John S. Rinaldi of Real Time Automation (www.rtautomation.com) describes serial communications.

Further your industrial automation knowledge and join our weekly Automation Education email series! Sign up here: https://www.rtautomation.com/yt-subsc...

While you're at it, don't forget to sign up for our bi-monthly newsletter:
https://www.rtautomation.com/company/...

To read our blogs, be sure to visit: https://www.rtautomation.com/enginerd...

Follow us on social media:
Facebook:   / rtautomation  
Twitter:   / rtautomation  
Instagram: @RTAutomation
LinkedIn:   / real-time-automation