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Victron EV Charger cumulative charged kWh (total energy) on modbus

I noticed the forwarded energy counter is only for the "active session". The total energy counter from the EVCS internal website is not available on modbus yet. Are there any plans to make it available ?

Trying to the use EVCS to get some expenses back from my employer. The modbus connection works ok'ish for this purpose but for reporting to a csv on a schedule it would be far better if the total energy counter can be logged as well.

Modbus TCPev charging station
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kudos50 avatar image kudos50 commented ·

Another reason for adding cumulative charged energy into the mix is that in its current state "overload protection", if hit hard enough, will stop the session thereby loosing the session counter data.

The car was charging last night but was not fully charged this morning. Most likely as DESS has charged the battery for a few hours, causing overload protection to kick in for too long ? Either way, session data is lost as the charger stops and needs manual restarting.

Setting autocharge will surely fix the car charging problem but will probably result in multiple sessions thereby depending on timely capture of the max value.

@Lucian Popescu (Victron Energy Staff) can you elaborate on overload protection timers causing the charging process to fully stop ?

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In few words with example:

let's say you are charging with 15 A, overload is detected > it will reduce to 12A, overload again > it will reduce to 10A ........>6A. If the system still detects overload at 6A(minimum charging current), EVCS will stop and not restart.

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kudos50 avatar image kudos50 kudos50 commented ·
In that case I guess I'm very very much in favour of having cumulative energy available on modbus. Considering charging does not restart, I guess load balancing is not "the same" as overload protection. So would be good to have loadbalancing that simply continues charging from suspendedevse once grid meter allows.
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