SIS system safety relay
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In the SIS system, is it necessary to configure safety relays for DI/DO?
DI/DO within the SIS system does not necessarily require the configuration of safety relays. Safety relays are primarily used to protect the safety of people and equipment, and are required in specific application scenarios. Whether a safety relay needs to be installed depends on the safety requirements and design standards of the SIS system. .
Last edited by hanhaigang128 on 2023-8-28 22:11: Configuration of SIS’ DI and DO outputs – safety relays with SIL certification
What is required by the design must be used; otherwise, it is very likely that the verification for the SIL circuit will not succeed