RT Book SR Electronic(1) A1 R. W. Lewis YR 1998 T1 Programming Industrial Control Systems Using IEC 1131-3 PB Institution of Engineering and Technology JF Control, Robotics and Sensors K1 IEC 1131-3 K1 structured text K1 sequential function chart K1 function block diagram K1 instruction list K1 function block K1 ladder diagram SN 9780852969502 UL https://digital-library.theiet.org/;jsessionid=7cj23qrkbnr9q.x-iet-live-01content/books/ce/pbce050e