When a USB serial device (e.g., battery BMS) is connected to a Venus OS system: Do we need to open and close the serial connection repeatedly for communication cycles? Or is it better to open the serial port once and keep it open as long as the device is connected? In systems with multiple …

[image] Understanding the Victron BMS CAN DIY There are some technical documents here. Can registers are publicly available . And their data communication paper. If you are wanting more then spend time in the modification section. The 16 battery limit is an …

Hi, When using non-standard serial devices with your own driver / service, this service should open the com port once and keep it open as long as the device (/battery) is connected. This is what all the regular Victron services also do. To make this work properly, ideally it also works together wi…

Serial communication handling for USB devices on Venus OS

Topic		Replies	Views	Activity
Venus OS 100 Balance BMS Deutschsprachiger Bereich diy , offgrid , vrm , cerbo_gx	8	900	10 June 2025
Problem with serial-starter DIY beginner , gx_device , cerbo_gx	2	218	16 March 2026
Small error in document Community feedback	1	75	23 June 2025
Daly BMS uart lead DIY cerbo_gx , daly-bms	1	154	27 February 2026
Monitoring battery banks Q&A and troubleshooting beginner , parallel , smartshunt , multiplus-ii , victron_community , cerbo_gx	9	399	26 November 2024

Venus OS 100 Balance BMS

Deutschsprachiger Bereich

diy , offgrid , vrm , cerbo_gx

8

900

10 June 2025

Problem with serial-starter

DIY

beginner , gx_device , cerbo_gx

2

218

16 March 2026

Small error in document

Community feedback

1

75

23 June 2025

Daly BMS uart lead

DIY

cerbo_gx , daly-bms

1

154

27 February 2026

Monitoring battery banks

Q&A and troubleshooting

beginner , parallel , smartshunt , multiplus-ii , victron_community , cerbo_gx

9

399

26 November 2024

Serial communication handling for USB devices on Venus OS

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