Latest / Deep End Era. Engineering with Sankalp
Four Languages and a Funeral: IEC 61131-3 Edition 4
At the Al Sahil Gas Complex, a vendor FAT stalls on a single line of code nobody can read: a twenty-year-old Instruction List routine guarding a compressor. Diego Ferrer, the EPC's lead control engineer, and Tomás Iglesias, the integration engineer at the vendor's FAT shop, have three days to decide whether to port it, wrap it, or rewrite it. Along the way they explain IEC 61131-3, the standard that turned a tower of incompatible PLC dialects into a shared grammar, and its 2025 fourth edition, which finally retired Instruction List. Ladder, function blocks, structured text and sequential…
The skinny
The skinny isn't ready yet — notes appear once the transcript is processed.