Reading QR codeswith theSIMATICMV320optical handheldreader via theET200SP distributedI/O system and CM PtPwith Freeport protocolSIMATIC S7-300, ET 200SP CM PtP / V2.0https://support.industry.siemens.com/cs/ww/en/view/109474684SiemensIndustryOnlineSupport