Reviewing this on the Raspberry PI forums, I can see that others have successfully activated the RTS and CTS using raspberry pi model 3B, and not had the misalignment issue. This makes me think it is something to do with the Codesys implementation. Does anyone have any ideas? Thanks in advance
Hi Hopefully this is the correct place to post this technical question - if not, please move it! I am using a RaspberryPi 3 B v1.2 with Codesys V3.5 SP17 Patch 3+ (32 bit) and Raspberry Pi package 4.5.0.0. I have Modbus set up as shown in the attached image "Modbus tree.png". The COM is set up as port 1, 115200, NONE, 8, 2. Protocol is RTU. The slave is connected at address 7 and is set to read 16 holding registers every 100ms. We are using the Pi with Modbus to control 3 types of devices in sequence;...