PLC glossary
BOOL
A value with only two choices: TRUE or FALSE. It cannot hold a measured amount such as 42 litres.
- Also called
- Boolean, Boolean value
- On site
- A float switch gives an ON or OFF reading when water reaches it.
- Siemens
- BOOL in block interfaces and PLC tags.
- Rockwell
- BOOL in controller/program tags.
Taught in: Know what a tag represents