Deck 13: Memory and Project Organization

Question 1

More than one task can execute at a time.

Answer 1

False

Question 2

Scope refers to which programs have access to a tag.

Answer 2

True

Question 3

The internal memory organization of a ControlLogic (CLX) is fixed and is automatically configured when beginning a project.

Answer 3

False

Question 4

A CLX project is the overall complete application.

Question 5

A CLX controller can hold and execute several projects at a time.

Question 6

It is possible to use different programming languages within any one routine.

Question 7

RSLinx software is used to set-up a communications link between programming software and PLC hardware.

Question 8

ControlLogix controllers use a rack/slot based addressing structure.

Question 9

Each folder of the controller organizer tree groups common functions together.

Question 10

Logic is written in routines.

Question 11

A routine in CLX is similar to the program in most other PLCs.

Question 12

Only one task may be executing at any given time.

Question 13

A continuous task executes anytime a periodic or event-based task is not executing.

Question 14

Unscheduled programs can be downloaded to the controller but remain unscheduled until needed.

Question 15

Periodic tasks function as timed interrupts.

Question 16

Programs execute in the order in which they are displayed in the controller organizer under their task.

Question 17

A task contains an executable code.

Question 18

The lowest priority task execution is periodic.

Question 19

An application can be broken into a number of tasks.

Question 20

CLX modules will not work unless they have been properly configured.

Question 21

The CLX timer instruction is an example of a predefined structure.

Question 22

A controller scope tag consists of data that is accessible by all routines within a controller.

Question 23

DINT type tags can be used to hold binary integers.

Question 24

The scope of a tag must be declared when you create the tag.

Question 25

An array can have up to three dimensions.

Question 26

When you add I/O modules to a project a number of defined tags are automatically created.

Question 27

BOOL type tags can be used to hold binary numbers up to 16 digits long.

Question 28

I/O tags are automatically created as controller scope tags.

Question 29

The memory organization of a ControlLogic (CLX) controller:

A)has fixed areas of memory for specific types of data.
B)has fixed areas of memory for inputs and outputs.
C)uses a flexible memory structure with no areas allocated for specific types of data.
D)both a and b.

Question 30

Controller scoped tags consist of data that can only be accessed by the routine within a single program.

Question 31

The ____ is the network browser interface which provides a single window to view all configured network drivers.

A)RSLogix programming software
B)RSLinx
C)RSWho
D)all of these

Question 32

A structure-type tag can only hold data of the same type.

Question 33

Configuration of a modular CLX system involves:

A)establishing a communications link between the controller and the process.
B)identifying the type of processor used.
C)identifying the type of I/O modules used.
D)all of these

Question 34

Program scoped tags are available to all programs in a project.

Question 35

A project ____.

A)is not required in a CLX application
B)contains all the information related to the CLX application
C)contained in the task in a CLX application
D)is executed based on an event

Question 36

Elements of an array can be made up of different data types.

Question 37

What are the major components of a project?

A)Main Routine, Subroutine, and Fault Routine.
B)Continuous Tasks and Periodic Tasks.
C)Tasks, Programs, and Routines.
D)all of these.

Question 38

An array occupies a continuous block of multiple pieces of data.

Question 39

Arrays are similar to tables of values.

Question 40

A tag is a meaningful name for a memory location.

Question 41

A routine is:

A)a set of logic elements for a specific programming language.
B)where the programmer writes the executable code for the project.
C)specified as ladder logic, sequential function chart, function block, or structure text.
D)all of these.

Question 42

Each folder of the controller organizer tree is expanded by:

A)clicking on the + sign in front of the folder.
B)clicking on the - sign in front of the folder.
C)placing the controller in the Run mode.
D)placing the controller in the Program mode.

Question 43

A SINT base tag uses ____-bits of memory.

A)8
B)18
C)32
D)64

Question 44

Which type of tag can only be accessed by routines within a specific program?

A)Base tag
B)Alias tag
C)Program scope tag
D)Controller scope tag

Question 45

An event task is triggered:

A)automatically.
B)by an event that happened.
C)by an event that failed to happen.
D)either b or c.

Question 46

A continuous task:

A)executes non-stop.
B)is always interrupted by a periodic task.
C)has the lowest priority.
D)all of these.

Question 47

ControlLogix controllers use ____ to refer to memory locations.

A)numbers
B)tags
C)routines
D)predefined data tables

Question 48

The RSLogix 5000 Controller Organizer:

A)is a tree style presentation of the entire project.
B)simplifies the navigation and the overall view of the whole project.
C)presents all the information about the programs, data and I/O configuration of the current project.
D)all of these.

Question 49

Logix controllers are based on ____-bit operation.

A)8
B)18
C)32
D)64

Question 50

The type of data structure shown would be classified as a ____ type.

A)predefined
B)module-defined
C)user-defined
D)strictly-defined

Question 51

An ____ tag is one whose value is received from another controller.

A)base
B)alias
C)consumed
D)produced

Question 52

An ____ tag refers to a memory location defined by another existing tag.

A)base
B)alias
C)consumed
D)produced

Question 53

An ____ tag defines a memory location where data is stored.

A)base
B)alias
C)consumed
D)produced

Question 54

A task is a ____.

A)scheduling mechanism for executing programs
B)file that stores the logic for a controller
C)file that stores the data for a controller
D)file that stores the configuration for a controller

Question 55

Which routine is configured to execute first when the program runs?

A)Fault
B)Subroutine
C)Main
D)Start

Question 56

An ____ tag is one that the controller makes available for use by one or more other controllers.

A)base
B)alias
C)consumed
D)produced

Question 57

A structure type tag:

A)is a grouping of different data types.
B)functions as a single unit.
C)is made up of members.
D)all of these.

Question 58

The type of data structure shown would be classified as a ____ type.

A)predefined
B)module-defined
C)user-defined
D)strictly-defined

Question 59

Which routine is configured to be called by another routine?

A)Fault
B)Subroutine
C)Main
D)Start

Question 60

The type of data structure shown would be classified as a ____ type.

A)predefined
B)module-defined
C)user-defined
D)strictly-defined

Question 61

Which of the following pieces of information is not optional when defining a tag?

A)Tag name
B)Tag type
C)Tag description
D)Data type

Question 62

An array type tag can:

A)hold only one type of data.
B)hold more than one type of data.
C)hold up to 100 values.
D)only be used in the main program.

Question 63

The illustration shown is an example of a ____ dimensional array.

A)1
B)2
C)3
D)4

Question 64

Tags are created in a CLX controller:

A)using the tag editor before your program is entered.
B)by entering tag names as you program.
C)by using question marks in place of tag names and assigning names later.
D)any of these.

Question 65

The window shown is an example of an ____ tag window.

A)new
B)monitor
C)edit
D)define