EMERSON FISHER DLC3100 DLC3020F Intelligent Displacement Level Transmitter for Density Measurement with Torque Tube for gas tank

The FIELDVUE DLC3020f digital level controller is a fieldbus communicating instrument used to measure liquid level or the level of interface between two liquids using displacement sensor technology. In addition to the normal function of reporting process level PV, the DLC3020f, using FOUNDATION fieldbus protocol, gives easy access to information critical to process operation and will readily integrate into a new or existing control system. AMS Suite: Intelligent Device Manager or the 475 Field Communicator can be used to configure, calibrate, or test the digital level controller. The DLC3020f is also designed to directly replace pneumatic, analog, or HART transmitters/controllers. It can be mounted on a wide variety of 249 cageless and caged level sensors as well as on other displacer type level sensors through the use of mounting adaptors.

• Ease of Use: The DLC3020f, a fieldbus level or interface transmitter, features the latest in user interface technology. In addition to reporting the PV, the DLC3020f can act as a PID controller or level switch.
• Guided Setup and Calibration: Leads you through instrument setup, process fluid selection, and calibration in an easy‐to‐use format.
• Dynamic Temperature Compensation: Integration of process fluid temperature, when needed, enables density compensation to maintain PV accuracy.
• Simple Process Fluid Configuration: The capability to easily select/define process fluids allows for fluid changes without requiring re-calibration.
• Calibration/Setup Logs Saved in Instrument: Logs, including calibration, instrument setup, and process fluid data, can be saved for future reference or re‐use in batch or continuous applications. The instrument stores up to 30 logs.
• Performance/Reliability: State‐of‐the‐art Emerson advanced electronics provide increased performance and reliability.
  

  The Emerson FIELDVUE DLC3000 Series is a family of advanced, microprocessor-based digital level controllers designed for precise measurement of liquid level, interface level between two liquids, or liquid density . Engineered to replace traditional pneumatic and electronic transmitters, the DLC3000 series provides a reliable and intelligent solution for a wide range of process applications .

  Operating Principle
  The DLC3000 series is typically mounted on a Fisher 249 Series caged or cageless displacer sensor . It senses process variables through a torque tube shaft: changes in liquid level, interface, or density alter the buoyancy of a submerged displacer, causing the torque tube to rotate . The controller utilizes a Hall-effect sensor to convert this precise rotary motion into an electronic signal, which is then processed to provide a standard 4-20 mA output .

  Key Features and Benefits

  • HART Communication: The controllers use the HART communications protocol, allowing for easy access to critical process, instrument, and diagnostic information via a Field Communicator (such as the Model 375) or integration with systems like the AMS Suite: Intelligent Device Manager and the DeltaV system .

  • Simplified Setup: An electronic "Setup Wizard" streamlines configuration and calibration, making startup straightforward and fast. Users can easily configure level and temperature alarms, specific gravity tables, and calibration trims .

  • High Performance and Sensitivity: Accurate, high-gain analog-to-digital conversion enables the instrument to respond to very small process changes, making it suitable for challenging level, interface, or density applications .

  • Process Temperature Compensation: The DLC3000 can accept an input from a 2- or 3-wire 100 ohm platinum RTD. This allows the controller to automatically compensate for specific gravity changes caused by process temperature variations, ensuring measurement accuracy .

  • Versatile Output: It provides a 4-20 mA DC analog output (with direct or reverse action) and supports high/low alarm saturation levels as per NAMUR NE 43 recommendations . The controller also features an LCD display capable of showing analog output, process variables (level, interface, density), process temperature, and torque tube rotation angle .

  Available Configurations

  • Type DLC3010: A digital level controller designed to mount on Fisher 249 Series caged and cageless sensors for transmitter functionality

The AMS Trex Device Communicator expands the long line of Emerson handheld devices while adding new capabilities that adapt it to consumer expectations for mobile device functionality. Technicians armed with a Trex communicator won’t waste time bringing devices back to the shop for analysis or reconfiguration. AMS Trex is delivered with a complete, pre-installed DD library for over2,000 HART and FOUNDATION Fieldbus devices so users can easily diagnose device problems in the field. Simple issues can bead dressed on the spot, avoiding unnecessary, and potentially destructive, invasive physical investigation of the problem.Technicians need powerful and portable diagnostic tools so they can identify and troubleshoot device issues to minimize processupsets. With a Trex communicator in hand, you can properly diagnose device issues in the field. With the right handheld,maintenance teams will experience significant savings in work hours and peace of mind knowing that problems will be fixed quickly and properly the first time. Once changes are made in the field, AMS Trex will automatically synchronize the information with the AMS Device Manager database via Wi-Fi or USB connection.

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