本文件适用于提供低压开关之间定义接口的控制器设备接口 开关设备、控制设备、控制电路设备、开关元件和控制设备（例如。 可编程控制器、个人电脑等）。也可用于其他设备的接口 控制器设备接口的设备和元件。购买本文件时可获得的所有当前修订均包含在购买本文件中。

This document applies to controller-device interfaces that provide defined interfaces between low-voltage switchgear, controlgear, control circuit devices, switching elements and controlling devices (e.g. programmable controllers, personal computers, etc.). It may also be applied for the interfacing of other devices and elements to a controller-device interface.All current amendments available at time of purchase are included with the purchase of this document.