Unication Messenger m90 Bedienungsanleitung PDF herunterladen (Seite 184)

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U90 Ladder Software Manual

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The OR logic function block can evaluate the state of two integers to see if either input A or

B is true. If input A OR B is true - the output C will be true (logic 1). If both input A and B are

true (logic 1) - the output C will also be true (logic 1).

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

Output Operand C may be a Memory Integer or a System Integer.

XOR

The XOR logic function block can evaluate the state of two integers to see if input A and B

are equal. If either input A OR B is true - the output C will be true (logic 1). If both input A

and B are true (logic 1) - the output C will be false (logic 0). If both input A and B are false

(logic 0) - the output C will be false (logic 0).

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