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Siemens SITRANS L Compact Operating Instructions

Controllers with ultrasonic transducer inputs
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SITRANS LT500 with ultrasonic transducer inputs
SITRANS L
Controllers
SITRANS LT500 with ultrasonic
transducer inputs
Compact Operating Instructions
7ML60.. (SITRANS LT500 with ultrasonic transducer
inputs)
02/2024
A5E52021877-AA
Getting started
Introduction
Safety notes
Installing/mounting
Connecting
Commissioning
Service and maintenance
Technical specifications
Product documentation and
support
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2
3
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6
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Summary of Contents for Siemens SITRANS L

  • Page 1 SITRANS LT500 with ultrasonic transducer inputs Getting started Introduction SITRANS L Safety notes Installing/mounting Controllers SITRANS LT500 with ultrasonic Connecting transducer inputs Commissioning Compact Operating Instructions Service and maintenance Technical specifications Product documentation and support 7ML60.. (SITRANS LT500 with ultrasonic transducer...
  • 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

    Table of contents Getting started ............................6 Introduction ............................7 Purpose of this documentation .................... 7 Designated use ........................7 Industrial use note ....................... 7 Product compatibility ......................7 Checking the consignment ....................8 Security information ......................9 Transportation and storage ....................10 Notes on warranty ......................
  • Page 4 Table of contents Connecting ............................28 Basic safety notes ......................28 Connecting SITRANS LT500 ....................31 5.2.1 Sensor connections ......................32 5.2.2 Wiring compartment ......................33 5.2.3 Accessing wiring compartment ..................34 5.2.4 Terminal board ........................36 5.2.5 Cables ..........................37 5.2.6 Supported sensors ......................
  • Page 5 Table of contents Technical specifications ........................102 Power ..........................102 Performance ........................103 User Interfaces ......................... 104 Outputs ........................... 104 Inputs ..........................105 Construction ........................106 Operating conditions ....................... 107 Communication ....................... 107 Certificates and approvals ....................110 Product documentation and support ....................111 Product documentation ....................

  • Page 6: Getting Started

    Getting started Use this chapter as a quick reference. It provides links to the steps required for startup. Before you begin, read the following safety information: • General safety information (Page 11) • Basic safety information: Installing/mounting (Page 15) • Basic safety information: Connecting (Page 28) •...

  • Page 7: Introduction

    Introduction Purpose of this documentation These instructions are a brief summary of important features, functions and safety information, and contain all information required for safe use of the device. Read the instructions carefully prior to installation and commissioning. In order to use the device correctly, first review its principle of operation.

  • Page 8: Checking The Consignment

    Introduction 2.5 Checking the consignment Modbus RTU Manual Remarks Device revision Compatible version of device integration package edition 02/2024 First edition Modbus RTU Not applicable Not applicable HART Manual Remarks Device revision Compatible version of device integration package edition 02/2024 First edition HART Not applicable...

  • Page 9: Security Information

    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 to...

  • Page 10: Transportation And Storage

    The sales contract contains all obligations on the part of Siemens as well as the complete and solely applicable warranty conditions. Any statements regarding device versions described in the manual do not create new warranties or modify the existing warranty.

  • Page 11: Safety Notes

    Safety notes Preconditions for use This device left the factory in good working condition. In order to maintain this status and to ensure safe operation of the device, observe these instructions and all the specifications relevant to safety. Observe the information and symbols on the device. Do not remove any information or symbols from the device.

  • Page 12: Fcc Conformity

    US Installations only: Federal Communications Commission (FCC) rules Note Void user authority Changes or modifications not expressly approved by Siemens could void the user’s authority to operate the equipment. SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...

  • Page 13: Ce And Ukca Electromagnetic Compatibility (Emc) Conformity

    Safety notes 3.1 Preconditions for use Note This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment.

  • Page 14: Requirements For Special Applications

    If you need additional information not covered by these instructions, contact your local Siemens office or company representative. Note Operation under special ambient conditions...

  • Page 15: Installing/Mounting

    Installing/mounting Basic safety notes WARNING Improper installation Risk to personnel, system and environment can result from improper installation. • Installation shall only be performed by qualified personnel and in accordance with local governing regulations. CAUTION Damage from electrostatic discharge (ESD) Some components in the device (such as communication cards, or memory cards) are sensitive to electrostatic discharge and could be damaged.

  • Page 16: Proper Mounting

    Installing/mounting 4.2 Installing/mounting the device 4.1.2 Proper mounting NOTICE Incorrect mounting The device can be damaged, destroyed, or its functionality impaired through improper mounting. • Before installing ensure there is no visible damage to the device. • Make sure that process connectors are clean, and suitable gaskets and glands are used. •...

  • Page 17: Drilling Cable Entry Holes

    Installing/mounting 4.2 Installing/mounting the device Note Incorrect torque Ensure torque is set properly or damage to the device may occur. • Tighten lid screws to 0.7 to 0.9 Nm (6 to 8 lb-inch). • Tighten remote lid screws to 1.1 Nm (10 lb-inch). •...

  • Page 18: Wall Mounting

    Installing/mounting 4.2 Installing/mounting the device Dimensions in mm (inch) 4.2.3 Wall mounting Condition • The following have been reviewed: Basic safety notes (Page 15), and General installation notes (Page 16). • The correct number of cable entry holes (for this installation) are available; device was ordered with pre-drilled cable entry holes, or customer has completed procedure Drilling cable entry holes (Page 17).
  • Page 19 Installing/mounting 4.2 Installing/mounting the device Procedure 1. Unscrew the lid (six screws) and open it to reveal the mounting holes. 2. Mark and drill four holes in the mounting surface for the four screws (customer supplied). ① Mounting screw holes 3.

  • Page 20: Panel Mounting

    Installing the panel mount device requires making a cutout in the panel. The dimensions for the cutout are provided in the illustration below. A full size cutout template is provided with the device or may be downloaded from Siemens Industry Online Support (SIOS) (https://support.industry.siemens.com).
  • Page 21 Installing/mounting 4.2 Installing/mounting the device Condition • The following have been reviewed: Basic safety notes (Page 15), and General installation notes (Page 16). • The correct number of cable entry holes (for this installation) are available; device was ordered with pre-drilled cable entry holes, or customer has completed procedure Drilling cable entry holes (Page 17).

  • Page 22: Remote Panel Mounting

    Installing/mounting 4.2 Installing/mounting the device 4.2.5 Remote panel mounting ① Four panel mount fasteners provided ② Remote display lid ③ Gasket ④ LT500 with blank lid ⑤ Extension cable ⑥ Connection between two extension cables 4.2.6 Mounting the remote lid Note Remote mounted lid can be mounted up to 5 m from the device using two optional cable extensions (each 2.5 m in length).

  • Page 23: Remote Panel Mount Cutout

    Installing/mounting 4.2 Installing/mounting the device Note Recommended torque on fastening screws for good seal: • 1.1 Nm (10 lb-inch) Note • Recommended mounting: mount to panel, up to 5 m from the device. If alternate mounting surface is used, it MUST be able to support four times the weight of the device. •...

  • Page 24: Remote Mounted Lid With Extension Cable

    Installing/mounting 4.2 Installing/mounting the device 4.2.8 Remote mounted lid with extension cable The optional blank lid can be mounted remotely up to 5 m from the device. The optional extension cable can be used for such an installation. 1. Remove lid from the enclosure. WARNING Loss of protection Loss of protection can result from improper installation.

  • Page 25: Extension Cable

    Installing/mounting 4.2 Installing/mounting the device 3. Feed the free end of the extension cable through cable entry hole on blank lid. ① Remote lid ② Cable entry cutout 4. Connect extension cable to display cable on remote lid. 5. Secure blank lid on device and mount display lid remotely per illustration in Remote panel mounting (Page 22).

  • Page 26: Installing The Communication Card

    Installing/mounting 4.3 Installing the communication card Installing the communication card Communication cards are generally pre-installed. If necessary, follow these steps to install the card: Procedure CAUTION Damage from electrostatic discharge (ESD) Some components in the device (such as communication cards, or memory cards) are sensitive to electrostatic discharge and could be damaged.

  • Page 27: Installing The Memory Card

    Installing/mounting 4.4 Installing the memory card Installing the memory card Memory card is generally pre-installed. If unit does not have one, follow these steps to install the card: Procedure CAUTION Damage from electrostatic discharge (ESD) Some components in the device (such as communication cards, or memory cards) are sensitive to electrostatic discharge and could be damaged.

  • Page 28: Connecting

    Connecting Basic safety notes WARNING Missing PE/ground connection Risk of electric shock. Depending on the device version, connect the power supply as follows: • Power plug: Ensure that the used socket has a PE/ground conductor connection. Check that the PE/ground conductor connection of the socket and power plug match each other.
  • Page 29 Connecting 5.1 Basic safety notes 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. • Tighten the cable glands in accordance with the torques specified in Technical specifications (Page 102).
  • Page 30 Connecting 5.1 Basic safety notes WARNING Connecting or disconnecting in explosive environments Connecting or disconnecting a powered device in explosive environments can lead to an explosion. • Connect and disconnect in non-explosive environments. - or- • Remove power to the device before connecting or disconnecting in explosive atmosphere.

  • Page 31: Connecting Sitrans Lt500

    Connecting 5.2 Connecting SITRANS LT500 Connecting SITRANS LT500 ① Supported sensor(s) ⑤ Communication card ② Customer alarm, pump, or control ⑥ Display, chart recorder, or other control de- device vice ③ Customer device, digital output ⑦ Computer running SIMATIC PDM, or FDT. ④...

  • Page 32: Sensor Connections

    Connecting 5.2 Connecting SITRANS LT500 5.2.1 Sensor connections ① To sensor (measurement point 1) Note that for EchoMax transducer connection: positive = black wire negative = white wire WARNING Hazardous voltage Hazardous voltage present on transducer terminals during operation. Note Important wiring notes •...

  • Page 33: Wiring Compartment

    Connecting 5.2 Connecting SITRANS LT500 ① Coaxial cable to transducer ② Twisted, shielded cable to controller Note Avoiding damage to connected sensor The device supports several different transducers. Some, like the XPS-30, are driven by a low power level, while others, like the XPS-15, are driven by a high power level. It may be possible to damage a low power transducer like the XPS-30 if the transducer selection is currently set to one of the high power transducers.

  • Page 34: Accessing Wiring Compartment

    Connecting 5.2 Connecting SITRANS LT500 5.2.3 Accessing wiring compartment Condition The following have been reviewed: Basic safety notes (Page 28). Procedure 1. Loosen six screws on lid. 2. Lift lid up and to the left on its hinges. 3. The lid can remain open connected by hinges to access wiring compartment. 4.
  • Page 35 Connecting 5.2 Connecting SITRANS LT500 ① Socket to connect optional communication card ⑤ Display connector ② Sensor LEDs ⑥ Memory card holder ③ Service port ⑦ Power supply (AC or DC) ④ Accessory port ⑧ Diagnostic LEDs SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...

  • Page 36: Terminal Board

    Connecting 5.2 Connecting SITRANS LT500 5.2.4 Terminal board Note Recommended torque on terminal clamping screws • 0.56 to 0.79 Nm (5 to 7 lb-inch) Do not overtighten. SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...

  • Page 37: Cables

    Connecting 5.2 Connecting SITRANS LT500 5.2.5 Cables Connection Cable type Sensor, mA output, mA input, • 2 copper conductors, twisted, with shield /drain wire, Digital input, Sync, TS-3 0.324 ... 0.823 mm (22 ... 18 AWG) • Insulation rated to 300 Vrms •...

  • Page 38: Relays

    Connecting 5.2 Connecting SITRANS LT500 5.2.7 Relays Relay contacts are shown in the de-energized state. All relays are handled identically and can be configured as positive or negative logic using parameter Polarity 2.4.6.14 (per relay). Relay ratings • Four Form A, NO relays (1, 2, 4, 5) •...

  • Page 39: Ts-3 Temperature Sensor

    Connecting 5.2 Connecting SITRANS LT500 5.2.9 TS-3 temperature sensor Note that for TS-3 temperature sensor connection: positive = black wire negative = white wire 5.2.10 mA input The mA input accepts a 4 to 20 mA input from a loop powered device, which can be powered from the bias (terminal 30).

  • Page 40: Ma Output

    Connecting 5.2 Connecting SITRANS LT500 mA input used with external power supply ① To 4 to 20 mA loop powered device 5.2.11 mA output For more information on auxiliary mA outputs, see the complete operating instructions, and consult current output parameters in menu Inputs and outputs (2.4). SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...

  • Page 41: Digital Inputs

    Connecting 5.2 Connecting SITRANS LT500 5.2.12 Digital inputs The digital inputs can be powered from the internal DC power supply (terminal 30), or the they can be powered from an external power supply. ① DC power supply for positive digital inputs ②...

  • Page 42: Power

    Connecting 5.2 Connecting SITRANS LT500 5.2.13 Power WARNING Improper power connection Risk to personnel, system and environment can result from improper power connection. • Before applying power to the device for the first time, ensure any connected alarm/control equipment is disabled until satisfactory system operation and performance is verified.

  • Page 43: Communication

    Connecting 5.2 Connecting SITRANS LT500 5.2.14 Communication 5.2.14.1 Communication fieldbus Connect, based on protocols that follow. For a list of supported protocols see AUTOHOTSPOT. 5.2.14.2 HART Active Passive For Active HART connection (using LT500 integral power supply), connect terminals 35 and For Passive HART connection (using external power supply), connect terminals 36 and 37.
  • Page 44 The nominal value for the HART resistor is 250 Ohm. For more information see application guide "Working with HART", which can be downloaded from the product page of our website. Go to: Product page (www.siemens.com/sitransLT500) then under Support, click Application Guides.

  • Page 45: Modbus Rtu

    Connecting 5.2 Connecting SITRANS LT500 5.2.14.3 Modbus RTU EIA-RS485 point-to-point connection to Modbus RTU master ① Termination resistors ② Modbus RTU master EIA-RS485 multidrop connection to a Modbus RTU master ① Termination resistors ② Modbus RTU master Note Termination resistors Termination resistors are typically 120R, however check the EIA-RS485 guidelines for more information.

  • Page 46: Profibus Pa/Dp

    Connecting 5.2 Connecting SITRANS LT500 Note Cable type Use cable type Belden 9841 or equivalent. 5.2.14.4 PROFIBUS PA/DP ① Termination for Profibus DP (dip switches on Profibus DP card only, normally set in OFF position as shown here) • If LT500 is an end node on the bus, all switches should be set in ON position •...

  • Page 47: Hazardous Area Installations

    Connecting 5.3 Hazardous area installations Hazardous area installations 5.3.1 Improper power supply WARNING Improper power supply Risk of explosion in hazardous areas as result of incorrect power supply. • Connect the device in accordance with the specified power supply and signal circuits. The relevant specifications can be found in the certificates, in Technical specifications (Page 102) or on the nameplate.

  • Page 48: Commissioning

    Commissioning Basic safety notes DANGER Toxic gases and liquids Danger of poisoning when venting the device: if toxic process media are measured, toxic gases and liquids can be released. • Before venting ensure that there are no toxic gases or liquids in the device, or take the appropriate safety measures.

  • Page 49: General Requirements

    Commissioning 6.2 General requirements General requirements Before commissioning it must be checked that: • The device has been installed and connected in accordance with the guidelines provided in Installing/mounting (Page 15) and Connecting (Page 28). • The device meets the local governing codes and good engineering practises for use in a critical application with applicable backup systems and alarms.

  • Page 50: Device Startup

    The next HMI view will be the operation view 1. For any subsequent startup, after power-on, the device automatically starts in operation view. A transition screen showing first the Siemens logo and then the current firmware revision of the product is displayed while the first measurement is being processed.

  • Page 51: Local Commissioning

    Parameter configuration charts that list all parameters and available options for each application type are available on our website. Go to Product page (www.siemens.com/sitransLT500). Click "Support > Application examples". Record data and select from options on the chart that apply to your application, then with this data on hand, complete the quick start wizards.

  • Page 52: Wizards

    Commissioning 6.5 Local commissioning 6.5.2 Wizards 6.5.2.1 Wizard overview Note Important information regarding the use of commissioning wizard • A reset to defaults should be performed before running "Quick commissioning" wizard if the device has been used in a previous application. •...
  • Page 53 Commissioning 6.5 Local commissioning ① Step name/Parameter name, e.g. "Units" ② Wizard name, e.g. "Quick commissioning" ③ View number/Total views in wizard, e.g. 4th view of 13 A wizard provides an easy step-by-step procedure to guide you through a quick setup of various parameters.
  • Page 54 Commissioning 6.5 Local commissioning 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. With the successful completion of each quick commissioning wizard, the following are set: •...

  • Page 55: Quick Commissioning

    Commissioning 6.5 Local commissioning Note Damping via commissioning wizard vs menu parameters Upon successful completion of the wizard: • Sensor damping is set on the supported sensor by wizard parameter "Response rate". • All other damping (local display, current output, fieldbus) is set to zero (disabled). To affect damping on a mA input, or to set further damping of the device outputs, use menu parameter "Damping value"...
  • Page 56 Commissioning 6.5 Local commissioning For more information about commissioning a Level, Space, or Distance application, go to Quick commissioning: Level/Space/Distance (Page 57). For more information about commissioning a Volume application, go to Quick commissioning: Volume (Page 63). For more information about commissioning a Volume flow application, go to Quick commissioning: Volume flow (Page 71).
  • Page 57 Commissioning 6.5 Local commissioning The remaining parameters to be configured in the wizard will depend on the application selected, and on the type of sensor connected. Note Dual-point device applications An application setting of "Level average" or "Level difference" is only possible with a dual- point version, and must be set outside of the commissioning wizard.
  • Page 58 Commissioning 6.5 Local commissioning ① Distance ⑤ Lower calibration point ② Space ⑥ Far range ③ Upper calibration point ⑦ Level ④ Sensor reference point Setting Description Reference point Level Height of material Lower calibration point (process empty level) Space Upper calibration point (process full level) Distance to material surface...
  • Page 59 Commissioning 6.5 Local commissioning Length units Sets the length units applied for local operation and the communication interface, on measurement point 1 and 2. Setting • m (meters) • cm (centimeters) • mm (millimeters) • ft (feet) • in (inches) Default Note Process value too large to display...
  • Page 60 Commissioning 6.5 Local commissioning Step: Sensor type Sensor type Sets the limit condition that is applied to the sensor input Setting • EchoMax XRS-5 • EchoMax XPS-10 • EchoMax XPS-15 • EchoMax XPS-30 • EchoMax XPS-40 • ST-H • EchoMax XCT-8 •...
  • Page 61 Commissioning 6.5 Local commissioning Fixed temperature Sets a fixed temperature value if a temperature sensing device is not used. Setting -100.0 ... +150.0 °C Default +20.0 °C This parameter is only visible when parameter "Temperature source" is set to "Fixed temperature".
  • Page 62 Commissioning 6.5 Local commissioning Response rate Sets reaction speed of device to measurement changes in target range. Use a setting just faster than the maximum filling or emptying rate (whichever is faster). Setting Slow 0.1 m/min (fill/empty rate) Medium 1.0 m/min (fill/empty rate) Fast 10.0 m/min (fill/empty rate) Default...
  • Page 63 Commissioning 6.5 Local commissioning Quick commissioning: Volume SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...
  • Page 64 Commissioning 6.5 Local commissioning ① Distance ⑤ Lower calibration point ② Space ⑥ Far range ③ Upper calibration point ⑦ Level ④ Sensor reference point Setting Description Reference point Volume Volume of material in Volume units Lower calibration point (based on level) Step: Units Note Local units set immediately by wizard...
  • Page 65 Commissioning 6.5 Local commissioning Volume units Sets the volume units applied for local operation and the communication interface, on measurement point 1 and 2. Setting • l (liters) • bu (bushels) • hl (hectoliters) • bbl-beer (31 US gallon barrels) •...
  • Page 66 Commissioning 6.5 Local commissioning Step: Sensor type Sensor type Sets the limit condition that is applied to the sensor input Setting • EchoMax XRS-5 • EchoMax XPS-10 • EchoMax XPS-15 • EchoMax XPS-30 • EchoMax XPS-40 • ST-H • EchoMax XCT-8 •...
  • Page 67 Commissioning 6.5 Local commissioning Fixed temperature Sets a fixed temperature value if a temperature sensing device is not used. Setting -100.0 ... +150.0 °C Default +20.0 °C This parameter is only visible when parameter "Temperature source" is set to "Fixed temperature".
  • Page 68 Commissioning 6.5 Local commissioning Response rate Sets reaction speed of device to measurement changes in target range. Use a setting just faster than the maximum filling or emptying rate (whichever is faster). Setting Slow 0.1 m/min (fill/empty rate) Medium 1.0 m/min (fill/empty rate) Fast 10.0 m/min (fill/empty rate) Default...
  • Page 69 Commissioning 6.5 Local commissioning Display name/description Vessel shape Other parameter settings required Setting Linear vessel Maximum volume Conical bottom vessel Maximum volume, Vessel dimension A Parabolic bottom vessel Maximum volume, Vessel dimension A Half sphere bottom vessel Maximum volume, Vessel dimension A Flat sloped bottom vessel Maximum volume, Vessel dimension A Cylinder vessel...
  • Page 70 Commissioning 6.5 Local commissioning Display name/description Vessel shape Other parameter settings required Sphere vessel Maximum volume Custom Use for custom volume applica- tion. Default Linear vessel Maximum volume ① Vessel dimension A ② Vessel dimension L Vessel dimension A Sets height of vessel bottom when bottom is conical, parabolic, half spherical, or flat sloped. If horizontal parabolic ends vessel, sets depth of end.
  • Page 71 Commissioning 6.5 Local commissioning Quick commissioning: Volume flow SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...
  • Page 72 Commissioning 6.5 Local commissioning ① Sensor reference point ⑥ Head ② Upper calibration point ⑦ Material surface ③ Lower calibration point ⑧ Maximum head/Maximum flow ④ Zero head offset ⑨ Far range ⑤ Zero head Setting Description Reference point Volume flow Flow rate in an open channel in Volume Zero head, zero flow flow units...
  • Page 73 Commissioning 6.5 Local commissioning Length units Sets the length units applied for local operation and the communication interface, on measurement point 1 and 2. Setting • m (meters) • cm (centimeters) • mm (millimeters) • ft (feet) • in (inches) Default SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...
  • Page 74 Commissioning 6.5 Local commissioning Volume flow units Sets the volume flow units applied for local operation and the communication interface, on measurement point 1 and 2. Setting • l/d (liters per day) • Mft³/d (million cubic feet per day) • l/h (liters per hour) •...
  • Page 75 Commissioning 6.5 Local commissioning Volume units Sets the volume units for totalizers, applied for local operation and the communication interface. • For measurement point 1, volume units are set for totalizer 1 and 2. • For measurement point 2, volume units are set for totalizer 3 and 4. Setting •...
  • Page 76 Commissioning 6.5 Local commissioning Step: Sensor type Sensor type Sets the limit condition that is applied to the sensor input Setting • EchoMax XRS-5 • EchoMax XPS-10 • EchoMax XPS-15 • EchoMax XPS-30 • EchoMax XPS-40 • ST-H • EchoMax XCT-8 •...
  • Page 77 Commissioning 6.5 Local commissioning Fixed temperature Sets a fixed temperature value if a temperature sensing device is not used. Setting -100.0 ... +150.0 °C Default +20.0 °C This parameter is only visible when parameter "Temperature source" is set to "Fixed temperature".
  • Page 78 Commissioning 6.5 Local commissioning Response rate Sets reaction speed of device to measurement changes in target range. Use a setting just faster than the maximum filling or emptying rate (whichever is faster). Setting Slow 0.1 m/min (fill/empty rate) Medium 1.0 m/min (fill/empty rate) Fast 10.0 m/min (fill/empty rate) Default...
  • Page 79 Commissioning 6.5 Local commissioning Step: Primary measuring device Primary measuring device (PMD) Sets the type of primary measuring device (PMD) used. Setting • Exponential devices • Rectangular flume BS 3680/ISO 4373 • Round nose horizontal crest weir BS 3680/ISO 4373 •...
  • Page 80 Commissioning 6.5 Local commissioning Step: Flow settings (vary by PMD) Note Two parts to "Step: Flow settings" (vary by PMD) Part 1 - The dimensions (one to four), based on the selected PMD, are set. Part 2 - Other required flow settings, based on the selected PMD, are set. Only the settings required for the selected PMD are visible in the wizard on the HMI.
  • Page 81 Commissioning 6.5 Local commissioning Step: Apply? Apply? Applies settings as last step in wizard. Setting Wizard completes and settings are applied. Returned to start of wizard. Default Volume flow wizard_note for zero head Note Head calibration can improve accuracy It is strongly recommended that a zero head calibration be performed after completion of the wizard to ensure best accuracy.

  • Page 82: Pump Control

    Commissioning 6.5 Local commissioning 6.5.2.3 Pump control Step: About Provides step-by-step procedure to configure the control of one or more pumps. This is the first step in the wizard. SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...
  • Page 83 Commissioning 6.5 Local commissioning Step: Select measurement point Select measurement point Sets the measurement point to be configured for pump control function. This step will not appear on a single-point device. Setting • Measurement point 1 • Measurement point 2 •...
  • Page 84 Commissioning 6.5 Local commissioning Step: Pump control mode Pump control mode Sets the control algorithm used to activate the relay. Setting • Alternate duty assist • Alternate duty backup • Service ratio duty assist • Service ratio duty backup • Fixed duty assist •...
  • Page 85 Commissioning 6.5 Local commissioning CAUTION Relay conflicts If relays are assigned to another application, notification is present at the start of the wizard, but assigned relays remain available here. If a pump is assigned in the wizard to one of these relays, the assignment from the wizard will be used.
  • Page 86 Commissioning 6.5 Local commissioning Step: Pump run times Note Step is repeated per pump The parameter in this step will need to be set for each pump used in the application. This step is only visible if pump control mode is set to "Service ratio duty assist" or "Service ratio duty backup".
  • Page 87 Commissioning 6.5 Local commissioning On setpoint pump 1 Sets the level at which pump turns on. Setting -99999 … 99999 m Default Off setpoint pump 1 Sets the level at which pump turns off. Setting -99999 … 99999 m Default Step: Apply? Apply? Applies settings as last step in wizard.

  • Page 88: Basic Control

    Commissioning 6.5 Local commissioning 6.5.2.4 Basic control Step: About Provides step-by-step procedure to configure the control of one or more relays based on a measurement. This is the first step in the wizard. Step: Select control source Select control source Sets the control source to be configured for a basic control application.
  • Page 89 Commissioning 6.5 Local commissioning Step: Relays currently assigned Relays currently assigned Displays any relays that are currently configured for other applications, as a reference of relay availability for the basic control function. This step does not appear if no relays are configured for other applications. Step: Control relays Control relays Enables selected relays for basic control function.
  • Page 90 Commissioning 6.5 Local commissioning Step: Apply? Apply? Applies settings as last step in wizard. Setting Wizard completes and settings are applied. Returned to start of wizard. Default SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...

  • Page 91: Alarms

    Commissioning 6.5 Local commissioning 6.5.2.5 Alarms Step: About Provides step-by-step procedure to configure alarms. This is the first step in the wizard. SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...
  • Page 92 Commissioning 6.5 Local commissioning Step: Select measurement point Select measurement point Sets the measurement point to be configured for alarms. Setting • Measurement point 1 • Measurement point 2 • External TS-3 • Exit Default Measurement point 1 Step: Alarm sources Alarm sources Sets the source for alarms.
  • Page 93 Commissioning 6.5 Local commissioning Select the setting "Sensor diagnostics" to configure alarms based on a pre-defined list of diagnostics: Measurement point 1 Measurement point 2 Sensor diagnostic message Diagnostic ID Diagnostic ID Sensor not found. Loss of echo. Submergence detected. SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...
  • Page 94 Commissioning 6.5 Local commissioning Step: Enable alarms Enable alarms Enables alarms based on alarm sources. Measurement point 1 Measurement point 2 Setting [ ] 320 Level (point 1) above alarm limit [ ] 340 Level (point 2) above alarm limit [ ] 321 Level (point 1) above warning limit [ ] 341 Level (point 2) above warning limit [ ] 322 Level (point 1) below warning limit...
  • Page 95 Commissioning 6.5 Local commissioning When "External TS-3" is selected as the measurement point in the first step of the wizard, the alarms available in this step are as follows: Setting [ ] 376 Auxiliary temperature above alarm limit [ ] 377 Auxiliary temperature above warning limit [ ] 378 Auxiliary temperature below warning limit [ ] 379 Auxiliary temperature below alarm limit Default...
  • Page 96 Commissioning 6.5 Local commissioning Lower warning limit Sets the lower warning limit. A diagnostic is generated if the process value falls below this limit. Setting -99999 … 99999 m Default 0.0 m Hysteresis Sets hysteresis for alarm and warning limits. Hysteresis is distance between limits for activation and deactivation of an alarm/warning.
  • Page 97 Commissioning 6.5 Local commissioning Step: Relays currently assigned Relays currently assigned Displays any relays that are currently configured for other applications, as a reference of relay availability for the alarms. This step does not appear if no relays are configured for other applications. CAUTION Relay conflicts Notification of relays assigned to other applications is given here, but assigned relays...
  • Page 98 Commissioning 6.5 Local commissioning Step: Alarms for relay 1 Note Step is repeated per selected relay This parameter must be set for each relay selected in "Step: Alarm relays". Only the parameter for relay 1 is shown here as an example. Alarms for relay 1 Enables selected alarms per relay.

  • Page 99: Service And Maintenance

    Service and maintenance Basic safety notes 7.1.1 Maintenance The device is maintenance-free. However, a periodic inspection according to pertinent directives and regulations must be carried out. An inspection can include: • Ambient conditions • Seal integrity of the process connections, cable entries, and cover •...

  • Page 100: Maintenance And Repair Work

    Maintenance and repair work WARNING Impermissible repair of the device • Repair must be carried out by Siemens authorized personnel only. CAUTION Hazardous voltage at open device Risk of electric shock when the enclosure is opened or enclosure parts are removed.

  • Page 101: Return Procedure

    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 102: 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. CAUTION Impaired protection The device is to be used only in the manner outlined in this instruction manual or protection provided by the equipment may be impaired.

  • Page 103: Performance

    Please contact your local Siemens representative for assistance. A high accuracy configuration consists of the device using XRS-5 transducer, TS-3 temperature sensor, and a lower calibration point of 3 m or less.

  • Page 104: User Interfaces

    Technical specifications 8.3 User Interfaces User Interfaces Configuration Local buttons Display (local) Advanced graphical liquid crystal display Connectors USB port used for • USB Service port SIMATIC PDM/SITRANS DTM, FW up- USB version: V2.0 – date, Data log extract USB socket: Mini-B –...

  • Page 105: Inputs

    Technical specifications 8.5 Inputs Inputs Supported sensors (see full list below) EchoMax series, ST series, LR series 10 to 52 kHz • Transducer frequency > 1 Hz • Polling rate mA (analog) (1) Wiring: 2 conductor, twisted, shielded, 0.324 ... 0.823 mm (22 ...

  • Page 106: Construction

    Technical specifications 8.6 Construction Construction Enclosure • Wall mount, standard • 240 mm (9.5 inch) x 175 mm (6.9 inch). Width dimension includes enclosure hinges. • Type 4X, IP65 • Polycarbonate • Wall mount, 4 entries • 240 mm (9.5 inch) x 175 mm (6.9 inch). Width dimension includes with M20 cable glands in- hinges.

  • Page 107: Operating Conditions

    PROFINET For a complete list of available communication cards, see latest catalog information at Product page (www.siemens.com/sitransLT500). Under severe EMI/EMC environments per IEC 61326-1, the accuracy on the HART Fieldbus mA output may decrease to a maximum of ± 250uA, and the HART communication may be interrupted.
  • Page 108 Technical specifications 8.8 Communication HART Version: 7.5 Physical layer HART Physical layer (2 wire half duplex, HART FSK) Connections See HART (Page 43) Termination Not applicable Application General purpose Device address 0 to 63 (Set via communication or HMI) Data rate 1.2 Kbps Data bits Always 8...
  • Page 109 Technical specifications 8.8 Communication PROFIBUS PA Version: Profile for Process Control Devices 4.01 Physical layer MBP (2 wire half duplex), IEC 61158-2 Connections See PROFIBUS PA/DP (Page 46) Termination To be provided externally Application General purpose Device address 0 to 126 (Set via communication or HMI) Data rate 31.25 Kbps Data bits...

  • Page 110: Certificates And Approvals

    , MCERTS tions Hazardous • Non-incendive locations • Class I, Div. 2, Groups A, B, C, D; Class II, Div. 2, Groups F, G; Class III See also Certificates (http://www.siemens.com/processinstrumentation/certificates). SITRANS LT500 with ultrasonic transducer inputs Compact Operating Instructions, 02/2024, A5E52021877-AA...

  • Page 111: Product Documentation And Support

    Entering a serial number 1. Open the PIA Life Cycle Portal (https://www.pia-portal.automation.siemens.com). 2. Select the desired language. 3. Enter the serial number of your device. The product documentation relevant for your device is displayed and can be downloaded.

  • Page 112: Technical Support

    In addition to our technical support, Siemens offers comprehensive online services at service & support (http://www.siemens.com/automation/serviceandsupport). Contact If you have further questions about the device, contact your local Siemens representative, by doing the following: 1. Visit Contact at Siemens (http://www.automation.siemens.com/partner).

  • Page 113: Index

    Index Alarms Hazardous area relays, technical data, 104 Qualified personnel, 14 Approvals HMI (Human Machine Interface), 49 specifications, 110 technical data, 106 Hotline, (Refer to Support request) Cables, 37 cable gland, 19, 21 Inputs connecting, 31 technical data, 105 technical specifications, 107 Installation Catalog requirements, 15...
  • Page 114 Index Warranty, 10 Weight, 107 Qualified personnel, 14 Wiring Quick start wizards compartment, 35 local commissioning, 49 insulation, 15 Relays contacts and connection, 38 local commissioning, 49 Return procedure, 101 Sensor reference point, 58, 64 Service, 112 Service and support Internet, 112 Single-point version outputs, 104...

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