if we connected to PLC as Automatic - H, we have to write a switching PLC tag under 3.16 to decide a active PLC.

In 3.18 the textfield has gone.

what's difference "Automatic-H" from "Automatic" in 3.18?
Can we use "Automatic-H" without the textfield?

<t>I'm trying creating a Driver for WinCCOA v3.14.<br/> I'm working with Visual Studio 2013.<br/> (In my computer, VS2010, VS2013 and VS2015 are installed) <br/> <br/> And I try to run checkAPIenv.cmd using vcvarsall.bat.<br/> <br/> but below message is occurred.<br/> <br/> ** cannot determine 'cl' ...

<r>Hi.<br/> We plan to use RDB Oracle Archive/compress.<br/> <br/> First, I checked config file ,then executed win_install.bat.<br/> I set use_java = "yes"<br/> But there is some error ,see the attached file(korean lang).<br/> Other Windows Machine is same problem(RDB SetUp) also.<br/> <br/> -- Conn...