Date: 2021-08-17
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Defining jobs for an event
System events are highly dependent on the UPS model to be used and vary in both - designation as well as abundance of
possibilities. Furthermore, administrators will find interesting conceptional issues according to the interplay of events and
counter-events:
An event receives an action, a job. This job will be executed when the event occurs. These jobs differ in central role as well as
its direct function:
-
Information
These jobs can be executed as often as desired and only fulfil the purpose of the information. Depending on the configuration,
information can be sent once or cyclically as long as an event is pending - the nature of the event does not matter. If the
situation changes and the event does not come to fruition, an according job will not continue.
-
Action
These jobs are designed to switch, trigger, start emergency routines, etc. These jobs are triggered as soon as an event occurs.
They differ from information jobs due to the fact administrators have to terminate these jobs by using corresponding counter-
rotating jobs. In some cases, there are counter-events to be used, others need to be configured manually.
Note:
It is important to understand the difference
As long as a power failure occurs, a mail with log files appendixes to should be sent every 5 minutes. Once the power failure is
eliminated, no more email is written. On the other hand, a job to close potential-free contact as soon as a power failure is
detected is executed. This cannot be reverted - even if the main power comes back,
the contact remains in closed position. If a warning light is switched via this contact, it would light up until this contact is
deliberately opened. A counter-job is needed in case of main power returns.
The following example shows why it is important to understand the difference
:
If the temperature sensor measures critical temperatures, the CS141 will send e-mails and simultaneously close the contact of
an air conditioner. As soon as the temperature drops below the critical level, CS141 stops sending e-mails - but the air
conditioner needs to run until the temperature has returned to normal condition. This will not work if the contact automatically
opens in case of critical temperature is no longer given:
You need to use an active job to switch off the air conditioning system as soon as a certain temperature has been reached.
It becomes problematic if a power failure causes two UPS systems running on separated power input circuits to send a server
shutdown command:
As soon as both systems send a valid shutdown command, the server shuts down immediately - even if both UPS systems
report a power failure time-separated. If they do not cancel the shutdown command after their respective individual problems
were resolved, the server will shut down due the fact, both UPS systems seems to report problems.
Event handling: Defining a job
The jobs can be configured at any time. However, they can only be tested under two conditions:
1. e-mail - based jobs require a valid mail account to send a mail.
2. jobs based on TCP/IP settings require a valid network configuration.
Before proceeding to the next configuration step, check that all access data are stored, the network settings are correct and the
CS141 is in regular operating mode in your network.
Managing jobs
Under Devices, open the UPS submenu and go to Events.
Please note that both the functions as well as designation will differ by usage of different UPS systems.
