Unable to read 5th channel using cDAQ 9178 with NI 9219 modules

Dear LabView user,
I've made a VI for reading the measurements of a couple of LVDT sensors, a load cell and a couple of strain gauges. When I connect 4 of these sensors to my cDAQ 9178 with using 1 slot of NI 9219, then there is no problem for my VI. But if I use 2 modules, and connect the 2 LVDT sensors and the load cell to the first module, and the 2 strain gauges to the 2nd module, then my program only will show the readings of the first module and the readings of only 1 strain gauge on the 2nd module. I've found that there occurs an error for the 5th channel in the 'zero' state. It says my buffer size is too small... How can I solve this problem? I can't work with finite samples because it is a continious measurement.
I also have the cDAQ 9171 USB module, if I only connect 4 sensors to this module, the sample rate is high (100 Samples/sec), when I use the same configuration, but connect this with the cDAQ 9178, the sample rate is much lower however I use the same NI 9219 module to fill the slots. Is there some kind of setting I need to make when switching over to the cDAQ 9178?
I've attached my VI.
With kind regards,
Pete

Dear RavensFan,
Thank you for your answer.
"Have you tried swapping the modules between the slots and see if you still have the same problem or if it moves?" When I use the cDAQ 9178, I always use the first 2 slots next to the power suply and the usb connection, you mean that I should try for example the 4th and the 5th slot or other slots? I will try this on Monday, and I will let you know.
About the states machines inside a state: How is it possible then to use several buttons, like start and stop measurement and the 'home' button inside the state "measurement"? Should I make another simple state machine inside this state?
What about that 5th channel that I'm unable to read? The problem happens in my "zero" state: to acquire my "zero elements", the loop does the job for the 5 channels for the first 8 samples, after that, it doesn't want to sample the 5 channels anymore, it only does for 4 channels... It's something about the buffer size, but I don't know how to fix that.
With kind regards,
Peter

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Unable to read 5th channel using cDAQ 9178 with NI 9219 modules

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