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Siemens SITRANS LT500 Compact Operating Instructions
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Siemens SITRANS LT500 Compact Operating Instructions

Siemens SITRANS LT500 Compact Operating Instructions

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SITRANS LT500
SITRANS L
Controllers
SITRANS LT500
Compact Operating Instructions
7ML60.. (SITRANS LT500)
7ML60.. (SITRANS LT500 BT)
10/2024
A5E52021877-AB
Getting started
Introduction
Safety notes
Installing/mounting
Connecting
Commissioning
Service and maintenance
Technical specifications
Product documentation and
support
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Summary of Contents for Siemens SITRANS LT500

  • Page 1 SITRANS LT500 Getting started Introduction SITRANS L Safety notes Installing/mounting Controllers SITRANS LT500 Connecting Commissioning Compact Operating Instructions Service and maintenance Technical specifications Product documentation and support 7ML60.. (SITRANS LT500) 7ML60.. (SITRANS LT500 BT) 10/2024 A5E52021877-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 Remote panel mounting ....................23 4.2.6 Mounting the remote lid ....................23 4.2.7 Remote panel mount cutout ....................24 4.2.8 Remote mounted lid with extension cable ................24 Installing the communication card ..................25 Disassembly ........................26 SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 4 Table of contents Connecting ............................27 Basic safety notes ......................27 Connecting SITRANS LT500 ....................30 5.2.1 Terminal board ........................30 5.2.1.1 Ultrasonics version ......................30 5.2.1.2 mA/HART version ....................... 31 5.2.2 Cables ..........................31 5.2.3 Power ..........................32 5.2.4 Communication .........................
  • Page 5 Table of contents Product documentation and support ....................58 Product documentation ..................... 58 Technical support ......................59 Index ..............................60 SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 6 Local commissioning (Page 42) 5. Setup pumps (if applicable). 6. Configure basic control relays (if applicable). 7. Configure alarms (if applicable). 8. Configure totalizers and samplers (if applicable) referencing the respective parameters. Startup is complete. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 7 • Revision that combines LT500 mA/HART and LT500 ultrasonic into one Compact operating instructions, to replace two previous, individual versions (as below) 02/2024 A5E52021877-AA SITRANS LT500 with ultrasonic transducer inputs, Compact operating instructions • First edition 05/2022 A5E52003504-AA SITRANS LT500 with mA/HART sensor inputs, Compact operating instructions •...
  • Page 8 QR code to the mobile website with device- ⑪ Product name specific product information ⑥ Gray area (shown for documentation purposes only) denotes location on nameplate where Ap- provals, Conformity with country-specific direc- tives can be found. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 9 SIMATIC PDM Not applicable Modbus RTU HW: 1.00.00 SITRANS DTM Not applicable HART Device revision 0 PROFIBUS PA GSD: si0181de.gsd PROFIBUS PA PROFIBUS DP GSD: si0181df.gsd PROFIBUS DP PROFINET GSDML: lt500-0b10- PROFINET 20200701.xml SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-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 to...
  • Page 11 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 12 Warning symbols on the device Symbol Explanation Consult operating instructions Electrostatic sensitive device Equipment suitable for direct current Equipment suitable for alternating current Dispose of in an environmentally safe manner, and according to local regulations. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 13 2011/65/EU cal and electronic equipment The applicable directives can be found in the EU Declaration of Conformity of the specific device. See also Certificates (https://www.siemens.com/processinstrumentation/certificates) SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 14 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. 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.
  • Page 15 • 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 LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 16 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 17 • Make sure that the maximum permissible ambient temperature is not exceeded. Refer to the information in Technical specifications (Page 47). NOTICE Strong vibrations Damage to device. • In installations with strong vibrations, mount the device in a low vibration environment. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 18 Things to avoid • Exposure to direct sunlight. (Provide a sun shield to avoid direct sunlight.) • Proximity to high voltage/current runs, contactors, SCR or variable frequency motor speed controllers. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 19 2. Disconnect the display cable by pressing the locking tab and pulling straight out. 3. Remove the four screws holding the plastic cover and motherboard to the enclosure. 4. Remove the plastic cover by pulling it straight out. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 20 7. Reinstall the motherboard and plastic cover; secure them with the mounting screws. 8. Reconnect the display cable. 9. Reattach the lid onto the hinges. 10.Follow the applicable procedure to mount the device on wall or panel. Dimensions in mm (inch) SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 21 To avoid interference, ensure that the power cable is kept separated from the signal cables, and then wire the cables to the terminal blocks. – Tighten the glands to form a good seal. 5. Screw the lid in place noting recommended torque values. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 22 Installing the panel mount device requires making a cutout in the panel. A full size cutout template (including dimensions) is provided with the device or may be downloaded from Siemens Industry Online Support (SIOS) (https://support.industry.siemens.com). Condition • The following have been reviewed: Basic safety notes (Page 17), and General installation notes (Page 18).
  • Page 23 Align the back of the remote display lid with the panel hole cutout. Mark and drill four holes in the mounting surface for the four screws (provided). 2. Fasten with a screwdriver and wrench. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 24 3. Feed the free end of the extension cable through cable entry hole on blank lid. 4. Connect extension cable to display cable on remote lid. 5. Secure blank lid on device and mount display lid remotely. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 25 LT500. 4. Use the shorter plastic, threaded standoff supplied with the card to secure it to the mounting post. 5. To complete installation, see wiring instructions for optional cards in Communication (Page 33). SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 26 • If the device contains hazardous media, it must be emptied prior to disassembly. Make sure that no environmentally hazardous media are released. • Secure the remaining connections so that no damage can result if the process is started unintentionally. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 27 Loss of protection Loss of approvals can result from improper connection. • Check the nameplate on your device, to verify the approval rating. • Use appropriate cable entry seals to maintain applicable Type, IP ratings. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 28 • For the electrical connection specifications, refer to the information in Technical specifications (Page 47). • At the mounting location of the device observe the applicable directives and laws for installation of electrical power installations with rated voltages below 1000 V. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 29 • 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). • Tighten terminal screws in wiring compartment to 0.56 to 0.79 Nm (5 to 7 lb-inch). SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 30 Connecting 5.2 Connecting SITRANS LT500 Connecting SITRANS LT500 5.2.1 Terminal board Note Recommended torque on terminal clamping screws • 0.56 to 0.79 Nm (5 to 7 lb-inch) Do not overtighten. 5.2.1.1 Ultrasonics version SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 31 Connecting 5.2 Connecting SITRANS LT500 5.2.1.2 mA/HART version 5.2.2 Cables Connection Cable type Ultrasonic version: • Cable to be two copper conductors, twisted shielded wire Sync, TS-3, mA input, mA out- 0.324 ... 0.823 mm (22 ... 18 AWG), nominal capacitance be- put, internal DC power supply, tween adjacent conductors @ 1 kHz = 62.3 pF/m (19 pF/ft),...
  • Page 32 Connecting 5.2 Connecting SITRANS LT500 5.2.3 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 33 Connecting 5.2 Connecting SITRANS LT500 5.2.4 Communication 5.2.4.1 HART Ultrasonic version 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. For more information, consult the mA output parameters [Current output (HART) (2.4.1)] in the parameter assignment section of the complete operating instructions.
  • Page 34 Connecting 5.2 Connecting SITRANS LT500 5.2.4.2 Modbus RTU Ultrasonic version 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 SITRANS LT500...
  • Page 35 Connecting 5.2 Connecting SITRANS LT500 mA/HART version 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 SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 36 Connecting 5.2 Connecting SITRANS LT500 Note Termination resistors Termination resistors are typically 120R, however check the EIA-RS485 guidelines for more information. Note Cable type Use cable type Belden 9841 or equivalent. 5.2.4.3 PROFIBUS PA/DP Ultrasonic version mA/HART version ① Termination for Profibus DP (dip switches on Profibus DP card only, normally set in OFF position as shown here) •...
  • Page 37 • Install the cable according to its specification including length and bend radius restrictions. • Terminate the cable in an approved shielded industrial RJ45 connector. • To ensure signal integrity and regulatory compliance, use the RJ45 adaptor from Siemens to connect to the LT500 terminals. ①...
  • Page 38 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 47) or on the nameplate. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 39 • Make sure that the device is securely closed. WARNING Loss of explosion protection Risk of explosion in hazardous areas if the device is open or not properly closed. • Close the device as described in Installing/mounting (Page 17). SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 40 For details on how to use the interface, see Operating chapter in full Operating instructions. Note Output remains active While the device is being configured, the output remains active and continues to respond to changes in the process. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 41 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 42 A wizard provides an easy step-by-step procedure to guide you through a quick setup of various parameters. The following Quick start wizards are available: • Quick commissioning • Pump control • Basic control • Alarms SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 43 The last view in each wizard (Apply?) allows user to apply selected settings. 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 LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 44 The inscriptions could become unreadable. WARNING Electrostatic charge Risk of explosion in hazardous areas if electrostatic charges develop, for example, when cleaning plastic surfaces with a dry cloth. • Prevent electrostatic charging in hazardous areas. SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 45 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 46 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 LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 47 Technical specifications The following information is common to both SITRANS LT500 ultrasonic, and SITRANS LT500 mA/HART, unless stated otherwise. Note Device specifications Siemens makes every attempt to ensure the accuracy of these specifications but reserves the right to change them at any time.
  • Page 48 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 49 Active - 350 ohm maximum All relays are certified only for use with equipment that fails in a state at or under the rated maximums of the relays. Orderable with 1, 3, or 6 relays SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 50 Resolution - 0.025 % of full scale • Accuracy - 0.1 % of full scale HART sensor input Resolution and accuracy are dependent on connected sensor. Internal DC power supply +DC voltage 24 V SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 51 • Standard lid, enclosure base with no hinge and panel mount bezel • 278 mm (10.93 inch) x 198 mm (7.8 inch), width dimension in- cludes flange • Type 3, IP54 • Polycarbonate SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 52 Wall mount: suitable for outdoor (Type 4X, IP65 enclosure) tection • Panel mount: suitable for outdoor (Type 3, IP54 enclosure) • Remote panel mount: suitable for outdoor (only with Type 4X, IP65 en- closure) Installation category Pollution degree SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 53 Modbus TCP 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 communication on HART, EtherNet/IP, Modbus TCP, and PROFINET fieldbuses may be interrupted.
  • Page 54 To be provided externally Device address 0 to 126 (Set via communication or HMI) Data rate 31.25 Kbps Data bits Always 8 Parity Even parity, 1 stop bit Byte order Bus loading 10 mA SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 55 See PROFINET, EtherNet/IP, Modbus TCP (Page 36) Network settings IP address subnet mask default gateway set via communication Data rate 100 Mbps Parity IEEE 802.3 Frame check sequence (32-bit CRC) Byte order Default Little endian SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 56 IECEx CSA 24.0027X Ambient temperature range Ta = -20°C to +50°C General product approval CSA (Canada & United States) CSA 80181537 FM (United States) FM20NUS0001 UL (Canada & United States) Measuring Equipment E194458 UL-CA-2344292-0 UL-US-2350984-0 SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 57 Technical specifications 8.9 Certificates and approvals General product approval MCERTs Class 1 CSA MC240408 Class 2 See also Certificates (http://www.siemens.com/processinstrumentation/certificates). SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 58 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 59 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 60 Disposal, 46, 46 Document history, 7 Downloads, 58 Dual-point version Operating conditions, 52 inputs, 50 outputs, 49 Panel mount cutout, mounting on panel, 22 Enclosure. See also dimensions, mounting, 52 Power specification, 47 SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...
  • Page 61 52 weight, 52 Technical support, 59 partner, 59 personal contact, 59 Terminal board, 30 Test certificates, 13 Wall mount mounting on wall, 21 Warning symbols, 12 Warranty, 11 Weight, 52 Wiring insulation, 17 SITRANS LT500 Compact Operating Instructions, 10/2024, A5E52021877-AB...