Verfahren zur Wartung der Arbeit einer Sicherheitsfunktion für ein Industrielles System und Programmierbare Logische Vorrichtung

Details

Veröffentlichungs-Nr.

EP4749381

Anmeldetag

21. November 2024

Veröffentlichung

27. Mai 2026

Rechtsraum

EP

Abstract

A method for maintenance work of a first safety function (101) implemented in a first channel (100) in a first programmable logic device(10, 20), PLDev, for an industrial system, wherein a second safety function (102) is implemented in the first channel (100), and the first safety function (101) is applied for a first safety purpose of the industrial system and the second safety function (102) is applied for a second safety purpose of the industrial system, the method comprising: providing an auxiliary channel (100a) in a second PLDev, wherein the auxiliary channel (100a) is capable of including a copy of the first channel (100), and the first PLDev (10, 20) and the second PLDev are the same single PLDev or two separate PLDevs; copying the first channel to the auxiliary channel (100a), when the first safety function (101) and the second safety function (102) in the first channel (100) are in operation; connecting the first safety function (101a) copied in the auxiliary channel (100a) to the industrial system; conducting the maintenance work using the first safety function (101a) copied in the auxiliary channel (100a); disconnecting the first safety function (101a) copied in the auxiliary channel (100a) from the industrial system.

Anmelder

Firma

Schneider Electric Industries SAS

Land

🇫🇷 Frankreich