V2.00
19837_EDEBD
A0227-2620-1_EN
21
Commissioning
4.2
Description of general settings:
Attenuation (DC)
=
Reduction of the display fluctuations, the
measuring cycle of the controller is not
influenced .
Idle time (t idle)
=
Starts at compensation . After the idle time
has expired, the next switching operation
follows .
Alarm
delay (t alarm)
=
Concerns the FTS message (Facility too
small) i .e . all stages are hooked up and the
set alarm CosPhi is not reached . After the
set time has expired an error message is
issued
Hysteresis (hyst .)
=
Refers to the smallest available stage
power and the overcompensation or un-
dercompensation, i .e . the hooking up or
switching off starts at the percentage set
Switching interval
=
The time set defines the interval between
two switching operations
Operating cycle limit
=
When the set value is reached, a message
is issued . The value is based on the details
from the contactor manufacturer .
Switch-off threshold Lim U
=
Overvoltage switch-off to protect the
system, i .e . switching off the stages starts
when the set limit is exceeded (hysteresis
= 1 % of the limit)