PLC: Switches, Circuits, and Basic Functions--Addressing
Part 8 of the Switches, Circuits, and Basic Functions Series explores addressing, addressing schemes, and coding to properly configure and programmable logic controller.
Every brand addressing different
Even within brands models change
There is no common way of addressing
Addresses change form city to city
Inputs – outputs, timers counters, memory all have addressing from brand to brand.
Very important for connecting up operator interfaces.
Go over CPU’s and backplane
This is where commands are stored and executed
This is the main brain where all the action is
You have to write some code for this to work.
World revolves around the CPU
Also where we store Number and text items