WorksheetsCH 11: PLC Compare, Jump, and MCR Instructions
Total questions: 1
Worksheet time: 22mins
What is the function of the jump (JMP) instruction in a PLC ladder logic diagram?
To skip over rungs
To add new rungs
To delete rungs
To duplicate rungs
What does the abbreviation "GEQ" represent in compare instructions?
Greater than or equal to
Less than
Equal to
Not equal to
Which abbreviation stands for "Greater than or equal to" in compare instructions?
LEQ
GEQ
EQU
NEQ
In compare instructions, what does "GEQ" stand for?
Greater than or equal to
Less than
Equal to
Not equal to
In the Greater Than (GRT) instruction, what must Source A be?
A number
A register
A string
A boolean
What must Source A be in a Less Than or Equal to (LEQ) operation?
A register
A number
A string
A boolean
What can Source B be in a Less Than or Equal to (LEQ) operation?
Only a register
Only a number
Either a register or a number
A string
In the context of LEQ, what does the acronym stand for?
Less Than or Equal to
Less Than or Equalized
Least Equal Quotient
Less Equal Quality
What must Source A be in a Greater Than or Equal to (GEQ) operation?
A number
A register
A string
A boolean
What is the primary use of a Limit Test (LIM) in a control system?
To set upper and lower boundaries
To increase system speed
To reduce power consumption
To enhance data storage
What is the primary use of Mask Equal (MEQ)?
To display bits after testing
To hide bits prior to testing
To convert bits into numbers
To store bits permanently
What can the mask be in Mask Equal (MEQ)?
Only a register
Only a number
A register or a number
A string or a file
What is the preset value for the counters in the diagram?
1000
500
2000
1500
What must a Jump (JMP) instruction have with the same assigned number?
Address
Label instruction (LBL)
PLC ladder logic diagram
If–then–else programming
How many jumps can a PLC ladder logic diagram have?
128
512
256
1024
What type of programming is the Jump (JMP) instruction used to formulate?
While loop programming
If–then–else programming
For loop programming
Switch case programming
What is the label used in the diagram for the jump instruction?
Q2:0
Q2:1
Q1:2
Q3:1
What is one area where conditional jumps can be used?
Weather forecasting
Process control for packaging and sorting
Financial analysis
Medical diagnostics
During a power outage, how is the PLC energized?
By solar panels
By wind turbines
By onboard battery or UPS system
By manual operation
What happens to instructions between JMP and LBL rungs?
They are executed
They are skipped
They are turned off
They are energized
