Hello,
I am currently utilizing a Raspberry Pi 4 paired with the Building Automation Hat V4. My objective is to establish a connection to an air flow meter through Modbus.
I am using Python in conjunction with the MinimalModbus library. However, when attempting to read a register, I encounter the following error: minimalmodbus.InvalidResponseError: Checksum error in RTU mode:. Upon inspecting the bus traffic with an oscilloscope, it appears that the device is not responding to any signals.
Does anyone have any insights into what might be going wrong?
I am currently utilizing a Raspberry Pi 4 paired with the Building Automation Hat V4. My objective is to establish a connection to an air flow meter through Modbus.
I am using Python in conjunction with the MinimalModbus library. However, when attempting to read a register, I encounter the following error: minimalmodbus.InvalidResponseError: Checksum error in RTU mode:. Upon inspecting the bus traffic with an oscilloscope, it appears that the device is not responding to any signals.
Does anyone have any insights into what might be going wrong?