potential fire hazard. • The product must be connected to an energy-limited circuit. • Connect the device according to the information in Connecting SITRANS TDL (Page 72). Note Electromagnetic compatibility (EMC) You can use this device in industrial environments, households and small businesses.

  • Page 72: Connecting Sitrans Tdl

    6.2.1 Electrical connections The SITRANS TDL gas analyzer consists of a cross-duct sensors - a emitter unit and a receiver unit. The emitter unit emits laser radiation directly through the process containing the constituents of interest. The receiver unit collects the laser radiation on the other side of the process duct. The receiver unit is connected to the emitter unit by means of a loop cable.

  • Page 73: Available Interfaces

    Connecting 6.2 Connecting SITRANS TDL Standard connections needed for analyzer commissioning are as follows: • Customer cable – used for power supply and analog/digital IO. Customer cable is an electrical cable with 12 x 0.5 mm (20 AWG) wires. Standard length is available in different lengths.
  • Page 74 Connecting 6.2 Connecting SITRANS TDL For grounding the emitter unit, the internal or external grounding screws can be used. Figure 6-1 Grounding terminals emitter unit Note Ensure that the grounding connections are well tightened. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 75: Emitter Unit - Electrical Terminals

    Connecting 6.2 Connecting SITRANS TDL 6.2.4 Emitter unit - electrical terminals The description of the emitter unit electrical terminals with its functionalities is presented in this chapter. ① Pressure sensor ② Electrical terminals ③ USB port ④ Ethernet port for web server connection ⑤...
  • Page 76 Connecting 6.2 Connecting SITRANS TDL Row Function Symbol Characteristic Supply voltage for receiver side RemoteRX 19 - 30 VDC (out‐ put) Supply voltage 24 VDC 19 - 30 VDC (input) Analog input 1 AIN1 19 - 30 VDC, 24mA Active/Passive (4 - 20 mA)

  • Page 77: Power Supply

    Connecting 6.2 Connecting SITRANS TDL 6.2.4.2 Power supply Connection Connect the power supply to HOST board P3 terminal. Use the customer cable provided with the device or use a standard cable (shielded cable is preferred) with a maximum wire diameter of 2.5 mm (14 AWG).
  • Page 78 Analog input/output dip switches Analog outputs can operate in two modes accordingly to NAMUR NE43 and EN 15267-3:2007. SITRANS TDL generates the failure signal at the level of 3.3 mA. NAMUR NE43 provides guidelines for signaling failure information to the safety-interlock systems over a 4 to 20 mA loop.

  • Page 79: Active Analog Outputs

    Active analog outputs need no external power supply of the output terminal. SITRANS TDL provides power supply for the active analog outputs and thus analog outputs MUST NOT BE powered externally. Please set the dip switch to Active (A) before powering up the system.

  • Page 80: Passive Analog Outputs

    Active analog inputs need no external powering of the input terminal. Set analog input dip switch to A (active) before powering up the system. SITRANS TDL provides power supply for the active analog inputs and thus analog inputs MUST NOT BE powered externally.

  • Page 81: Passive Analog Inputs

    6.2.4.8 Digital outputs SITRANS TDL system provides 4 high side power switch (MOSFET) based digital outputs. Digital outputs are galvanically isolated from HOST board thus the digital outputs block must be powered externally (pin 21 and 22, 19-30 VDC). Each output can handle current up to 0.5 A. The status of each output is displayed on the HOST board with the blue LED in DOUT section.

  • Page 82: Resistance Temperature Detectors

      6.2.4.9 Resistance temperature detectors The SITRANS TDL system includes resistance temperature detectors (RTDs) input for measuring the process temperature. The system supports RTDs of PT100 and PT1000 type in 2-, 3-, and 4-wire connection scheme. Two dip switches are used to configure the system according to the actual RTD configuration.
  • Page 83 Connecting 6.2 Connecting SITRANS TDL The wiring configuration is set by using the dip switch next to terminals 11 and 12. Configuration Dip switch setting Connection diagram (next to terminals 11 and 12) 2-wire RTD 2-wire, 4-wire 3-wire RTD 3-wire 4-wire RTD...

  • Page 84: Loop Cable Connection

    (2 x 0.5 mm (20 AWG)) for power supply, synchronization and a grounding wire (green yellow). For proper operation, use only the loop cable supplied by Siemens. Please follow the step-by-step instructions (Page 84) for correct installation. ① Power supply and sychronization (twisted pair) ②...
  • Page 85 Connecting 6.2 Connecting SITRANS TDL   Grounding point for loop cable ① Grounding point After opening the receiv‐ er unit, you will see the following board. ① Fiber cable receptacle ② Receiver power supply Slide the loop cable through the gland placed on the bottom side of the receiver.

  • Page 86: Emitter Unit - Loop Cable Installation Instruction

    Connecting 6.2 Connecting SITRANS TDL 11. When the installation is complete, the assembly should look like on the following figure. Close the receiver unit lid.     Completed loop cable installation ① Grounding point 6.2.5.2 Emitter unit - loop cable installation instruction Place the other side of the loop cable in the gland and using two wrenches (size 24), tighten the connection.

  • Page 87: Customer Cable Connection

    Please use the cable with 0.5 mm (10 AWG) wires and external diameter between 7 to 12 mm (0.3 to 0.5 in) to fit into the gland. Cable supplied by Siemens is preferred. Please follow the step-by-step instruction for correct installation. SITRANS TDL...
  • Page 88 Connecting 6.2 Connecting SITRANS TDL 1. Cautiously dismount emitter unit housing lid by unscrewing each of the four bolts. 2. Place the sealing nut and the claw on the customer cable. Sealing nut and claw on the customer cable ① Sealing nut ②...

  • Page 89: Ethernet Connection

    For access to the internal web server a separate ethernet cable is connected to the analyzer. To ensure IP66 protection, use only the ethernet cables supplied as accessory parts by Siemens. • For analyzers with stainless steel glands or analyzers that are installed in ATEX / zone 1, the ethernet cable must be permanently installed using a standard cable gland.
  • Page 90 Connecting 6.2 Connecting SITRANS TDL ① Ethernet cable connector (emitter unit) ② Ethernet cable connector (customer side) • For analyzers with stainless steel glands or analyzers that are installed in ATEX / zone 1, the ethernet cable must be permanently installed using a standard cable gland.

  • Page 91: Ethernet Cable Installation With Ethernet Socket

    Connecting 6.2 Connecting SITRANS TDL 6.2.8 Ethernet cable installation with Ethernet socket 1. Unscrew ethernet gland cap. 2. Put ethernet cable in the gland and twist the nut. 3. If the ethernet cable is not used either permanently or temporarily, make sure the gland cap is twisted on, so the ethernet socket and whole emitter unit housing is sealed.

  • Page 92: Permanent Ethernet Installation With Cable Gland

    Figure 6-6 Ethernet cable connection through sealed gland 6.2.10 Industrial protocols connection The SITRANS TDL offers the option to use MODBUS RTU, MODBUS TCP and PROFIBUS industrial communication protocols. NOTICE Industrial communication protocol networks should be secured Industrial communication protocol networks are unprotected and should be secured by the customer.

  • Page 93: Hazardous Area Installation

    NOTICE Network Security Solution It is recommended to provide a secure network environment for SITRANS TDL via special routers or gateways. Additionally, security can be provided by segmenting individual subnets, for example, by using the cell security concept or a demilitarized zone (DMZ).
  • Page 94 Connecting 6.3 Hazardous area installation SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 95: Commissioning

    The same risk continues to apply when error messages are switched off or disabled. WARNING Hot surfaces Risk of burns resulting from hot surfaces. • Take corresponding protective measures, for example by wearing protective gloves. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 96: Loss Of Explosion Protection

    • Ensure that the device is pre-purged before it is commissioned. • Ensure that purging time, quantity and medium are correctly observed. Refer to the information in Technical specifications (Page 109). SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 97: General Requirements

    ② Local buttons ③ Graphical display ④ Local operation (HMI) Note Output remains active While the device is being configured, the output remains active and continues to respond to changes in the process. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 98: Device Startup

    If the startup procedure stopped at the step below ten for more than five minutes, please refer to the Startup Procedure troubleshooting steps. Table 7-2 Startup procedure troubleshooting steps Startup Procedure Number Troubleshooting 0 to 6 Internal error occurred.   Please contact Siemens technical support. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 99: Local Commissioning

    In the upper left corner of each view, the wizard name appears, followed by each step name. In the upper right corner, the view number is shown. The number of steps depends on the actual device variant ordered. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 100 Button Function Leave menu without saving changes Scroll up in list of options Scroll down in list of options Select option. Confirm selection and save setting. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 101 Commissioning 7.5 Local commissioning SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 102 Commissioning 7.5 Local commissioning SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 103: Service And Maintenance

    • Ensure that the atmosphere is explosion-free (hot work permit). CAUTION Releasing button lock Improper modification of parameters could influence process safety. • Make sure that only authorized personnel may cancel the button locking of devices for safety-related applications. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 104: Cleaning

    • Prevent electrostatic charging in hazardous areas. Maintenance and repair work WARNING Impermissible repair of the device • Repair must be carried out by Siemens authorized personnel only. WARNING Improper device modifications Risk to personnel, system, and environment can result from modifications to the device, particularly in hazardous areas.
  • Page 105 3. Visually inspect sensor inlet and outlet. WARNING Improper connection after maintenance • Connect the device correctly after maintenance. • Close the device after maintenance work. Refer to Connecting (Page 69). SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 106 • Before you open the enclosure or remove enclosure parts, de-energize the device. • If maintenance measures in an energized state are necessary, observe the particular precautionary measures. Have maintenance work carried out by qualified personnel. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 107: Replacing The Device

    To return a product to Siemens, see Returns to Siemens (www.siemens.com/returns-to- siemens). Contact your Siemens representative to clarify if a product is repairable, and how to return it. They can also help with quick repair processing, a repair cost estimate, or a repair report/ cause of failure report.

  • Page 108: Disposal

    Incomplete or non-secure deletion of data from data memories can result in data misuse by third parties. For this reason, ensure secure deletion of data from all storage media used before disposing of the product. SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 109: Technical Specifications

    Technical specifications Note Device specifications Siemens makes every attempt to ensure the accuracy of these specifications but reserves the right to change them at any time. Note Device-specific approvals Always refer to nameplates on the device for device-specific approvals. CAUTION...

  • Page 110: Power

    9.2 Power Dimensions in mm (inch)   Power Power input 24 VDC nominal (19-30 VDC) Power consumption (SITRANS TDL only) 45 VA during start up, <15 VA during operation EMC immunity In accordance with IEC/EN 61326-1 Electric safety In accordance with IEC/EN 61010-1 Wait time before opening enclosure 4 minutes (depending on piping overall length)

  • Page 111: Performance

    If these conditions cannot be fulfilled, a heat protection must be installed. Depending on local conditions, solutions may range from installation of a sun shield to operating SITRANS TDL in a cabinet with controlled environment.

  • Page 112: Purging

    Low measurement accuracy outside of -20 ºC to +55 ºC (-4 ºF to +131 ºF) Note Equipotential bonding conductor connection allows to the effective connection of at least one conductor with a cross-sectional area of at least 4 mm (12 AWG). SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 113: Approvals

    Certificate No. KDB 24ATEX0017X     IECEx (Zone 2 and 22 purging system installation)   IECEx marking Ex op is pzc IIC T6 Gc Ex op is pzc IIIC T85°C Dc Certificate No. IECEx KDB 24.0003X SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 114 Technical specifications 9.10 Approvals SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

  • Page 115: Product Documentation And Support

    – "Download as html5, only PC": Open or save the manual in the HTML5 view on your PC You can also find manuals with the Mobile app at Industry Online Support (https:// support.industry.siemens.com/cs/ww/en/sc/2067). Download the app to your mobile device and scan the device ID link. Product documentation by serial number Using the PIA Life Cycle Portal, you can access the serial number-specific product information including technical specifications, spare parts, calibration data, or factory certificates.

  • Page 116: Technical Support

    For help creating a support request, view this video here (www.siemens.com/opensr). Additional information on our technical support can be found at Technical Support.   Service & support on the Internet In addition to our technical support, Siemens offers comprehensive online services at service & support (https://sieportal.siemens.com/en-ww/support). Contact...

  • Page 117: Index

    Technical support, 116 Hotline, (Refer to Support request) partner, 116 personal contact, 116 Test certificates, 13 Laws and directives, 14 Lithium batteries, 107 Warning symbols, 13 Warranty, 11 Maintenance, 103 Manuals, 115 Modifications correct usage, 14, 104 improper, 14, 104 Order number on the nameplate, 21 SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...
  • Page 118 Index SITRANS TDL Compact Operating Instructions, 08\2024, A5E51659183-AB...

Table of Contents