6.4 Engineering Units Recommendations

This specification makes use of 0:EngineeringUnits and 0:EUInformation for describing the units of measurement. For this 0:EUInformation applies the UN/CEFACT “Codes for Units of Measurement” and maps the codes to OPC UA: http://www.opcfoundation.org/UA/EngineeringUnits/UNECE/UNECE_to_OPCUA.csv. In the context of this specification only engineering units according to Table 12 should be used.