1756-L73S A-B 逻辑关系

EMERSON IPMC7616E-002
FANUC A06B-6290-H207
A-B MVI56E-MNETC
EMERSON IPMC7616E-002
EMERSON IPMC7616E-002
EMERSON IPMC7616E-002
ATOS AGMZO-REB-P-NP-32/315
SCHNEIDER 140CPU65150
ABB LDMUI-01
RELIANCE MD-B6027C
A-B 1756-L71
ABB CI858K01
BENTLY NEVADA 3500/33
A-B 22C-D088A103
HONEYWELL 51198947-100
PROSOFT MVI56-MCMR

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描述

因此,可以编制一些常见故障的异常逻辑关系,一旦异常逻辑关系为ON状态,就应按故障处理。例如某机械运动过程中先后有两个限位开关动作,这两个信号不会同时为ON状态,若它们同时为ON,说明至少有一个限位开关被卡死,应停机进行处理。

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