V2.00
KBR multicomp F144-3PH
19
19837_EDEBD
A0227-1816-1_EN
Control and display panel
4.2
Description of general settings:
Attenuation (DC)
= Reduction of the display fluctuations, the mea-
suring cycle of the controller is not influenced.
Idle time (t idle)
= Starts at compensation. After the idle time has
expired, the next switching action follows.
Alarm delay (t alarm)
= Concerns the
FTS
message (
F
acility
t
oo
s
mall)
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 und
the overcompensation or undercompensation,
i.e. the hooking up or switching off starts at the
percentage set
Switching interval
= The time set defines the interval between two
switching actions
Operating cycle limit
= When the set value is reached, a message is is-
sued. 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)