1 OPC Unified Architecture The Interoperability Standard Multiplatform Multivendor Secure Reliable 2 OPC: OPeness – PrODUCtivity – COLLABORATION 3 Welcome to the OPC Foundation, The OPC Foundation a global organization in which users, The OPC Foundation is dedicated to ensuring in- vendors and consortia collaborate teroperability in automation. By creating and main- taining open specifications that standardize the com- to develop standards for multivendor, munication. This communication includes acquired process data, alarm and event records, historical multiplatform, secure and reliable data and batch data. The information is transferred vertical and horizontal from multivendor enterprise interoperability in industrial automa- systems and between production devices. Produc- tion devices include sensors, instruments, PLCs, tion and other markets. RTUs, DCSs, HMIs, historians, trending subsystems, Thomas J. Burke alarm subsystems, and more. These systems are President and Executive Director OPC Foundation used in the process industry, manufacturing, and in acquiring and transporting energy, oil, gas and min- Contents OPC is the interoperability standard for secure, reli- Today there are over 20,000 OPC products from erals. able multivendor, multiplatform data exchange for more than 3,500 vendors with millions OPC based Industrial Automation. It provides open connectivity applications installed worldwide. This reinforces OPC across multiple products, regardless of hardware technology as the leading standard for interoperable platform or software operating system. data exchange between software applications from 2 OPC: OPeness – PrODUCtivity – multiple vendors. Openess Productivity Collaboration COLLABORATION The OPC standard is a series of specifications that are developed by industry vendors, end-users and The OPC Foundation’s vision is to manage a global – > 450 members – Industry standard – PLCopen 4 QUOTES software developers to facilitate data transmission organization in which users, vendors and consortia – Platform-neutral – Manufacturer-independent – BACnet Interest Group and exchange. OPC specifications define an inter- collaborate to create data transfer standards for mul- – All areas of application – Interoperability – FDI Cooperation 6 OPC UA AT A GLANCE face between clients and servers, as well as servers tivendor, multiplatform, secure and reliable interoper- – All connections – Reliability – EDDL and FDT and servers, for different fields of applications, in- ability in industrial automation. – MESA, MES-D.A.CH. 8 OPC FOUNDATION ORGANIZATION cluding access to real-time data, monitoring of – OMAC alarms and events, access to historical data and To support this vision, the OPC Foundation : – Mimosa, ISA-95, ISA-88 10 OPC UA TECHNOLOGY IN DETAIL other applications. ➞ Creates and maintains specifications. – MTConnect ➞ Ensures compliance with OPC specifications – Smard Grid 16 COMPLIANCE AND CERTIFICATION Since 1995 OPC has been gaining widespread via certification testing. – ODVA adoption across multiple industries. OPC Classic ➞ Collaborates with industry leading standard – MDIS 18 CASE STUDIES was first released in August, 1996 with support for organizations. Microsoft Windows. With the introduction of service- 26 OPC UA IS IEC62541 oriented architectures in industrial automation sys- This brochure will help you better understand OPC The OPC Vision tems, the OPC Foundation released the first OPC UA UA technology and what the OPC Foundation can 27 F URTHER INFORMATION specification in 2009 which provides a migration provide to your organization. For more information, path from OPC Classic to more secure and scalable please visit the OPC Foundation website at The Vision of the OPC Foundation is to provide the solutions that take advantage of Web services and a www.opcfoundation.org. best technology, specifications, certification and pro- unified data model. cesses to enable companies to build products and services that demonstrate multiplatform multivendor Sincerely, secure reliable interoperability. OPC Foundation members benefit by being able to take advantage of Thomas J. Burke the technology and marketing necessary to become President and Executive Director leaders in the industry supporting industrial stan- OPC Foundation dards for industrial automation and other markets. [email protected] 4 QUOTES 5 »As a founding member of the OPC Foundation, »OPC UA is now available on the market and is prov- »OPC UA is the future oriented communication stan- »OPC UA allows a platform independent, easy and Siemens strives to create added value for its cus- ing to solve the key issues it was intended to. Honey- dard for the industry. The emergence of the 4th in- secure connection between SAP business systems tomers through driving automation as well as the fur- well is investing in OPC UA and expects to provide dustrial revolution will boost the need for OPC UA.« with distributed shop floor data even on smallest em- ther development and interoperability of technolo- leadership to ensure there is market acceptance and Dr. Reinhold Achatz, Head of Corporate Center Technology, Information & bedded devices.« gies between different system manufacturers. adoption. This is an exciting evolution for the OPC Quality, ThyssenKrupp AG, Former OPC board member and Vice President from 1996 till 2012. In many of our innovations – such as the network Foundation as it effectively solves many existing Veronika Schmid-Lutz, Product Owner Manufacturing, SAP AG management solution Sinema Server, the Human problems and expands the applicability of OPC far Machine Interface Simatic HMI, or the flexible, modu- beyond its current accepted scope historically.« lar motor management system Simocode pro – OPC standards have been applied. OPC UA is an imple- David Eisner, Honeywell, OPC board member mentation we attach especially great relevance to. Thus, we have always been strongly involved in this field, and were among the first companies to have their products certified. « Thomas Hahn, Siemens AG, OPC board member »OPC UA unlocks the potential for ERP to Factory »Just as the OPC Foundation once transformed data Floor communications“.« access and interoperability for industrial applications on the PC platform, it stands on the threshold of an- Commitment from Industry Leaders Dr. Jürgen K. Weinhofer, Vice President Control Architecture & Technology, Rockwell Automation, OPC board member other wave of transformation represented by the po- tential of the Internet of Things. Connected devices »ICONICS is well positioned to take advantage of the together with cloud services, unlimited storage, and new OPC UA interoperability standard with its new- open standards for security and communications are est SCADA, HMI and Analytics products which are enabling Intelligent Systems, paving the way for a designed to be “OPC UA to Core“.« new wave of insights, applications and business Russ L. Agrusa, CEO ICONICS, OPC board member models across the manufacturing landscape. The OPC UA standards play a key role in enabling this transformation and Microsoft is committed to work- ing with the OPC Foundation to best help meet it’s needs.« Rohit Bhargava, CTO WW Manufacturing & Resources Sector, Microsoft Corporation »OPC DA is the most popular and successful stan- »Beckhoff joined OPC Foundation in 1998 and early dard interface on the automation systems. Yokoga- provided OPC UA functionality integrated into small- wa joins OPC Foundation from the beginning and est embedded controller in 2008. Actively pushing has much contributed to the development of OPC the collaboration with PLCopen our customers al- interface. Now Yokogawa is fully committed itself to ready benefit from easy, secured connection from new promising OPC UA and will contribute to the »Emerson, as a founding member of the OPC Foun- our open PC based control philosophy up into MES development as ever.« dation, has and will remain committed to the vision of and cloud scenarios.« the OPC Foundation to develop standards for open Nobuaki Konishi, Yokogawa, President OPC Council Japan, Hans Beckhoff, Managing Director, Beckhoff Automation GmbH OPC board member connectivity in industrial automation systems and adjacent domains.« Dr. Grant Wilson, Emerson, OPC board member 6 OPC UA AT A GLANCE 7 OPC UA at a Glance – Secure, reliable and platform-independent data communication OPC UA Object Method Variables Methods Service Set Attribute _ _ _ _ _ _____( ) (Programs) Service Set _ _ _ _ _ _____( ) (Data Access, PROTECTION AGAINST _ _ _ _ _ _____( ) PLATFORM INDEPENDENT DATA Historical COMMUNICATON UNAUTHORIZED ACCESS Data Access) OPC Unified Architecture is the new technology gen- OPC UA technology uses a mature security concept, Events eration of the OPC Foundation for the secure, reli- ensuring protection against unauthorized access or N able and vendor-neutral transport of raw data and sabotage of process data and as well against errors N Subscription pre-processed information from the sensor and field due to careless operation. The OPC UA security N Service Set level up to the manufacturing level and into the pro- concept encompasses options for user authentica- (Alarms & duction planning or ERP system. With OPC UA, all tion, the signing of messages and the encryption of Conditions) Standardized desired information is available to every authorized the transmitted user data. UA security is based on communication application and every authorized person at any time proven standards which are used