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Alarm Microservice
The Alarm microservice receives messages from one or more Alarm Gateways, and manages the current alarm states in the context of the equipment model, including the alarm lists associated with each asset.

Web HMI Products Documentation

Customize Components
- Related Components
  You can customize certain settings of the components used by Web HMI.
- Alarm Gateway Configuration Tool
  The Alarm Gateway Configuration Tool is an OPC Alarms & Events (OPC AE) client application that subscribes to OPC alarm and event messages from the data source OPC AE server, and posts them to the RabbitMQ service for the Alarm Microservice to manage.
- Alarm Microservice
  The Alarm microservice receives messages from one or more Alarm Gateways, and manages the current alarm states in the context of the equipment model, including the alarm lists associated with each asset.
- Asset Microservice
  The Asset microservice is the interface to the model and performs all its create, read, update and delete operations.
- Entity-Metadata Microservice
  The Entity-Metadata microservice stores and serves model asset data required by clients to make decisions. For example, it determines whether you can write to a property/tag.
- Server-Details Microservice
  The Server-Details microservice manages the Server Alias table that enables you to set up connection information to different data sources.
- Tag-Source Microservice
  The Tag-Source microservice stores and provides the details of where an asset data variable retrieves its data. For example, Pump01.Flow gets its data from iFIX point FIX32.FLOW_TAG.

Alarm Microservice

The Alarm microservice receives messages from one or more Alarm Gateways, and manages the current alarm states in the context of the equipment model, including the alarm lists associated with each asset.

The rabbitMQ.server, rabbitMQ.alarm.logicalNames, hierarchyService.NetworSkName, and rank.ranks settings are in application.properties.

The Web HMI dividing point values between the different alarm severity ranges are defined in the ranks.ranks setting of the Alarm Microservice. The default dividing points are 200, 800, 950, resulting in these default alarm severity ranges.


Low Severity Value	High Severity Level	Description	Alarm Icon
950	1000	Alarm is critical.
800	949	Alarm is high severity.
200	799	Alarm is medium severity.
1	199	Alarm is low severity.


Configurable Settings	Purpose	Default Values	Internal Settings
logging.file=${service.name}.log logging.level.com.ge.enterprise=DEBUG	Specifies the log location and logging level.	Same as configurable settings.	None
rabbitMQ.server	RabbitMQ server host.	localhost
rabbitMQ.alarm.logicalNames	Comma-separated list of RabbitMQ topics. Each entry represents an alarm.	alarms
hierarchyService.NetworSkName	Name of the TW network.	/AssetHierarchy_geAsset
rank.ranks	Comma-separated list of dividing point values for the alarm severity levels.	200, 800, 950	None