I want to create a "clean" sawtooth wave with my own inserted array.

I have a PXI module with a fgen5411. I can make a arbitrary waveform with my own array. that's not the problem. The real problem is that if I insert a waveform array with 4096 steps, Labview divides the steps and the 4096 steps are no longer 4096 steps but less. Because of this the created steps of the sawtooth wave excists one time out of 4 points, and the other time out of 5 points and so on.
I use the "create arbitrary waveform" and the "app sequence waveforms" VI's. And because I use the create arb waveform VI, I have to devide my array values with 10000 so that my scale comes between the values �1 and 1.

Hello Ben,
I solved the problem I had with the number of points. The problem was that I was using 1/5 part of the �create arb waveform� scale(between �1 and 1) so that labview generated five points per step.
Now I can generate a sawtooth with the full 12 bit resolution. But the problem now is that the sawtoothsweep begins negative and ends positive. This is strange because the array I load from file excists out of positive numbers. What I want is a sweep beginning at 2 Volt and ends at at least 8 Volt. I tried to change the offset of the �app sequence waveform� but this did not work. The offset does change, but it can not be made positive. I also tried to devide my array so that it fits in the positive scale of the �create arb waveform
�(between 0 and 1), but this also did not work. Is it possible to make a positive sweep with the 5411 in ARB mode?
I send you screenshots from the part of my program. First I load a array from file and devide this by 5000. Then I create a waveform and load this into the �app sequence waveform�.
Ben, I hope you know what I am doing wrong, because I don�t.
Attachments:
load.bmp ‏291 KB
loadarb.bmp ‏1747 KB
generate.bmp ‏294 KB

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