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Can connection on 5.5, 8 kw Sunsynk inverter.


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Posted

A question that came up !!!

Is the can connection (pin out) the same between a 5.5 Kw synsynk inveter and  8 kw Sunsynk inverter. I am not naming any battery suppliers but they say that the monitoring is working on the 8 kw inverter and not on the 5kw inverter. Any truth in this statment.

CJ

Posted
14 hours ago, CJE said:

working on the 8 kw inverter and not on the 5kw inverter

this doesn't sound right to me... I would think that both variants should should understand the same battery types...

from what I can see pin 2 on the CAN bus RJ45 is ground, and pin 4 is CANH and pin 5 is CANL, this seems to be the same for both the 5 and the 8kW Sunsynk inverters...

Posted (edited)

Ignore my previous post.  I was using inverter pinouts from the training manual.

The manual that came with the 8.8kW unit has the following for the pinouts:

2 - GND

4 - CAN-H

5 - CAN-L

 

I have made a cable for connecting the Inverter to my Pylontech US3000C and this is what is needed.
Inverter to Battery

2 to 6

4 to 4

5 to 5

Tested and working correctly.

 

Edited by billy
Incorrect information given

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