Exam 15: Comparison Instructions

The ControlLogix comparison instruction for testing two limits to determine if they are within a predetermined range is the ____________________ instruction.

When source A and source B are tested using the LES instruction, the instruction will be true if A is equal to B.

The compare instruction used to perform a simple comparison, e.g., Counter_A.ACC>Data, is performed faster and consumes less memory than using the greater than instruction.

The CMP instruction can be used to evaluate two ASCII strings. What does it mean for two strings to be equal?

Comparison instructions are input instructions that test two values to determine whether the instruction is true or false.

Provide a description for the LEQ instruction.

To test whether values are within or outside of the specified range use the ____________________ instruction.

Provide an example of operator-entered data where the LIM instruction could be applied.

Programming the limit test instruction consists of entering three parameters: low limit, test, and high limit.

The GRT instruction determines whether one source of data is greater than or equal to another.

The ____________________ instruction is an input instruction used to test two values for inequality.

List six operators that can be used with the compare instruction.

When using comparison instructions, source A must be a tag, whereas source B can be a tag or a(n) ____________________.

What are the two steps in programming the equal instruction?

If you want to program an expression using comparison operations, use the ____________________ instruction.