[求助]plc编程板英文缩写的中文描述

               fun                         r#                           str

              and                        or                           not

              i.sg                         jmp                         set

              rst                         sg                           out

              tmr                       cnt

        其中红色的通过plc书籍的学习我已经知道了,请指教剩下的,谢过了先!