Siemens SIMATIC ET 200AL, System Manual

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OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
Communication
278
Function Manual, 05/2021, A5E03735815-AJ
Configuration limits for OPC UA server interfaces and methods
The table below sets out the configuration limits for S7-1500 CPUs; these must also be taken
into account when you compile and load a configuration (up-to-date technical specifications
of the CPUs can be found on the Internet
( https://support.industry.siemens.com/cs/ww/en/ps/td )).
A violation of configuration limits results in an error message.
Table 9- 4 Configuration limits for OPC UA server interfaces
Technical specification value CPU 1510SP (F)
CPU 1511 (C/F/T/TF)
CPU 1512C
CPU 1512SP (F)
CPU 1513 (F) CPU 1505 (S/SP/SP F/SP T/SP TF)
CPU 1515 (F/T/TF)
CPU 1515 SP PC (F/T/TF)
CPU 1516 (F/T/TF) CPU 1507S (F)
CPU 1517 (F/T/TF)
CPU 1518 (F)
Use of imported companion specifications (information models)
Maximum number of OPC UA server
interfaces:
•
"Companion specification" type
• "Reference namespace" type
• "Server interface" type
10
20
10
10
20
10
10
20
10
• Maximum number of OPC UA nodes
in user-defined server interfaces
1000 5000 30000
• Maximum size of loadable OPC UA
server interfaces
1024 KB 5120 KB 8192 KB
Provision of methods
Maximum number of usable server
methods or max. number of server
method instances (instructions
OPC_UA_ServerMethodPre,
OPC_UA_ServerMethodPost)
20 50 100