Although there are contributions to integrated industrial standards using generic interfaces such as RESTful, they have limitations that make them not suitable to easily include proprietary software configurations, common or agnostic interfaces to decentralise system components, and the lack of experimental analysis to validate the proposed solutions [23; 24]. The main purpose of this research is to develop a software component to provide a solution to interface different applications and devices deployed in a shop floor to share data in a common data space enabling the interoperability required to advance towards the digitalisation of industrial shops with clear benefits to daily working activities for many employees. Through a software component called FIWARE Interoperability Layer (FIL), integrated into an open platform, such as FIWARE, we facilitate a secure object model that offers an abstract description of every type of devices, independently of their description or communication protocol. In the context of a company's Digital Transformation (DT) process, this component will ease the transition by applying standardised frameworks and enabling the integration of new interoperability components based on the FIWARE platform. Thus, these software components are connected to each other, facilitating interoperability between different data models and frameworks. The objective behind our work is to design, implement, and validate an open-source, API-agnostic, cross-standards component to address semantic interoperability and enable seamless aggregated data exchange across heterogeneous shop floor ecosystems using the capabilities of the FIWARE platform. The proposed component aimed at unlocking industrial standard network capabilities, such as OPC UA, to address semantic interoperability on the usage of web standards, facilitating the integration of commonly usage development strategies such as web applications and cloud services into an industrial vendor-based environment. Our contributions with this article are oriented to present a comprehensive analysis of the current IoT platform FIWARE components and compare them with our proposed component, developing an extensive testbed to emulate large scale data updates originating from PLCs in a shop floor. The performance of the existing components is then analysed though a real configuration that includes multiple data configurations. The goal of the evaluation is twofold: (1) to validate the operations of the FIL component and (2) to investigate further the performance trade-offs, scalability, and requirements of solutions based on this component. To this end, this document is structured as follows: Section 2 provides an overview of the related work, delving into the background of OPC UA and FIWARE for a comprehensive understanding of the proposed model. Section 3 outlines the proposed model and its specific implementation within FIWARE. Section 4 details the experimental setup and analysis, demonstrating FIL's operational efficiency. Section 5 discusses the implications of our findings, suggesting future research directions. Finally, Section 6 concludes the document, summarizing key findings and their significance for IoT interoperability, particularly highlighting FIL's benefits within the FIWARE community and broader IoT implementations.