Types of PLC ( Based on I/O capacity)

Based on no of Input and output we classify in to three

1. Fixed (Micro or small) - 16 I/O

           It is one solid piece that have input and output port.

      2.  Modular (Medium) - 1064 I/O

          

           This type of PLC we can connect many fixed type of PLC through extension port up to 1064 connection only.   

      3.  Rack (Large) - 16,000 I/O

           It has separate input, output and CPU kit connect with crass rail connection.

Thank you,..
The grace of the LORD JESUS be with God's people.