SIL 2 and SIL 3 are the most common safety integrity levels required in machine and process safety applications, making the GuardLogix controller ideal for a wide range of safety applications.

• SIL2和SIL3是机械和过程安全应用中要求的最普遍安全完整性等级，使得GuardLogix控制器成为众多安全应用的理想选择。