When a PLC is used primarily to replace relays, timers, and counters, it's hard to beat the simplicity and usefulness of ladder diagram programming. Their ability to accept programming in ladder ...

Block diagrams can be written, usually in boxes, with the headings input, process, and output. When planning how a circuit will function, these headings are then used to plan what the input, process ...

Block diagrams close block diagramA diagram of a system represented by blocks connected by lines. are clear, simple diagrams showing all of the input, process and output elements that make up the ...