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Victron_BlueSmart_IP22

Using the BlueSmart IP22 Charger without Bluetooth.

(c) by

all new updates are now under github://pvtex/Victron_BlueSmart_IP22

Connecting to venus

Connect USB to TTL Converter

Victron FTDI Schematic

On the picture the jumper for the TTL level is wrong. IMPORTANT: change the jumper to 3.3V

You have to use TTL to USB adapter for 3.3V TTL level.
If you use an isolated adapter you have to connect the 3.3V pin to the adapter, if not dont connect it.

Connected to venus

if you connect the ttl to usb cable direct to a venus os device (i have on here running on a raspberry pi 4) the charger will show and you can see all information about it:

Screenshot01
Screenshot02
Screenshot03

Service Change Charge Current

In the directory bluesmart-charger are all files to install this automatic script as a service on venus os.
First off, a big thanks to mr-manuel that created a bunch of templates that made this possible.

Install

Copy the bluesmart-charger folder to /data/etc on your Venus OS device

Run bash /data/etc/bluesmart-charger/install.sh as root

The daemon-tools should start this service automatically within seconds.

Config

Copy or rename the config.sample.ini to config.ini in the bluesmart-charger folder and change it as you need it.
These values can be changed in the config file:

KEY DESCRIPTION DEFAULT
ip IP of your venus device 127.0.0.1
phase modbus service id for the phase your system is connected to 820
interface the USB interface of the charger /dev/ttyUSB1
intervall how often the charging current should be calculated and send to the charger 30 seconds
maxcurrent max charging current to limit this value 12 A

After changing the config file run the restart.sh script to activate the new config.

Uninstall

Run /data/etc/bluesmart-charger/uninstall.sh

Restart

Run /data/etc/bluesmart-charger/restart.sh

Debugging

The logs can be checked with tail -n 100 -F /data/log/bluesmart-charger/current | tai64nlocal

The service status can be checked with svstat: svstat /service/bluesmart-charger

This will output somethink like /service/bluesmart-charger: up (pid 5845) 185 seconds

If the seconds are under 5 then the service crashes and gets restarted all the time. If you do not see anything in the logs you can increase the log level in /data/etc/bluesmart-charger/config.ini by changing logging = WARNING to logging = INFO or logging = DEBUG

Adapter

Adapter PCB

I have just created a little adapter pcb with a level shifter and isolation for RX and TX.
With this you can use a standard ve.direct cable:
Adapter Schematic

Here is how it looks like:
PCB Adapter 3D

And there is a little case for it.
Adapter Case

All files needed are in the pcb folder.

You can use a short (about 10cm) 6pin to 6pin flat ribbon cable with the 6pin sockets to connect the charger to the pcb.
the cable can be routed outside at the right side of the battery terminals.

If you need a ready made one just drop me an email.

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