SenseCAP One - Timeout error

Products & Technology SenseCAP
#1

When I try to connect, the mbpoll show error: Timeout Error.

image
What is the problem?

My configuration:

9600 baud
8 data bits
None parity
1 stop bit
Response timeout 1000
Delay 200
Mode RTU

#2

Hello, how is your hardware setup?

#3

Hi, thanks for the reply.
I did not understand what exactly you are asking me

#4

Other test,
if try to send char " ? " don’t get any reply message.

#5

Oh I meant to say how did you connect the SenseCAP One with your computer/Raspberry Pi?

#6

Looks like you’re reading holding registers (F = 03). Try reading input registers instead (F = 04).