In addition to the requirements of IEC 61326-1, this part of IEC 61326 treats the particular
features for EMC testing of field devices with interfaces according to IEC 61784-1, CP 3/2.
This part of IEC 61326 covers only the field-bus interface of the equipment.
NOTE The other functions of the equipment are covered by other parts of the IEC 61326 series.
This part of IEC 61326 refers only to field devices intended for use in process control and
process measuring.
For interface operation and the interface parameters, this part of IEC 61326 is in accordance
with IEC 61784-1, CP 3/2. That standard specifies a set of protocol specific communication
profiles based on the IEC 61158 series.
The manufacturer specifies the environment for which the product is intended to be used
and/or selects the appropriate test level specifications of IEC 61326-1.