I/O EXPANSION DEVICE, AND CONTROL SYSTEM

An I/O expansion device having high reliability and a low cost and a control system thereof are provided. According to one embodiment, setting data is input into the I/O expansion device from the outside so that ports are distributed. The device is provided with a storage part storing the setting da...

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Bibliographische Detailangaben
1. Verfasser:	NAKAMURA YOSHIHITO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	CONTROL OR REGULATING SYSTEMS IN GENERAL CONTROLLING FUNCTIONAL ELEMENTS OF SUCH SYSTEMS MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS ORELEMENTS PHYSICS REGULATING
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Beschreibung
Zusammenfassung:	An I/O expansion device having high reliability and a low cost and a control system thereof are provided. According to one embodiment, setting data is input into the I/O expansion device from the outside so that ports are distributed. The device is provided with a storage part storing the setting data as stored data; and a comparison circuit for outputting an abnormality signal when the input setting data is different from the stored data in the storage part. 一种可靠性高且成本低的I/O扩展装置及控制系统。实施方式的I/O扩展装置通过被从外部输入设定数据，从而其端口被分配。上述I/O扩展装置具备：保持部，保持上述设定数据作为保持数据；以及比较判定电路，在被输入的上述设定数据与保持在上述保持部中的上述保持数据不同的情况下，输出异常标志。