PLC Flashcards

(58 cards)

1
Q

Which of these values placed in source A will cause M1 to turn on when PB1 is pressed
momentarily?

A

9 or subtract 2 numbers

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2
Q

Which sentence file connects PLC Program logic to graphics text, and function keys?

A

PLC Project

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3
Q

What are software programs called that allow a device to connect to a network and
communicate with other devices?

A

Drivers

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4
Q

A PLC and a PC are connected M this type of network if a single ethernet cable is used to
connect their Ethernet parts?

A

IP addresses are made different

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5
Q

Which type of instruction operates just like an output, except that it does not directly
control a PLC output?

A

Output instructions with relative address

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6
Q

What step do PLC Scan cycles perform after checking the status of inputs and solving
program logic?

A

Turn outputs on or off

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7
Q

What is the value contained in the RESULTS tag?

A

6

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8
Q

What type of instructions are used to make decisions and control operations based on
the values of data in the PLC program?

A

Comparison instructions

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9
Q

In which mode does a programmable controller scan the ladder logic program and set
output on or off?

A

RUN

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10
Q

In the logic diagram what input conditions will cause M1 to turn on?

A

True or False

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11
Q

Where does the application file reside, which contains the screens and screen objects
displayed to the operator at the HMI terminal?

A

HMI Memory

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12
Q

What does an operator interact w. On an HMI panel to monitor process and make
adjustments to keep the process running?

A

Object

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13
Q

What device is used to configure an HMI’s panel IP Address?

A

USB

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14
Q
  1. What is the next step to enter ladder logic after the program’s editor has been opened
    and an empty rung is in its place?
A

Add Instruction

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15
Q

What file defines the address of discrete input modules input terminals?

A

I/O or device configuration file in this model

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16
Q
  1. In this model, what is the status of motors M1 and M2 if PB1 and PB3 are pressed?
A

M1 on, M2 on

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17
Q
  1. Pressing the E-stop button on a PLC’ master control relay circuit causes power to be
    removed from what components?
A

Output Module

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18
Q

If a controller has no configured IP address, what type of connection can be used to
configure the controllers IP?

A

USB

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19
Q

What function do the NC contact instructions serve that are identified in the reversing
motor control program shown?

A

Interlock

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20
Q
  1. Which of the following is a quick method to verify that the programmable controller
    itself is operating correctly?
A

RUN Solid Green Light

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21
Q

If a 24vdc PLC input module uses sinking- type (active high) inputs, what applied voltage
level would cause the input to turn on?

A

+24V

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22
Q

What software configuration element identifies the actual physical location of a input
terminal of a PLC input module?

A

The absolute address

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23
Q

What function does SS1 enable in this program when in the left position?

A

Jog Mode

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24
Q
  1. What is the valve in the destination file integer 0 if pb1 is pressed 4 and PB3 3 times?
A

12 or 0 (Apparently Amatrol hasn’t fix this answer) or 21 because PB4 is never pressed

25
What device is used to configure an HMI's panel IP Address?
MHI Onboard Software
26
What term is used to describe these functions in PLC programming: adding and removing instruction, changing logic or changing addresses?
Edit
27
What network configuration settings must be configured correctly to enable communication between PLC and PC?
Point to Point
28
Which IP Address? Question related with IPs Addresses (Remember the last digits after the dots has to follow a sequence)
192.--. 15
29
What is a collection of files that includes a PIC ladder logic program, hardware configurations and other settings?
Project
30
Which of these wiring connections are required to wire a limit switch to input 3 of the sinking input modules?
C to A, B to G and H to D (CABGHD)
31
What is each group of digits called?
Octet
32
What is the common method of interfacing a motor to a PLC output?
Motor Contactor
33
What are steps 1 and 2 of the sequence?
Cylinder 2 extends then cylinder 1 extends
34
What PLC program is used for complex math formulas?
Compute (CPT)
35
What is the trigger for a time driven sequencing process to move to the next?
Done Bit
36
What number line is used to connect the solenoid to the output terminal?
4 or closest to diamond
37
Pump 1 and the mixer motor 15 secs after P1 has been momentarily pushed and the time base for the timer is 1 seconds?
Pump on/ motor off
38
What is the trigger (input device) for a timer driven sequencing process to move to the next step in the sequence?
Limit Switch
39
This kind of software automatically is used when a software is unnecessary for connection?
USB
40
Communication between two machines is called?
A handshake
41
What can a PLC not do?
It cannot drive a CNC machine
42
In a six-step process when troubleshooting if you go to 6 step what is your next step after?
None, you are done
43
Which of the following input conditions will output M1 turn on
PB1 False, PB2 True, PB3 False (FTF)
44
Which of the following instruction types operates just like instruction, except that it does not directly control a PLC Output?
Output instruction with memory bit address
45
Which of the following files defines the addresses of a discrete input module’s input terminal Which file are the inputs and outputs located?
I/O File device configuration file
46
What function do reverse and forward contact instructions serve are identified in the reversing motor control program shown?
Interlock
47
Which of the following of the following elements the actual physical location of an input terminal on a plc input module
Absolute Address label
48
Which of the following configuration setting must be configured correctly to enable communication between a PLC and a PC?
IP Address and Subnet
49
Which of the following memory is arranged to store 32-bit words?
DINTs
50
What is the output of a comparison instruction?
True or false output
51
The IP Addresses of a PC-PLC point-to-point connection will be
Different IP Addresses
52
Which of the following timer bits triggers driven sequence process to move to the next step in the sequence?
Timer DN Done bit
53
Which of the following math commands is used to solve complex math formulas?
Compute (CPT)
54
What PLC program instruction is used to make decision and control operations based on the values of data in the program?
Comparison
55
Similar question but different values (FIND THE LOGIC)
8
56
A JMP instruction must always be used with a(n) _____ instruction.
LBL
57
On a modular-type PLC, which of these methods is NOT a way to determine the on/off status of a sensor input?
View input indicator on processor module
58
Which outputs in this program will be on?
Output 2