IEC 62382:2024定义了回路检查的程序和规范，包括回路施工完成（包括安装和点对点检查）和冷调试开始之间的活动。本文件适用于新工厂的建设以及现有工厂电气和仪表（E&I）装置（包括PLC、DCS、面板安装和现场仪表）的扩建或改造（即改造）。它不包括配电系统的详细检查，除非它们与被检查的回路（即电机启动器或四线变送器的电源）相关。循环检查可以在工厂的整个生命周期中执行。本文件也适用于调试后进行回路检查的情况。由于可用的技术和设备范围广泛，本文档描述了要测试的内容，但没有描述如何执行测试。 本文件的目的是为所有各方（包括业主、安装商和供应商）提供一种方法，以明确确定并商定执行这些测试所涉及的活动范围和责任，从而实现自动化系统的及时交付和验收。本文件中描述的活动可以作为指南，并根据工艺、工厂或设备的具体要求进行调整。 与上一版相比，此版本包括以下重大技术变更: a)对前一版的内容进行总体重组，将信息性内容移至附件；b)将IEC 62382:2012附录A至附录E中基于I/O类型的表格替换为通用环路检查表格的示例； c)提供其他适用标准的附加参考。

IEC 62382:2024 defines procedures and specifications for loop check, which comprises the activities between the completion of the loop construction (including installation and point-to-point checks) and the beginning of cold commissioning. This document is applicable for the construction of new plants and for expansion or retrofits (i.e. revamping) of electrical and instrument (E&I) installations in existing plants (including PLC, DCS, panel-mounted and field instrumentation). It does not include a detailed checkout of power distribution systems, except as they relate to the loops being checked (i.e. a motor starter or a power supply to a four-wire transmitter). Loop checks can be performed throughout the lifecycle of the plant. This document is also applicable when loop checks are performed after commissioning. This document describes what is intended to be tested but not how the test is performed, due to the wide range of technologies and equipment available.
The intent of this document is to provide a means for all parties, including the owner, the installer and the vendor, to clearly establish and agree on the scope of activities and responsibilities involved in performing these tests in order to achieve a timely delivery and acceptance of the automation system. The activities described in this document can be taken as a guideline and adapted to the specific requirements of the process, plant or equipment.
This edition includes the following significant technical changes with respect to the previous edition:
a) general re-organization of the content of the previous edition, moving informative content to the annexes;
b) replacing the forms based on I/O type in IEC 62382:2012, Annex A to Annex E with an example of a generic loop check form;
c) providing additional references to other applicable standards.