Benji Posted March 26, 2022 Posted March 26, 2022 I need some help with a communication failure between a Sunsynk 5K SG01LP1 and a Freedom Lite 10/8 battery. I used the standard cable supplied with the inverter. I also checked the cable. The inverter is working 100% but there is no BMS communication. What should I check? Quote
Benji Posted March 26, 2022 Author Posted March 26, 2022 I got this sorted out with some help from Freedom won batteries. It turns out a normal ethernet cable as supplied with the Sunsynk inverter doesn’t work. So whats needed is the following. The normal ethernet plugs (RJ45) Pin 7 of battery goes to pin 4 of inverter and Pin 8 of battery goes to pin 5 of inverter. You don’t need the other wires. Cornel101 1 Quote
TimCam Posted March 26, 2022 Posted March 26, 2022 (edited) Yip, the Ethernet cable supplied with the inverter is not for batteries. Great to hear you are sorted out. Edited March 26, 2022 by TimCam Quote
Cornel101 Posted October 28, 2022 Posted October 28, 2022 On 2022/03/26 at 4:43 PM, Benji said: I got this sorted out with some help from Freedom won batteries. It turns out a normal ethernet cable as supplied with the Sunsynk inverter doesn’t work. So whats needed is the following. The normal ethernet plugs (RJ45) Pin 7 of battery goes to pin 4 of inverter and Pin 8 of battery goes to pin 5 of inverter. You don’t need the other wires. Hi Benji, did you have to change any settings on the Inverter ? Thanks for the info btw Quote
Cornel101 Posted October 28, 2022 Posted October 28, 2022 On 2022/03/26 at 4:43 PM, Benji said: I got this sorted out with some help from Freedom won batteries. It turns out a normal ethernet cable as supplied with the Sunsynk inverter doesn’t work. So whats needed is the following. The normal ethernet plugs (RJ45) Pin 7 of battery goes to pin 4 of inverter and Pin 8 of battery goes to pin 5 of inverter. You don’t need the other wires. Hi Benji, did you have to change any settings on the Inverter ? Also does the ethernet cable need to be grounded (GND). Thanks Quote
Bobster. Posted October 28, 2022 Posted October 28, 2022 28 minutes ago, Cornel101 said: Hi Benji, did you have to change any settings on the Inverter ? Also does the ethernet cable need to be grounded (GND). Thanks This may help https://www.freedomwon.co.za/wp-content/uploads/Freedom-Won-Lite-Home_Business_52V_Installation-Manual.pdf Cornel101 1 Quote
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