Synchronize NI9237, NI 9215 at 50kHz, and 9222 at 200kHz

Dear all,

I need to acquire strain signal and voltage signal with 2 pcs NI9237,1 NI9215 at 50kHz sample rate. And also need to acquire voltage signal with 1 NI9222 at 200kHz sample rate.

Question: how to synchronize NI9237, NI 9215 at 50kHz, and 9222 at 200kHz ?

I check the information from NI internet, I only find the method to synchronize two DSA modules and two SAR modules, but no method to synchronize DSA module and SAR module.(9237 is DSA module, 9215,9222 are SAR modules)

Below program is with labview 2013