Question 1

Add-on instructions are special purpose instructions that can be purchased and added to the instruction set.

Accepted Answer

A) True 
 B)False

Question 2

Function blocks contain non-executable code.

Accepted Answer

A) True 
 B)False

Question 3

Which element of a function block diagram represents a value from an input device that brings a value into a function block?

Accepted Answer

A)  Wire
B)  Function Block
C)  Output Reference
D)  Input ReferenceE) A) and C)
F) B) and C)

Question 4

The OREFs shown:

Accepted Answer

A)  are used to send a value to an output device or tag.
B)  are used to receive a value from an input device or tag.
C)  must contain tags.
D)  both a and c.E) All of the above
F) B) and C) D

Question 5

Function block connections are made using wires and pins.

Accepted Answer

A) True 
 B)False

Question 6

The pins on the left of a function block are output pins, and those on the right are input pins.

Accepted Answer

A) True 
 B)False

Question 7

The acronym OREF stands for output reference.

Accepted Answer

A) True 
 B)False

Question 8

A Functional Block Diagram (FBD)  is a ____ programming language.

Accepted Answer

A)  textual
B)  contact and coil
C)  graphical
D)  schematicE) A) and D)
F) B) and D)

Question 9

With reference to FBD, the wire connected between the DN and Reset pins:

Accepted Answer

A)  represents a DINT signal path.
B)  creates a feedback loop.
C)  establishes data latching.
D)  all of these.E) All of the above
F) None of the above

Question 10

ICONs and OCONs:

Accepted Answer

A)  are used to exchange information between function blocks.
B)  require a unique tag name.
C)  must have the same tag name.
D)  all of theseE) A) and B)
F) None of the above D

Question 11

A sheet of a FBD consists of:

Accepted Answer

A)  function blocks joined together with wires.
B)  a series of input and output blocks.
C)  gate symbols with connecting input and output wires.
D)  interconnected series of blocks containing circuit schematics.E) A) and C)
F) A) and B)

Question 12

Each OCON must have at least one corresponding ICON.

Accepted Answer

A) True 
 B)False

Question 13

The acronym IREF stands for internal reference.

Accepted Answer

A) True 
 B)False  False

Question 14

The IREFs shown in the FBD:

Accepted Answer

A)  are used to send a value to an output device or tag.
B)  are used to receive a value from an input device or tag.
C)  must contain tags.
D)  both b and c.E) C) and D)
F) B) and D)

Question 15

For the FBD shown, the dash line indicates:

Accepted Answer

A)  no type of data are present.
B)  a Boolean value is present.
C)  an integer or real value is present
D)  a combination of data types are presentE) B) and C)
F) B) and D)

Question 16

The workplace of a FBD is known as a sheet.

Accepted Answer

A) True 
 B)False

Question 17

For the BAND function block shown:

Accepted Answer

A)  tag name for the block is placed above it.
B)  1 and 0 next to the inputs and output identifies their logical state.
C)  dots on the pins indicate BOOL type data is required.
D)  all of these.E) None of the above
F) A) and C)

Question 18

The acronym ICON stands for input connector.

Accepted Answer

A) True 
 B)False

Question 19

For the FBD shown, the solid line indicates:

Accepted Answer

A)  no type of data are present.
B)  a Boolean value is present.
C)  an integer or real value is present.
D)  a combination of data types are present.E) B) and C)
F) C) and D)

Question 20

With reference to IREF shown, if the pushbutton is momentarily actuated the data in the IPAGE:

Accepted Answer

A)  changes immediately.
B)  is latched in for one scan.
C)  executes immediately.
D)  executes after a delay of one scan.E) A) and B)
F) A) and C)

Exam 18: Function Block Programming

Add-on instructions are special purpose instructions that can be purchased and added to the instruction set.

Correct AnswerverifiedShow Answer

Function blocks contain non-executable code.

Correct AnswerverifiedShow Answer

Which element of a function block diagram represents a value from an input device that brings a value into a function block?

Correct AnswerverifiedShow Answer

The OREFs shown:

Correct AnswerverifiedD

Function block connections are made using wires and pins.

Correct AnswerverifiedShow Answer

The pins on the left of a function block are output pins, and those on the right are input pins.

Correct AnswerverifiedShow Answer

The acronym OREF stands for output reference.

Correct AnswerverifiedShow Answer

A Functional Block Diagram (FBD) is a ____ programming language.

Correct AnswerverifiedShow Answer

With reference to FBD, the wire connected between the DN and Reset pins:

Correct AnswerverifiedShow Answer

ICONs and OCONs:

Correct AnswerverifiedD

A sheet of a FBD consists of:

Correct AnswerverifiedShow Answer

Each OCON must have at least one corresponding ICON.

Correct AnswerverifiedShow Answer

The acronym IREF stands for internal reference.

Correct AnswerverifiedFalse

The IREFs shown in the FBD:

Correct AnswerverifiedShow Answer

For the FBD shown, the dash line indicates:

Correct AnswerverifiedShow Answer

The workplace of a FBD is known as a sheet.

Correct AnswerverifiedShow Answer

For the BAND function block shown:

Correct AnswerverifiedShow Answer

The acronym ICON stands for input connector.

Correct AnswerverifiedShow Answer

For the FBD shown, the solid line indicates:

Correct AnswerverifiedShow Answer

With reference to IREF shown, if the pushbutton is momentarily actuated the data in the IPAGE:

Correct AnswerverifiedShow Answer

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D

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D

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False

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