Programmable Relays.

2. A logic term for a latching or hold-in contact.
3. The time a PLC is said to operate in.
8. The function of the CPU (colloquial).
10. A system of electronic circuits on a single chip.
13. The type of isolation provided to the CPU of a PLC from the field inputs and outputs.
16. The type of time that the speed and response of a CPU is measured in.

1. A logic term for off.
4. The non-volatile read only memory used by a programmable relay.
5. Limit switches, thermostats, float switches, and pressure switches are examples of these devices often used as PLC inputs.
6. Every input and output to a PLC is given a unique one of these.
7. Lamps, coils, and signals operated from a PLC are referred to as these.
9. the volatile memory where working memory is stored.
11. Logic signals from float switches, limit switches, and push buttons are referred to as these.
12. The power bus in a ladder diagram are represented by these.
14. A logic term for on.
15. A microprocessor system developed for lighting control.