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by sabooh
17 Jul 2025, 18:05
Forum: Software
Topic: Read Multiple Salves from Modbus RTU Master
Replies: 1
Views: 11761

Read Multiple Salves from Modbus RTU Master

Hi

I am using RevPi4.

i can read sensors over RS485 Modbus RTU.

However, there seem like an issue reading multiple slaves.

two slaves with different address added
r2.png

I want to read 8 registers from address 10.

r4.png

I think there is some issue with offset/length

Second sensor ...