CODESYS Development System
_BASE VAR_INPUT input [...] _4 : INT; END_VAR VAR [...] _4 : BOOL; END_VAR
CODESYS Development System
PLC_PRG VAR inst : FB; END_VAR inst(1); FUNCTION_BLOCK FB VAR
CODESYS Development System
示例: PROGRAM PLC_PRG VAR inst : FB; END_VAR [...] FB_exit VAR
CODESYS Development System
: INT VAR_INPUT END_VAR [...] Packed : DINT VAR_INPUT by1: BYTE; END_VAR VAR by
CODESYS Development System
的错误原因 :功能块实例的初始化不能包含 VAR_IN_OUT 变量。 错误修正 : 利用 VAR [...] : FUNCTION_BLOCK MyFB VAR
CODESYS Development System
示例: PROGRAM PLC_PRG VAR inst : FB; END_VAR [...] FB_exit VAR
CODESYS Development System
_PRG VAR j : INT := g_i; END_VAR GVL1: VAR_GLOBAL g_i : INT; END_VAR
CODESYS Development System
的错误原因 :声明关键字(例如: VAR_INPUT , VAR_OUTPUT , 或者 VAR [...] VAR_INPUT member
CODESYS Development System
PLC_PRG VAR fb : FB; END_VAR FUNCTION_BLOCK FB EXTENDS FB2 VAR
CODESYS Development System
> := <initial value> ; END_VAR <scope> : VAR | VAR_INPUT | VAR_STAT | VAR