PLC Review-Sizemore

What are the basic operations of a PLC

Ethernet/IP uses the CIP protocol to produce a network suitable for use on ________

When the JMP instruction is true, all program logic between it and the LBL instruction is ______ in its last state

When the TOD instruction is __ the timer increases the accum value by the amount of time the instruction is de-energized

The _____ instruction requires a separate RES instruction to reset its accumulated value

A PLC uses logic to cause each sequence step to occur by turning _______ devices on or off

A variable speed drive (VSD) _______ controlled by a PLC

A _______ is used to drive a motor at speeds that vary from zero to a maximum speed using digital or analog control sign

Problems with identifying a controller firmware revision by examining its catalog label is that the revision indicated _

The PLC output diagram should include the ______ contacts of the motor starter if applicable

A ________ is a program that can be called by another routine

Each element of an array has the same name and is identified by a ________

What are the three network levels?

PLC programs can use timers as well as _______ to sequence events.

In a PLC program, arranging two _____ instructions in a series is an example of an AND logic element

___________ is embedded operating system that controls how microprocessor - controlled hardware devices operate

In a _______ sequence program , the start and stop inputs directly control the output

CompactLogix I/O modules are intelligent devices meaning they have on-board ________

Retentive timer accumulates the total amount of time the instruction has been energized and _ the value when deenergized

The first scan flag tag name is ____

The main routine may contain all of the program's logic or it may contain instructions that call other routines called _

A tag structure contains _______

An industrial network is a high speed communications connection used to exchange data between _______________

To create a tag, the user must display the _________ and enter the tag's parameters

In the ___________ program, the start and stop pushbuttons control an internal coil which starts and stops the sequences

Ethernet TCP/IP uses several protocols to convert data from its native format to a format that can be ____________

The timer on delay timer instruction energizes its DN bit after its accumulated value is ________ its preset value

Stop pushbuttons are always normally _____ contacts

When voltage is applied to input terminal Local:1I.Data.0 of a PLC, ____________

Input instructions having output address function as dictated by the state of the _____ output instructions

A ___ lets you determine how the machine actions affect the PLC inputs and how the PLC outputs affect the machine action

The file extension given to a Studio 500 project is _______

All devices that communicate with the controller must be added to the controller project's ___________

_ is stored in the control project and transferred to the processor the next time the project is download to the control

The count up instruction decreases the accumulated value by 1 each time the rung containing the instruction goes from __

What are the two addresses used for ethernet communications

The ____ instruction is a program control instruction that causes the processor to run a subroutine

Most automatic machines are designed with _ type/s of stops to meet various situations where a machine should be stopped

The _____ instruction of a ladder logic network operates in a similar manner to a hard -wired output device

The 1769 -L16Er controller's USB port is ISB 2.0 compatible and operates at ______

In the module tag Local :1I.Data , ______ refers to the module's location

Two main areas of a CompactLogix processor's memory are ________

The _______ view is the area that displays the ladder logic for the routine

_______ are software programs that allow a device to connect to a network and communicate with other devices

Place input/output diagrams are used to show the specific physical connections between the ___ and the PLC I/O terminals

One advantage of a PLC is that it permits many instructions to be controlled by one ______

The binary numbering system is a base 2 numbering systems that includes two symbols, ______

_____ control is a closed loop control method that is commonly used in PLC programming

Boolean tags are ___ bit memory locations used to store the status of a device or instruction

A programmable controller's outputs can control _______________

A _______ is a file that contains a hardware configuration and control program

The manual mode is useful for _________ a machine, because doing so in automatic mode would be dangerous

To enter a CTUD counter instruction, both the CTU and the CTD instructions must have __________

The __ instruction increase its accumulated by one each time the rung containing the instruction goes from false to true

A MCR instruction that is used with the first scan flag can also be used to __________

All _____ must have an user-developed project to operate

On/off controllers ______ provide steady output current or voltage to regulate the process

A counter's done (DN) bit is set whenever the accumulated value is _________ than the preset value

How does PLC seal-in-logic work?

PLC time driven sequencing programs can be designed by using a series of _________

Tags are text-based names given to PLC memory locations used to ________

PLCs provide a means of controlling machines and other industrial application with a/an ____________

The six basic components of _ is power supply, I/O modules, processor module, the programming device and the I/O chassis

Using the ___ automatically identifies the controller's firmware revision and launches the correct version of Studio 500

Two applications of internal output instructions are ____________

______ displays networks and devices in a similar manner to windows explorer

A PLC and ____ are connected in a point-to-point network using a single ethernet cable

The data type defines the size in _________ that a tag will use in memory

A PC is used to download hardware configurations and programs to a ____

A MCR zone uses ______ MCR coils

A PLC requires much ______ space than a hardwired relay panel that could do the same job

__________ instructions alter the program scan of a PLC from its normal sequence

The first scan flag is often used in applications to initialize a program to a known state on power up or the _______

Multiple safety interlocks can be used in a program by placing input instructions in _______ with each other on a rung

Initializing a PLC program puts all the ___ in startup state and checks inputs to verify that the process can be restart

The base of the decimal numbering system is _____

A JMP instruction must always be used with a ___ instruction

The __________ dialog is used to name the controller and configure various aspects of its hardware

What does the halt function do?

What are two applications in which interlocks are used

The normal operating mode of machines is the _______ mode

_______ displays networks and devices in a similar manner to windows explorer