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Lifasa PFCL Elite 12, Instruction Manual

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Lifasa PFCL Elite 12 Instruction Manual Download Page 11

                                                                                                                                                   

PFCL Elite 6 / PFCL Elite 12

- 10 - 

Connecting RS-485 Communications elements 

The PFCL Elite regulators can be connected to a computer or another unit by means of the RS-485 bus 
series included. With this system, the data can be centralised in a single SCADA registry point (Power 
Studio® System). 

In a network of equipment, the PFCL Elite regulator communicates by question-answer (slave). 

The PFCL Elite regulator communicates with the MODBUS RTU© protocol, which enables it to access the 
electrical parameter and the main variables and configurations. Contact the manufacturer to obtain the table 
of addresses.  

See section 4.4. to change the communications configuration. 

Fig. 2.5.- Example of an RS-485 network, using PFCL Elite 6/ PFCL Elite12 

Summary of Contents for PFCL Elite 12

Page 1: ...POWER FACTOR REGULATOR PFCL Elite 6 PFCL Elite 12 Instruction Manual ...

Page 2: ...PFCL Elite 6 PFCL Elite 12 1 ...

Page 3: ...LATION 7 2 2 1 Mechanical Installation 7 2 2 2 Connections 8 2 2 3 Cable sections and protection elements 8 2 2 4 Connection diagrams PFCL Elite 6 12 9 3 GENERAL FEATURES 11 4 FRONT PANEL SCREEN AND KEYBOARD 12 4 1 LCD SCREEN 13 4 2 NAVIGATION KEYS 13 5 REGULATOR S OPERATION 14 5 1 START UP SCREEN 14 5 2 DEVICE STATES 14 5 3 MEASUREMENT SCREENS 15 5 3 1 Functions of the Keys on the Measurement Scr...

Page 4: ...responding earthing connections before they are connected A faulty earthing connection could lead to a faulty operation and represent the risk of electrical discharge to the user or person handling the equipment 9 The necessary precautions will be taken during maintenance operations to prevent the risk of electrocution and electric shock Make sure that the unit has been disconnected and wait until...

Page 5: ... of installations with generators that not only allow the consumption of energy but can also export and sell energy 1 2 2 FCP System FAST Computerized Program This system controls the connection sequence of the different stages tending to minimise the number of operations and matching the usage times of the different stages to achieve the determined final power demand The operations are carried ou...

Page 6: ... programs which are as follows 1 1 1 1 1 2 2 2 1 2 4 4 1 2 4 8 1 1 2 2 1 1 2 4 1 2 2 4 1 2 3 3 1 2 3 4 1 2 3 6 An open program can also be configured between 1 1 1 1 and 1 9 9 9 in special cases 1 2 5 Plug and Play A series of parameters must be configured when a power factor regulator is installed to make sure that it operates correctly Some of these parameters might be hard to know such as for e...

Page 7: ...D START UP This section contains information and warnings that the user must respect at all times to guarantee his own safety and the safe operation of the device WARNING The PFCL Elite regulators are connected to units with capacitors that remain charged even after the voltage has been disconnected Wait at least 5 minutes after the equipment is disconnected before the internal components of the e...

Page 8: ...racy 3ºC Consumption 8 2 VA empty 9 3 VA 6 relays 11 VA 12 relays Output Relays Contacts for Umax 250 Vac 4 A AC AC1 Cabling and output relay protection Cable section 1 5 mm2 protection with circuit breaker C curve of 6 A or gl 6 A fuse Alarm relay Switched relay for use exclusively for the alarms Standards IEC 62053 23 2003 01 Ed 1 0 IEC 61326 1 EN61010 1 UL 508 Safety Insulation Category III Cla...

Page 9: ... 2 2 Connections P1 P2 S1 and S2 shown on the said diagrams should be respected In case the connection layout mentioned above is not respected the phase must be adjusted following the procedure described in section 5 5 255 7 1 255 7 The current transformer CT must measure the joint current of the capacitors and the loads If this does not work make sure that the CT is not short circuited When the C...

Page 10: ...1 Current input S1 I S2 Current input S2 I S1 Leakage current input S1 I S2 Leakage current input S2 A RS 485 Input A B RS 485 Input B S RS 485 S Input ALARM NC or NO Relay output NOTE The two COM terminals are not internally connected In the case of the model with 12 relay outputs the two COM outputs of the regulator must be short circuited Leakage current connection I The leakage current transfo...

Page 11: ...point Power Studio System In a network of equipment the PFCL Elite regulator communicates by question answer slave The PFCL Elite regulator communicates with the MODBUS RTU protocol which enables it to access the electrical parameter and the main variables and configurations Contact the manufacturer to obtain the table of addresses See section 4 4 to change the communications configuration Fig 2 5...

Page 12: ...on of the cos ij type of reactive power inductive or capacitive and display of energy import or export EXPORT icon LCD screen with 15 digits and seven segments on 4 lines plus 55 icons to display the different operating conditions Grid analyzer function with the measurement of many different system parameters Measurement of the leakage current with an associated alarm disconnection of capacitors an...

Page 13: ...ront panel shows the following signs Fig 4 1 Front panel of the device NOTE The setup process different parameters and regulation modes are described in detail in the Regulator Operation section Section 5 LCD Screen Navigation keys Fig 4 2 LCD screen for the device Fig 4 3 Keyboard ...

Page 14: ...itors of the capacitor bank with which the equipment shows its connection or disconnection state Icons for units or general information displayed on the screen Icons for the setup screens which open this screen Capacitor icons Unit icons Setup screen icons Digits Fig 4 4 Information displayed on the LCD screen 4 2 Navigation keys The navigation keys have different functions depending on the regula...

Page 15: ...ey is pressed see Section 5 3 The Manual Connection Disconnection of Capacitors can only be carried out in this state by holding keys or key Hold down key to change the state from normal to setup The regulator will sequentially disconnect all capacitors that are connected before opening the setup state Setup State SETUP The different work parameters of the regulator can be configured in this state...

Page 16: ...e Three phase phase phase voltage Current The EXPORT word under the icon that shows the type of cosine indicates that the power measured is exported When the installation is consuming importing power the PHASE parameter must be reconfigured in the setup menu Three Phase Power Screen PM2 TypeM1 The following data is displayed Three phase active power in kW Three phase reactive power and its type in...

Page 17: ...eM1 The following data is displayed Three phase cosine and its type inductive or capacitive Power factor PF THDs Screen PM7 TypeM2 The following data is displayed THD harmonic distortion of the voltage in THD harmonic distortion of the current in Voltage Harmonics Screens PM8 and PM9 TypeM2 There are two screens The first screen shows harmonics 3 5 and 7 and the second screen shows harmonics 9 11 ...

Page 18: ...or each capacitor C1 C2 up to C12 Flashing capacitor icons on the measurement screens The icons of the capacitors configured as ON forced connection will be turned off for 1 second every 4 seconds The icons of the capacitors configured as OFF forced disconnection will be turned on for 1 second every 4 seconds The icons of the capacitors that have been cancelled by the leakage current alarm will fl...

Page 19: ...his screen automatically after 5 seconds of inactivity when no key has been pressed long Connecting capacitors manually Hold down the key for more than 3 seconds and the regulator will connect the steps sequentially at different time intervals in accordance with the connection time setting see Section 5 5 long Disconnecting capacitors manually Hold down the key for more than 3 seconds and the regu...

Page 20: ...ss Browsing the measurement screens Type M1 Screen Type M1 Min Type M1 Max Maximum deletion Long Press Long Press Previous screen Next screen Minimum deletion Browsing the measurement screens with no minimum measurements Browsing the connections screen Type M2 Screen Type M2 Max Long Press Previous Screen Next Screen Maximum deletion Type M3 Screen Long Press Num Connections deletion Previous Scre...

Page 21: ...screens When the unit s Plug Play function is active the two screens will be displayed in alternating mode In addition the backlight will flash and this will appear until the process is complete it can take a few minutes The capacitors will be connected and disconnected during the process and they will be displayed on the screen Once the unit s Plug Play function is complete if no errors are detec...

Page 22: ...fore the P P function is activated by means of carrying out the corresponding maintenance activities or replacing them while configuring all stages in the default Auto mode IMPORTANT Conditions for the correct operation of the Plug Play option The system must be maintained with a cosine of 0 62 to 0 99 inductive during the process The system s power must be stable Any important changes in load 10 ...

Page 23: ...n not be edited Table 5 2 PFCL Elite Phase Selection Options Screen V Measurement phases CT Connection Phase Ph 1 L1 L2 L3 L1 Ph 2 L1 L2 L3 L2 Ph 3 L1 L2 L3 L3 Ph 4 L1 L2 L3 L1 Inverted Transformer Ph 5 L1 L2 L3 L2 Inverted Transformer Ph 6 L1 L2 L3 L3 Inverted Transformer C K Factor Setup Screen PC5 TypeC2 This parameter is adjusted with the reactive current supplied by the smallest capacitor ste...

Page 24: ... can be calculated as follows The reactive power of the smallest capacitor Q and the grid voltage U must be known The current of this capacitor will be then calculated as The transformation ratio of the current transformer must also be known This is the K factor where Iprim is the nominal current of the transformer s primary for example it would be 250A in a 250 5 Isec is the transformer s seconda...

Page 25: ...ne that can be edited will appear in this case The unit is configured with the 1 1 1 1 program by default Table 5 4 Programs available in the PFCL Elite system Screen Display C Stage Power Ratio 1111 1 1 1 1 1 1222 1 2 2 2 2 1244 1 2 4 4 4 1248 1 2 4 8 8 1122 1 1 2 2 2 1124 1 1 2 4 4 1224 1 2 2 4 4 1233 1 2 3 3 3 1234 1 2 3 4 4 1236 1 2 3 6 6 OPEn 1 1 1 1 1 up to 1 9 9 9 9 Setup Screen of the Numb...

Page 26: ...meters establish the action limits of the alarm After the alarm is enabled from PA1 the system will display the corresponding error code see Table 5 5 when the THD Voltage or THD Current value is higher than the value configured The values configured are expressed in and can range from 0 to 99 This alarm is activated with a 15 second delay Setup Screen of the Leakage Current PA4 TypeC2 There are v...

Page 27: ...s are configured in the Auto mode by default On the measurement screens the icons of the capacitors configured as ON forced connection will be turned off for 1 second every 4 seconds Similarly the icons of the capacitors configured as OFF forced disconnection will be turned on for 1 second every 4 seconds Display State Setup Screen PC11 TypeC2 This parameter establishes the display s lighting stat...

Page 28: ... to either open the Normal state by holding or returning to the Setup screens by holding The information displayed is as follows Cosine measurement ϕ Three phase reactive power The word Stop reminds the user that the Normal state has not been activated yet Simulation of the steps connected when activating the Normal state capacitor bank The steps configured to ON forced connection are taken into a...

Page 29: ...to the previous screen when not in the edition mode Returns to the previous setup parameter when in the edition mode Browses the screens and opens the next screen when not in the edition mode Opens the next setup parameter when in the edition mode Displays the next screen in special groups when not in the edition mode such as Alarm Enable PA1 On Off Auto PC10 and Autotest PC12 Increases the value ...

Page 30: ...on Screen Type C5 Long Press Measurement Screens RUN Tipo C3 Edition Change of parameter to be edited Edition of the configurable parameter Change of parameter to be edited Browses from the Plug and Play screen Type C1 P P P P Execution Long Press Verification Screen Type C5 Long Press Long Press Measurement Screens RUN Previous Screen Next Screen P P Ending Browses from the Autotest screen Type C...

Page 31: ...HDI levels are higher than those configured in the THDI Alarm PA3 Leakage Alarm The leakage current is higher than that configured in the Leakage Current Alarm PA4 Cosine Alarm ϕ The cosine ϕis out of the range configured in the Cosine Alarm ϕ PA2 Temperature Alarm The temperature measured is higher than that configured in the Temperature Alarm PA5 Repeated Leakage Alarm Repeated leakages have bee...

Page 32: ...nce Try to avoid any form of adjustment maintenance or repairs while the unit is open If this cannot be avoided only qualified and trained staff must carry out these operations Disconnect the unit from all power supplies before performing any connection modifications relocation maintenance or repair operations If you suspect any operational faults in the unit or in its protection system remove the...

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