Introduction
1
OPC Unified Architecture (OPC UA) is a standard communication protocol for the industrial
environment.
Software option
You require the following software option in order to use this function: SINUMERIK
Integrate for Engineering "Access MyMachine / OPC UA".
Characteristics
Important features include:
● Independent of any particular platform
●
Security
● Service call timeouts
● Heartbeat
● Buffering
Logs
Today, two protocols are available for transport via the network:
1. Binary protocol
URL: opc.tcp://ServerTCP-Port 4840
Optimized for
– Low overhead
– Low usage of resources
– Interoperability
2. Web service (SOAP)
URL: http://Server
Ports 80 (http) and 443 (https)
Optimized for
– Tool support (used from "Java" or under ".NET")
– Firewall compatibility
Information is provided in what is known as the "address space". This is comprised of "nodes"
and "references". Detailed information on this is provided on the OPC Foundation (
https://
opcfoundation.org/) page.
The binary protocol is supported in the SINUMERIK environment. Currently, OPC UA Data
Access is offered as service.
SINUMERIK Integrate for Engineering Access MyMachine / OPC UA
Commissioning Manual, 10/2015, 6FC5397-3DP40-5BA3 5
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