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update readme with more info around charging VLRA batteries

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David
2019-08-09 16:17:37 +10:00
parent 84cfa20aee
commit 0c2c945a96
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README.md
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@@ -1,4 +1,4 @@
# A Docker based Home Assistant interface for Voltronic Solar Inverters
# A Docker based Home Assistant interface for MPP/Voltronic Solar Inverters
This project [was derived](https://github.com/leithhobson/skymax-demo-Original) from the 'skymax' [C based monitoring application](https://skyboo.net/2017/03/monitoring-voltronic-power-axpert-mex-inverter-under-linux/) designed to take the monitoring data from Voltronic, Axpert, Mppsolar PIP, Voltacon, Effekta, and other branded OEM Inverters and send it to a Home Assistant MQTT server for ingestion...
@@ -77,9 +77,11 @@ Set charger priority PCP00 (Utility first)
PCP02 (Solar and utility)
PCP03 (Solar only)
Set the Charge/Discharge Levels
PBDV25.7 (Discharge when battery at 25.7v or more)
PBCV24.0 (Switch back to 'grid' when battery below 24.0v)
Set the Charge/Discharge Levels & Cutoff
PBDV26.9 (Don't discharge the battery unless it is at 26.9v or more)
PBCV24.8 (Switch back to 'grid' when battery below 24.8v)
PBFT27.1 (Set the 'float voltage' to 27.1v)
PCVV28.1 (Set the 'charge voltage' to 28.1v)
Set other commands PEa / PDa (Enable/disable buzzer)
PEb / PDb (Enable/disable overload bypass)
@@ -88,6 +90,9 @@ Set other commands PEa / PDa (Enable/disable buzzer)
PEx / PDx (Enable/disable backlight)
```
*NOTE:* When setting/configuring your charge, discharge, float & cutoff voltages for the first time, it's worth understanding how to optimize charging conditions to extend service life of your battery: https://batteryuniversity.com/learn/article/charging_the_lead_acid_battery
### Using `inverter_poller` binary directly
This project uses heavily modified sources, from [manio's](https://github.com/manio/skymax-demo) original demo, and be compiled to run standalone on Linux, Mac, and Windows (via Cygwin).