timer bits in plc, timer simulation plc, timer retentive plc, plc retentive timer, reset timer ladder logic Departments:Electrical EngineeringMechanical EngineeringFigure 2: timer dataBelieving in the essence of timers in ladder logic programming, we come today with a new tutorial in which we are going to show you all about timers, the types of timers, what’s inside timers’ block of parameters, variables, ...