4. Configuration
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declared on Value Variable column, which value is going to be read, or reported to , the client in case
of events.
ATTENTION
When the Counter Variable has a quality variable associated, to the quality to be transferred to the
frozen variable at freeze command, it must be associated a quality variable to the frozen one. This
procedure must be done through Internal Points tab.
Dead Band Variable: This field applys only to input analog variables (Measured Value type objects)
mappings. It must has same type and size of the variable declared on Value Variable column. New
dead band variable values are going to be considered only when the input analog variable change its
value.
Dead Band Type: The configuration types available to dead band are:
In this option, any value change in a group’s
point, as smaller it is, generates an event to this
point.
In this option, if the group’s point value absolute
change is bigger than the value in “Dead Band”
field, an event is going to be generated to this
point.
In this option, if the absolute of the integration of
the group’s point value change is bigger than the
value in “Dead Band” field, an event is going to
be generated to this point. The integration interval
is one second
Table 4-104. Server IEC 60870-5-104 Mappings Dead Band Types
Short Pulse and Long Pulse: At the define of short and long pulses duration time it must be
considered the limits supported by the device which will treat the command. For example, case the
destiny is an output card, which is not supported in native by Nexto Series. It must be checked at the
module's Datasheet what the minimum and maximum times, as well as the resolution, to running the
pulsed commands.
Link Layer
To the Server IEC 60870-5-104 link layer parameters configuration, shown on Figure 4-78, follow
the described parameters on Table 4-105:
Figure 4-78. Server IEC 60870-5-104 Link Layer Configuration Screen
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General