Solution
You may follow the steps as below to solve the issue.
- Open the example that you are facing the issue, double click on the oax_Config TIO and DSA Channels (DSA).vi.
- Double click on the oax_Sync DSA and TIO (DAQmx DSA).vi.
- Change the Property node configuration and wiring as below in case 2...5.
Note that if you are using cDAQ-9172, NI 9401/9402 must be slot into slot 5 and 6. This is because cDAQ-9172 can only supply external digital triggers in slots 5 or/and 6. For more details, you may check the cDAQ-9172 User Manual.