BS EN 60297-3-109:2016规定了底盘和支架的尺寸和物理性能 相关印制板，以提供机械和环境完整性 嵌入式计算设备。它们被用于各种应用，如机器控制， 医疗、运输、航空航天和电信，通常基于单板 电脑。为了方便定义合适的机箱和相关的单板尺寸 该标准基于44.45毫米（1.75英寸）的结构网格。交叉引用:IEC 60297-3-100IEC 60529IEC 61587-1IEC 61587-3IEC 61587-5EN 60297-3-100EN 60529EN 61587-1EN 61587-3EN 61587-5购买本文件时提供的所有现行修订均包含在购买本文件中。

BS EN 60297-3-109:2016 specifies dimensions and physical properties of chassis and associated printed boards in order to provide mechanical and environmental integrity for embedded computing devices. They are used in various applications such as machine control, medical, transportation, aerospace and telecommunication, typically based on single board computers.For the easy definition of the suitable chassis and associated single board dimensions, this standard is based on a structural grid of 44,45 mm (1,75 in).Cross References:IEC 60297-3-100IEC 60529IEC 61587-1IEC 61587-3IEC 61587-5EN 60297-3-100EN 60529EN 61587-1EN 61587-3EN 61587-5All current amendments available at time of purchase are included with the purchase of this document.