![]() Fortunately there are some bright ideas out there that make life a lot easier for the companies involved. The software for your PLC has to be part of the process when you are selling or using a Programmable logic controller. The cost for these items is sometimes well above 1500 dollars to use the software that is required. You are required to pay a flat rate fee and in many cases even to pay for the license or site fees too. Many companies not only charge you for the item in question, but also for the plc programming software. In many cases the programmable logic controller software can be quite costly, the pricing being nearly as much as you paid for the actual PLC. ![]() ![]() Developing programs to monitor and control each of the simulations is part of the curriculum coverage.In addition to the hardware components the Programmable logic controller requires the use of PLC software that will assist in the interaction between the computers. 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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