IEC 61158-6-21:2019 is one of a series produced to facilitate the interconnection of automation system components. It is related to other standards in the set as defined by the three-layer fieldbus reference model described in IEC 61158-1.
This International Standard contains material specific to the Type 21 communication protocol.
ABANDON
IEC 61158-6-21/FRAGF ED2
30.97
End of interruption of work - split/merged
Dec 9, 2020