IEC 61784-3（所有部分）的本部分规定了安全通信层（服务和 协议）基于IEC 61784-2的CPF 13和IEC 61158类型13。它确定了原则 IEC 61784-3中定义的与该安全相关的功能安全通信 通信层。该安全通信层旨在安全实施 仅限设备。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 part of IEC 61784-3 (all parts) specifies a safety communication layer (services and protocol) based on CPF 13 of IEC 61784-2 and IEC 61158 Type 13. It identifies the principles for functional safety communications defined in IEC 61784-3 that are relevant for this safety communication layer. This safety communication layer is intended for implementation in safety devices only.All current amendments available at time of purchase are included with the purchase of this document.