| AIO288 除了要符合等级1的要求外，还必须要做到在机器的控制系统中能够对安全控制系统进行测试，在机器启动时和在危险状态出现前，必须对安全功能进行测试。在危险性分析和运行方式显示有必要时，还可在运行中定期进行测试。只有测试正常，才能启动机器或使机器持续运行，测试本身不会导致危险状态，一旦检测到故障，必须输出一个信号使相应的控制系统产生作用，同时必须能维持安全状态直至故障排除。测试装置可以是单独的，也可以是安全系统的一部分。
3级
1级+自检功能，单一故障导致安全保护功能的丧失，故障的积累可能会导致保护功能的丧失—双通道设计。
AIO288 公司的理念是帮助您！
→降低您的维护成本！
→延长控制系统寿命！
→以帮助支持现有的控制系统!
→提供嵌入式系统备件!
→各种大型进口DCS系统备品，备件。
→专注于停产的控制系统零部件领先地位！
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AIO288
App FAS3050C CIFS NFS ISCSI CLUSTER 24TB DS14MK4
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