Beluk CX plus Manuale utente
MB_EN_ACXplus-R_BEL_02
Beluk GmbH
Tel.: +49 8861 2332 0
Taubenstrasse 1
Fax: +49 8861 2332 22
86956 Schongau
blr@beluk.de
Germany
http://www.beluk.de
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CX plus Operating Manual
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General safety notes
Failure to observe the following instructions can lead to serious
injury or death !
During installation, there is a risk of electric shock. For this reason,
electrical devices may only be installed, operated, serviced and maintained
by qualified personnel. A qualified person is one who has the ability,
experience and knowledge necessary for the construction, installation and
operation of electrical equipment and is trained in the detection and
prevention of potential hazards.
During installation and maintenance, the relevant regulations for
installation of switchgear and for preventing accidents must be observed
and complied with.
Devices with damaged or open housings or terminals may not be
connected to the mains and must be disconnected immediately.
After disconnection of the device, wait for 10 minutes until the capacitors
are discharged before removing doors or covers. After that, check to
ensure that the compensation system has been de- energised.
Beluk GmbH assumes no responsibility or liability for injury to persons or
damage to equipment due to improper installation or installation not for
the intended use carried out by qualified personnel.
New features of the CX plus over the BLR- CX
Modbus: no longer as an external add- on module,
now optionally installed internally.
Alarm memory: enables the storage of the last 10 alarms
New alarms: THD I alarm
I-Low alarm: can be disabled via digital input now:
SETUP/ 500/ 518 → “YES” = I-Low alarm blocked
Control algorithm: in addition to LIFO, AUTOMATIC (best fit) and
PROGRESSIVE, the FIFO algorithm has now also been implemented
Outputs: 6 or 12 stages, separate fan relay (can be used as 7th /13th
stage)
Display: to extend the service life of the backlight, it is turned off
60 seconds after last usage.
Storage Umax and THD Umax
Digital input:
Choice between target cosϕ1 and target cosϕ2, signalisation of an
external alarm or to disable the I-Low alarm
Temperature sensor: NTC now internal.
Installation and commissioning:
1) Before installation, the connection data of the CX plus must be
compared with the data of the supply network and the installation.
2) The working area must be disconnected from voltage and secured
against unauthorised and unintentional restart. The absence of
voltage must be verified with a standardised instrument/ testing
device. The voltage- free system must be grounded and short-
circuited. Adjacent live parts must be covered or placed behind
barriers.
3) The current transformer must be short-circuited! A current
transformer that has NOT been short-circuited generates very high
voltages posing a danger to persons and equipment. The current
transformer can thereby be destroyed.
4) Disconnect and remove the old reactive power controller.
5) Plug the CX plus into the switch panel section and fix it with the two
mounting brackets. (Section 138 x 138 mm)
6) Connect the protective conductor to the PE terminal of the metal
back of the CX plus.
7) Connect the connecting lines as shown in the wiring diagram.
(Current transformer: K [power plant] to S1, L [load] to S2)
8) Remove current transformer jumper.
9) Switch on voltage.
10) With a proper connection and correct connection data, the LCD lights
and the LCD test is active for 1 second.
11) Activation of user-guided initial commissioning “FIrSt SEtUP“ after
confirming “YES“. Afterwards all required parameters are requested
by CX plus. The choice of “NO” requires, that the user implements the
following parameters (12) … 15)) manually.
12) The current transformer factor (Ct) must be entered.
13) The nominal voltage (Un) and the voltage transformer factor (Pt)
must be entered, too.
14) Start the “Automatic initialisation” (AI) or enter the Phaseoffset
(PO) manually.
15) If the „Automatic initialisation” was successfully finished, the
message “AUTO”appears on the LCD.
Control starts after the discharge time lock.
Questions during commissioning:
1) No AUTO display → control stopped
Reasons: Manual operation, control is switched off, temperature is
too high, current is less than 15 mA, voltage or THD of voltage are not
permitted
2) U ALARM display → voltage out of tolerance
Check settings for rated voltage (SETUP/ Un) and
voltage transformer (SETUP/ Pt)
3) I Lo ALARM display → no current flow
Possible causes: Connection from the current transformer to
the controller is not correct; current transformer
jumper is not removed; transformation ratio is too large; no current
4) EXPORT display → feeding back of active power
If there is no real feeding back, connect voltage and
check current (phase polarity)
→ section Incorrect connections/ AI –automatic initialisation
5) Incorrect Cos phi → incorrect connection
Connect voltage and check current (phase, polarity)
→ section Incorrect connections/ AI –automatic initialisation
6) Outputs are switched off again immediately
→ section Incorrect connections/ AI –automatic initialisation
7) Frequent switching of the outputs
→output of the capacitors first needs to be detected
Display:
INFO: Stage database
AUTO: Automatic operation
MANUAL: Manual operation
SETUP: Settings menu
ALARM: Alarm memory
EXPORT: Feeding back of active power
NT: 2nd target cosϕis active
ALARM: Flashes if there is an
alarm notification
1st line:
I) cos ϕ/ menu items
II) inductive/ capacitive
2nd line:
I) code of metered and set values
II) metered and set values/ alarm
codes
III) units
Stage display:
Status of the stage (on/ off)
Stage faulty (flashing)
I
II
III
II
I
Operation:
The controller is operated using 4 keys.
Increase values
Select menu items
Exit menus/ Esc
Cursor to the left
Reset alarm (5 sec.)
Opens menus/ Enter
Cursor to the right
Settings
Decrease values
Select menu items
Input parameters:
↑, ↓
→
↑, ↓
→
←
Digit adjust (up/ down)
Move to next position
After the last digit is set, selection of:
- Multiplier k(kilo) or M(Mega)
- Preceding sign i(inductive) or c(capacitive) (flashing of i or c)
Application of values at the end
Abort entry
Main menu:
Select menu items with ↑, ↓, enter the submenu with →
Measurement value display:
(Change with ↑, ↓)
ULL, ULN, I, P, Q, ΔQ, S, THD U, 3.-19. Har. U,
THD I, 3.-19. Har. I, cosϕ, PF, APF, Hz(F), t(°C),
thi (°C), OPh (h), tanϕ, U hi, THD U hi
INFO stage database:
Power and power loss of stages, number of
switching operations, stage type, operating hours.
(→ section INFO stages database)
MANUAL operation:
Intentional switching on and off of
switching outputs.
(→ section MANUAL operation)
SETUP settings menu:
Rated voltage (Un), current transformer (Ct),
voltage transformer (Pt), automatic initialisation
(AI), control on/ off (PFC), target cosϕ1 (CP1),
switching time (St), stage type (Out)
(→ section SETUP settings menu)
ALARM memory:
Memory buffer shows the last 10 alarms. The most
recent alarm is in the first position.
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