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ECU Simulator Generates Eleven Most Frequently Used SAE J1939 Signals For Diesel Engines

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SIMJ1939-013: Au J1939 Simulator 1.00A Value Package Non-plus Edition

The Au J1939 Simulator 1.00A Value Package non-plus Edition generates 11 most frequently used SAE J1939 signals for Diesel Engines. The device supports multiple CAN Bus baud rates (1M/500K/250K/125K/62.5K bps) and can be configured in the field to cover the new SAE 500K CAN Bus baud rate. 

Supported SAE J1939 Parameters (PGN) And Features:

  • Engine % Load at Current Speed 
  • Engine Oil Pressure (PSI) 
  • Engine Coolant Temperature 
  • Engine Fuel Rate 
  • Engine Speed (RPM) 
  • Engine Total Hours of Operation (Hr) *
  • Response for Engine Hour Request (Rx)
  • Engine Address Claiming
  • Engine Address CANNOT Claim 
  • Response for Address Claim Request (Rx) 
  • Address Conflict Response with Contention

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SAE J1939 ECU Simulator Board With USB Port

SAE J1939 ECU Simulator Board With USB Port

The  jCOM.J1939.USB gateway board is a high-performance, low-latency vehicle network adapter for SAE J1939 applications. It allows any host device with a USB COM port to monitor SAE J1939 data traffic and communicate with the SAE J1939 vehicle network.

The board supports the full SAE J1939 protocol according to J1939/81 Network Management (Address Claiming) and J1939/21 Transport Protocol (TP). It is also supported by an extensive programming interface for Windows and Linux/Ubuntu applications, including full C/C++/C# source code for short time-to-market developments.

The strength of the board lies in the fact that the entire SAE J1939 protocol, including all timing requirements, is stored on-chip, thus taking the burden off the main system. The board uses a USB COM port to communicate with the main system, i.e. all data transfer is handled through a standard COM port access. 

The communication protocol between the board and the main system is well documented and thus allows a porting to any computer system with a USB connection. Working source code libraries exist for Windows (C# under Visual Studio 2012/2013), Linux and its derivatives (C++ using Code::Blocks), and Raspberry Pi (C using the standard gcc compiler).

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