P0917XQ FOXBORO

DS200ADPBG1A1 GE
DS200CDBAG1B GE PLC
DS200CPCAG1A GE PLC
DS200DACAG1A GE PLC
DS200DCCAG4D GE PLC
DS200DCFBG1BI GE PLC
DS200DCPAG1A GE PLC
DS200DCVAG1A GE PLC
DS200DCVAG2A GE
DS200DDTBG2A GE

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描述

保证PLC控制系统能够长期安全、可靠、稳定运行,是设计控制系统的重要原则。这就要求设计者在系统设计、元器件选择、软件编程上要全面考虑,以确保控制系统安全可靠。例如:应该保证PLC程序不仅在正常条件下运行,而且在非正常情况下(如突然掉电再上电、按钮按错等),也能正常工作。

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