Viewpoint: Tran: 2009 ch: 0 error: – 1073446906

When the c# OPC client accesses the OPC server, there are errors in OPC writing
these errors are the errors I have experienced. Record them

environment

PLC: S7-200 PC access smart
DLL: register and reference opcdaauto.dll
Language: c#
implementation function: read and write PLC through OPC

System error

Tran:2009 CH:0 Error:-1073446906

resolvent

PLC forgot to power on, just power on 😂

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