Видеорегистратор FAW: The 3 Обнародованы критически важные компоненты для безопасности флота

Добро пожаловать на этот критический технический анализ Видеорегистратор FAW and logic assembly. For the FAW Jiefang CA4251P66K24T1A3E5 6×4 дизельный полуприцеп тягач, this system is a mandatory, safety-critical component. It functions as the vehicle’s “черный ящик,” more accurately described as a digital tachograph and Electronic Data Recorder (EDR). Его “логика” is to create a tamper-proof record of vehicle operation and driver activity.

The Видеорегистратор FAW система (also known as a Tachograph) is not a single part but a “логическая сборка” of three core components working in unison: the ‘Tachograph assy’ (the brain), a ‘GPS/BD antenna’ (for location), and a ‘GPRS antenna’ (for data transmission). This system is essential for fleet management, accident reconstruction, and legal compliance with driver Hours of Service (HOS) regulations.

This in-depth guide is a vital resource for fleet safety managers, техники, и специалисты по запчастям. Мы разберем всю Видеорегистратор FAW assembly into its three distinct Minimum Serviceable Units (МГУ). Мы проанализируем “мозг” (7914010-61B-C00) and the two critical antennas that allow it to function as a complete, connected telematics and safety solution.

МГУ 1: The “Black Box” Логика – ‘Tachograph assy’ (7914010-61B-C00)

Этот компонент является “дольше” and most complex part of the Видеорегистратор FAW система. The ‘Tachograph assy’ (7914010-61B-C00) is the central processor and data recorder. Это запечатанный “черный ящик” and the primary Minimum Serviceable Unit (МГУ). It is not designed to be repaired; if it fails, it must be replaced and re-programmed to the truck’s VIN.

The “логика” of this device is five-fold: data acquisition, driver management, data storage, real-time alerts, and data transmission (via the other MSUs).

1. Data Acquisition Logic (CAN Bus):

The Видеорегистратор FAW (Tachograph) is wired directly into the vehicle’s J1939 CAN bus network. It constantly “listens” to the digital conversation between the truck’s other ECUs. It is programmed to “тянуть” and record specific data packets, включая:

• Vehicle Speed: A continuous, second-by-second log of how fast the truck is moving.
• Engine RPM: Records engine speed, which can be used to analyze driver behavior (НАПРИМЕР., over-revving).
• Braking Events: Logs every time the brake pedal is pressed, and can record “hard braking” events.
• Engine Load & Топливо: Monitors fuel consumption and engine load, which is critical data for fleet efficiency analysis.

2. Driver Management Logic (HOS):

This is the tachograph’s primary legal function. The device includes a slot for a digital driver ID card. When the driver inserts their card, а Видеорегистратор FAW logs them in. The driver must then select their status:

• Вождение: Automatically set when the vehicle is in motion.
• On-Duty (Not Driving): НАПРИМЕР., loading, unloading, vehicle inspection.
• Off-Duty / Sleeper Berth: The driver is resting.

3. Data Storage & Логика безопасности:

All this data is stored in a robust, внутренний, tamper-proof solid-state memory. Этот “черный ящик” logic is crucial for accident reconstruction. In the event of a crash, this MSU can be recovered and the data (скорость, торможение, driver status in the seconds before impact) can be analyzed. This data is encrypted and protected from alteration.

4. Удобство обслуживания (МГУ):

As a sealed electronic module, the ‘Tachograph assy’ is the main MSU. A failure can manifest in several ways: failure to read driver cards, inability to communicate with the CAN bus, или “bricked” internal memory. A technician will run a diagnostic scan. If the unit is unresponsive and its power/ground connections are good, весь Видеорегистратор FAW unit is replaced.

МГУ 2: Логика локации – ‘GPS/BD antenna assy’ (7903070-61B-C00)

This is the second component of the Видеорегистратор FAW сборка. The ‘GPS/BD antenna assy’ is a dedicated antenna that provides the “where” и “when” for all the data the tachograph records.

The “Логика” of Geolocation: This antenna is a high-sensitivity receiver for Global Navigation Satellite Systems (GNSS). “GPS” refers to the American system, и “BD” refers to Beidou, the Chinese system. This MSU provides the ‘Tachograph assy’ with two critical pieces of data:

• Precise Location: It pinpoints the truck’s latitude and longitude.
• Atomic Clock Time: It provides a universal, time-stamped signal.

This data is what makes the Видеорегистратор FAW (Tachograph) logs verifiable. It’s not enough to know the driver drove for 8 часы. The system must prove *where* they drove and at *what time* they started and stopped. This MSU provides that proof.

Удобство обслуживания (МГУ): This antenna is a passive MSU. It has no moving parts. Failures are almost always physical: a damaged coaxial cable (pinched or cut), a corroded connector, or improper mounting (НАПРИМЕР., placing it under a metal object, blocking its view of the sky). Если Видеорегистратор FAW reports a “GPS signal loss” fault, this antenna or its cable is the MSU to inspect.

МГУ 3: The Telematics Logic – ‘GPRS antenna assy’ (7903060-61B-C00)

This is the third and final piece of the Видеорегистратор FAW система. The ‘GPRS antenna assy’ это “голос” ассамблеи. It is the cellular antenna.

The “Логика” of Transmission: GPRS (General Packet Radio Service) is a cellular data technology. This antenna allows the ‘Tachograph assy’ (which contains a cellular modem and SIM card) to connect to the internet over the mobile phone network.

Этот “логика” is what transforms the Видеорегистратор FAW from a simple *recorder* into a *telematics device*. This is what allows the fleet manager to track the truck in real-time. This antenna transmits all the data the tachograph is logging—location, скорость, HOS status, and fault codes—directly to the fleet’s server.

Удобство обслуживания (МГУ): Like the GPS antenna, this is a passive MSU. It is a simple antenna designed to send and receive cellular signals. Здесь провал (damaged cable, poor ground, bad location) will result in the Видеорегистратор FAW appearing “offline” to the fleet manager. The unit will still be recording data locally (а “store-and-forward” логика), but it will be unable to transmit it until this antenna’s connection is restored.

FAW Dashcam Logic Assembly Parts List

В следующей таблице представлена ​​полная, подробная разбивка всех 3 типы компонентов, указанные в Видеорегистратор FAW (Tachograph) в сборе для трактора FAW CA4251P66K24T1A3E5.

Технические характеристики и контекст сборки

Технические характеристики Видеорегистратор FAW assembly are defined by its function as a legal, connected, and tamper-proof digital tachograph system. It is a 3-part telematics solution.