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INVENSYS TRICONEX 3721 Analog Input Module

If a PHA (process hazard analysis) concludes that an SIS is required, ANSI/ISA S84.01 and IEC 61508 require that a target SIL be assigned. The assignment of a SIL is a corporate decision based on risk management and risk tolerance philosophy. Safety regulations require that the assignment of SILs should be carefully performed and thoroughly documented.

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Xiamen ZheXun Electric Automation Co., Ltd.

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