Math Blocks > Arithmetic function block

Arithmetic function block status handling

IN_x Use Bad

IN_x Use Uncertain

IN_LO Use Uncertain

IN Use Uncertain

If the status of IN is unusable and IN_LO is usable and less than RANGE_HI, then G will be set to zero. (For a definition of G, refer to the Block Execution - Arithmetic Function Block topic.) In each case, the PV will have a status of Good until the condition no longer applies. Otherwise, the status of IN_LO is used for the PV if G is less than 0.5, while IN is used for G greater than or equal to 0.5.

The status of PRE_OUT is the worst status of PV and the other inputs after applying INPUT_OPTS. The status of OUT is the status of PRE_OUT when the mode is Auto.