EndUserLibrary (Bool) := True |

ContainerLibrary (Bool) := True . A [...] InterfaceLibrary (Bool) := True . [...] EndUserLibrary (Bool) := True

on BOOL vairables Yes [...] are detected, such as “IF xBool

is established xActive : BOOL

LeapYear : BOOL VAR

ContainerLibrary (Bool) := True must [...] ContainerLibrary (Bool) := True must [...] InterfaceLibrary (Bool) := True must

TYPE_BOOL := DWORD

PLCopen \ MC_WriteBool [...] PLCopen \ MC_ReadBool