_VAR FUNCTION_BLOCK FB
_instance_in_retain'} 插入位置:上方的行 FUNCTION
_VAR FUN(); FUNCTION FUN
_1(); FUNCTION POU_1 VAR
(); FUNCTION POU IMPLEMENTS
FUNCTION_BLOCK FB [...] Counter : INT := 0; // Counts [...] ..2] OF INT := [0
_VAR 功能块的实现: FUNCTION
_VAR Test().2; FUNCTION
_VAR FB(); FUNCTION