My BMS system

The BMS system finally started working.

Concentrator

The missing part was the so called concentrator, which interfaces several RS485 bus lines to the server through a single RS232 or USB.

The interior of the concentrator.

This is just a prototype, a proof of concept, that the SPI backbone can work. The final design will be more compact.

Close up of the line cards.

The whole stuff mounted in the rack.

The temperature sensor

To be added.

The relay module

To be added.