Types of alarm service communication controls
The alarm service has the certain types of controls that can affect network traffic levels. Most of these parameters work so that they either allow or disallow communication at certain times
Figure 4-17 Common alarm service controls
Ack required
This control gives you the option of selecting or clearing the alarm acknowledgement requirement associated with the alarm generation conditions in an alarm class or an alarm recipient, as shown in Figure 4-17.
If alarm acknowledgement is set (box is checked) for any one of the following alarm types, an alarm acknowledgement is routed back to the alarm source when that alarm is acknowledged–thus creating network traffic.
Time range
The Time Range parameter applies to several components related to the alarm service. Setting the time range allows you to limit when communications can occur using the parent component. For example, an alarm class or alarm recipient type can only communicate during the time set in the Time Range window. Figure 4-17 shows the Time Range component.
Days of week
The Days of Week parameter allows you to limit the alarm communications to certain days of the week.
Remote station
This parameter allows you to route alarms to a remote station. Alarms that are sent to a remote station are routed according to the parameters defined in the Alarm class that is selected in the Alarm component under the remote station's NiagaraNetwork.
Rout acks
This parameter allows you to enable alarm routing acknowledgments (true) or disable alarm acknowledgments (false).