Deck 20: Controllogix Controllers - Part 6 - Function Block Programming

Question 1

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 1

D

Question 2

The acronym IREF stands for internal reference.

Answer 2

False

Question 3

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.

Answer 3

D

Question 4

Each OCON must have at least one corresponding ICON.

Question 5

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 6

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 7

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

Question 8

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 9

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

Question 10

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

Question 11

Function block connections are made using wires and pins.

Question 12

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

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

Question 13

The workplace of a FBD is known as a sheet.

Question 14

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

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

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 17

The acronym ICON stands for input connector.

Question 18

Function blocks contain non-executable code.

Question 19

The acronym OREF stands for output reference.

Question 20

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 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.