EnerSys Alpha FXM HP 1100, Technical Manual

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0170022-J0 Rev A Page 103
Using this feature, the AMPS System controller provides the DC System controller with data on how
much DC Input Current it will require during an outage.
The DC System controller provides the AMPS System controller with data on how much runtime the
battery has remaining.
Published Data
Each controller can publish ten data points, which other controllers can read and use for various
purposes. Currently, these data points are limited to numeric data.
To configure which data points should be shared with other controllers:
1. Go to
Controller > Configure Controller > Communications > Data Sharing > Published
Data
.
2. Click the edit icon next to one of the Published Data values.
3. Select the data point to be shared with other controllers, then click
Save.
4. This process can be repeated to share multiple data points with other controllers.
After performing the above procedure, other controllers will be able to subscribe to this controller to
receive data from it.
Data Subscriptions
Data Subscriptions are a way for users to read and use Published Data from other controllers.
To configure a Data Subscription :
1. Go to Controller > Configure Controller > Communications > Data Sharing > Data Subscrip -
tions.
2. Click Add Data Subscription .
3. Click the more details icon to go into the details of this newly created Data Subscription .
4. Click the edit icon beside IP Address , enter in the IP address of the controller to read data from,
then click Save .
After configuration, the Data Subscription will start reading any configured Published Data from the
remote controller. Data will be read and updated every ten seconds.
If there are any problems communicating with the remote controller, those will be indicated in
Commu -
nication Status , potentially being raised as an alarm through the Communication Error alarm. Some
common errors could be:
• IP address configured incorrectly