CalcRootLin (FB)

FUNCTION_BLOCK CalcRootLin

By use of this function block the root of a linear function with , if there is one, will be calculated.

InOut:

Scope Name Type Comment Input lrParam1 LREAL gradient of straight line (corresponds to ) lrParam0 LREAL height at which line cuts the vertical y-axis (corresponds to ) Output byRoots BYTE number of roots 0: If line is parallel, but not identical to horizontal x-axis | 255: If line is identical to x-axis 1: Else lrRoot LREAL root