The Filter section allows you to filter any PGNs (Parameter Group Numbers) from your network. Simply enter the PGN of your choice and a description (optional), then hit the Save command button. The PGN, provided it is part of your J1939 data traffic will show on the data screen below. If you are not sure which PGN to filter, you can also click on the Pass All option. This will give you an overview of all PGNs in the network, and you can choose which one to filter.
To modify a specific PGN, simply click on it in the table. All parameters will appear in the editing section. Modify the parameters to your liking, then hit Save again.
→ Download/View the JCOM1939 Monitor User Manual (PDF)…
A 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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