Parameter list

The following parameters from the Tc3_PLCopen_OpcUa library influence how the communication works.

Name

Type

Default value

Description

nMaxNodeIDsInList

UINT

10

Specifies the maximum number of nodes in a list, for example for the function blocks UA_NodeGetHandleList, UA_ReadList and UA_NodeReleaseHandleList.

sNetId

T_AmsNetID

127.0.0.1.1.1

Specifies the AMS Net ID of the device on which the TwinCAT OPC UA Client is running. Normally, PLC and client run on the same system.