GB/T 42691.8-2023: Road vehicles - Local Interconnect Network(LIN) - Part 8: Electrical physical layer(EPL) specification: LIN over DC powerline(DC-LIN)

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Scope

This document specifies an additional electrical physical layer (EPL) requirements for the Local
Interconnect Network (LIN), including electrical characteristics, the modulation method of
transmission, and how to apply the carrier signal to the DC power line. It specifies the
transmission over DC powerline without affecting the LIN higher layers (hereafter named DC-
LIN).
The DC-LIN EPL uses a high-frequency modulated carrier to propagate UART bytes (byte-
oriented) over the DC powerline.
The DC-LIN EPL supports bit rates of 9 615 bit/s, 10 417 bit/s, and 19 230 bit/s.
The DC-LIN EPL is applicable for a wide range of DC powerlines including 12-V and 24-V
operations, allowing communicating between different DC powerlines via a coupling capacitor.
A DC-LIN EPL interface to powerline example is described in Annex A.

Basic Data

Standard ID	GB/T 42691.8-2023 (GB/T42691.8-2023)
Description (Translated English)	Road vehicles - Local Interconnect Network(LIN) - Part 8: Electrical physical layer(EPL) specification: LIN over DC powerline(DC-LIN)
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	T36
Classification of International Standard	43.040.15
Word Count Estimation	56,574
Date of Issue	2023-05-23
Date of Implementation	2023-12-01
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration