I have a Solis PV inverter that has a wifi data logger connected to it which uses rs485/modbus for sending data to the cloud.
It has a proprietary 4 pin round connector, with +/A/B/GND pins.
I have purchased one of these rs485 adapters and connected the A/B/GND wires directly to the same pins on the wifi data logger and I can pull data form the usb adapter and also it continues to send to the cloud.
However sometimes I think they are tripping over each other as the wifi logger would obtain and log some bogus data to the cloud like so:
I assume the inverter is the master and the 2 devices are the slaves correct?
Have I wired them correctly? Any suggestions on how to resolve the issue?
USB RS485 --> Wifi Logger
A --> A
B --> B
GND --> GND
It has a proprietary 4 pin round connector, with +/A/B/GND pins.
I have purchased one of these rs485 adapters and connected the A/B/GND wires directly to the same pins on the wifi data logger and I can pull data form the usb adapter and also it continues to send to the cloud.
However sometimes I think they are tripping over each other as the wifi logger would obtain and log some bogus data to the cloud like so:
I assume the inverter is the master and the 2 devices are the slaves correct?
Have I wired them correctly? Any suggestions on how to resolve the issue?
USB RS485 --> Wifi Logger
A --> A
B --> B
GND --> GND