min/max with outputs ttl statistics

This is a weird problem. I have attached the worksheet because it is difficult to explain the problem. First of all, let me explain what this thing is supposed to do. A generator of signals outputs sine 5Vp - p, in addition to four. After being added, I use a module of statistics to determine the Min/Max. All I need is the maximum, the minimum is ignored (I'm only looking to the + pics). The + peaks are evaluated to identify uniquely to the final output, which sinewave (s) have been entered in the worksheet. Since I finally need 16 - bit I had to add a scalar unit (scale module) to create the entry 16 (max 15 son allowed an output) by expanding the 15th input to two outputs. I see the expected level of TTL is issued by the module of statistics on three modules Y/t diagram. This tells me that things seem a little work at the exit of the module of SEO (the values of hysteresis in the stat module need to be tweaked to produce all the unique values (16), but it works at least. The problem is that the module of bitmask (set to combine tips - 16-bit conversion for a wide release) generates no output regardless of sinewave different combinations of entry. I thought that I have had set a good example of C.J. provided. I hooked of DMM to also monitor the inputs to the module of bitmask (called 16-bit encoder) - I can't get the digital multimeter to display the output of the module of the stat, but the modules Y/t show the output TTL values there. Both show the modules expected to show which is output, but don't--that intrigues me. The frequency of the sine wave is set to 1,2,4 & 8 Hz for debugging, so I know it is not too fast for the DMM display - I proved this by connecting the sum as an input for the senior DMM sinewave and it displays the voltage changes without problem.

Thus, the two questions are: 1) why the DMM is not working at the release of the Y/t modules or Module Min/Max of Stat?  (2) why the bitmask Module cannot evaluate its entries? The added sine wave is continuous and constant phase.

Any help would be appreciated. This has really baffled me, trying to debug.

It dawned on me that the DMM is placed where they will not work because they are supposed to show a too short period of tension. They would appear between 5V and 25V depending on the number of 5V wfm summary, but each TTL output, they try to show are nothing more than the duration milliseconds--not a good application for a DMM. Now, it's just a question of what is the problem with the 16-bit conversion package around!

Any suggestions on the problem?

Tags: NI Products

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