Knowledge Base

Eurotherm OPC Server converts analog values to string format. When you connect an OPC client you may encounter problems with interpreting floating point values, depending on the version of Windows OS.

In US versions of Windows, “.” is used as decimal point character but  in French version “,” is used

If you retain the default settings in a French version of Windows, a new error message (NS IEEE, added since version PcVue 7.20a) is displayed in the Variable Selector of  PcVue when an analog value is read.

Solution

There is a workaround for reading floating-point analog values correctly with the PcVue

OPC client installed on a French windows version. In your regional settings in the Windows Control Panel, change the decimal point character from “,” To “.”.