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S5-200 CANBUS Output SAE-5 Hole Flange Mount High-speed Data Transfer Fuel Level Sensor, J1939 Compliant

With CANBUS integration, installers gain a single harness, fleet managers gain live tank analytics, and operators gain confidence that every litre is accounted for—no extra wires, no extra worries.
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Product Definition and Core Function

The S5-200 CANBUS Output SAE-5 Hole Flange Mount Fuel Level Sensor represents a highly specialized category of level measurement devices engineered for modern digital communication networks. At its core, a CAN Bus signal level sensor is designed to accurately measure the volume or level of liquids within a tank and convert this physical information into standardized digital data. Utilizing the robust Controller Area Network (CAN) protocol for data transmission, this sensor serves as a critical node within complex electronic architectures. Unlike traditional analog sensors that output varying voltage or resistance, this CANBUS-enabled device processes the liquid level data internally and broadcasts it across the network bus. This digital approach ensures that the liquid level information is delivered with precision, making it an essential component for systems that require continuous, real-time fluid monitoring.

Operating Principle and Data Transmission

The operational principle of this sensor revolves around high-speed data transfer and standardized communication. Compliant with the J1939 standard, which is widely adopted in heavy-duty commercial and industrial equipment, the sensor translates continuous fluid level variations into specific digital messages. As the liquid level fluctuates, the internal mechanism detects these changes and immediately encodes the data into CAN frames. These frames are then transmitted over the CAN bus network at high speeds. This method of data handling allows multiple control modules on the same network to access the fluid level information simultaneously. The reliance on the Controller Area Network (CAN) protocol guarantees that the data transmission is highly structured, allowing the overarching system to maintain synchronized operations and prioritize critical messages across all connected devices.

Seamless Integration with ECUs

One of the most defining characteristics of this CANBUS fuel level sensor is its capacity for seamless integration with various electronic control units (ECUs). In contemporary automotive and industrial frameworks, ECUs act as the central nervous system, requiring accurate and timely data to manage engine performance, fuel economy, and operational safety. By outputting digital signals directly compatible with these control systems, the sensor facilitates a direct communication pathway. This ensures that the ECUs receive real-time data regarding the fuel or liquid status without the need for complex intermediary conversion steps. Furthermore, the standard SAE-5 hole flange mount design facilitates straightforward mechanical installation into standard tank configurations, complementing its electronic compatibility. Together, these features allow system integrators to incorporate the sensor into complex control networks effortlessly, ensuring that fluid level data is instantly available to any ECU that requires it for operational logic.

Macro Application Scenarios

The application scope for this high-speed data transfer sensor is extensive, primarily encompassing demanding automotive and industrial applications. In the automotive sector, particularly within commercial fleets, heavy-duty trucks, agricultural machinery, and construction equipment, reliable fuel level monitoring is paramount. The sensor provides continuous, real-time data to the vehicle's control systems, enabling precise fuel management and operational planning. Beyond vehicles, industrial applications such as stationary power generators, large-scale fluid storage facilities, and automated heavy machinery also rely heavily on accurate liquid level data. In these environments, the sensor acts as a vital monitoring tool, ensuring that fuel or other critical fluids are maintained at optimal levels to support continuous operation. By delivering consistent and standardized digital data, the sensor supports the broader goals of automated monitoring and intelligent system management across diverse industrial landscapes.

The S5-200 CANBUS Output SAE-5 Hole Flange Mount Fuel Level Sensor offers several distinct advantages due to its advanced integration with the Controller Area Network (CAN) protocol. Designed for modern commercial vehicles, heavy machinery, and industrial storage applications, this high-speed data transfer sensor provides significant technical and commercial benefits over traditional analog monitoring setups. By leveraging the industry-standard J1939 protocol, it ensures reliable fluid monitoring tailored for demanding operational environments.


Simplified Wiring and Cost-Effective:

One of the most prominent benefits of this sensor is its highly simplified wiring architecture. Traditional point-to-point sensor systems require individual cable runs from each sensor back to the central control unit, leading to thick, heavy, and complex wire harnesses. In contrast, the CAN Bus protocol allows multiple sensors to be connected in a network, reducing the complexity and cost of wiring compared to traditional point-to-point systems. For manufacturers and fleet operators, this streamlined approach translates directly into faster installation times, minimized material costs, and reduced labor expenses during assembly and routine maintenance.


Advanced Multi-Sensor Network Connectivity:

Beyond basic wiring reduction, the integration of the CAN protocol enables highly efficient multi-sensor network connectivity. In complex equipment such as construction machinery, agricultural vehicles, or large-scale marine vessels, operators often need to monitor multiple fluid tanks simultaneously. This CANBUS fuel level sensor can easily coexist with other CAN-enabled devices on the same network backbone. Each sensor communicates its specific data packet efficiently without signal degradation or the need for multiple dedicated analog input ports on the main controller. This scalability makes it an ideal choice for engineering projects requiring comprehensive fluid management systems.


Enhanced System Robustness and Fault Tolerance:

Reliability is critical in heavy-duty applications, and this sensor significantly enhances the robustness of the system. A key advantage of the CAN Bus network topology is its inherent fault tolerance and resistance to electromagnetic interference. The parallel nature of the network ensures that communication can continue even in case of a single point failure. If one specific node or sensor on the network experiences an issue, the rest of the connected devices will continue to transmit critical data to the central controller without interruption. This ensures continuous monitoring of other vital fluid levels and minimizes system-wide downtime.


High-Speed Data Transfer and J1939 Compliance:

Utilizing high-speed data transfer capabilities, the S5-200 sensor provides real-time, accurate fuel level readings, allowing for precise consumption tracking and optimized fleet management. Furthermore, its compliance with the SAE J1939 standard ensures straightforward integration into the existing electronic control units (ECUs) of heavy-duty commercial vehicles. This standardized communication protocol removes the guesswork from system integration, allowing procurement teams and engineers to confidently select a sensor that will communicate flawlessly with industry-standard diagnostic and operational platforms.

Model # S5-200
Length 200mm from the bottom to the edge of head unit, 110mm~3000mm is customizable
Material stainless steel probe and NBR float
Output CANBUS, J1939
Resolution 21mm in resolution (default)
Float Dimension 35*32 NBR
Mounting SAE-5 hole flange
Cable Length default length is 460mm without connector; length is customizable
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