What is Modular PLC?
A Modular PLC consists of multiple modules such as CPUs, I/O modules, Power modules which are connected to a popular rack. It can expand the capacities of I / O.
The modular PLC is versatile and for this purpose can be designed. These modular PLCs have variable power supply, computational capacities, I / O connectivity, etc. in distinct dimensions.
What is the Compact PLC?
In Compact PLC, I/O capability is fixed and determined by the manufacturer. They are used for small scale uses.
A single case contains
Difference between Modular & Compact PLC:
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