Siemens Simatic S7-1500 - Terminal and Block Diagrams

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Extended instructions
Basic instructions
Communication
Technology
S7-300
S7-400
S7-1200 S7-1500
Description LAD/FBD
STL
(not S7-1200)
SCL
OPC UA: CP 443-1 OPC UA
✔
Establish connection for a session with an OPC UA server
UA_Connect
✔
Fetching namespace index of a namespace URL
UA_NamespaceGetIndex
✔
Registering node IDs on the connected server and fetching
node handles in the form of a list
UA_NodeGetHandleList
✔
Reading out the data from nodes of the connected server
using the list of node handles
UA_ReadList
✔
Writing the data in nodes of the connected server using the
list of node handles
UA_WriteList
✔
On the server, enable the node handles of the list used
UA_NodeReleaseHandleList
✔
Terminate connection of a current session with an OPC UA
server
UA_Disconnect