Function Switch (3)
(Standard Version with 10 Switch Positions)
0
= Relay not in automatic function. All steps will be switched off after 20 secs. The digital display will show
"OFF"
.
1
= Adjustment of pre-set target power factor within the range 0,70 lag ...1,0 ... 0,90 lead. by means of the +/- buttons. Target level is shown
in the display.
2
= Adjustment of the step switching time, 5 secs ... 1200 secs, by means of the +/- buttons. For rapid digit change, hold the button down
continuously. The display will show for example "50".
3 = Relay in automatic function,
with indication of system power factor in the digital display, i - ind., c = cap. If the +/- segments are
flashing, this indicates that the target power factor has not been achieved. A suitable capacitor size will be selected.
4
= Manual operation. The display will show alternately
"H"
(1sec) and Power Factor (5 secs). Capacitor steps can be switched in rotation
after the selected step switch time, using the +/- buttons.
5
= The number of switching steps can be limited, using +/- buttons. The display will indicate the number of steps - e.g. for 10 steps "CL10".
Do not exceed the number of steps on the relay!
6
= Automatic indication in the display of the number of steps which are not connected or are not working. The indication will rotate through
the non-functioning steps, e.g. "Cd 5" = 5 non-functioning step. Display "Cd 0" means that all steps are functioning. Automatic regulation is
active during this time (CD = capacitor defective)!
Any failed capacitor step will be displayed with letters “AL” alternating with cos phi indication.
The indication of defective steps can be cancelled by pressing the +/- buttons
together
for a period > 20 secs. Automatic regulation is active
during this time!
7
= The number of switching each contactor has made is shown in the display, e.g. "OC 4" for 2 secs., then
"248"
. This indicates that
contactor no. 4 has completed 248 switchings. Other contactors can be selected using the +/- buttons. Only every 50 switchings, the
microprocessor stores the data. The stored data of all steps can be cancelled by depressing the +/- buttons
together
, for a period of > 20 secs.
Automatic regulation is active during this time!
8
= Indicates the measured "unit of value" of each step, which is proportional to the capacitor output in kVAr. For example, the display will
show "CC 12" for 2 secs., to indicate step No. 12., and will then alternate to "125" units of value. Once the value falls below a level of < "8",
the capacitor will be excluded from the regulation process. The "unit of value" for other steps is obtained by depressing the + or- buttons to
select the required steps. The stored data of all steps can be cancelled by depr/- buttons
together
for a period > 20 secs. This starts a
redefinition of the capacitor outputs. Automatic regulation is active during this time! (CC=Capacitor capacity)
9
= Selects the mode of alarm signal required. If the display shows "A 0", the alarm is stored in the memory and can only be cancelled by
briefly switching DIP switch (
S2
) off. If the display shows "A 1", the alarm will be cancelled automatically, when the target power factor
level is restored (Selection by means of +/- buttons). Any reset at option “
L”
will be
triggered after a passed ”time window” of 8 minutes
only.
If requested data are not indicated on order, the relay will be shipped in "A 1" mode!
B
= Input for assymetrical switching times. Using the +/- buttons, this can be adjusted between 0 ... 50. For example, if the display shows
"Y" 10" the factor displayed will multiply the switching off time in the capacitive direction. (Rapid switching on - slow switch off). The
standard setting with equal switch on/off times is "Y 0".
C
= Rapid contactor switching rate limiter. By using the +/- buttons a time delay can be set in seconds so as, to prevent the rapid on/off
switching of a contactor on a constantly changing load. The standard setting would be 30 secs. and the display would then show "L 30". The
delay time can be set up to 255 secs.
D
= no function
E
= OFF. Same effect as function switch in Position
0
(see above).
F
= Indication of Switching mode
"S CC" = Economy Switching (Connected capacitors have different sizes)
" CC" = Circular Switching (Connected capacitors have equal sizes)
