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You need to put this all in a DUT object. Right click your application->add object->DUT then select a tructure and name it STRING64. So it would look like:
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Hi all,
I follow this help document https://help.codesys.com/webapp/rAlrUyiOs68zj7UlZdXT0yImTJI%2FSet_Attribute_Single;product=EtherNetIPServices;version=3.5.12.0 to test Ethernet/IP FB. But I can not build successful. Any one knows what wrong? Thanks.
( CIP Data type for string with a length of max. 64 chars )
TYPE STRING64 :
STRUCT
uiLength : UINT;
sString : STRING(63);
END_STRUCT
END_TYPE
PROGRAM PLC_PRG
VAR
setAttributeSingle : ENIP.Set_Attribute_Single ;
strHostnameToSet : STRING64 := (sString := 'NewName');
END_VAR
Daniel are you putting this all in the PLC_PRG POU? For the part:
You need to put this all in a DUT object. Right click your application->add object->DUT then select a tructure and name it STRING64. So it would look like: