AutomationDirect’s new eBook, “PLC Handbook: A Practical Guide to Programmable Logic Controllers” is now available as a free download. Designed as an easy-to-read guide for users new to PLCs, this ...
User-defined instructions (UDIs) let engineers write logic once and reuse it across many components, eliminating tedious copy-paste duplication. Any updates to a UDI definition automatically propagate ...