I think I have the same issue. I'd like to update the holding registers of the modbus slave, however, the values that are written to Input_1 are not accessible for a master trying to read them. Values written to Output_1 can be reached from the master by using read_input_registers, but I don't find ...

Hi. I'm using a RevPi compact as a Modbus Slave Device. It's supposed to simulate a slave device. However, I am unsuccessful in updating the holding registers of the virtual slave device locally. When updating the variables with PiTest, the values appear to the master as Input_registers, not Holding...