Circutor Computer SMART III FAST 12Vdc Instruction Manual
  1. Manuals
  2. Brands
  3. Circutor Manuals
  4. Controller
  5. Computer SMART III FAST 12Vdc
  6. Instruction manual

Circutor Computer SMART III FAST 12Vdc Instruction Manual

Reactive energy regulator
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
REACTIVE ENERGY REGULATOR
Computer SMART III FAST 12Vdc
(Static operation)
INSTRUCTION MANUAL
(M100B01-03-21A)

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the Computer SMART III FAST 12Vdc and is the answer not in the manual?

Questions and answers

Related Manuals for Circutor Computer SMART III FAST 12Vdc

Summary of Contents for Circutor Computer SMART III FAST 12Vdc

  • Page 1 REACTIVE ENERGY REGULATOR Computer SMART III FAST 12Vdc (Static operation) INSTRUCTION MANUAL (M100B01-03-21A)
  • Page 2 Computer SMART III FAST 12Vdc Instruction Manual...

  • Page 3: Safety Precautions

    CIRCUTOR, SA reserves the right to make modifications to the device or the unit specifications set out in this instruction manual without prior notice. CIRCUTOR, SA on its web site, supplies its customers with the latest versions of the device specifica- tions and the most updated manuals.

  • Page 4: Table Of Contents

    Computer SMART III FAST 12Vdc CONTENTS SAFETY PRECAUTIONS ���������������������������������������������������������������������������������������������������������������������������������������������������������3 DISCLAIMER ��������������������������������������������������������������������������������������������������������������������������������������������������������������������������3 CONTENTS �����������������������������������������������������������������������������������������������������������������������������������������������������������������������������4 REVISION LOG �����������������������������������������������������������������������������������������������������������������������������������������������������������������������6 SYMBOLS �������������������������������������������������������������������������������������������������������������������������������������������������������������������������������6 1�- VERIFICATION UPON RECEPTION ������������������������������������������������������������������������������������������������������������������������������������7 2�- PRODUCT DESCRIPTION �������������������������������������������������������������������������������������������������������������������������������������������������7 3�- UNIT INSTALLATION ��������������������������������������������������������������������������������������������������������������������������������������������������������9 3�1�- PRELIMINARY RECOMMENDATIONS ������������������������������������������������������������������������������������������������������������������������9 3�2�- INSTALLATION ���������������������������������������������������������������������������������������������������������������������������������������������������������9 3�3�- UNIT TERMINALS ����������������������������������������������������������������������������������������������������������������������������������������������������11 3�4�- CONNECTION DIAGRAM �����������������������������������������������������������������������������������������������������������������������������������������...
  • Page 5 Computer SMART III FAST 12Vdc 5�9�- C/K FACTOR ����������������������������������������������������������������������������������������������������������������������������������������������������������78 5�10�- ADVANCED SETUP ����������������������������������������������������������������������������������������������������������������������������������������������� 81 5�11�- VOLTAGE TRANSFORMATION RATIO ���������������������������������������������������������������������������������������������������������������������82 5�12�- HYSTERESIS �������������������������������������������������������������������������������������������������������������������������������������������������������� 83 5�13�- STATUS OF THE STAGES ���������������������������������������������������������������������������������������������������������������������������������������84 5�14�- DISPLAY �������������������������������������������������������������������������������������������������������������������������������������������������������������� 85 5�15�- ANALOGUE BAR �������������������������������������������������������������������������������������������������������������������������������������������������� 86 5�16�- FAN ����������������������������������������������������������������������������������������������������������������������������������������������������������������������87 5�17�- UNDERVOLTAGE TRIP ������������������������������������������������������������������������������������������������������������������������������������������...

  • Page 6: Revision Log

    Computer SMART III FAST 12Vdc REVISION LOG Table 1: Revision log� Date Revision Description 04/16 M100B01-03-15A Initial Version Modification in section: 05/16 M100B01-03-16A Modification in section: 03/17 M100B01-03-17A 4.9.3. Modification in section: 06/17 M100B01-03-17B Modification in section: 03/18 M100B01-03-18A 4.9.3. - 5.13. - 9...

  • Page 7: 1�- Verification Upon Reception

    CIRCUTOR S�A� after-sales service. 2.- PRODUCT DESCRIPTION The Computer SMART III FAST 12Vdc reactive energy regulator is a unit that measures the grid co- sine and regulates capacitor connection and disconnection in order to correct it. It also calculates and displays the main electrical parameters of balanced or unbalanced single-phase and three-phase net- works.
  • Page 8 Computer SMART III FAST 12Vdc outputs (Computer SMART FAST 12 III 12Vdc model) for regulating the cos φ by means of ca- pacitors. - RS-485 communications, MODBUS RTU©. Instruction Manual...

  • Page 9: 3�- Unit Installation

    The Computer SMART III FAST 12Vdc unit must be installed by authorised and qualified staff. The power supply plug must be disconnected and measuring systems switched off before handling, altering the connections or replacing the unit.
  • Page 10 Computer SMART III FAST 12Vdc The safe use of the Computer SMART III FAST 12Vdc requires the persons installing or handling it to follow the general safety measures of LV electrical installations, as well as the warnings indicated in this instruction manual.

  • Page 11: 3�3�- Unit Terminals

    Computer SMART III FAST 12Vdc 3�3�- UNIT TERMINALS Table 3:List of Computer SMART III FAST 12Vdc terminals� Terminals of the top side of the unit 1: A1, Auxiliary power supply. 22: 7, Output 7 (Computer SMART III 12 FAST 12Vdc model) 2: A2, Auxiliary power supply.

  • Page 12: 3�4�- Connection Diagram

    Computer SMART III FAST 12Vdc 3�4�- CONNECTION DIAGRAM 3�4�1�- 3 voltages + Neutral and 3 currents, Computer SMART III 6 FAST 12Vdc model� 3U.3C Connection type: Power supply Power Supply + C1...C6 1 2 3 4 5 6 Figure 3: 3 voltages + Neutral and 3 currents, Computer SMART III 6 FAST 12Vdc model�...

  • Page 13: 3�4�2�- 3 Voltages + Neutral And 3 Currents, Computer Smart Iii 12 Fast 12Vdc Model

    Computer SMART III FAST 12Vdc 3�4�2�- 3 voltages + Neutral and 3 currents, Computer SMART III 12 FAST 12Vdc model� 3U.3C Connection type: Power Supply Power Supply + C1...C12 1 2 3 4 5 6 7 8 9 10 11 12 Figure 4: 3 voltages + Neutral and 3 currents, Computer SMART III 12 FAST 12Vdc model�...

  • Page 14: 3�4�3�- 3 Voltages + Neutral And 1 Current, Computer Smart Iii 6 Fast 12Vdc Model

    Computer SMART III FAST 12Vdc 3�4�3�- 3 voltages + Neutral and 1 current, Computer SMART III 6 FAST 12Vdc model� 3U.1C Connection type: Power Supply Power Supply + C1...C6 1 2 3 4 5 6 Figure 5: 3 voltages + Neutral and 1 current, Computer SMART III 6 FAST 12Vdc model�...

  • Page 15: 3�4�4�- 3 Voltages + Neutral And 1 Current, Computer Smart Iii 12 Fast 12Vdc Model

    Computer SMART III FAST 12Vdc 3�4�4�- 3 voltages + Neutral and 1 current, Computer SMART III 12 FAST 12Vdc model� 3U.1C Connection type: Power Supply Power Supply + C1...C12 1 2 3 4 5 6 7 8 9 10 11 12 Figure 6: 3 voltages + Neutral and 1 current, Computer SMART III 12 FAST 12Vdc model�...

  • Page 16: 3�4�5�- 2 Voltages And 1 Current, Computer Smart Iii 6 Fast 12Vdc Model

    Computer SMART III FAST 12Vdc 3�4�5�- 2 voltages and 1 current, Computer SMART III 6 FAST 12Vdc model� 2U.1C Connection type: Power Supply Power Supply + C1...C6 1 2 3 4 5 6 Figure 7: 2 voltages and 1 current, Computer SMART III 6 FAST 12Vdc model�...

  • Page 17: 3�4�6�- 2 Voltages And 1 Current, Computer Smart Iii 12 Fast 12Vdc Model

    Computer SMART III FAST 12Vdc 3�4�6�- 2 voltages and 1 current, Computer SMART III 12 FAST 12Vdc model� 2U.1C Connection type: Power Supply Power Supply + C1...C12 1 2 3 4 5 6 7 8 9 10 11 12 Figure 8: 2 voltages and 1 current, Computer SMART III 12 FAST 12 Vdc model�...

  • Page 18: 3�4�7�- Leakage Current Connection, Iδ

    Computer SMART III FAST 12Vdc 3�4�7�- Leakage current connection, IΔ To measure the leakage current, an earth leakage transformer must be used, such as WGS. The leakage current transformer must be connected such as to measure the current of the capacitor bank.

  • Page 19: 3�5�- Starting Up The Unit

    Computer SMART III FAST 12Vdc 3�5�- STARTING UP THE UNIT Once the Computer SMART III FAST 12Vdc is powered on, the following screen appears on the display, Figure 10 , which shows the name of the unit, the version and the model.

  • Page 20: 4�- Operation

    Computer SMART III FAST 12Vdc 4.- OPERATION The Computer SMART III FAST 12Vdc is a reactive energy regulator unit that measures the cos φ of the grid and that regulates the connection and disconnection of capacitors in order to correct it.

  • Page 21: 4�1�- Definitions

    Computer SMART III FAST 12Vdc 4�1�- DEFINITIONS This section provides a number of definitions that may be useful for understanding the operation of the unit. 4�1�1 Four-quadrant regulator� This means that the regulator is capable of performing the measurement and regulation functions...

  • Page 22: 4�1�5� Plug And Play

    Some of these parameters might be difficult to discover, for example, the voltage phases or the correspondence between measured current and its voltage, as well as the current transformer ratio. The Computer SMART III FAST 12Vdc includes an automatic process, which intelligently works out necessary parameters such as: Connection type: detects the connection type used from among the possible options:...

  • Page 23: 4�2�- Measurement Parameters

    Computer SMART III FAST 12Vdc 4�2�- MEASUREMENT PARAMETERS The unit displays the following electrical parameters: 3U.3C 4�2�1� Connection type: 3U.3C Table 4: Computer SMART III FAST 12Vdc measurement parameters ( connection) Phases Total Parameter Units L1-L2-L3    ...

  • Page 24: 4�2�2� Connection Type: 3U.1C

    Computer SMART III FAST 12Vdc 3U.1C 4�2�2� Connection type: 3U.1C Table 5: Computer SMART III FAST 12Vdc measurement parameters ( connection) Phases Total Parameter Units L1-L2-L3     Phase-neutral voltage     Phase-phase voltage (L1) ...

  • Page 25: 4�2�3� Connection Type: 2U.1C

    Computer SMART III FAST 12Vdc 2U.1C 4�2�3� Connection type: (2U.1C connection Table 6: Computer SMART III FAST 12Vdc measurement parameters Phases Total Parameter Units L1-L2-L3 Phase-neutral voltage (L1-L2)   Phase-phase voltage (L1)   Current    Leakage current (L1)

  • Page 26: 4�3�- Key Functions

    Computer SMART III FAST 12Vdc 4�3�- KEY FUNCTIONS The Computer SMART III FAST 12 Vdc has 5 keys that can be used to browse the various screens and program the unit. Key functions on the measurement screens ( Table 7 Table 7: Key functions on the measurement screens�...
  • Page 27 Computer SMART III FAST 12Vdc Key functions on the Configuration and Test screens, editing mode ( Table 9 Table 9: Key functions on the Configuration and Test screens, edit mode� Short press Increase the value or show the next option.

  • Page 28: 4�4�- Display

    Analogue bar Data area Figure 12: Areas of the Computer SMART III FAST 12Vdc display�  The data area: displays the instantaneous, maximum and minimum values of each one of the phases which the unit is measuring or calculating.

  • Page 29: 4�4�1� Status Of The Capacitors

    Computer SMART III FAST 12Vdc 4�4�1� STATUS OF THE CAPACITORS Figure 13: Status of the capacitors� This area shows the status of the relays (stages) of the unit, and thus of the capacitors connected to it. The possible states are: ...

  • Page 30: 4�4�3� Analogue Bar

    Computer SMART III FAST 12Vdc 4�4�3� ANALOGUE BAR Figure 14: Analogue Bar This bar is displayed on the measurement screens, and can show:  the current of each phase as a percentage.  the current THD of each phase.  the power connected to the capacitor bank.

  • Page 31: 4�5�- Led Indicators

     A Fan LED: Indicates that the fan is operating.  A key pressed LED: Lights up when any of the 5 keys are pressed. Alarm Key pressed Figure 15:LED indicators of the Computer SMART III FAST 12Vdc� Instruction Manual...

  • Page 32: 4�6�- Operating States

    ( Figure 12 It is the normal operating status of the Computer SMART III FAST 12Vdc, in which the unit measures the various grid parameters and acts according to the configured parameters, connecting or discon- necting the capacitors from the capacitor bank.
  • Page 33 Computer SMART III FAST 12Vdc Phase - Neutral Voltages Parameters L1 Phase - Neutral Voltage (V or kV) L2 Phase - Neutral Voltage (V or kV) L3 Phase - Neutral Voltage (V or kV) Phase - Neutral Voltage III(V or kV) Display the minimum values.
  • Page 34 Computer SMART III FAST 12Vdc φ Cosine Parameters φ L1 Cos φ L2 Cos φ L3 Cos φ III L: Inductive / C: capacitive +: Consumed / -: generated Display the minimum values. Display the maximum values. key to switch to the Energy III consumed screen.
  • Page 35 Computer SMART III FAST 12Vdc Active Power Parameters L1 Active power (kW or MW) L2 Active power (kW or MW) L3 Active power (kW or MW) Active Power III(kW or MW) Display the minimum values. Display the maximum values. Inductive Reactive Power...
  • Page 36 Computer SMART III FAST 12Vdc Apparent Power Parameters Apparent Power Apparent Power Apparent Power Apparent Power (kVA or MVA) Display the minimum values. Display the maximum values. Leakage current / Frequency / Temperature Parameters Leakage current (mA) Frequency (Hz) Temperature (ºC) Display the minimum values.
  • Page 37 Computer SMART III FAST 12Vdc Voltage harmonics Parameters L1 Voltage harmonic L2 Voltage harmonic L3 Voltage harmonic Change the harmonic no.: 3, 5, 7, 9, 11, 13, 15, 17. Display the maximum values. Current THD Parameters L1 Current THD L2 Current THD L3 Current THD Display the maximum values.
  • Page 38 Computer SMART III FAST 12Vdc Energy III consumed Parameters Active Energy III consumed (kWh or MWh) Inductive Reactive Energy III consumed (kvarLh or MvarLh) Capacitive Reactive Energy III consumed (kvarCh or MvarCh) Apparent Energy III consumed (kVAh or MVAh) key to switch to the Main screen.
  • Page 39 Computer SMART III FAST 12Vdc Active alarms Parameters Active alarm code E01 to E017 Table 10 If there are more than 4 alarms, the information is scrolled on the screen. Table 10: Alarm codes� Code Description No current� The load current is lower than the minimum value or some of the current transformers (CT) are not connected.
  • Page 40 In these alarms, two levels have been configured:  The Lo value: When the unit exceeds this value for 30 minutes, the corresponding alarm is triggered and, if alarm E11 is enabled, the Computer SMART III FAST 12Vdc unit enters No Connection status and activates alarm E11.
  • Page 41 Computer SMART III FAST 12Vdc 3U.1C 4�6�1�2� Connection (3 Voltages + Neutral and 1 current) Main Screen Parameters Active Power III(kW or MW) Reactive Power III(kvar or Mvar) +: inductive / -: capacitive φ L: Inductive / C: capacitive +: consumed / -: generated Phase - Phase Voltage III(V or kV) Display the minimum values.
  • Page 42 Computer SMART III FAST 12Vdc Currents Parameters Current (A) Display the minimum values. Display the maximum values. φ key to switch to the Cosine Press the screen. φ Cosine Parameters φ L: Inductive / C: capacitive +: consumed / -: generated Display the minimum values.
  • Page 43 Computer SMART III FAST 12Vdc Power III Parameters Active Power III(kW or MW) Inductive Reactive Power III (kvarL or MvarL) Capacitive Reactive Power III (kvarC or MvarC) Apparent Power III (kVA or MVA) Display the minimum values. Display the maximum values.
  • Page 44 Computer SMART III FAST 12Vdc Voltage harmonics Parameters L1 Voltage harmonic L2 Voltage harmonic L3 Voltage harmonic Change the harmonic no.: 3, 5, 7, 9, 11, 13, 15, 17. Display the maximum values. Current THD Parameters Current THD (%) Display the maximum values.
  • Page 45 Computer SMART III FAST 12Vdc Energy III consumed Parameters Active Energy III consumed (kWh or MWh) Inductive Reactive Energy III consumed (kvarLh or MvarLh) Capacitive Reactive Energy III consumed (kvarCh or MvarCh) Apparent Energy III consumed (kVAh or MVAh) key to switch to the Main screen.
  • Page 46 Computer SMART III FAST 12Vdc Active alarms Parameters Active alarm code E01 to E017 Table 10 If there are more than 4 alarms, the information is scrolled on the screen. 4�6�1�3� 2U.1C Connection (2 Voltages and 1 current) Main Screen...
  • Page 47 Computer SMART III FAST 12Vdc Currents Parameters Current (A) Display the minimum values. Display the maximum values. φ key to switch to the Cosine Press the screen. φ Cosine Parameters φ L: Inductive / C: capacitive +: consumed / -: generated Display the minimum values.
  • Page 48 Computer SMART III FAST 12Vdc Power III Parameters Active Power III(kW or MW) Inductive Reactive Power III (kvarL or MvarL) Capacitive Reactive Power III (kvarC or MvarC) Apparent Power III (kVA or MVA) Display the minimum values. Display the maximum values.
  • Page 49 Computer SMART III FAST 12Vdc Voltage harmonics Parameters Voltage harmonic (%) Change the harmonic no.: 3, 5, 7, 9, 11, 13, 15, 17. Display the maximum values. Current THD Parameters Current THD (%) Display the maximum values. Current harmonics Parameters Current harmonic (%) Change the harmonic no.:...
  • Page 50 Computer SMART III FAST 12Vdc Energy III consumed Parameters Active Energy III consumed (kWh or MWh) Inductive Reactive Energy III consumed (kvarLh or MvarLh) Capacitive Reactive Energy III consumed (kvarCh or MvarCh) Apparent Energy III consumed (kVAh or MVAh) Press the key to switch to the Main screen.

  • Page 51: 4�6�2� Test Status

    Computer SMART III FAST 12Vdc Active alarms Parameters Active alarm code E01 to E017 Table 10 If there are more than 4 alarms, the information is scrolled on the screen. 4�6�2� TEST STATUS This status is identified by the symbol in the unit status area of the display (...
  • Page 52 Computer SMART III FAST 12Vdc AutoTest Parameters AutoTest home screen. To start the AutoTest: Press the key, OFF blinks. Press the key to switch from OFF to START Press the key to start the AutoTest Once the AutoTest has started, the results of the...
  • Page 53 Computer SMART III FAST 12Vdc Cosine φ test Parameters Display screen of the: φ ( 2U.1C and 3U.1C connection) φ ( L1 Cos 3U.3C connection) φ ( L2 Cos 3U.3C connection) φ ( L3 Cos 3U.3C connection) φ III( 3U.3C connection)

  • Page 54: 4�7�- Inputs

    Computer SMART III FAST 12Vdc 4�7�- INPUTS The Computer SMART III FAST 12Vdc comprises two digital inputs (terminals 31 and 32 of Figure 2 φ for activating any of the four target cos , in other words, the desired power factor for the installation, 5.3.- TARGET COS φ...

  • Page 55: 4�9�- Rs-485 Communications

    4�9�1� CONNECTIONS The RS -485 cable should be wired with a twisted pair cable with mesh shield (minimum 3 wires), with a maximum distance between the Computer SMART III FAST 12Vdc and the master unit of 1,200 metres. A maximum of 32 Computer SMART III FAST 12Vdc units can be connected to this bus.

  • Page 56: 4�9�2� Protocol

    It allows individual master-slave dialogue and also enables commands in broadcast format. In the Modbus protocol, the Computer SMART III FAST 12Vdc unit uses the RTU (Remote Terminal Unit) mode. In the RTU mode, the message start and end are detected with silences of at least 3.5 characters, and the 16-bit CRC error-detection method is used.

  • Page 57: 4�9�3� Modbus Memory Map

    Computer SMART III FAST 12Vdc 4�9�3� MODBUS MEMORY MAP A.- Measurement Variables For these variables Function 04 is implemented: reading logs. The Modbus addresses of all the tables are hexadecimal. Table 13: Modbus memory map: measurement variables (Table 1) Parameter...
  • Page 58 Computer SMART III FAST 12Vdc Table 13 (Continuation): Modbus memory map: measurement variables (Table 1) Parameter Instantaneous Maximum Minimum Units L3 kvar sign 4C-4D +1 or -1 Three-phase voltage 4E-4F 24E-24F 34E-34F V/100 Three-phase current 50-51 250-251 350-351 Three-phase active power...
  • Page 59 Computer SMART III FAST 12Vdc Inductive Inductive Capacitive Capacitive Generated Consumed Power Power Figure 17: Diagram of the four measurement and compensation quadrants� Table 14:Modbus memory map: measurement variables (Table 2) Parameter Instantaneous Maximum Units L1 Fundamental Voltage Harmonic 400-401...
  • Page 60 Computer SMART III FAST 12Vdc  outputs variable Shows the status of the 12 (Computer SMART III 12 FAST 12Vdc model) or 6 (Computer SMART III 6 FAST 12Vdc model) isolated voltage outputs. It is a 16-bit variable in which each bit indicates the status of an output.
  • Page 61 Computer SMART III FAST 12Vdc B.- Programming variables The following functions are implemented for these variables: Function 04: reading logs. Function 10: Writing multiple logs. Table 16:Modbus memory map: programming variables (Table 1) Unit parameters Configuration variable Address Serial number...
  • Page 62 Computer SMART III FAST 12Vdc Table 20:Modbus memory map: programming variables (Table 5) Status of the stages Configuration variable Address Valid data margin Default value 1110 1111 1112 1113 0 (Auto), 1114 1 (On), 1115 1116 2 (OFF), 1117 3 (OnNc)
  • Page 63 Computer SMART III FAST 12Vdc Table 25:Modbus memory map: programming variables (Table 10) C/K factor Configuration variable Address Valid data margin Default value C/K factor 1138 0 - 100 (Value x 100) Table 26:Modbus memory map: programming variables (Table 11)
  • Page 64 Computer SMART III FAST 12Vdc Table 33:Modbus memory map: programming variables (Table 18) Alarm: Cos φ low Configuration variable Address Valid data window Default value Values of Cos φ low 1149 50 - 100 (Value x 100) Current value 114A 0 - 9999 A Type of Cos φ...
  • Page 65 Computer SMART III FAST 12Vdc Enable Alarm E13 1161 Enable Alarm E14 1162 Enable Alarm E15 1163 Enable Alarm E16 1164 Enable Alarm E17 1165 Output associated with Alarm E01 1170 Output associated with Alarm E02 1171 Output associated with Alarm E03...

  • Page 66: 4�9�4� Example Of A Modbus Query

    Computer SMART III FAST 12Vdc 4�9�4� EXAMPLE OF A MODBUS QUERY Query: Instantaneous value of the L1 phase voltage Address Function Initial log No� of logs 0000 0002 70B0 Address: 0A, Peripheral number: 10 in decimal. Function: 04, Read function.

  • Page 67: 5�- Configuration

    Computer SMART III FAST 12Vdc 5.- CONFIGURATION The various configuration parameters of the unit can be consulted and edited in the unit setup menu. The unit always keeps the capacitors disconnected (except in the Plug&Play function). This status is identified by the...

  • Page 68: 5�1�- Plug&Play

    Computer SMART III FAST 12Vdc 5�1�- PLUG&PLAY The Plug&Play function assists the user during the configuration of the unit, since it automatically configures the basic parameters that are required for the unit to perform its regulation functions correctly. To start the Plug&Play process, press the The process enters editing mode.
  • Page 69 Computer SMART III FAST 12Vdc Once the Plug&Play function of the unit ends, if no errors occurred during the process, the results are shown by the display on two screens, as follows: Connection type: 3U.3C: 3 voltages and 3 currents�...
  • Page 70 Computer SMART III FAST 12Vdc Table 41 (Continuation) : Code of Plug&Play errors� Code Description Error in the measurement of the largest capacitor. No capacitors found. Incorrect measurement of the number of capacitors. Incorrect measurement of the ratio of the first capacitor.

  • Page 71: 5�2�- Current Transformation Ratio

    Computer SMART III FAST 12Vdc 5�2�- CURRENT TRANSFORMATION RATIO The primary and secondary value of the current transformer is configured in this point. Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified.

  • Page 72: 5�3�- Target Cos

    Computer SMART III FAST 12Vdc φ 5�3�- TARGET COS φ makes it possible to define the power factor required for the installation. The Computer The cos SMART III FAST 12Vdc will add the number of capacitors needed to adjust the value as close as possible to the objective value.

  • Page 73: 5�4�- Connection And Reconnection Time

    Computer SMART III FAST 12Vdc 5�4�- CONNECTION AND RECONNECTION TIME In this point the action times of the device are configured in seconds: is the minimum time between the connection and disconnection of a single stage (counted in number of network cycles).

  • Page 74: 5�5�- Connection Type

    Computer SMART III FAST 12Vdc 5�5�- CONNECTION TYPE In this point the connection type of the installation is selected, where: 3u3C : 3 voltages + neutral and 3 currents. 3u1C : 3 voltages + neutral and 1 current. 2u1C : 2 voltages and 1 current.
  • Page 75 Computer SMART III FAST 12Vdc Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified. key shows the next option and the key shows the previous option. Press to validate the data;...

  • Page 76: 5�7�- No� Of Stages

    Computer SMART III FAST 12Vdc Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified. key shows the next option. key shows the previous option. key skips to the previous voltage.

  • Page 77: 5�8�- Program

    Computer SMART III FAST 12Vdc key shows the next option. key shows the previous option. Press to validate the data; the symbol disappears from the display. Press the key to access the next programming step. If no keys are pressed for 5 minutes, the unit switches to the simulation screen, “5.29.- SIMULATION...

  • Page 78: 5�9�- C/K Factor

    Computer SMART III FAST 12Vdc key increases the digit value. key decreases the digit value. key skips to the previous digit and the key skips to the next digit. Press to validate the data; the symbol disappears from the display.
  • Page 79 Computer SMART III FAST 12Vdc Table 44:C/K factor (table 2)� Power of the smallest stage at 440 V (in kvar) CT Ratio (Ip / Is) 2�5 5�0 7�5 10�0 12�5 15�0 20�0 25�0 30�0 40�0 50�0 60�0 75�0 80�0 150/5 0.09 0.18 0.27 0.36 0.45 0.54 0.72 0.90...
  • Page 80 Computer SMART III FAST 12Vdc in which case the C/K value of the previous example would be 0.72. If the C/K is configured lower than the actual value, connections and disconnections would occur continuously with few load variations (the system performs more opera- tions than necessary).

  • Page 81: 5�10�- Advanced Setup

    Computer SMART III FAST 12Vdc 5�10�- ADVANCED SETUP In this point it is possible to decide whether to access the advanced setup menu. If the option is selected, the next programming step will be the voltage transformation ratio “5.11.- VOLTAGE TRANSFORMATION RATIO”...

  • Page 82: 5�11�- Voltage Transformation Ratio

    Computer SMART III FAST 12Vdc 5�11�- VOLTAGE TRANSFORMATION RATIO In this point the primary and secondary value of the voltage transformer can be configured. Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified.

  • Page 83: 5�12�- Hysteresis

    Computer SMART III FAST 12Vdc 5�12�- HYSTERESIS The L (inductive) and C (capacitive) hysteresis values of the target cos φ are specified in this section. As long as the cos φ is within this range, the device does not connect any paths, but it can disconnect them.

  • Page 84: 5�13�- Status Of The Stages

    Computer SMART III FAST 12Vdc 5�13�- STATUS OF THE STAGES This parameter is repeated for each of the 6 or 12 possible stages, offering the opportunity to force their status without paying attention to the operation performed by the actual unit.

  • Page 85: 5�14�- Display

    Computer SMART III FAST 12Vdc 5�14�- DISPLAY In this point the language of the screen can be configured. Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified The display language options are as follows: ...

  • Page 86: 5�15�- Analogue Bar

    Computer SMART III FAST 12Vdc 5�15�- ANALOGUE BAR At this point the parameter to be displayed in the analogue bar is configured ( “4.4.3. ANALOGUE BAR” Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified.

  • Page 87: 5�16�- Fan

    Computer SMART III FAST 12Vdc 5�16�- FAN In this point the activation of the relay output associated with the fan can be configured. It is possible to configure whether it is enabled or not , as well as the temperature above which it is to be activated or deactivated.

  • Page 88: 5�17�- Undervoltage Trip

    Computer SMART III FAST 12Vdc 5�17�- UNDERVOLTAGE TRIP At this point we configure the voltage threshold over which the undervoltage trip function acts. This function disables all the steps enabled in the event of any measured phase-phase voltages presenting a value below the configured threshold. It will not enable them again until the measured phase-phase voltages do not exceed the threshold.

  • Page 89: 5�18�- Rs-485 Communications

    Computer SMART III FAST 12Vdc 5�18�- RS-485 COMMUNICATIONS In this point the RS-485 communication parameters can be configured. Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified.

  • Page 90: 5�19�- Clear

    Computer SMART III FAST 12Vdc 5�19�- CLEAR In this point it is possible to configure whether or not to delete ( ) the maximum and minimum values, the energies and the number of connections of the stages. Press the key to enter editing mode. It is identified by the symbol and the blinking of the digits to be modified.

  • Page 91: 5�20�- Enabling Alarms

    Computer SMART III FAST 12Vdc 5�20�- ENABLING ALARMS This screen is repeated for every type of Error or Alarm (from ); see In it the Table 10� enabling or disabling of each error or alarm can be configured, as can whether or not to associate it with the activation of a relay or a digital output.

  • Page 92: 5�21�- Voltage Alarms

    Computer SMART III FAST 12Vdc 5�21�- VOLTAGE ALARMS In this point the phase-phase voltage thresholds above which the overvoltage alarm ( ) and the no voltage alarm ( ) should be triggered can be configured. Note: The alarm must be enabled ( “5.20.- ENABLING ALARMS”)

  • Page 93: 5�22�- Cos Φ Low Alarm

    Computer SMART III FAST 12Vdc Press the key to access the next programming step. If no keys are pressed for 5 minutes, the unit switches to the simulation screen, “5.29.- SIMULATION SCREEN” φ 5�22�- COS LOW ALARM In this point the lower limit for action of the cos φ alarm can be configured. It is activated every time φ...

  • Page 94: 5�23�- Cos Φ High Alarm

    Computer SMART III FAST 12Vdc If the value entered is lower than the minimum value or higher than the maximum value, the backlight of the display flashes and the value entered is replaced with the minimum or maximum value, or with the last value validated.

  • Page 95: 5�24�- Voltage Thd Alarm

    The parameters to be configured are:  The value : when the unit exceeds this value for 30 minutes, alarm is triggered, is enabled, the Computer SMART III FAST 12Vdc unit enters No Connection and if alarm status and activates alarm  The...

  • Page 96: 5�25�- Current X I Thd Alarm

    Computer SMART III FAST 12Vdc key decreases the digit value. key skips to the previous digit and the key skips to the next digit. Press to validate the data; the symbol disappears from the display. Value and Value: Maximum value: 99 %...
  • Page 97  The value: if the unit exceeds this value for 30 seconds, alarm is triggered, and is enabled, the Computer SMART III FAST 12Vdc unit enters the Disconnection if alarm status and activates alarm If the unit falls back under the value for 10 minutes, it deactivates the alarms and returns to the normal operating status.

  • Page 98: 5�26�- Temperature Alarm

    30 seconds, alarm is triggered, and if alarm is enabled, the Computer SMART III FAST 12Vdc unit enters Disconnection status and activates alarm If the unit falls back under the value for 10 minutes, it deactivates the alarms and returns to the normal operating status.

  • Page 99: 5�27�- Leakage Current Alarm

    Computer SMART III FAST 12Vdc If the value entered is lower than the minimum value or higher than the maximum value, the backlight of the display flashes and the value entered is replaced with the minimum or maximum value, or with the last value validated.

  • Page 100: 5�28�- No� Of Operations Alarm

    Computer SMART III FAST 12Vdc Press to validate the data; the symbol disappears from the display. Maximum value: 999 mA. Minimum value: 1 mA. If the value entered is lower than the minimum value or higher than the maximum value, the backlight of the display flashes and the value entered is replaced with the minimum or maximum value, or with the last value validated.

  • Page 101: 5�29�- Simulation Screen

    Computer SMART III FAST 12Vdc Press the key to access the next programming step. If no keys are pressed for 5 minutes, the unit switches to the simulation screen, “5.29.- SIMULATION SCREEN” 5�29�- SIMULATION SCREEN This screen can be accessed by pressing the key for more than 3 seconds, in order to exit the configuration status.

  • Page 102: 6�- Technical Features

    Computer SMART III FAST 12Vdc 6.- TECHNICAL FEATURES AC Power supply Rated voltage 100 ... 520 V Frequency 50 ... 60 Hz Computer SMART III 6 FAST 12 Vdc Computer SMART III 12 FAST 12Vdc Consumption 10...15 VA 13...20 VA...
  • Page 103 Maximum altitude 2,000 m IP31 Protection degree Front panel: IP51 Mechanical features Dimensions (Figure 18) 144x144x78 mm Weight 575 g Enclosure Self-extinguishing V0 plastic Assembly Panel 21.75 5.84 Figure 18: Dimensions of the Computer SMART III FAST 12Vdc� Instruction Manual...
  • Page 104 Computer SMART III FAST 12Vdc Standards Safety requirements for electrical units for measurement, control and laboratory UNE-EN 61010:2010 use� Electrical equipment for measurement, control and laboratory use - EMC require- UNE-EN 61326-1:2013 ments - Part 1: General requirements Instruction Manual...

  • Page 105: 7�- Maintenance And Technical Service

    Computer SMART III FAST 12Vdc 7.- MAINTENANCE AND TECHNICAL SERVICE In the case of any query in relation to device operation or malfunction, please contact the CIRCUTOR, SA Technical Support Service. Technical Assistance Service Vial Sant Jordi, s/n, 08232 - Viladecavalls (Barcelona) Tel: 902 449 459 ( España) / +34 937 452 919 (outside of Spain)

  • Page 106: 9�- Ce Certificate

    Computer SMART III FAST 12Vdc 9.- CE CERTIFICATE Instruction Manual...
  • Page 107 Computer SMART III FAST 12Vdc Instruction Manual...
  • Page 108 Computer SMART III FAST 12Vdc Instruction Manual...
  • Page 109 Computer SMART III FAST 12Vdc Instruction Manual...
  • Page 110 CIRCUTOR, SA Vial Sant Jordi, s/n 08232 -Viladecavalls (Barcelona) Tel.: (+34) 93 745 29 00 - Fax: (+34) 93 745 29 14 www.circutor.es central@circutor.com...

Table of Contents