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UWT GmbH
NivoTec® NT 4500

NivoTec® NT 4500

Product catalog summary

Safety Notes / Technical Support
Installation, maintenance, and commissioning of the NT 4500 level monitoring system must be conducted by qualified personnel. The manual should be followed carefully, especially warnings indicating potential risks of death, injury, or material damage. For technical support, contact UWT GmbH or your local supplier.

Overview
The NT 4500 system offers level monitoring and visualization for up to 50 silos via a web server. It supports multiple languages, remote access, data export, and trend display. The system integrates with various sensors and full detectors, providing alarms and warnings.

Technical Data / Accessories
The NT 4500 and Modbus converter are housed in steel plates with IP65 protection, suitable for ambient temperatures between 0 to +55°C. They require a power supply of 115V or 230V AC and support multiple sensors and full detectors, with specific dimensions and mounting requirements.

Electrical Installation
Installation must comply with local regulations and VDE 0100 standards. Proper wiring is required, including the use of fuses and RCCB protection. Modbus network setup involves specific cable recommendations and termination resistors.

Commissioning
Commissioning involves checking wiring, configuring the web server, and setting up connected sensors. The web server's IP address must be configured, and basic settings for sensors should be performed to ensure accurate measurements.

Visualisation - Operation
Visualization is accessed via a web browser using the configured IP address. The system displays silo levels, sensor information, and error messages. User access levels (User, Purchase, Admin) determine available functionalities, such as viewing event lists, downloading data, and configuring system settings.

System Configuration
The system allows configuration of network settings, email notifications, and user settings. Users can change passwords and reset settings. The system supports up to 50 silos, with a maximum of 10 silos displayed per page.

Trend and Event Data
Trend data for silos is recorded and can be downloaded as a CSV file. The system stores 200 measurement points per silo, deleting the oldest as new data is added. Event data is also recorded for diagnostics and can be downloaded.

NivoBob® Operations
The NivoBob® sensors measure silo levels. Measurements can be started manually or automatically, with options for interval-based measurements and automatic starts after power outages.

Volume Calculation
The system calculates silo content based on sensor data. Users can set silo dimensions and units for volume-related measurements. The system supports both NivoBob® and 4-20 mA sensors.

Logistics Department
This section allows users to view and set silo content, article numbers, and density. It displays maximum and current content, as well as available space.

Catalog excerpts

Level monitoring system NT 4500 Technical information / Instruction manual Safety notes/ Technical support 2 -----------------------------------------------------------------------------------------------------Overview 3 Accessories 4 -----------------------------------------------------------------------------------------------------Electrical installation 5 Subject to technical change. We assume no liability for typing errors.

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Level monitoring system NT 4500 Technical information / Instruction manual Safety notes / Technical support Installation, maintenance and commissioning must be carried out only by qualified technical personnel. The product must be used only in the manner outlined in this instruction manual. 3 Special attention must be paid to warnings and notes as follows: WARNING Relates to a caution symbol on the product and means, that a failure to observe the necessary precautions can result in death, serious injury and/ or considerable material damage. Relates to a caution symbol on the product and means,...

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Level monitoring system NT 4500 Technical information / Instruction manual Level monitoring and visualisation via web server - Standardized system up to 50 silos - Visualisation and operation via standard internet browser software - Software language german, english or dutch - Password protected - Worldwide remote enquiry of the level - Data in percentage, height, volume or weight - Trend display, data storage, export via csv-file - Evaluation of the analogue 4-20 mA signals of any sensors, as well as Modbus RTU of the UWT-systems - Different input signals within the same system is possible -...

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Level monitoring system NT 4500 Technical information / Instruction manual Technical Data / Accessories Technical data Dimensions wall mounting steel plate Ingress protection Ambient temperature 115 V or 230 V 50/ 60 Hz (integrated power converter 24 V DC) supplied by Modbus converter Power supply Power consumption Signal output full detector 115 V or 230 V AC, connection is made on site Full detector: Connection either on NB 3000/ NB 4000 resp. Modbus converter. In this case the supply voltage must be equal to NB 3000/ NB 4000 resp. Modbus converter. Alternative it is possible to connect on...

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Level monitoring system NT 4500 Technical information / Instruction manual Electrical installation Safety Instructions Handling In case of improper handling or handling malpractice, the electric safety of the device cannot be guaranteed. Installation regulations The local regulations or VDE 0100 (Regulations of German Electrotechnical Engineers) must be observed. Use a fuse as stated in the connection diagrams. RCCB protection In case of a fault, the supply voltage must be automatically switched off by a RCCB protection switch to protect against indirect contact with dangerous voltages. Power...

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Level monitoring system NT 4500 Technical information / Instruction manual Electrical installation Cable recommendations for Modbus network Shielded cable Functionality up to 50 m Manufacturer: Lapp, Type UNITRONIC LiYCY 2x0.34, Art.no: 0034502 Twisted pair cable Functionality up to 1,000 m Manufacturer: Lapp, Type UNITRONIC BUS CAN 1x2x0.34, Art.no: 2170263 UV-protection hose with threaded hose coupling M20 x 1.5 UV protection for Modbus cable Manufacturer: Flexa, Type Rohrflex PA6, Art.no: 0233.202.012 and Type RQG1-M, Art.no: 5020.055.018 ATEX-protection hose with threaded hose coupling M20...

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Level monitoring system NT 4500 Technical information / Instruction manual Electrical installation Full detector Contact must be closed in case of full detection

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Level monitoring system NT 4500 Technical information / Instruction manual Electrical installation Setting: Biasing and Termination Resistor For use of NB 4000 units in a external Modbus network, it is possible to set Biasing and Termination Resistor on each unit as required. Version with Jumper Biasing Termination Resistor Version with DIP switch Termination Resistor 7 *factory provided DIP Switch position: Top view Side view Termination Resistor *factory provided DIP Switch position: Top view Side view

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Level monitoring system NT 4500 Technical information / Instruction manual Electrical installation Modbus converter Modbus converter Power supply Termination Resistor needs to be connected at the end of the Modbus strand. The stated wiring inside the Modbus converter is factory provided.

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Level monitoring system NT 4500 Technical information / Instruction manual 1. Generation of a synoptical table Commissioning is facilitated if an overview of the connected sensors is made in advance. The table shows an example of a project with 11 silos and mixed configuration of NivoBob® NB 3000 and NR 3000 radar as well as implementation of full detectors: Silo Modbus converter Channel* Modbus converter Terminal of sensor Modbus converter Terminal of full detector * see page 17f. under "Modbus RTU"/ "Full Detector" Make sure that the Modbus network is wired, set the Modbus Termination Resistor...

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Level monitoring system NT 4500 Technical information / Instruction manual Visualisation - Operation Start of the Visualisation By entering the IP address in the browser (according to the web server configuration) the visualisation starts. After sucessful start the overview page "Home" appears. Overview page (Home) Display of level, level limit sensors, information regarding silo and error messages All user names The selected number of silos (see page "System Config" -> Number of silos) is presented. If more than 10 silos are defined, a button appears for progression to the next page. Note: If...

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Level monitoring system NT 4500 Technical information / Instruction manual Visualisation - Operation The following selections appear depending on the setted user name: Login Logout Using the Login button, you can change tio other user names with additional privilegs: User (password: user) - Page "Silo Single View" - View of Event List - Page "System Config" - Download of trend data - Start NivoBob® - Reset of the full signal (buzzer) and of error messages - Logout Purchase (password: purchase) Similar to User, additional: - On page "Silo Single View": page "Logistics Department" Admin (password:...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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