![]() Schools are now faced with the challenge of how to deliver valuable hands-on training to students working from home or socially distanced in the classroom. Developing programs to monitor and control each of the simulations is part of the curriculum coverage.With 70% of Schools closing at the beginning of the pandemic, learning institutions found that their physical industrial training equipment, used for hands-on training, became less effective. The courseware begins with a general introduction to PLCs, the various programming methods available and the fundamentals of ladder logic programming and then moves onto the functions of LADSIM. The student can start with the internal simulations and then move onto the ICT3 simulation once completed it is then possible to connect an actual ICT3, using an interface card and control this through the real I/O. LADSIM has the ability to be connected to external devices, through a suitable interface. Each simulation is designed to aid and test knowledge of programming in ladder logic. LADSIM has eight internal simulations Annunciator, Traffic Light, Car Park, Elevator, Drinks Machine, Packing Line, Bottling Plant, and the ICT3. An interactive debugger is included allowing the program to be tested before being used to control a specific application. LADSIM functions include inputs, outputs, timers, counters, flags and shift registers. A simple ‘drag and drop’ method is used to add functions to the ladder rung, and comments can be added to each rung for documentation purposes. LADSIM includes a visual editing environment for graphical programming. LADSIM is a fully functional ladder logic design and PLC simulation software program that incorporates the functions used in PLC ladder programming.
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