ISO 23570-2:2005规定了机床和类似大型工业自动化控制系统中元件的互连。本规范包括电缆类型、尺寸和护套颜色、连接器类型和触点分配，以及适用于传感器和执行器的诊断功能。 ISO 23570-2:2005规定了现场总线通信的布线以及该通信总线上模块的电源分配。

ISO 23570-2:2005 specifies the interconnection of elements in the control system of machine tools and similar large pieces of industrial automation. This specification includes cable types, sizes and sheath colours, connector types and contact assignments, and diagnostic functions appropriate to the sensors and actuators. ISO 23570-2:2005 specifies the cabling for fieldbus communications and the distribution of power to the modules on this communications bus.