Unication Messenger m90 Manual de usuario descargar pdf (Pagina 179)

100

101

Ladder

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According to the above example:

If MI 1 value is greater than the MI 3 value; then MB 51 will go to logic "1" (ON).

If MI 1 not greater than the MI 3 value; MB 51 will go to logic "0".

Less Than

The Less Than function block evaluates input A to see if its integer value is less than input

If input A is less than input B: power will flow through the function block.

If input A is not less than input B: power will not flow through the function block.

According to the above example:

If MI 1 value is less than constant integer 35; then MB 60 will go to logic "1" (ON).

If MI 1 value is not less than constant integer 35; MB 60 will go to logic "0" (OFF).

Not Equal

The Not Equal function block evaluates input A to see if its integer value is not equal to

input B.

If input A is not equal to input B: power will flow through the function block.

If input A is equal to input B: power will not flow through the function block.

Input Operands A & B must be integer values: MI, SI or # constant integer value.

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