除IEC 61326-1的要求外，IEC 61326的本部分还讨论了 具有现场总线接口的现场设备的EMC测试功能。IEC 61326的本部分包括: 只有设备的现场总线接口。 注:IEC 61326系列的其他部分仍涵盖设备的其他功能。 本部分仅适用于用于过程控制和过程测量的现场设备。 在本文件中，具有符合IEC 61784-1的接口的现场设备: 2019年，CP 3/2和 包括IEC 61784中定义的CP 1/1。其他现场总线接口可能包括在 本文件的未来版本。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。

In addition to the requirements of IEC 61326-1, this part of IEC 61326 treats the particular features for EMC testing of field devices with field bus interfaces. This part of IEC 61326 covers only the field bus interface of the equipment. NOTE The other functions of the equipment remain covered by other parts of IEC 61326 series. This part refers only to field devices intended for use in process control and process measuring. In this document, field devices with interfaces according to IEC 61784-1:2019, CP 3/2 and CP 1/1 as defined in IEC 61784 are covered. Other field bus interfaces may be included in future editions of this document.All current amendments available at time of purchase are included with the purchase of this document.