The PLC Power Supply Module Normaly Is Rated to Provide

question 17

Multiple Choice

The PLC power supply module normaly is rated to provide the power for

• A)all field devices.
• B)input field devices only.
• C)output field devices only.
• D)PLC backplane and I/O modules.

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Definitions:

Frequency Polygon

A graphical representation of a frequency distribution with line segments connecting points directly above class midpoint values on the horizontal axis.

Histogram

Figure that uses connected bars to represent the frequency of each value of a variable.

Frequency Polygon

A graphical representation of a distribution; it displays the number of observations within a given interval represented by a line connecting points.

Bar Chart

Figure that uses bars to represent the frequency or percentage of a sample corresponding to each value of a variable.