"test if echo" on serial port
Posted: Mon Mar 08, 2021 9:29 pm
Hello,
I am using x2pro 4" HMI with rs485 serial communication. However, when HMI starts up, it will send " test if echo" at the start of serial communication, but it causes com port silent? any body knows how to fix this issue?
I am using x2pro 4" HMI with rs485 serial communication. However, when HMI starts up, it will send " test if echo" at the start of serial communication, but it causes com port silent? any body knows how to fix this issue?