BS EN 61158-5-21:2012现行
Industrial communication networks. Fieldbus specifications. Application layer service definition. Type 21 elements
出版：British Standards Institution
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基本信息
标准编号： BS EN 61158-5-21:2012
发布时间：2012/9/30 0:00:00
标准类别：Standard
出版单位：British Standards Institution
标准页数：78
标准简介
Describes the common elements for basic time-critical and non-time-critical messaging communications between application programs in an automation environment as well as material specific to the Type 21 protocol.
标准备注
© British Standards Institution 2013
替代本标准的新标准
等同采用的国际标准
IEC 61158-5-21 Ed. 1.0 - Identical
EN 61158-5-21 : 2012 - Identical
IEC 61158-5-21 : 1.0 - Identical
