Hi Guy7on,

Yes, you could declare the variable like CHAR or STRING and, on the format representation, you could select this type of representation (by default is INT).

Yes, 

You're right.  But You could declare a Wstring with a lengh of 1.  I think that will work.

Hello Guy7on,

I guess you cannot show the value of a PLC-tag of type Char directly on the HMI as a letter. For display format you can only select Decimal, Hexadecimal or Binary. So either you change the type on the PLC to String[1] or you copy the Char-tag on the HMI to an internal String-tag and then show the internal tag in the I/O field.

To copy the PLC-Char-tag to an internal String-tag you can use a script that is called when the PLC-tag changes.

Regards,

Frink

Hi Guy7on,

NO, I try and I only found that you need to declare a STRING type.  Because, with WCHAR o WSTRING it doesn't represent correctly the value.

Dear GUY7ON,

I use TIA portal V14 and i can show a character in IO field.

please see the attached photo, thia may what you want.