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@jthyge That's correct! What I meant is there might be an alternative way without needing to clear everything, then fill each PLC cycle. Your code loo...

@alex The output should look like this:

@alex Thanks for sharing! Could you plot your output signal using these values : On time = 1s Off time = 500ms Pause time = 3s Total time = 35s ...

@jthyge Thanks for sharing! From my understanding, each PLC cycle you're clearing your whole array, then filling your LED array again with using the c...

@trofimich If you don't use the EndVelocity input, you'd get the same results : MC_BlendingLow: When you use the EndVelocity input, you'd...

@duncan Have you tried linking your Struct to physical IO automatically in TwinCAT? Auto linking in TwinCAT

@rruiter That's right! Ideally, your methods/code should be self explanatory that you don't even need to use comments. However, in reality that's not ...

@ehixenbaugh That's right. You'd need to change your HMI Response. This might help you: HMI Response

@ehixenbaugh Great job and you even did the HMI part as well!! In the video, when you selected 2 and 1 Led, it seems like Led doesn't flow one by on...

@duncan Hi , these tutorials would help you. TwinCAT OPC UA Server - Ignition OPC UA Client Ignition OPC UA Server - TwinCAT OPC UA Client