Rosemount 2090P

Reference Manual

00809-0100-4690, Rev EA March 2007

Rosemount 2088 and 2090

Installing the Rosemount 2090P transmitter involves attaching a weld spud to the tapped process vessel, attaching the transmitter to the weld spud, and making electrical connections. If you intend to use an existing weld spud, proceed to the transmitter section of this installation procedure.

NOTE

The Rosemount 2090P Isolating Diaphragm can be mounted flush with the inside diameter of any vessel larger than three inches in diameter.

Installation of the weld spud should be performed by a skilled welder using a TIG welder. Improper installation may result in weld spud distortion.

Weld Spud

1.Using the appropriate size hole saw, cut a hole in the process vessel to accept the weld spud. The diameter for a weld spud with heat isolator groove is 2.37 inch (60 mm); when compatible with 1-in. PMC® process connection style spud, diameter is 1.32 in. (33,4 mm). The hole should produce a tight, uniform fit when coupled with the weld spud.

2.Bevel the edge of the vessel hole to accept filler material (see Figure 3-5).

3.Remove the weld spud from the transmitter and remove the Teflon® gasket from the weld spud.

Excessive heat will distort the weld spud. Weld in sections, as shown in Figure 3-5, cooling each section with a wet cloth. Allow adequate cooling between passes.

To reduce the chances of distorting the weld spud (for 1.5-in. connection), use a heat sink—Rosemount Part Number 02088-0196-0001.

4.Position the weld spud in the vessel hole, place heat sink and tack spud in place using the welding sequence shown in Figure 3-5. Cool each section with a wet cloth before proceeding to the next section.

5.Weld the spud in place using 0.030 to 0.045 in. (0,762 to 1,143 mm) stainless steel rod as filler in the bevelled area. Using between 100 and 125 amps., adjust the amperage for 0.080 in. (2,032 mm) penetration.

Transmitter

1.After the weld spud has cooled, remove the heat sink and install the Teflon gasket into the weld spud. Ensure that the gasket is properly positioned within the weld spud; improper placement could cause a process leak (see Figure 3-6).

2.Position the transmitter into the spud and begin to engage the threads. Rotate the transmitter prior to seating the threads completely to enable access to the housing compartments, the conduit entry, and the local indicator.

3-9

2088, 2090 specifications

Emerson Process Management, a global leader in process automation and control solutions, has developed a series of advanced controllers including the 2090 and 2088 models. These controllers are integral to modern industrial applications, enhancing operational efficiencies and ensuring precise control over processes.

The Emerson 2090 controller is renowned for its high performance and reliability. It supports both continuous and batch processes, making it versatile for various industrial environments. One of its main features is its modular architecture, which allows for easy scalability and customization according to specific operational needs. The controller is equipped with advanced communication capabilities, supporting multiple protocols such as Modbus, Ethernet/IP, and Profibus, ensuring seamless integration with existing systems.

The 2090 also boasts sophisticated data processing abilities. It employs predictive analytics, enabling users to forecast potential issues and optimize process performance before disturbances occur. With its intuitive user interface and graphical programming environment, operators can design control strategies easily, significantly reducing programming time and enhancing user experience.

On the other hand, the Emerson 2088 controller offers a powerful yet cost-effective solution for smaller-scale applications. Designed for simplicity and ease of use, it contains essential control features while maintaining flexibility. It supports a variety of input and output modules, allowing for extensive configuration options to meet specific requirements. The 2088 is particularly noted for its reliability in extreme conditions, making it an ideal choice for demanding environments.

Both the 2090 and 2088 controllers utilize Emerson’s latest technologies, including advanced algorithms for PID control, and they support redundancy options for critical applications. The emphasis on cybersecurity in both models further ensures safe operation, protecting sensitive data and control systems from potential threats.

These controllers exemplify Emerson's commitment to innovation, efficiency, and reliability in process management. Their robust design and advanced features cater to a wide range of industries, including oil and gas, chemical processing, and water treatment. As industry standards evolve, Emerson continues to lead the charge by integrating cutting-edge technologies into their controller solutions to meet the ever-changing demands of process automation.