1734-AENTR AB 自诊断检查

TRICONEX DO2401
SCHNEIDER AS-H827-103
A-B 1746-A13
AB 1771-A4B
YASKAWA SGM-01L3B4L
A-B 1606-XLE240E
YASKAWA SGMAH-A5A1A-YB11
A-B 1746-P2
Honewell CC-TDOB01
FESTO VIGA-03-FB-4-5P0L 175641
A-B 1791DS-IB12
A-B 1791DS-IB12
A-B 1791DS-IB12
A-B 1756-DNB
A-B 1756-A17
SCHNEIDER 140DDI84100

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Description

PLC每扫描一次执行一次自诊断检查,确定PLC自身的动作是否正常,如电源检测、内部硬件是否正常、程序语法是否有错等。如检查出异常时,CPU面板的LED及异常继电器会接通,在特殊寄存器中会存入出错代码;CPU能根据错误类型和程度发出信号,

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