PLC

3. – The brand credited with inventing the first PLC (the 084) in 1968.
6. – A light-sensitive component whose resistance decreases as light intensity increases (LDR).
7. – The embedded software that runs the PLC hardware itself.
9. – The engineer famously credited as the "father" of the programmable logic controller (PLC).
10. – A computer system for gathering and analyzing real-time data.
12. – A screen allowing operators to interact with the machine (Human Machine Interface).
14. – A chart used to show the output of a logic gate for every possible input combination.
15. – A data type used to store numbers with decimal points (Real numbers).

1. – Memory that retains its value even after a power loss.
2. – A mechanism that moves or controls a device, such as opening a valve.
4. – A popular standard for fieldbus communication in automation technology.
5. – A base-16 numbering system (0-9, A-F) often used for memory addresses.
8. – A device used to control the speed of an electric motor (Variable Frequency Drive).
11. – Logic used to prevent two opposing actions from occurring simultaneously.
13. – The condition of being protected from or unlikely to cause danger, risk, or injury.