A safety module option is now available for Mitsubishi Electric's MELSEC iQ-R PLC which is said to provide the performance and integrity of a separate safety PLC but without the added cabinet space. The iQ-R is suited to use in many demanding, mission-critical applications, in addition to more conventional process control applications. To deliver safe and robust operation in both low and high-risk applications controllers must address some specific safety requirements. In addition to managing advanced control tasks, the PLC can offer combined safety control to drive functional and process safety. This offers the ability to create applications that are compliant with ISO 13849-1 PL e and IEC 61508 SIL 3 standards.
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