Savind data with time stamp

Hello
I have this program (attached) with a 'write to measurment file'. The problem i have is that i want 4 signals saved and he only saves 1000 samples and then he stops. He just has to save all the samples from every channel.
And when I want to measure Dc voltages he only has to take 1 point per second or per minute. How can I change this easy?
Attachments:
STURING MEETOPSTELLING.vi ‏177 KB

I don't get it either... Can you explain to me short what your circuit does? I am new to labview so I have to search everything for myself
Attachments:
STURING MEETOPSTELLING_LV8_01.vi ‏184 KB

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