Total number of elements in an array

Hello, 
I am trying to count the total number of elements in an array. 
I have a simulate signal VI, that simulates a square pulse, this is being written into an excel file using the write to measurement VI, all for a given period of time. 
I want to further chop a window of the signal depending on different paramenters (a trigger, which I intend to incorperate later, for now I am working of learning how to chop the data)
In order to chop the data I need to know the array size, I use the array size funtion, I right click on the appeneded array in the front pannel and click show last element (array size -1) it doesnt match with the number of rows in the excel file written by the write to measurement VI, in fact it macthes with the "number of samples" I selected in the simulate signal VI. 
Am I doing something wrong? 
Why is there a miss match??
I have attached my VI, Please help
Thank You
SP
Attachments:
FlashERGTrialVI 150218.vi ‏93 KB

Hello RavensFan
Thank you for the reply, I did incorperate the changes, but the same number is displayed in the indicator.  I've attahced my VI
SP
Attachments:
FlashERGTrialVI 150218.vi ‏106 KB

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