I have setup a network of IM-151-8-F PLCs and have incorporated the following OBs - 35, 83, 85, 86, 121, 122.
I have successfully configured all of the hardware, but still have a system fault on the CPUs. Looking into the diagnostic, the problem relates to an IO access error for a memory address relating to OB122.
Opening OB122, there is nothing called.
I have also search the program for the referenced memory address, but it is not found.
Has anyone experienced this problem before?
I have setup a network of IM-151-8-F PLCs and have incorporated the following OBs - 35, 83, 85, 86, 121, 122.
I have successfully configured all of the hardware, but still have a system fault on the CPUs. Looking into the diagnostic, the problem relates to an IO access error for a memory address relating to OB122.
Opening OB122, there is nothing called.
I have also search the program for the referenced memory address, but it is not found.
Has anyone experienced this problem before?
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