Date: 2021-08-17
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The remaining time will be corrected upwards accordingly.
Since all systems are shut down only after 5 minutes of remaining time, but the power failure at 6 minutes has been eliminated,
normality returns.
In this case, the CS141 can restart all computers shut down to protect the remaining time via Wake on LAN (WOL) - this
absolutely useful for automated restart of networks after power failure.
In this scenario, if all connected computers were to be restarted automatically, this means that the UPS could withstand 20%
load for 6 minutes at the next power failure - but 100% load must be delivered. Since this cannot work, the WOL packet must be
delayed in time to give the UPS the ability to charge a minimum of batteries.
Note:
It is possible to create up to 50 jobs per event. In some cases, individual jobs may contradict each other or undo desired jobs
accidentally by using counter jobs.
Custom Thresholds
For this configuration step, proceed to the following two menus:
In some cases, UPS models allow you to customize the limits for some UPS-specific events.
The CS141 supports these features if the UPS provides such an option. Otherwise, you will be informed by a corresponding
system message.
The configuration is done via two menus:
-
Custom Thresholds
to define and customize settings
-
vent
menu to assign jobs
Differences between Warning and Alarm Levels
The Custom Thresholds are identical for Warning and Alarm Levels - but they are listed separately in the UPS event menu.
Furthermore, they will be listed inside log files as a Warning or Alarm.
This will allow to configure warning and alarm behaviour containing different values.
These conditions can be set up:
out of range
the event
– regardless of alarm or warning - is triggered if the measured value falls below or exceeds
entered values.
less than
the event - regardless of alarm or warning - is triggered if the measured value falls below configured values.
greater than
the event - regardless of alarm or warning - is triggered if measured value exceeds configured values.
Example: How to configure UPS temperature Custom Thresholds
Electrical devices operate safely between a minimum and a maximum temperature grade. Running a device exceeding these
conditions may cause issues. These issues may vary starting from simple defects up to acute fire hazards.
In order to be able to intervene in time, therefore, a predetermined temperature value must be compared with the measured
temperatures.