GB/Z 45864.2-2025 Active National standards

GB/Z 45864.2-2025 Earth-moving machinery—Collision warning and avoidance—Part 2:On-board J1939 communication interface

Publish Date: 2025-12-03 Implement Date: 1970-01-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/Z 45864.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Construction engineering construction machinery

ICS Name: Earthmoving machinery

Publish Date: 2025-12-03

Implement Date: 1970-01-01

Pages: 84 pages

Scope

This document describes the on-board communication interface between connected devices and mobile machines used in earthwork, mining, and road construction applications, in order to implement the intervention-based collision avoidance measures defined in ISO 21815-1. Based on the SAE J1939 protocol, this interface uses a collision avoidance system (CAS) that is independently integrated into the original machine to provide intervention signals to slow down, stop, or prevent machine movement. The protocol defined in this document can also be used to provide input information for the collision warning system (CWS).
This document is not applicable to the plug-and-play implementation of CAS or CWS on machines. CAS or CWS manufacturers and machine manufacturers can negotiate other details not fully described in this document to achieve the desired functionality.
This document does not exclude the possibility of machine manufacturers or CAS manufacturers developing alternative on-board communication interfaces.