Logical Blocks

Boolean Fan Output (BFO) function block

The Boolean Fan Output (BFO) function block decodes a binary weighted input to individual bits and generates a discrete output value for each bit. The block supports signal status propagation. There are no modes or alarm detection in the Boolean Fan Output function block.

Figure: Boolean Fan Output (BFO) function block

IN_INT is the unsigned 32-bit binary weighted input value and status.

OUT_D1 through OUT_D[n] are the discrete output values and statuses (as many as 16 outputs) that represent the bit of the input.

The following figure shows the internal components of the Boolean Fan Output function block:

Figure: Boolean Fan Output function block schematic diagram