shift register in TIA portal

I need to shift a value along a conveyor after each index.
Following is the method I used.
It works most of the time.
But some times it puts the same value into 2 registers with one pulse.
Is there a better and reliable way to do this with TIA.

Thanks in advance

Is there any chance that those two bits in the edge detection get triggered randomly?

I cannot see it getting a double pulse.

Since you have only 5 integers long block_move, you could change it to 5*normal move blocks and see if there is any difference.
If it still not work, check if bits have writed over somewhere. (double coil or same words used)

Is the rising edge memory bit "Outfeed".Pulse12 used somewhere else?
For troubleshooting try denouncing the trigger with a timer and see what happens.
A side ponit, I usually set up my data so that I shift an index not the value.

Oh, you're overlapping the memory area you're moving the values to.
You're moving 5 Ints starting from DBX54 to DBX62 to five Ints starting from DBX52 to DBX60.
And you have an array of words starting at DBX34 and extends at least to DBX62 that you're moving another word to from DB11.

Edit#3: OK it took me a while to recreate your arrays. It looks like it should work with the exception of the mover from DB11 to DB4 that will be overwriting part of the BLKMOV instruction before it. But that could be intentional!