Logic Function

You perform logical functions in U90 Ladder by using logic function blocks. Function blocks are provided for:

The internal operation of a function block is transparent to the user. You input the two operands. The result is automatically output by the function block

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.

Related Topics

Placing a Function Block

Placing Contacts & Coils

Ladder Elements

Operands