SIS function blocks > SIS Logical Blocks

Logic Solver AND function block

The LSAND function block generates a discrete output value based on the logical AND of two to sixteen discrete inputs. The block supports signal status propagation. There are no modes or alarm detection in the LSAND function block

Figure: LSAND Function Block 

IN_D1 through IN_Dn are the discrete input values and statuses (as many as 16 inputs).

OUT_D is the discrete output value and status.

The following diagram shows the internal components of the LSAND function block.

Figure: LSAND Function Block Schematic Diagram