DNR-X-1G Series RACKtangle and HalfRACK Systems
Chapter 4 65
Installation and Configuration
October 2018 www.ueidaq.com
508.921.4600
© Copyright 2018
United Electronic Industries, Inc.
Sequence of Operation
To use the diagnostic port without affecting performance of the main port, UEI
recommends that you use the following sequence of operations:
1. Open main port.
2. Open diagnostics port.
3. Perform hardware reset (optional) and re-open ports, if needed.
4. Lock diagnostic port into DQSETLOCK_DIAG.
5. When operation is configured on the main port, read the status of the
diagnostics port to verify that the configuration was programmed
correctly.
6. Once operation on the main port is started, the diagnostics port
becomes available for data retrieval.
7. Read status of the diagnostics port to make sure that all boards of
interest successfully entered operating mode without error.
8. In the cycle:
a. Retrieve the current status once a second.
b. Check the flags for error conditions.
c. Retrieve additional data if any flags are set.
9. Stop operation and unlock diagnostics port.
10.Resume normal operation with main port.
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