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SICAM Q80 7KG8080
Power Quality Recorder SICAM Q80 7KG8080, System manual
E50417-H1076-C420-A2, Release 12.01.2015
7.2
Messaging
7.2.1
Fundamentals
7.2.1.1
What is Messaging?
SICAM Q80 7KG8080
supports the transmission of text messages in response to specific events. The available
events are any signal changes of the virtual bits and network bits. In any bit, the transitions both from 0 to 1 and from
1 to 0 can be linked with one or more message texts.
Each such message can have its own target defined for it. The available message types include email, SMS and FAX
in any combinations.
Along with obligatory text components, the message texts can also contain the current values of the network bits,
virtual bits and Display variables from the device. Other available text components include the date, time, device name
and certain Messaging variables, which can be filled with the currently valid values at the moment the message is
generated. The information for Messaging is comprised of these specifications:
On this event:
this message's frequency
loss of this message
On all messages generated:
The count of all messages generated
The count of messages rejected as undeliverable or due to lack of resources
The count of all events which could not be processed because they occurred in too rapid succession
7.2.1.2
What can Messaging be used for?
Practically any event occurring during a measurement can release messages.
In the simplest case, this can be used to alert a service technician by means of an SMS when a threshold is exceeded
or a similar event occurs.
The ability to place the current values of the network bits, virtual bits and Display variables from the device in the
message makes it possible to generate simple reports as well as malfunction messages. With appropriate
programming, time-controlled messages, for example, can be sent, which could contain the most important data on
processes current state.
Note, however, that Messaging is conceived exclusively for occasional sending of messages. It should generate only
a few messages per hour or even per day! For more information, refer to the section on
, and the
.
7.2.1.3
How does Messaging work?
The devices cyclically examine the virtual bits and network bits for changes. If a change is detected, a check is made
of whether there are any message configurations defined for that event.
If there are, then in addition to the virtual bits and network bits already read in, the Display variables, the date and the
time are saved. This ensures that the values are as up-to-date as possible for any later generating of messages.
The detected events and all their data are entered into an event queue. All of this queue's entries are later evaluated
and all necessary message texts are generated. In the process, the variables in the message texts are replaced with
the stored values.
The messages thus generated are saved in a sending queue, from where they can be sent via the respective suitable
interface. WARNING! Under certain circumstances, the messages may not be sent in the order in which they were
generated (see
)!
Messaging begins its activities already after preparation for measurement. Be aware, therefore, that messages could
be sent even before a measurement starts if a bit for which a message is configured changes. Messaging remains
active even after stopping the measurement. In particular, it continues to try sending messages generated during the
measurement! Also, Messaging's counter variables are not affected by the measurement's start or stopping. Only
upon preparing the next measurement are the counter variables reset and any unsent messages discarded!
In order to deactivate Messaging, a measurement must be sent which contains no message configurations.
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