port = serial.Serial('COM3', 115200) bytes_rx = 0 start = time.time()
In the world of industrial automation, embedded systems, and legacy hardware, serial communication (RS232/RS422/RS485) remains a cornerstone technology. However, monitoring, debugging, and optimizing the throughput of these ports can be challenging. (and similar advanced serial analyzers) provides the necessary visibility into COM port data, ensuring that your communication channels are efficient, reliable, and properly utilized. Serial bandwidth monitor 3.4
Focused on industrial scenarios, with strong logging and automation plugins. Conclusion port = serial
You might wonder: Why do I need to monitor serial bandwidth? Standard serial ports operate at speeds ranging from 2400 bps to 115200 bps. However, modern industrial equipment uses 460800 or 921600 baud. At these speeds, subtle inefficiencies become catastrophic. Focused on industrial scenarios, with strong logging and
Programmable Logic Controllers (PLCs) often poll hundreds of sensors. If a sensor floods the bus, total bandwidth collapses. With Monitor 3.4, you can identify which device on an RS-485 multidrop network is consuming 90% of the polling slot time.
while True: data = port.read(port.in_waiting or 1) bytes_rx += len(data) elapsed = time.time() - start if elapsed >= 1.0: bps = bytes_rx / elapsed print(f"Bandwidth: bps:.0f B/s") bytes_rx = 0 start = time.time()
Click . Within seconds, the line graph will begin rendering.