IEC 61131 series - Programmable controllers - ALL PARTS Updated at: 03-02-2021 Show more information ICT performance characteristics Interoperability (ICT) Industrial Reference ICT Architectures Reference Architectural Model Industrie 4.0 (RAMI 4.0) RAMI 4.0 Vertical Axis and associated standards Information Layer (RAMI 4.0) IEC 61131 series - Programmable controllers - ALL PARTS