BS ISO 20401:2017规定了气动方向控制阀在使用时的管脚分配 以及符合IEC 60947-5-2的直径为8 mm和12 mm的圆形电连接器。这 定义适用于IEC 60947-5-2:2004图D.2和D.4中所示的连接器 在第4条中。交叉引用:ISO 1219-1:2012ISO 11727:1999（R10）IEC 60947-5-2:2007 Ed 3ISO 5598:2008 Ed 2ISO 5599-1:2001ISO 15407-1:2000购买本文件时提供的所有当前修订版均包含在购买本文件中。

BS ISO 20401:2017 specifies the pin assignment for pneumatic directional control valves when used together with 8 mm and 12 mm diameter electrical round connectors according to IEC 60947-5-2. This definition is valid for connectors as shown in IEC 60947-5-2:2004, Figures D.2 and D.4, which are shown in Clause 4.Cross References:ISO 1219-1:2012ISO 11727:1999 (R10)IEC 60947-5-2:2007 Ed 3ISO 5598:2008 Ed 2ISO 5599-1:2001ISO 15407-1:2000All current amendments available at time of purchase are included with the purchase of this document.