Rosemount 3051S

Reference Manual

00809-0200-4801, Rev BA April 2007

Advanced Features

MULTIPLE ANALOG INPUT (MAI) FUNCTION BLOCK

 

 

 

 

OUT_1

 

 

 

 

 

 

 

 

OUT_2

 

 

 

 

 

MAI

 

 

OUT_3

 

 

 

 

 

 

OUT_4

 

 

 

 

 

 

 

OUT_5

 

 

 

 

 

 

 

 

OUT_6

 

 

 

 

 

 

 

 

OUT_7

 

 

 

 

 

 

 

 

OUT_8

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Out1 = The block output value and status for the first channel.

The AI Function Block provides added capability through the addition of the following parameters:

ALARM_TYPE

ALARM_TYPE allows one or more of the process alarm conditions detected by the AI function block to be used in setting its OUT_D parameter.

OUT_D

OUT_D is the discrete output of the AI function block based on the detection of process alarm condition(s). This parameter may be linked to other function blocks that require a discrete input based on the detected alarm condition.

The Multiple Analog Input (MAI) function block has the ability to process up to eight field device measurements and make them available to other function blocks. The output values from the MAI block are in engineering units and contain a status indicating the quality of the measurement. The measuring device may have several measurements or derived values available in different channels. Use the channel numbers to define the variables that the MAI block processes.

The MAI block supports signal scaling, signal filtering, signal status calculation, mode control, and simulation. In Automatic mode, the block’s output parameters (OUT_1 to OUT_8) reflects the process variable (PV) values and status. In Manual mode, values may be set manually. The Manual mode is reflected on the output status. The MAI block parameters and their units of measure, descriptions, and index numbers are listed.

Figure 3-4. Multiple Analog Input

Function Block Timing Diagram

OUT (mode in man)

OUT (mode in auto)

PV

63% of Change

FIELD_VAL

Time (seconds)

PV_FTIME

Block Errors

Table 3-6 lists conditions reported in the BLOCK_ERR parameter. Conditions in bold are inactive for the MAI block and are given for reference.

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Emerson 3051S manual Advanced Features, Multiple Analog Input MAI Function Block, Alarmtype, Outd
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3051S specifications

The Emerson 3051S is a state-of-the-art pressure transmitter that excels in various industrial applications. Its design is rooted in cutting-edge technology, ensuring accurate and reliable pressure measurements. With a focus on performance and durability, the 3051S stands as a trusted choice for engineers and process professionals worldwide.

One of the standout features of the Emerson 3051S is its advanced sensor technology. The device utilizes a high-performance sensor that offers exceptional accuracy, with a measured performance of up to ±0.075% of the span. This precision is essential for processes where minute changes in pressure can significantly impact operations. Coupled with the sensor's stability and repeatability, the 3051S provides consistent readings even in fluctuating conditions.

The device also incorporates Emerson's proprietary Smart Pressure technology, which enables predictive diagnostics. This feature allows users to anticipate potential issues before they escalate, reducing downtime and maintenance costs. The 3051S is equipped with advanced communication capabilities, supporting protocols such as HART, FOUNDATION Fieldbus, and Profibus PA. This versatility ensures seamless integration into existing plant automation systems, facilitating real-time data monitoring and management.

In terms of construction, the Emerson 3051S is built to withstand harsh industrial environments. It features a robust stainless-steel housing that protects the internal components from corrosive substances, high temperatures, and extreme pressures. The device is also available with various membrane materials, making it suitable for a wide range of media, including corrosive and viscous fluids.

Moreover, the 3051S is designed with user-friendliness in mind. It includes an intuitive interface and is fully configurable, allowing for easy calibration and setup. The ability to use Emerson's AMS Device Manager software further enhances the user experience, enabling detailed analysis, configuration, and diagnostics from a centralized platform.

Overall, the Emerson 3051S combines superior technology with practical design, making it an ideal solution for industries such as oil and gas, chemical processing, and water treatment. Its precise measurements, advanced diagnostics, and durable construction position it as a benchmark in the field of pressure transmitters, delivering reliability and efficiency for critical applications.
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