The Wayback Machine - https://web.archive.org/web/20171225195133/http://pldpublishers.com:80/

Error | Modbus Poll Timeout

In the world of industrial automation, Modbus remains one of the most widely used communication protocols. However, anyone who has worked with Modbus over serial (RTU/ASCII) or TCP/IP has likely encountered the dreaded “Poll Timeout” error.