Alarm systems - Part 7-3: Message formats and protocols for serial data interfaces in alarm transmission systems. Common data link layer protocol

Typical messages may be from 11 to a maximum of 79 characters in length and generally require repetition rates up to once per 20 ms

the applicable phase-to-phase or phase-to-earth voltages are used to determine the operating voltage

Regarding acceptance tests see EN 62058-11:20 and EN 62058-21:20

With the help of the verification process

into a borate glass disc using a casting or press-quenching procedure

A number of methods that will enable the safety integrity levels for the E/E/PE safety-related systems

Constructional and performance requirements

• Fault loop impedance or earthing resistance

Manufacturers of aerospace and aviation applications

Chirp spread spectrum (CSS) at 2

This Standard ensures design and construction methods which provide adequate protection for the operator and surrounding area against:

6 Classification procedure