How to compensate for mili-voltage output interaction with FieldPoint FP-AI-100 Module?

I have the white and green outputs of four Omega PX180B (100mV = 200 psig full scale) full bridge pressure transducers hooked to a FieldPoint FP-AI-100 analog input module. I have a separate regulated 10V DC supply providing power to each transducer. At zero pressure, FieldPoint Explorer and LabView read only small offset milivolts as expected. When one transducer is exposed to 100 psig and the others are at zero, the exposed transducer milivolt signal is reduced to about 80 psig; while the other three read from 5 to 10 psig. I think they are interacting? How can I prevent this? Can I ground the COM terminal of the FP-AI-100 module? If so, to the 10V DC supply or to the FP-1000 module?

Sorry, this is a hardware issue and it has to be fixed in hardware. A couple more ideas to try:
Take the green wire from sensor and connect to Vin of one channel. Connect white wire to Vin of another channel. Connect COM of AI-100 to common of 10V supply. Measure both channels in your vi and add the two voltages together before making the conversion to PSI. Would take twice as many AI channels but it might work. I would read the entire module and the same time.
You could also build your own simple signal conditioner. Just need a good instrumentation amp set for a gain of 1. AMP02 works well for this.

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How to compensate for mili-voltage output interaction with FieldPoint FP-AI-100 Module?