The amount of current licenses determines the number of desktops the application may be used on at one particular time. The new S7-two hundred SMART has two differing types of CPU modules, i.e. normal kind and compact style. Common kind CPU is expandable with I/O growth modules and signal boards. https://simoncfebw.blogsumer.com/12981486/top-guidelines-of-siemens-s7-1500