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or identified (in the automatic section power recognition process). Under this condition, flashing
is shown on the numeric display.
4.1.18.2 Alarm Actuation
Independently of the alarm indication function, you can set alarm actuation for some of the
nonstandard conditions. Actuation means intervention in the control process, especially interruption of
controller operation, usually with subsequent disconnection of compensation sections. See list of
actuations in Table 4.6.
If you require that the controller respond to occurrence of an above nonstandard condition with its
corresponding actuation as shown in the table, you have to set the condition of choice in the side
branch of parameter 30 toor(see previous chapter).
Conditions not shown in this table do not trigger any actuations, hence they can not be set this way
either.
Table 4.6: Alarm – actuation
# condition minimum delay of
actuation
activation / deactivation
1 undercurrent 10 / 5 seconds disconnection of all sections
except fixed ones
3 voltage failure immediately / 5 seconds disconnection of all sections
4 undervoltage maximum 1 minute (depends disconnection of all sections
on the extent of
undervoltage)
5 overvoltage maximum 1 minute (depends disconnection of all sections
on the extent of overvoltage)
6 THDI > maximum 1 minute (depends disconnection of all sections
on the level of THDI)
7 THDU > maximum 1 minute (depends disconnection of all sections
on the level of THDU)
8 CHL > maximum 1 minute (depends disconnection of all sections
on the level of CHL)
10 power export maximum 1 minute (depends
on the level of active power)
disconnection of all sections
except fixed ones
12 section error 5 connections +
5 disconnections
section disablement (see
description in chapter below)
13 overheated maximum 1 minute (depends disconnection of all sections
on the level of temperature)
14 external alarm immediately / 5 seconds disconnection of all sections
Note: Conditions shown above in bold type are set by default.
4.1.19 Parameters 31 through 37 – Alarm Indication/Actuation Limits
If indication or actuation from a condition shown in Table 4.7 is set up, you also need to specify the
relevant quantity’s limit value exceeding which triggers the indication or actuation. The table shows
parameter numbers where the limits are stored, limit setup ranges, and limit default values.
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