变量。 错误示例: PROGRAM PLC
示例: PROGRAM PLC_PRG VAR
415 . 错误示例: PROGRAM
示例: PROGRAM PLC_PRG VAR fb
PROGRAM PLC_PRG VAR dw
. 错误示例: PROGRAM PLC
332 . 错误示例: PROGRAM
示例: PROGRAM PLC_PRG VAR END