Feeder Signal programming

HI
I need small help in scripting.
1.i used basic feeder with the script shown above. But initially while playing sim its creating parts without any signal
2. when i gave signal feeder stops creating parts and its producing product according to signal.

i have 11 parts. so i created 11 signals as shown below.
Conveyor_Merging_DOUBT.vcmx (1.7 MB)

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