Unable to Extract Data Forum Home › Forums › Communicating with Devices › Modbus › Unable to Extract Data This topic has 1 reply, 2 voices, and was last updated 4 years, 10 months ago by Mikhail. Viewing 2 posts - 1 through 2 (of 2 total) Author Posts June 12, 2019 at 7:33 am #5541 chandan.tigParticipant While communicating with the device i am getting Erratic Values. I have synced one energy meter with rapid scada and i am targeting the accurate address of the device please help. The sent data is as given below. Send (8): 01 04 75 31 00 01 7A 09 Receive (5/5): 01 80 02 C0 01 June 12, 2019 at 3:17 pm #5543 MikhailModerator Use http://modbus.rapidscada.net/ for decode. And you get that the device returns the error: [02] ILLEGAL DATA ADDRESS You should check the register address using the service mentioned above. Author Posts Viewing 2 posts - 1 through 2 (of 2 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In