Rosemount 3051N

Reference Manual

00809-0100-4808, Rev CA June 2008

Table 4-1. Rosemount 3051N Troubleshooting Chart.

Symptom

Corrective Actions

 

 

Milliamp Reading Is Zero

•

Check if power polarity is reversed.

 

• Verify voltage across terminals (should be 10 to 55 V dc).

 

• Check for bad diode in terminal block.

 

 

 

Transmitter Not Communicating with

•

Check power supply voltage at transmitter (minimum 10.5 V).

HART Communicator

• Verify calibration settings (4 and 20 mA points)

 

 

• Check load resistance (250 Ω minimum).

 

• Check if unit is addressed properly.

 

 

 

Milliamp Reading Is Low or High

•

Check pressure variable reading for saturation.

 

• Check if output in alarm condition.

 

• Verify 4 and 20 mA range points.

 

• Perform 4–20 mA output trim.

 

 

 

No Response to Changes in

•

Check test equipment.

Applied Pressure

• Check impulse piping for blockage.

 

 

• Check disabled span adjustment.

 

• Check if output in alarm condition.

 

 

 

Pressure Variable Reading Is

•

Check impulse piping for blockage.

Low or High

•

Check test equipment.

 

 

• Perform full sensor trim.

 

 

 

Pressure Variable Reading Is Erratic

•

Check impulse piping for blockage.

 

•

Check damping.

 

• Check for EMF interference.

The Rosemount 3051N is supplied by Rosemount Nuclear Instruments, Inc. as a non-field repairable device to ensure its qualification status is maintained. The Rosemount 3051N must be returned to Rosemount Nuclear Instruments, Inc. (RNII) for repairs and/or failure analysis. Instructions for returning product follow. Any piece parts, if available, must be supplied by RNII to maintain the Rosemount 3051N qualification status.

Returning Rosemount Products and Materials

Authorization for return is required from Rosemount Nuclear Instruments Inc. prior to shipment. Contact Rosemount Nuclear Instruments, Inc. at (952)

949-5210 for details on obtaining Returned Material Authorization (RMA). Rosemount Nuclear Instruments will not accept any returned material without Returned Material Authorization. Materials returned without authorization are subject to be returned to the customer.

Materials returned for repair should be shipped (prepaid) to:

Rosemount Nuclear Instruments, Inc.

8200 Market Blvd

Chanhassen, MN 55317

USA

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Emerson Process Management 3051N manual Returning Rosemount Products and Materials, Symptom Corrective Actions
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3051N specifications

The Emerson Process Management 3051N is a state-of-the-art pressure transmitter that exemplifies precision and reliability in process automation. Designed for a wide range of industrial applications, the 3051N is celebrated for its advanced features, innovative technologies, and robust construction, catering to the evolving needs of process industries.

One of the standout features of the 3051N is its exceptional accuracy. With a standard accuracy rating of ±0.075% of span, it ensures precise pressure measurements, critical for maintaining optimal process conditions. This high level of accuracy makes it suitable for applications in industries such as oil and gas, chemicals, and water treatment, where even minor deviations can lead to significant operational issues.

The 3051N employs Smart Pressure Technology, integrating digital communication capabilities with traditional analog systems. This technology allows for seamless interoperability with existing process control systems, providing users with vital data for diagnostics, calibration, and configuration via HART, FOUNDATION fieldbus, or Profibus protocols. These capabilities lead to enhanced process efficiency and reduced downtime due to effective predictive maintenance.

Another notable characteristic of this transmitter is its robust design. The 3051N is built to endure harsh industrial environments, with a rugged housing that is resistant to corrosive and hazardous conditions. Its wide operating temperature range, typically from -40°C to 85°C, coupled with various diaphragm materials, ensures that it can function effectively across diverse applications.

Moreover, the Emerson 3051N incorporates advanced predictive diagnostics, enabling users to monitor the health of the transmitter continuously. This feature alerts operators to potential issues before they escalate, facilitating proactive maintenance strategies that can significantly lower operational costs.

The flexible configuration options offered by the 3051N also enhance its usability. Users can select from a variety of pressure ranges, process connection types, and electrical connections, making it easy to customize the transmitter to fit specific application needs.

In conclusion, the Emerson Process Management 3051N pressure transmitter is a versatile and highly efficient device that integrates advanced technology with robust design and exceptional accuracy. Its ability to adapt to various industrial demands while providing predictive diagnostics makes it a preferred choice for professionals seeking reliability and precision in process management.
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