SAE J2728_201006
- Heavy Vehicle Event Data Recorder (HVEDR) Standard - Tier 1
- standard by SAE International, 06/07/2010
- Category: SAE
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This Recommended Practice (RP) document applies to Heavy Vehicle Event Data Recorders (HVEDR) for heavy-duty (HD) ground wheeled vehicles over 4545 kg (10 000 US pounds), commonly referred to as Class 3-8, which are intended to be compliant with current Federal Motor Vehicle Safety Standards (FMVSS) and/or Federal Motor Carrier Safety Regulations (FMCSR). In the context of the J2728 RP, the term heavy vehicle refers to motor vehicles equipped with one or both of the following vehicle communication networks: SAE J1708/J1587 or SAE J1939. This document is focused primarily on wheeled vehicles with standard on-board power supplies (e.g.,batteries). It is intended to address the needs of OEM original, OEM modified/additive, and aftermarket systems. It does not specifically exclude trailers and similar nonengine powered vehicles, even though the current lack of standardized methodologies and processes for inter-vehicular communication and power supply interconnections remain unresolved.
This document provides design and performance recommendations needed to develop a "Tier 1" (i.e., minimum capabilities) HVEDR. It is not intended to prevent, constrain, or limit additional capabilities which could be combined or contained in any current or future Tier 1 HVEDR as long as the minimum design and performance capabilities described herein are maintained. Subsequent documents are envisioned, which may significantly expand on recommended capabilities. These devices will be referred to as "Tier 2" and "Tier 3" devices.
This document provides design and performance recommendations needed to develop a "Tier 1" (i.e., minimum capabilities) HVEDR. It is not intended to prevent, constrain, or limit additional capabilities which could be combined or contained in any current or future Tier 1 HVEDR as long as the minimum design and performance capabilities described herein are maintained. Subsequent documents are envisioned, which may significantly expand on recommended capabilities. These devices will be referred to as "Tier 2" and "Tier 3" devices.
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