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7. Nominal neutral current : it is possible to select the secondary neutral nominal current.
Depending on model the options are: 5 A, 1A, 0.5 A or 0.1 A
8. The phase and neutral CT transformation ratio setting allows the measurements of the
primary values from the protection transformer to be viewed.
9. Communication settings (address of front port and address and speed of rear ports): see
Communications
Serial number is a read only setting, the rest of the settings can be changed either from the HMI
or through communications.
Any change of settings, involves the reset of the functions, whether or not activated .
4.14. Settings table
T here are four settings tables and one general table. The settings table which is active at a
specific moment can be modified in two ways:
•
Changing the active Table settings. In the general group there is a setting which establishes
which table is active (table 1, table 2, table 3 or table 4).
•
By means of two inputs. To this end four possibilities are defined.
00 This situation is governed by the active table settings.
01 Table 1
10 Table 2
11 Table 3
Table 4 is not possible to be selected through inputs, only through general settings.
In the zero position the active item is defined by the active table settings defined in the general
group. Regarding other options, regardless of that established by the settings, the inputs prevail
over the settings.
If the use of both inputs is not required, then one can be used, but depending on which is used,
operation can be done with table 1 or table 2.