IEC 61158-5-21:2019现行
Industrial communication networks - Fieldbus specifications - Part 5-21: Application layer service definition - Type 21 elements
出版：International Electrotechnical Committee
专家解读视频
The Fieldbus Application Layer (FAL) provides user programs with a means to access the fieldbus communication environment.
UNE-EN IEC 61158-5-21:2019 - Identical
DS/EN IEC 61158-5-21:2019 - Identical
PN-EN IEC 61158-5-21: 2019-11 - Identical
DS/EN IEC 61158-5-21:2019 - Identical
I.S. EN IEC 61158-5-21:2019 - Identical
UNE-EN IEC 61158-5-21:2019 - Identical
NEN-EN-IEC 61158-5-21:2019 - Identical
BS EN IEC 61158-5-21:2019 - Identical
PN-EN IEC 61158-5-21: 2019-11 - Identical
CEI EN IEC 61158-5-21 : 2019 - Identical
EN IEC 61158-5-21:2019 - Identical
BS EN IEC 61158-5-21:2019 - Identical
CEI EN IEC 61158-5-21 : 2019 - Identical
I.S. EN IEC 61158-5-21:2019 - Identical
EN IEC 61158-5-21:2019 - Identical
NEN-EN-IEC 61158-5-21:2019 - Identical
