R911190085 REXROTH

6SC9811-4DA04
AB7000-C
SEL-G-5-AC-200.100.100.60B.60L
DS200LDCCH1ANA
1756-IRT8I
1760-L12AWA-NC
6SC9811-4CK02
MS-NAE5510-3
SC903-031-01
PS130/6-50-T-LSS-4421

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描述

值越大越好,它可使PLC系统得到充分的利用,是为什么要使用PLC的重要指标。而从上式可知,MTBF越大,MTTR越小,则A越大。所以,PLC的可靠措施都是围绕提高MTBF及MTTR值进行的。

鉴于可靠工作是PLC的重要特点,至关重要,故有关提高MTBF及降低MTTR的措施如何,以及PLC的MTBF与MTTR值也成为PLC性能的重要指标。

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