PLC: Switches, Circuits, and Basic Functions--Number Storage
Part 9 of the Switches, Circuits, and Basic Functions Series explains terminology and how memory stores numbers and text.
Memory does not hold a number it holds a series of 0 & 1
Different formats available depending on model and brand
Show and explain BCD
Show and explain Binary
Explain floating point
Explain it is very important to know what format numbers are stored in so when you store data in Excel or Access you can setup those external software’s to interpret the 0&1 properly.