Deck 18: Function Block Programming

Question 1

Similar to Ladder Logic Programming, Functional Block Diagram (FBD) programming uses power rails.

Answer 1

False

Question 2

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

A)textual
B)contact and coil
C)graphical
D)schematic

Answer 2

graphical

Question 3

The OREFs shown:

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.

Answer 3

both a and c.

Question 4

A sheet of a FBD consists of:

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.

Question 5

Function block connections are made using wires and pins.

Question 6

The workplace of a FBD is known as a sheet.

Question 7

The acronym ICON stands for input connector.

Question 8

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

Question 9

For the BAND function block shown:

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.

Question 10

For the FBD shown, the dash line indicates:

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

Question 11

The IREFs shown in the FBD:

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.

Question 12

The acronym IREF stands for internal reference.

Question 13

Each OCON must have at least one corresponding ICON.

Question 14

Function blocks contain non-executable code.

Question 15

For the FBD shown, the solid line indicates:

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.

Question 16

ICONs and OCONs:

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 these

Question 17

The acronym OREF stands for output reference.

Question 18

Wire connectors are used to create a signal path without using a wire.

Question 19

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

Question 20

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

A)Wire
B)Function Block
C)Output Reference
D)Input Reference

Question 21

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

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

Question 22

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

A)represents a DINT signal path.
B)creates a feedback loop.
C)establishes data latching.
D)all of these.