Create Controller Fault Routine

Check for a Specific Fault In this article,  we will learn clear fault on Allen Bradley PLCs.  Which is the continuation of our previous article. We will examine the automatic cleaning of the fault types that we have determined specifically, and error notifications at prescan time. You can find our previous article at the link below. https://www.plctr.com/plc-controller-fault-routine/ Let's continue with an example on Control PLC with Studio 5000. 1. The first EQU instruction checks for a specific type of fault, such as program, Input/Output In Source B, enter the value for the type of fault that you want to clear. 2. The second EQU instruction checks for a specific fault code. In Source B, enter the value for the code that you want to clear. 3. The first CLR instruction sets to zero the value of the fault type...

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Safety Add-On Instructions

Safety Add-On Instructions Like standard Add-On Instructions, safety Add-On Instructions let you encapsulate commonly-used safety logic into a single instruction, making it modular and easier to reuse. In addition to the instruction signature used for high-integrity Add-On Instructions, safety Add-On Instructions feature a safety instruction signature ID for use in safety-related functions. Refer to the GuardLogix® Controller Systems Safety Reference Manual, publication 1756-RM093, for information on certify a safety Add-On Instruction as well...

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