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OPC UA

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OPC UA (Unified Architecture) was specified by the OPC Foundation and combines the previous technologies OPC DA, AE and HD. It paves the way for industry 4.0 and Internet of Things (IoT). The use of Microsoft DCOM is dispensed with. Instead, a service-oriented protocol based on TCP/IP is used for secure communication, e.g. on the internet, thanks to encryption and user authentication, also across firewalls. For the first time, numerous Linux implementations and on-chip solutions are available in addition to implementations for Microsoft Windows®. That is why OPC UA is applicable from sensor to cloud.

ISO/OSI Model

7 Application Layer UA Application
6 Presentation Layer UA BinaryUA XML
5 Session Layer UA TCP, UA Secure ConversationSOAP/HTTP, WS-SecureConversation
4 Transport Layer TCP (RFC 793)
3 Network Layer IP (RFC 791)
2 Link Layer MAC (IEEE 802.3)
1 Physical Layer Ethernet (IEEE 802.3)

Implemented Protocol Stacks

OPC UA 1.02, Server

Applicable Products

ipConvOPCipConvOPCSoftwarepackage for conversion between OPC DA 3.0 Server and standard protocols
Details...
ipConvipConvUniversal protocol converter for highest degree of flexibility
Details...
product/ipConv/en/ipConv_en.pdf
ipConvLiteipConvLiteinexpensive protocol converter for standardized application
start price 1.800,- €
Details...
product/ipConvLite/en/ipConvLite_EN.pdf

References

Nordsee OneNordsee One
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GermanyipConv Modbus, Master / IEC 60870-5-104, Slave / IEC 60870-5-101, Slave / IEC 61850, Client / IEC 61850, Server / OPC UA 1.02, Server / SNMP, Client /
OWP Global Tech OneOWP Global Tech One
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GermanyipConv IEC 60870-5-104, Master / IEC 60870-5-104, Slave / IEC 60870-5-101, Slave / IEC 61850, Client / OPC UA 1.02, Server /
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