Exam Law and Business exam 2024 with 100 correct answers
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Course
NU1426
Institution
NU1426
Exam Law and Business exam 2024 with 100% correct answers
What are the major parts of a plc?
Architecture
Open architecture
Closed architecture
Fixed I/O
Modular I/O
Power supply
CPU or processor
PLC scan cycle
I/O (Input/Output) system
I/O (Input/Output) system
Programming device
Per...
EXAM ACTUAL EXAM 154 QUESTIONS AND
CORRECT DETAILED ANSWERS WITH
RATIONALES (VERIFIED ANSWERS) |ALREADY
GRADED A+
1). What are the major parts of a plc?
Ans: The CPU, I/O, power supply, and programming device
2). Architecture
Ans: Refers to PLC hardware or software
3). Open architecture
Ans: Allows the system to be connected easily to devices and programs made by
other manufacturers
4). Closed architecture
Ans: A system whose design is proprietary making it difficult to connect to other
systems
5). Fixed i/o
Ans: Small PLC that comes in one package with not separate removable units. The
processor and I/O are packaged together
6). Modular i/o
Ans: A PLC that is divided by compartments into which separate modules can be
plugged
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, 7). Power supply
Ans: Provides DC power to all modules that plug into the rack
8). Cpu or processor
Ans: A microprocessor for implementing the logic and controlling the
communications among the modules
9). Plc scan cycle
Ans: Reads inputs -> executes program -> diagnostics & communication -> updates
outputs
10). I/o (input/output) system
Ans: Forms the interface by which field devices are connected to the controller.
11). I/o (input/output) system
Ans: Forms the interface by which field devices are connected to the controller
12). Programming device
Ans: Used to enter the desired program into the memory of the processor
13). Personal computer (pc)
Ans: The most commonly used programming device
14). Program
Ans: A series of instructions that directs the PLC to execute actions
15). Relay ladder logic
Ans: The standard programming language, is based on electromagnetic relay control
16). Address
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, Ans: Where an input or output device is conncected
17). Pc vs plc
Ans: PLC is designed to operate in the industrial environment with wide ranges of
ambient temperature and humidity
18). Human machine interface (hmi)
Ans: Software that allows the user to monitor and control the process
19). Programmable automation controllers (pacs)
Ans: Combine PLC ruggedness with PC
functionality
20). Nano
Ans: Smallest size with less than 15 I/O
21). Micro
Ans: 15-128 I/O
22). Medium
Ans: 128-512 I/O
23). Large
Ans: Over 512 I/O
24). Single ended application
Ans: One PLC controlling one process
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