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JCOM1939 Monitor Pro – Monitoring, Recording & Simulation of SAE J1939 Data Traffic

The JCOM1939 Monitor Software is the perfect tool to monitor, record, analyze, and simulate SAE J1939 data traffic. The system works in combination with our SAE J1939 gateways.

This comprehensive and easy-to-use, easy-to-understand Windows software displays not only SAE J1939 data traffic; it also allows to scan the network, simulate an ECU (incl. full node address negotiation features), and respond to data request messages.

The communication protocol between the gateway and the host system (PC, Embedded System, Android System, etc.) is well documented, and we provide C/C# source code to read and write CAN data frames.

Features

  • FREE download
  • Fully Integrated SAE J1939 Protocol Stack
  • ECU Simulation Setup (Preferred Node Address, Negotiable Address Range, NAME, and more)
  • Filter J1939 PGNs for Display
  • Design J1939 PGNs for Transmission (Data and Request Messages)
  • Design J1939 PGNs for Request Responses
  • Simulate Digital and Analog Signals
  • Scan a J1939 Network (Number of Nodes, Node IDs, NAMEs)
  • Record SAE J1939 Data Traffic
  • Simulate SAE J1939 Data Traffic
  • Check Gateway Status (Error Messages, Software/Hardware Version)
  • Set Gateway Parameters (Heartbeat Frequency, Message Acknowledgment)
  • Free Updates

Download/View the JCOM1939 Monitor User Manual (PDF)…


A Comprehensible Guide to SAE J1939A Comprehensible Guide to J1939 is the first work on J1939 besides the SAE J1939 standards collection. It provides profound information on the J1939 message format and network management combined with a high level of readability.

The information in this book is based on two documents of the SAE J1939 Standards Collection:

  • J1939/21 – Data Link Layer
  • J1939/81 – Network Management

This book is an attempt to create an enjoyable and readable J1939 reference for everybody. The information provided in this book is, besides the SAE J1939 Standards Collection, based on publicly available information such as, but not limited to web sites and printed literature as well as contributions by engineers familiar with Controller Area Network and the J1939 protocol. The information in this book, while based on the J1939 standard, is not a reproduction of any copyrighted SAE document. More Information…

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