blackwhitebear8

i used this picture for the pinout on the inverter itself https://community-assets.home-assistant.io/original/4X/7/5/0/750b95a33f06f15259bee9bd843ef19fc27e56b6.jpeg Pin 3 goes to a+ and pin 4 to a-

"The pins are correct 3 / 4 are Modbus A and B. So that is correct. What took me a while to figure out is that I had to use...

also can this come becouse of the cable length between the inverter and the serial usb? (around 10m)

i dont have it grounded atm is that required? and if so how would i do that

this is what it looks on the pc/servers side btwhttps://cdn.discordapp.com/attachments/805950455359602709/1045735535987142806/IMG_20221125_171832.jpg

i put the cables in the COM/CAM port does it need to be in the rs one somehow?

looks correctly wired up to me then

i have re attached all the 4 wires and pins so the usb gets also 5v and ground from the inverter and lets see tomorrow what it does when the...

https://cdn.discordapp.com/attachments/1026751450874904598/1045782707982041170/IMG_20221125_201936.jpg https://cdn.discordapp.com/attachments/1026751450874904598/1045782708204359800/IMG_20221125_202058.jpg connections ^^ and its a shielded cat6 cable the shielding is cut off where the plastic stops.

i had found this diagram and it said 5v and ground https://community-assets.home-assistant.io/original/4X/7/5/0/750b95a33f06f15259bee9bd843ef19fc27e56b6.jpeg