1. A(n). is a device with a keypad that is used to write and enter a user-developed control program into a PLC. 2. is the length of time a PLC can tolerate a power loss without affecting operation. 3. A(n) is a separate keypad device that is not an integral part of a PLC.

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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176
PROGRAMMABLE LOGIC CONTROLLERS PRINCIPLES AND APPLICATIONS
4.
5.
6. A(n) is a group of 4 bits.
7.
is the maximum number of programming instructions a CPU can hold.
is a chip inside a CPU that stores data at specific addresses.
Multiple Choice
is the section of the operating cycle during which a PLC communicates with other
devices, such as handheld programmers or PCs.
8. The
is the section of the PLC that houses the processor (brain) of the PLC.
9.
is the physical configuration used to connect the components of a PLC into a housing
is a PLC that has a variable number of I/O terminals based on the number of
10. A(n)
cards or modules placed into a chassis or rack.
1. Which of the following is NOT a PLC size classification?
A. large
B. micro
C. medium
D. small
2. Which of the following is NOT a component that a PLC would typically control directly
A. control relay
B. pilot light
C. motor starter
D. motor
3. Which of the following units is the smallest unit of memory?
A. bit
B. byte
C. nibble
D. word
4. Which of the following is NOT a section common to all PLCs?
A. programming device
B. expansion chassis
C. central processing unit
D. power supply
5. Which of the following is NOT used to program PLCs?
A. human machine interface
B. handheld programming device
C. integrated programming device
D. digital interface autopanel
Transcribed Image Text:176 PROGRAMMABLE LOGIC CONTROLLERS PRINCIPLES AND APPLICATIONS 4. 5. 6. A(n) is a group of 4 bits. 7. is the maximum number of programming instructions a CPU can hold. is a chip inside a CPU that stores data at specific addresses. Multiple Choice is the section of the operating cycle during which a PLC communicates with other devices, such as handheld programmers or PCs. 8. The is the section of the PLC that houses the processor (brain) of the PLC. 9. is the physical configuration used to connect the components of a PLC into a housing is a PLC that has a variable number of I/O terminals based on the number of 10. A(n) cards or modules placed into a chassis or rack. 1. Which of the following is NOT a PLC size classification? A. large B. micro C. medium D. small 2. Which of the following is NOT a component that a PLC would typically control directly A. control relay B. pilot light C. motor starter D. motor 3. Which of the following units is the smallest unit of memory? A. bit B. byte C. nibble D. word 4. Which of the following is NOT a section common to all PLCs? A. programming device B. expansion chassis C. central processing unit D. power supply 5. Which of the following is NOT used to program PLCs? A. human machine interface B. handheld programming device C. integrated programming device D. digital interface autopanel
Completion
1. A(n).
is a device with a keypad that is used to write and enter a user-developed
control program into a PLC.
2.
is the length of time a PLC can tolerate a power loss without affecting operation.
is a separate keypad device that is not an integral part of a PLC.
3. A(n)
175
Transcribed Image Text:Completion 1. A(n). is a device with a keypad that is used to write and enter a user-developed control program into a PLC. 2. is the length of time a PLC can tolerate a power loss without affecting operation. is a separate keypad device that is not an integral part of a PLC. 3. A(n) 175
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