Replies: 5 comments 5 replies
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Maybe @mr-manuel or @Louisvdw could point me in a direction how to make that possible. Most Installs I know use a Smartshunt and would only be interested in having the rest of the BMS data in the VRM Portal. |
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There is a minimum set of values that are required and current is one of them. Without it the system don't know the power usage and not limits can be applied. |
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If you think other people would/could use it as well then yes. If you used fixed assumtions it might need to be adjusted first so that it could work for any system. The optional shunt needs to be able to to talk to the driver as well. The ECS driver is similar in that the green meter and the LiPro cell devices are seperate, but for the driver to run you have to implement both. |
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In this case, the implementation for the user would be the same because there is a Modbus value for the current already, but it would be zero then. So if no Shunt is connected, current value would always be zero if one is connected it would show the actual current. I'm only not too sure about how to communicate that the current value will be shown will only be shown if there is a Shunt connected. I would just assume that people probably not use it not as intended and actually use it with the current value in the system not only for monitoring reasons. |
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I guess the same goes for the Temp. Set it to something reasonable if there is no value provided by the BMS? |
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I have just finished to write a driver for a iRock system. https://dilocker.com/wp-content/uploads/2022/04/Blockschaltbild-iRock212.pdf but as you see there is not necessarily current value (Shunt optional). At the moment I get calculation errors, probably because I don't provide a current value. Is there any idea what to do if there's no current value or is that just not supported?
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