Safety System Devices - Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual

Safety system devices

This section describes the safety system devices.
Safety special relay (SA\SM)
This relay stores the SIL2 Process CPU status relating to safety control. ( Page 882 List of Safety Special Relay Areas)
Safety special register (SA\SD)
This register stores the SIL2 Process CPU status relating to safety control. ( Page 885 List of Safety Special Register
Areas)
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38 SAFETY DEVICES, SAFETY LABELS, AND CONSTANTS
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38.1 Safety Devices