PACSystems VersaMax Genius Network Interface User Manual Section 4
GFK-1535D Jan 2023
Configuration 76
The programming software has a set of serial communications
parameters. These parameters must match the ones that the Genius NIU
is using (see the description for Data Rate in Section 4.3.7).
Special Communications Rule for Enhanced Diagnostics Mode
Do not download, upload, verify, or clear an NIU’s configuration when
both of the following are true at the same time:
•
The NIU's Enhanced Diagnostics Mode is set to Enabled
•
The NIU is online with a Genius Bus Controller
If the NIU’s configuration has Enhanced Diagnostics Mode set to Enabled
(either in the currently installed configuration or in the configuration you
are about to download), disconnect the NIU from the Genius bus before
initiating any of these commands. An alternative to disconnecting the
NIU from the Genius bus is to power off or disconnect all of the Genius
Bus Controllers on that bus.
After completing the command, disconnect the serial cable from the
NIU’s expansion port. The NIU can then be reattached to the Genius bus
and/or the Genius bus controllers can be returned to normal operation.
Downloading a Configuration to the Genius NIU
After completing a configuration in the programmer, the configuration
must be downloaded to the Genius NIU. From the Target menu, select
Download Remote I/O Configuration.
When a configuration is being downloaded, the NIU automatically drops
off the Genius bus. Shortly after the download completes, the NIU
attempts to come back on the bus with its revised configuration.
Downloading a configuration disables autoconfiguration. This means that
the NIU will not overwrite a downloaded configuration with an
autoconfiguration during subsequent startups. If a download operation
is aborted or interrupted by loss of communications or loss of power,
autoconfiguration may occur.
If there are any mismatched, missing, or extra modules, the download
operation continues. Modules that are mismatched or extra when
compared to the downloaded configuration will not be scanned. The NIU
will generate fault messages for each of these conditions.
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