Beluk CX plus Reference Manual Download Page 3

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Technical documentation

Rev. 02

Reactive Factor Controller CX plus

Safety notes

Read these

safety notes and instructions

attentively and carefully first. Familiarise yourself with the

device prior to installation, commissioning and operation. The following symbols are used in the
manual and on the device label on the back of the device in order to indicate dangers and problems or
to give specific instructions.

DANGER

indicates a dangerous situation which, if not avoided, may cause death or severe

injuries.

WARNING

indicates a dangerous situation which, if not avoided, may cause death or severe

injuries.

CAUTION

indicates circumstances which may damage or destroy the device in case of non-

observance, but do not cause injuries.

NOTE:

Further information in order to describe special technical features

in a more detailed way.

Summary of Contents for CX plus

Page 1: ...Rev 02 Reactive Power Controller CX plus Beluk GmbH Taubenstrasse 1 D 86956 Schongau Germany Tel 49 0 8861 2332 0 Fax 49 0 8861 2332 22 E Mail blr beluk de http www beluk de REFERENCE MANUAL REACTIVE...

Page 2: ...ssion of the I LOW alarm by the digital input 67 12 7 Detection of step power loss Step Power Loss 69 13 Identification manual entry of step sizes 70 13 1 Step identification is activated Automatic id...

Page 3: ...of the device in order to indicate dangers and problems or to give specific instructions DANGER DANGER indicates a dangerous situation which if not avoided may cause death or severe injuries WARNING...

Page 4: ...s trained in the detection and prevention of potential hazards During installation the relevant regulations for the installation of switchgear and for the prevention of accidents must be observed and...

Page 5: ...rmer 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...

Page 6: ...or Controller CX plus 6 3 Wiring diagrams CX plus 12R 3 1 List of options Designation Explanation CX plus 06R 6 output step relay 12R 12 output step relay MB Modbus RTU Connection via RS485 3 wire bus...

Page 7: ...ay Closes the contact when exceeding the pre set temperature limit 1 Terminals F1 F2 Switching capacity 5 A 250 V AC The fan relay may be used alternatively as 7th or 13th switching output for a step...

Page 8: ...actor Controller CX plus 8 Service interface For service purposes only CAUTION Exception The current transformer factor SETUP Ct must be entered in order to correctly calculate the measurement values...

Page 9: ...g voltage and current Furthermore the AI determines which switching outputs are occupied and which not Switching outputs which are not occupied are set to the step type FOFF The step sizes are determi...

Page 10: ...P 100 Pt The set voltage tolerance range is too small Solution Check the settings of the tolerance range SETUP 204 3 Display I Lo ALARM no current Possible causes Connection from the current transform...

Page 11: ...set the phase correction angle correctly Measuring voltage or current has been connected at a twisted angle of 180 from the direction of connection U2 U1 instead of U1 U2 resp S2 S1 instead of S1 S2 S...

Page 12: ...iately switched off again Possible causes The nominal value of a step saved in the step database is not correct anymore after changing a capacitor the value must be entered manually again or the entir...

Page 13: ...ication Solution Enter the step sizes manually SETUP 402 or reset the step database SETUP 602 The set phase correction angle does not correspond to the connection of measuring voltage and current Solu...

Page 14: ...he transformer In the long run the transformer will be destroyed by the high voltage NOTE In order to set the phase correction angle A table with the phase correction angles depending on the connectio...

Page 15: ...ve The codes for the individual sub points are shown in the submenus The settings and measurement values in the middle with the respective abbreviation on the left and the units on the right are shown...

Page 16: ...rge Measuring current is too high The controller cannot reach the compensation target The set limit for the THD of the voltage has been exceeded Steps will be or were already switched off one by one T...

Page 17: ...ible operating hours of one or several steps has been exceeded Error code and step number are flashing alternatingly Only the smallest affected step number is displayed If several alarms are active th...

Page 18: ...pressing the ESC key NOTE Alarm messages are only displayed in the main menu The menu items INFO MANUAL SETUP or ALARM must not be selected NOTE If the menus INFO MANUAL SETUP or ALARM are selected in...

Page 19: ...er Entering numerical values As the procedure for entering the numerical values is always the same the input mask is described beforehand The current value is shown on the display while the first digi...

Page 20: ...tive Factor Controller CX plus 20 You may cancel the entry of a value at any time with the key Press the key until the first digit on the left is selected The entry is cancelled without accepting the...

Page 21: ...reset to factory settings SETUP 602 the current transformer factor must be entered again so that all measurement values are displayed again 1 00 i 1 00 i U 400 V Voltage L L 1 00 i INFO 1 00 i U 230...

Page 22: ...1 41 U Harmonic distortion U total U 3 Har 0 40 U Odd harmonic U 3 19 1 00 i THD 1 67 I Harmonic distortion I total I 3 Har 0 74 I Odd harmonic I 3 19 1 00 i cos 0 999 Cos three digit PF 0 888 Power f...

Page 23: ...actor Controller CX plus 23 thi 88 C Highest measured temperature OPh 188 9 h Operating hours counter tAn 0 99 tan hi U 405 V Highest measured voltage L L hi THD 2 66 U Highest measured harmonic disto...

Page 24: ...dentification has been completed or if the step size was entered manually see chapter Step identification Select the step number with Select the step with Select the values with 1 00 i INFO INFO CC 25...

Page 25: ...ive Factor Controller CX plus 25 Jump upwards to Display of the step size INFO CC 25 kVar Display of the step size is only active if the CT has been set otherwise 1 2 3 4 max 1 2 3 4 max OPH 342 h Ope...

Page 26: ...only be switched on again after the discharge time lock NOTE Deactivated steps FOFF steps which are permanently switched on FON and locked steps FAULTY FOFF due to step power lost alarm cannot be swi...

Page 27: ...Switch a step on or off with The current COS is displayed for each switching operation Observe the discharge times 1 00i MANUAL 0 95 i MANUAL 1 1 00 i MANUAL 1 1 00 i MANUAL 1 1 1 00 i SETUP 0 95 i M...

Page 28: ...omatically determines the correct phase correction angle SETUP 206 The CX plus performs a connection type identification of the measuring voltage L L L N depending on the set nominal voltage With the...

Page 29: ...database also refer to the nominal voltage 1 00 i ALARM Ct 50 SETUP Entry of current transformer factor e g 250 5 50 Pt 1 SETUP Entry of voltage transformer factor if no transformer is used value 1 A...

Page 30: ...ching time waiting time between switching the individual steps on and off OUt SETUP Setting of the step type for each individual step Select the step number with Select the step with AUTO Step is acti...

Page 31: ...y hidden menus 200 to 700 can now be selected with the keys You can enter these submenus with the key The EXPERT SETUP menu of the CX plus is divided into seven groups The menu items in these groups a...

Page 32: ...enu 600 Reset menu Allows resetting all made settings values saved by the controller and counters Additionally it is possible to call up the software version of the device and to set the password PIN...

Page 33: ...ly connected to the measuring voltage without transformer the value 1 must be used The voltage transformer factor can be entered with one decimal place As only 3 characters are available for the displ...

Page 34: ...current transformer factor is entered once and at least one step size is entered manually Then the control can be switched on again CP1 Target COS 1 0 70 c 0 70 i The active power factor which shall...

Page 35: ...the completion of the step identification of all steps is reset to the initial value of 3 var capacitive The step identification restarts again 203 Voltage transformer factor 1 350 Entry of the curre...

Page 36: ...ing of phase correction angle depending on the connection in the ANNEX offers an overview of the connection possibilities and the phase correction angles to be set 207 Start automatic initialisation Y...

Page 37: ...40 of overcompensation is allowed after switching on resp 40 of under compensation is allowed after switching off 302 Target COS 1 0 70 c 0 70 i The active power factor which shall be reached by the...

Page 38: ...ective steps and the identification of power loss of the individual steps however are active By entering the step size the value of the original step size is set to the value of the current step size...

Page 39: ...esult This means that before each switching operation the controller compares all step sizes saved in its step database with the determined need for reactive power and always selects the step which co...

Page 40: ...ycles or operating hours are always deactivated in case of steps of the same size NOTE It is not possible to switch the steps manually 4 PROGRESSIVE Works like the BEST FIT algorithm with the exceptio...

Page 41: ...metric switching time 127 127 Ratio between switch on time and switch off time The switching time for the step exchange is not influenced X is the asymmetry factor X 1 Switch on and switch off time ar...

Page 42: ...ly for each individual step The entered step nominal value refers to the set nominal voltage The value is entered individually for each switching output NOTE If the step identification was concluded f...

Page 43: ...ching operations of the steps via the operating hours of the individual steps is deactivated SETUP 315 NO the controller automatically distributes the switching cycles for these steps based on the swi...

Page 44: ...IGH THD U THD I and TEMP2 alarm The fan control TEMP1 can only be deactivated by activating the function SETUP 406 switching output fan usable as 7th resp 13th step output The I LOW alarm can only be...

Page 45: ...step switch off sequence is cancelled The already switched off steps however remain locked until the blocking time max 30 min has run out If the control has been stopped this is restarted and the cont...

Page 46: ...r or of a step or the switching cycles of a step are exceeded the service alarm is signalled immediately display and alarm relay NO The service alarm is not signalled 507 Max switching cycles of a ste...

Page 47: ...ue 1 200 Setting of the limit value for the THD I monitoring If the set THD I limit value is exceeded the alarm is signalled display and alarm relay after the set delay time SETUP 504 and the message...

Page 48: ...r steps are switched off one by one at the interval of the delay time When all active steps have been switched off the control is stopped for as long as the alarm is still active If the temperature fa...

Page 49: ...is displayed The alarm relay opens its contact The step type of the affected steps is set to FOFF and blocked The step is locked for the control The step is locked for as long as the current step siz...

Page 50: ...s the I LOW alarm 519 Info I LOW alarm suppression For information purposes only No settings possible YES Digital input is active I Low alarm is suppressed NO Digital input is not active I Low alarm i...

Page 51: ...ching output SETUP 406 to factory settings EXCEPTION The setting of the discharge time of the steps SETUP 401 is not reset CAUTION All active steps including the FON steps are immediately switched off...

Page 52: ...place The setting will automatically return to NO NOTE The alarm messages on the display are only reset if the respective alarms are not active anymore The alarm relay is only reset if no alarm is ac...

Page 53: ...ddress BUS address NOTE The BUS address may only be assigned once within the BUS 9 12 Alarm memory menu The last 10 occurred and signalled alarms are saved and displayed in the alarm memory The latest...

Page 54: ...Technical documentation Rev 02 Reactive Factor Controller CX plus 54 1 00 i 1 00 i INFO 1 00 i MANUAL 1 00 i SETUP 1 00 i ALARM 1 U 2 I Lo 3 10...

Page 55: ...potential free normally open contact closed in normal operating condition opens in case of an alarm and in case of a failure of the supply voltage life contact max protection 2 A switching capacity c...

Page 56: ...61326 1 UL 61010 Conformity and listing CE NRTL UL c NRTL cUL EAC Connection Screw terminals pluggable max 4 mm Housing Front Instrument housing made of plastic UL 94 V 0 Back Metal cover Protection t...

Page 57: ...oller on the secondary side of the transformer Check the connection of the current transformer line break possible Remove the short circuit jumper of the current transformer The transmission ratio of...

Page 58: ...P 206 in the SETUP menu correct it if necessary A transformer is also compensated by the compensation system The displayed COS corresponds to the COS upstream of the transformer If there is no reason...

Page 59: ...anymore or the gradation of the step sizes is too rough or the step sizes may be oversized Opposite control behaviour Controller switches on a capacitor step COS PHI becomes more inductive instead of...

Page 60: ...the switching threshold of the step power of the smallest capacitor step Check Q in the measurement value menu Check the dimensioning of the system The gradation of the step sizes may be too rough or...

Page 61: ...en exceeded Use the switching output for the fan as 7th resp 13th step output Check the settings for the fan switching output SETUP 406 may be set to YES switch to NO Switching output of step 13 is no...

Page 62: ...though the digital input is activated The function of the digital input is switched to Suppression of I LOW alarm Logic digital input is set incorrectly Check the setting for the switching between fun...

Page 63: ...403 Set the desired step type for the step output no 7 resp 13 in the SETUP menu 100 OUt or 403 DEFAULT AUTO If the step identification is switched off SETUP 308 NO the step size for the step output...

Page 64: ...SETUP 512 Set the temperature limit 1 in the SETUP menu 512 The temperature limit 2 SETUP 513 may have to be increased because the maximum setting range of the temperature limit 1 depends on the set...

Page 65: ...me time this is also the cycle for the step switch off sequence Function Upon exceeding the temperature limit 2 the set delay time SETUP 504 will run out first After the delay time has run out the mes...

Page 66: ...ch off sequence Function Upon exceeding the THD U or the THD I limit value the set delay time SETUP 504 will run out first After the delay time has run out the message HarU THD U alarm resp HarI THD I...

Page 67: ...appears on the display and the controller regulates towards the set target COS If the digital input is no longer activated the notification NT disappears from the display and the controller regulates...

Page 68: ...arm is signalled and if the digital input is activated for suppression the alarm message is only reset after 15 s The AUTO symbol is not displayed again until the set switching time has run out provid...

Page 69: ...e odd harmonic In this way the throttle is overloaded and wiil finally be destroyed Procedure Activate the function Step alarm step power loss SETUP 516 Set the setting to YES in the SETUP menu 516 Fu...

Page 70: ...ve when the step identification is switched off If the controller cannot identify a mains reaction during the first 3 switching operations switching on and off 1 switching operation the step type of t...

Page 71: ...ch individual step in the SETUP menu 402 The original step size is equated with the current step size in the step database after entering the step size for a step The monitoring of the step power loss...

Page 72: ...of the step is flashing in the step display If the defective step was changed resp the defective fuse was replaced the step type can be switched manually back to AUTO SETUP 100 OUt or SETUP 403 Then...

Page 73: ...operating hours If several steps of the same size are connected and the option Distribute the switching operations steps via the operating hours of the individual steps is activated SETUP 315 YES the...

Page 74: ...initialisation has not yet started As soon as the AI is started this setting is automatically set back to NO The AI respectively switches on and off again the individual steps one by one The next cycl...

Page 75: ...the phase correction angles depending on the connection of measuring voltage and current can be found in the annex paragraph Setting of phase correction angles If a phase angle equal to or greater th...

Page 76: ...e set control target If the controller has connected steps of the same size the number of switching operations is distributed automatically to these steps either via the switching cycles or via the op...

Page 77: ...P 309 is deactivated steps which are identified as defective are not blocked anymore Their step type remains set to AUTO Therefore the defective step is not skipped The control continuously switches t...

Page 78: ...witching distribution switching cycles or operating hours are always deactivated in case of steps of the same size NOTE It is not possible to switch the steps manually 18 4 Progressive Works like the...

Page 79: ...y switched off again and skipped by the control The next step is used for switch on When switching off blocked defective steps are also skipped The defective steps will again be switched on and immedi...

Page 80: ...g an offset reactive power reactive power of the transformer SETUP 312 this is added to the measured reactive power within the system Procedure Determine the inductive reactive power of the transforme...

Page 81: ...SETUP 207 The vector group of the transformer is considered automatically in the process NOTE If the automatic initialisation AI was not successful the messages and are shown alternatingly on the disp...

Page 82: ...nu 100 Un menu 201 etc The fields with a grey background either cannot be changed status displays or are reset RESET menu automatically to NO when switching from NO to YES Menu Default setting Custome...

Page 83: ...04 Step 1 max 0 405 Step 1 max 0 h 406 NO 500 501 NO 502 20 503 NO 504 60 s 505 NO 506 NO 507 500 k 508 65 5 kh 509 65 5 kh 510 50 511 YES 512 30 C 513 55 C 514 NO 515 NO 516 NO 517 NO 518 NO 519 NO Y...

Page 84: ...tion angle 0 0 0 240 240 240 120 120 120 Voltage L2 L3 L3 L1 L1 L2 L2 L3 L3 L1 L1 L2 L2 L3 L3 L1 L1 L2 Current transformer L1 L2 L3 L2 L3 L1 L3 L1 L2 Correction angle 90 90 90 330 330 330 210 210 210...

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