Showing results for ‘plc’
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Define Interface?
Interface is to communicate with other devices as in computers running programming software or collecting data. An example may be an operator entering a command into a PLC located in… -
PLC Test and Answer
1. How many situations or different types of signals are available for a discrete signal? A. 2 B. 4 C. 1 D. 8 Answer = A 2. When using Discrete… -
Advantages of utilizing a PLC
The PLC offers many advantages over conventional relay control. The flexibility is much easier for a PLC because it is easy to change the program, rather than rewire a circuit… -
What is a Module?
A module generally occupies one slot in a plc chassis. The module creates an interface between the PLC processor and a foreign device that would otherwise have no way to… -
What is Discrete?
Discrete is a signal sent either to the PLC (input) or from the PLC (output). The signal has two states (either ON or OFF). A Discrete I/O (I/O stands for…
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