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WorksheetsLesson 7 Structuring a PLC Program
Total questions: 15
Worksheet time: 8mins
What is the purpose of an Allocation List in a PLC system?
To define the programming language used
To map inputs and outputs in the system
To create a user interface for the PLC
To store historical data of the PLC
Which of the following is an example of an input device in a PLC?
Temperature sensor
Solenoid
Light
Motor
In PLC addressing, what does 'I' represent?
Internal
Instruction
Input
Interface
What does the AND gate output when all inputs are 1?
0
Error
1
Undefined
Which addressing format groups inputs and outputs in bytes?
Hex-Addressing
Bit-Addressing
Word-Addressing
Byte-Addressing
What is the output of a NOT gate when the input is 1?
Error
Undefined
0
1
Which function is used to compare two binary numbers?
XOR
OR
NAND
AND
What is the first step in creating an Allocation List?
Assign addresses
Label devices
Identify all devices
Check compatibility
In Omron PLC addressing, what does 'M' indicate?
Motor control
Manual input
Memory or internal bits
Main module
What is the output of an OR gate if all inputs are 0?
1
Undefined
Error
0
Which of the following is a benefit of creating an Allocation List?
Improves system troubleshooting
Eliminates the need for documentation
Increases programming complexity
Reduces device compatibility
What does the NAND gate output when all inputs are binary 1?
Error
Undefined
0
1
Which logic function has only one input and one output?
OR
AND
XOR
NOT
What is the primary difference between hardwired and programmed logic?
Programmed logic requires no devices
Hardwired logic is more flexible
Programmed logic is fixed
Hardwired logic is changeable only by altering connections
What is the output of a NOR gate when all inputs are binary 0?
1
0
Error
Undefined
