Field Device Inventory Verification for Serial Number Mismatches

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Solution Overview

Problem

Inconsistent and non-unique identification information for field devices in asset management systems leads to incorrect device tracking and potential incorrect actions, as devices with the same serial number can report different data, causing ambiguity and loss of system value.

Innovation Solution

A method involving a processing unit that connects to the communication network, reads device addresses, establishes communication with field devices, and performs a consistency check to ensure accurate identification and network parameters are recorded, issuing notifications and instructions to resolve discrepancies, such as matching serial numbers and network addresses.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If field device inventory verification is performed manually through site surveys and documentation review, then inventory accuracy can be improved, but time consumption and operational complexity increase significantly

Engineering Contradiction:
Improveinventory accuracyVSAvoidverification time
Core Design Contradiction:
Measurement precisionVSLoss of time

Solution Approach 1:

The patent replaces manual mechanical verification processes with automated electronic scanning systems. Portable scanning devices automatically capture device information from field equipment, eliminating the need for manual documentation review and site survey procedures, thereby significantly reducing verification time while maintaining accuracy

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces an intermediary asset management system that acts as a bridge between field devices and verification processes. This system automatically receives, processes, and validates device information from multiple sources, streamlining the verification workflow and reducing manual intervention requirements

Inventive Principle:
Principle #24Intermediary (Mediator)

2Quantity of substance

If comprehensive field device inventory verification is conducted through traditional methods, then inventory completeness can be improved, but resource requirements and process complexity increase

Engineering Contradiction:
Improveinventory completenessVSAvoidverification process complexity
Core Design Contradiction:
Quantity of substanceVSDevice complexity

Solution Approach 1:

The patent implements a universal verification system that can handle multiple types of field devices and information sources through a single integrated platform. The system accommodates various device categories, scanning methods, and data formats, eliminating the need for separate verification procedures for different device types

Inventive Principle:
Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent enables field devices to self-report their information through automated scanning and identification systems. Devices automatically provide their own inventory data, reducing the need for external verification intervention and simplifying the overall process while ensuring completeness

Inventive Principle:
Principle #25Self-service

3Loss of information

If frequent inventory updates are performed manually, then data currency can be improved, but operational burden and time loss increase

Engineering Contradiction:
Improvedata currencyVSAvoidupdate operation ease
Core Design Contradiction:
Loss of informationVSEase of operation

Solution Approach 1:

The patent establishes continuous automated information capture and update mechanisms that operate continuously or at scheduled intervals without requiring manual intervention. The system maintains constant synchronization with field device status, ensuring data currency while eliminating repetitive manual update operations

Inventive Principle:
Principle #20Continuity of useful action

Solution Approach 2:

The patent implements preliminary automated scanning and data collection capabilities that proactively capture device information before changes occur. The system anticipates inventory changes and updates records in advance, reducing the need for reactive manual updates and improving data currency with minimal operational effort

Inventive Principle:
Principle #10Preliminary action

Data Source

PatentEP4004664B1Method for verifying the field device inventory entered in an asset management system
Publication Date: 2024.07.03 ENDRESS HAUSER PROCESS SOLUTIONS AG
  • EP4004664B1 patent drawingFigure 1

AI summary

The invention relates to methods for verifying the field device inventory entered in an asset management system (AMS), comprising: i. connecting a processing unit (VE) to the first communication network (KN1); ii. reading out the address space of the first communication network (KN1) by means of the processing unit (VE) in order to generate a list of all field devices (FG1, FG2, FG3) contained in the address space; iii. establishing communication between the processing unit (VE) and a field device (FG1, FG2, FG3) contained in the list, via a communication path (KP) in the first communication network (KN1); iv. reading out identification information of the field device (FG1, FG2, FG3) by means of the processing unit (VE) using the established communication, the identification information including at least a serial number of the field device (FG1, FG2, FG3) and a characteristic parameter of the field device (FG1, FG2, FG3), in particular the communication path of the field device; v. carrying out a consistency check in the asset management system (AMS), a negative result of the consistency check being achieved if, in the asset management system (AMS), a field device (FG1, FG2, FG3) is already entered under the serial number that has been read out; vi. checking, in the case of a negative result of the consistency check, whether, in the asset management system (AMS), a characteristic parameter assigned to the field device (FG1, FG2, FG3) corresponds with the characteristic parameter that has been read out; and vii. outputting a notification of a need for action by means of the processing unit (VE) if, in the asset management system (AMS), a characteristic parameter assigned to the field device (FG1, FG2, FG3) deviates from the characteristic parameter that has been read out.