IEC 63257 ED1

Power line communication for DC shutdown equipment - Communication signal, physical layer

General information

Current stage: 60.00 Effective date: 13 mar 2026

Next stage: PPUB Next stage date: 24 pri 2026

Originator: IEC

Owner: TC 82

Type: International Standard

ICS: 27.160

Scope

IEC 63257:2023 applies to photovoltaic (PV) system components and communication networks supporting the communication of the DC shutdown equipment using power line communication.
This document defines how to propagate the operational state of the entire PV system (normal / shutdown) to the individual power production components comprising the PV system. The document also describes requirements and constraints associated with power line communication networks that are used to support this application.

Life cycle

NOW

IN_DEVELOPMENT
IEC 63257 ED1
60.00 Standard under publication
13 mar 2026