Ethernet APL Field Sensor Platform for Remote Analytics Updates

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Solution Overview

Problem

Field devices in hazardous environments face challenges in upgrading or updating complex functionalities due to design constraints and physical limitations, with legacy communication protocols limiting data bandwidth and power, making it difficult to incorporate advanced diagnostic and analytic features.

Innovation Solution

Employing high-speed communication protocols like Ethernet APL to transmit raw sensor data to a virtual measurement and analytics platform in the cloud, enabling advanced diagnostics, analytics, and functionality updates without physical access to the field devices.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If legacy communication protocols (HART, FOUNDATION Fieldbus) are used in field devices, then intrinsic safety and explosion protection are maintained, but data bandwidth and power are limited, making it challenging to incorporate advanced functionality and update firmware

Engineering Contradiction:

Improveadvanced functionalityVSAvoidpower

Core Design Contradiction:

Adaptability or versatilityVSUse of energy by moving object

Solution Approach 1:

The system segments functionality between the field device and the control room. The field device performs basic sensing and communication, while advanced diagnostics, analytics, and firmware updates are handled remotely in the control room environment, allowing advanced features without increasing field device power consumption

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The patent introduces an intermediary communication architecture that uses high-speed protocols (Ethernet APL, IO-Link) with power management layers to enable advanced functionality while maintaining power constraints in hazardous areas through gateway devices that handle complex processing remotely

Inventive Principle:

Principle #24Intermediary (Mediator)

2Reliability

If complex diagnostic and analytics features are incorporated into field devices, then measurement confidence and process optimization improve, but device complexity and manufacturing costs increase

Engineering Contradiction:

Improvemeasurement confidenceVSAvoiddevice complexity

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent extracts complex diagnostic and analytics processing from the field device and relocates it to the control room environment. The field device sends raw or pre-processed data, while sophisticated analysis, sensor health monitoring, and predictive maintenance algorithms execute remotely, improving reliability without increasing field device complexity

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The system implements universal processing platforms in the control room that can handle multiple field devices and various diagnostic analytics functions through software, providing enhanced measurement confidence without requiring complex hardware in each field device

Inventive Principle:

Principle #6Universality (Multi-functionality)

3Reliability

If field devices are deployed in hazardous environments with intrinsic safety requirements, then safety is ensured, but physical access for configuration and updates becomes difficult

Engineering Contradiction:

ImprovesafetyVSAvoidconfiguration accessibility

Core Design Contradiction:

ReliabilityVSEase of operation

Solution Approach 1:

The patent implements self-service capabilities where field devices can be configured, updated, and diagnosed remotely through communication protocols. Firmware updates, parameter changes, and diagnostic routines are executed without requiring physical access to the hazardous environment, maintaining safety while improving operational ease

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The system incorporates feedback mechanisms where the field device provides status information and receives configuration commands through high-speed communication protocols, enabling remote monitoring and updates that eliminate the need for physical access while maintaining intrinsic safety

Inventive Principle:

Principle #23Feedback

4Loss of energy

If processing is performed at the field device to reduce data transmission, then communication bandwidth requirements decrease, but important features of raw data that could be useful for analytics are hidden

Engineering Contradiction:

Improvecommunication bandwidthVSAvoidraw data features

Core Design Contradiction:

Loss of energyVSLoss of information

Solution Approach 1:

The patent transitions from single-dimension processing (either all raw data transmission or all local processing) to multi-dimensional architecture where data can be processed at multiple levels: basic filtering at the field device, selective transmission of important features, and advanced analytics in the control room, preserving raw data features while managing bandwidth through hierarchical processing

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS20250355406A1High speed communication field device platform

Publication Date: 2025.11.20 ROSEMOUNT INC

AI summary

A process variable sensor system is provided. The process variable sensor system includes a process variable sensor configured to couple to a process, wherein the process variable sensor has an electrical characteristic that varies with the process variable. A controller is operably coupled to the process variable sensor and is configured to measure the electrical characteristic. A sensor communication module is coupled to the controller and configured to transport raw measurement data over Ethernet APL for processing. A process display, a process configuration device, and a virtual field device are also provided.