There are multiple ways to query the BMS for information on the performance of your energy storage.
You can view the BMS status via any web browser (just connect directly the BMS with a browser on port 3000, or use the Redflow secure cloud access facility to obtain remote access to the BMS.
On the local ethernet, you can use the MODBUS-TCP or JSON protocols to retrieve information from the BMS.
For information on JSON and MODBUS-TCP queries, log in to the BMS and go to the Tools menu and select the Field Access Information page.
The Field Access Information page provides the complete list of data able to be retrieved via JSON or MODBUS-TCP queries, with live (clickable) JSON access links and with the appropriate MODBUS-TCP register numbers provided right on that page.
The BMS transmits status via CANBus using the standard industry protocol for battery status (as used by typical Lithium based battery systems).
The BMS can also be configured to operate its on-board relay (and USB-attached or MODBUS-TCP attached relays) based on changes to BMS status, using a programmable 'Digital I/O' event management system in the Configuration section of the BMS. More help on using this can be obtained from Redflow Technical Support if required.
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