Circutor QNA 412 User Manual
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Circutor QNA 412 User Manual

Circutor QNA 412 User Manual

Electricity power supply quality analyzer
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ELECTRICITY POWER SUPPLY
QUALITY ANALYZER
QNA 412
(Code Q20512 / Q20532 / Q20542)
USER MANUAL
( M98155501-03-07A )
(c)
CIRCUTOR S.A.

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Summary of Contents for Circutor QNA 412

  • Page 1 ELECTRICITY POWER SUPPLY QUALITY ANALYZER QNA 412 (Code Q20512 / Q20532 / Q20542) USER MANUAL ( M98155501-03-07A ) CIRCUTOR S.A.

  • Page 2: Table Of Contents

    QNA CONTENTS page no. 1.- BASIC INSTRUCTIONS ....................3 1.1.- Checking the contents of your package............3 1.2.- QNA-412 models..................3 1.3.- Safety warnings.................... 4 1.4.- Operating instructions .................. 4 2.- MAIN FEATURES......................4 2.1.- Basic features ....................5 2.2.- Electrical features..................
  • Page 3 8.2.6.- Energy file (WAT) ................31 8.2.7.- Setting and operation of the SMS alarms ......... 31 8.2.8.- Setting and operation of the GPRS........... 31 9.- TECHNICAL SPECIFICATIONS ................... 32 10.- SAFETY CONSIDERATIONS ..................34 11.- MAINTENANCE ......................34 12.- TECHNICAL SERVICE ....................34 A.

  • Page 4: Basic Instructions

    1.- BASIC INSTRUCTIONS This manual is designed to familiarise the user with operating the power supply quality analyzer model QNA-412 in order to get the best from its features. QNA-412 is an analyzer specifically developed for supervising electrical power supply quality, which has been built with the most advanced technology in microelectronic components offering bench mark features in measuring and recording of electrical parameters in industrial power supply systems.

  • Page 5: Safety Warnings

    1.3.- Safety warnings This manual contains information and warnings about the QNA- 412 analyzer which must be followed to guarantee the proper operation of all instrument functions and to maintain it in a safe condition. If the instrument is not used in accordance with manufacturer's specifications, the instrument's protection may be damaged.

  • Page 6: Basic Features

    2.1.- Basic features The QNA-412 power supply quality analyzer (known hereafter as QNA-412) is an analyzer specifically designed to check electrical power supply quality in accordance with the IEC 61000-4-30 standard. In addition to the A.C. voltage inputs (insulated by transformers), the instrument is equipped with 4 A.C.

  • Page 7: Electrical Features

    Measurable parameters by the QNA-412 analyzer are listed below: Parameter L2 L3 Voltage Current Frequency Active power Inductive reactive power Capacitive reactive power Apparent power Active energy Inductive reactive energy Capacitive active energy Power factor Voltage THD Current THD Voltage harmonic content Current harmonic content Type of voltage wave Type of current wave...

  • Page 8: Analysis Modes

    3.- ANALYSIS MODES QNA-412 series analyzers can be used in different operating modes according to their setting. The most striking features of the analysers are: • Measurement and storage in memory of main power quality parameters (voltage values, flicker, harmonics and unbalance). •...

  • Page 9: Installation & Start-Up

    QNA-412 is equipped with a built in rotating memory for data collection (FIFO); this means that once this memory is full, new values overwrite the oldest ones. Therefore, if no data is to be lost, data must be retrieved from the memory before the oldest values are overwritten.

  • Page 10: Connection Terminal

    5.1.- Connection terminal 5.1.1.- Models RS232/RS485 and GPRS/RS232 Terminal Terminal description Upper connection terminal Upper connection R egleta superior Measurement VL1 terminal Common L1 Measurement VL2 21 22 Common L2 Measurement VL3 Common L3 Neutral Ground Not used Not used Not used Not used Not used...

  • Page 11: Model Ethernet

    5.1.2.- Model ETHERNET Terminal Terminal description Upper connection terminal R egleta superior Upper connection Measurement VL1 terminal Common L1 Measurement VL2 21 22 Common L2 Measurement VL3 Common L3 Neutral Ground Not used Not used Not used Digital input 1 Common input 1 Digital input 2 Common input 2...

  • Page 12: Communications Cables For Rj 11 Connectors

    5.1.3.- Communications cables for RJ 11 connectors The RJ connection is different for each QNA-412 model. To see ETHERNET connector, look at Apendix D.Thus: QNA-412 RS232/RS485 R1 – RS-232 Communications 21 22 R2 – RS-485 Communications QNA-412 GSM / RS232 R1 –...

  • Page 13: Starting The Qna-412 Analyzer

    5.2.- Starting the QNA-412 analyzer Please check following points before switching on the analyzer: 1) Mains supply voltage: Voltage: 100-400 V AC. ± 30% / 90-730 V DC. Frequency: 50... 60 Hz. 2) Earth terminal: The earth terminal of the analyzer must be connected to earth. If it is not connected some of the protective parts may not work properly.

  • Page 14: Connection Diagram For The Qna-412

    5.3.- Connection diagram for the QNA-412 5.3.1.- 4 wire three-phase power systems 5.3.1.1.- Direct voltage and four current transformers (L1-L2-L3-N): Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 15: 2.- Three Voltage Transformers (4 Wire) And Three Current Transformers

    5.3.1.2.- Three voltage transformers (4 wire) and three current transformers (L1-L2-L3): Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 16: Wire Three-Phase Power Systems

    5.3.2.- 3 wire three-phase power systems 5.3.2.1.- Three voltage transformers wire) three current transformers (recommended MV installation) Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 17: 2.- Direct Voltage (3 Wire) And Three Current Transformers

    5.3.2.2.- Direct voltage (3 wire) and three current transformers Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 18: 3.- Direct Voltage (3 Wire) And Two Current Transformers (Aron)

    5.3.2.3.- Direct voltage (3 wire) and two current transformers (ARON) Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 19: 4.- Two Voltage Transformers (3 Wire) And Three Current Transformers

    5.3.2.4.- Two voltage transformers (3 wire) and three current transformers Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 20: 5.- Two Voltage Transformers (3 Wire) And Two Current Transformers (Aron)

    5.3.2.5.- Two voltage transformers (3 wire) and two current transformers (ARON) Antenna 100-400 VAC. Power supply 100-400 Vc.a. Page no.

  • Page 21: The Qna-412 Analyzer's Internal Battery

    6.- THE QNA-412 ANALYZER'S INTERNAL BATTERY The analyzer has an internal battery to ensure power supply to the analyzer when any event occurs. This battery keeps the analyzer continuously powered as a default for 15 minutes without mains supply for a maximum of 9999 seconds in the event of the mains power supply being cut.

  • Page 22: Turning The Analyzer On

    7.2.- Turning the analyzer on When the QNA-412 is turned on, the first screen appears with the analyzer's identification. After a few seconds, the display will show a screen displaying the three voltages measured by QNA-412 in each phase. Use the buttons to move through each available display screen.

  • Page 23: Setting Up The Qna-412

    Neutral-Earth Voltage Neutral current Notes The QNA-412 analyzer may indicate that it is incorrectly installed or configured. Possible causes might be: • Voltage values flashing on the display. Possible causes might be: − The analyzer detects an event. This can mean a real event in the system, or a wrong rated voltage setting where the set value does not match the actual system voltage.

  • Page 24: Features Of The Monitored Electrical System

    • Current primary value: setting the primary value for the current transformers used in measuring. • Neutral current primary value: setting the primary value of the current transformer used in measuring Neutral current. 8.1.2.- Features of the monitored electrical system •...

  • Page 25: Overvoltage

    the events file (EVQ) every time this limit is exceeded, with the indication of the phase, the maximum voltage value detected, the voltage average value, voltage value previous to the event and the duration of the overvoltage event. • Overvoltage hysteresis: a overvoltage hysteresis value can be defined at a different value for the overvoltage event starting and finishing.
  • Page 26 QNA 412 Default (with default variables) 67 days 8 hours 20 min 4665 recordings EVQ (minimum) 342 recordings 32 days 16 weeks 3106 recordings (*) The STD file has been calculated assuming a 10-minute recording period, and the default parameters of the STD file.

  • Page 27: Data To Take Into Account For The Periodical Data Recording Process

    8.1.4.- Data to take into account for the periodical data recording process Some points to allow the user to precisely define the information to be used for the recording calculation procedure. Therefore, the user can define: • Description of the measurement site: an identifying field to be filled in by the user.

  • Page 28: Selecting The Parameters To Be Recorded

    8.2.- Selecting the parameters to be recorded The QNA-412 saves all quality parameter recordings in its internal memory. The different information recorded by the QNA-412 is distributed in three file types. 8.2.1.- Standard file (STD) The standard file (STD) is used to store all periodically recorded parameters. The following electrical parameters will be saved in the memory during the user-defined recording period: Parameter...

  • Page 29: Events File (Evq)

    Unbalance Voltage unbalance Voltage asymmetry Current unbalance Current asymmetry * The STD file will record the average values of the electrical parameters Flicker • Pst: the QNA-412 saves the Flicker value (Pst) obtained over the recording period. The Plt value will be calculated by the data analysis software in the Harmonics Harmonic distortion: the QNA-412 will calculate and record in the memory the value of the average voltage harmonic distortion detected in...

  • Page 30: Incidents File (Eve)

    Type of event: indication of the event type, i.e. a voltage interruption, a voltage dip or an overvoltage. These events are defined in accordance with the QNA- 412 setup. The type of event also identifies the phase where this event occurred. Duration of the event: period of time in milliseconds that the event lasted.

  • Page 31: Harmonic Statistics File (H24)

    Time change: indication of any change to the date or time of the analyzer's internal clock. Recording this event type is quite important, because if the time intervals between two successive readouts are observed to be erroneous, this might be due to a change to the time of the internal clock. Alarm activated: (for GSM instruments only).

  • Page 32: Energy File (Wat)

    recordings with no voltage events. There is also the option for taking into account incomplete or complete recordings, selected beforehand in the setup (per week). 8.2.6.- Energy file (WAT) In this file are recorded all the averaged values of energy (active, inductive and capacitive).

  • Page 33: Technical Specifications

    - Temperature range: 5 to 45 ºC. Measurement range: between 5 % and 100 %. Internal memory: Memory size: 4 Mbyte Memory configuration: rotating QNA 412 Default (with default variables) 67 days 8 hours 20 min. 4665 recordings EVQ (minimum)
  • Page 34 Micro-processor: Sampling frequency: 10.24 k samples/second in each channel (6 channels) Converter : 16 bit (Sigma delta) Assembly features: Casing: according to DIN 43859 Dimensions: according to DIN 43857 Weight: 2.3 kg STANDARDS Quality: IEC 61000-4-30 Harmonics: IEC 61000-4-7 Flicker: IEC 61000-4-15 Other standards: EN 60664, EN 61010, EN 61036, VDE 110, UL 94...

  • Page 35: Safety Considerations

    12.- TECHNICAL SERVICE For any information on the instrument's performance or in the event of breakdown, please contact CIRCUTOR's technical service. CIRCUTOR S.A. - After-sales service. Vial Sant Jordi, s/n 08232 - Viladecavalls. Tel. - (+34) 93 745 29 00 Fax - (+34) 93 745 29 14 E-mail - software@circutor.es...

  • Page 36: Appendix: Communication With The Qna-412 Connected To An External Modem

    A. Appendix: Communication with the QNA-412 connected to an external modem One of the most common configurations of the QNA-412 is to connect the analyzer to an external modem. Modem A Modem B In order to connect and prior to start up, the user must take into account that both modems must have correctly established the communication link.
  • Page 37 Check that this is set at 9,600 bauds. Given that it is impossible to ensure compatibility with all modems available on the market, Circutor recommends that the modem type is checked prior to using it. Local Modem (A) cannot make a call through a telephone switchboard.

  • Page 38: Appendix: Communications With Qna-412 (Rs-485)

    B. Appendix: Communications with QNA-412 (RS-485) QNA-412 can also establish a communication to a PC via an RS-485 network. This connection is done via the QNA-412's RS port. This kind of communication link is usually used where the analyzer is far away (1200 m, as maximum) from the PC set to be used for data viewing and management.

  • Page 39: Appendix: Communications With Qna-412 Using A Tcp-Ip Converter

    QNA-412 can also establish a communication to a PC via an ETHERNET network. For this configuration, CIRCUTOR S.A. can supply a TCP-IP / RS 232-485 (TCP2RS) converter allowing the connection of any device equipped with RS-232 or RS-485 communication to a PC via an ETHERNET network.

  • Page 40: Appendix: Setting Of A Qna-412 Ethernet Analyzer

    D. Appendix: Setting of a QNA-412 ETHERNET Analyzer The QNA-412 Ethernet, is specifically designed to communicate in Ethernet networks. This system can optimize all RS485 communication bus wiring, thereby also optimizing already created computer infrastructures and facilitating installation. A CD is supplied with the instrument, which contains different elements: EDSetup: Setting program for communication parameters.
  • Page 41 Setting the parameters – EDSetup The instrument within the company network (LAN) must be identified, with an assigned IP Address. If the IP address is not known, the network administrator must be contacted to obtain the address. To assign the IP Address, the EDSetup program must be run and the following screen will appear: To assign the IP address to the peripheral, the machine address must be known (also known as the “MAC...
  • Page 42 ETHERNET SETTING • Serial protocol: RS232 • Speed: 9600 • Character size: 8 • Parity: None • Stop bit: 1 • Flow Control: CTS/RTS (Hardware) • UDP Datagram Mode: Disable • UDP Datagram Type: empty • Local Port: it’s recomendable to write 10001. Page no.
  • Page 43 Setting of TCP Network Protocol The port redirection software will be installed (Com Port Redirector), this software allows the PC or master application to use the IP Address for the QNA-412- Ethernet as though it were a computer’s physical COM port. This will create a communications tunnel between both peripherals using a transparent connection.

  • Page 44: Appendix: Installation And Start Up Of The Qna-412-Gsm

    E. Appendix: Installation and start up of the QNA-412-GSM Configure the QNA-412 analyzer before inserting the new SIM card. The GSM line used must be capable of data transmission!!! First the SIM on the phone line to be used must be configured to enable communication with the QNA-412 GSM/RS-232's GSM modem.
  • Page 45 2. Inserting the SIM card: 8) Loosen the screws on the SIM holder cover. SIM holder T apa cover S oporte S IM 9) Carefully pull out the piece. 10) Release the SIM holding lock. 11) This position of the lock permits the user to open the holding piece and insert the SIM card. 12) Close the holding piece and place the lock back into its initial position.

  • Page 46: Appendix: Installation And Start Up Of The Qna-412-Gprs

    F. Appendix: Installation and start up of the QNA-412-GPRS Steps to be followed when setting the QNA-412 analyzer so that it sends recorded information via GPRS to an FTP server. 1.- Apply power supply voltage to the QNA-412 (it is important that when this is done, the RS-232 communications cable is not connected.
  • Page 47 FTP: IP ardes, user name and password of the FTP server where user wants to download data. Start download: Is the date when the device will Stara to send data to the FTP server. Cadency: Is the period of time that the device will use to send data. It is recommendable to set this time to 24 hours.

  • Page 48: Appendix: Setting The Sms Alarms

    G. Appendix: Setting the SMS Alarms The equipment may be set so that it sends an SMS message when a preset condition is met. Follow the steps below to activate and set the alarms. • Connect the RS-232 communications cable to the instrument or set it to communicate via GSM.
  • Page 49 3. Select the type of alarm Drop down menu with the available types of alarm: Parameters Variables to be selected No. of decimals accepted Voltage V1, V2, V3, VIII Current I1, I2, I3, IIII Active power W1, W2, W3, WIII Capacitive power vaC1, vaC2, vaC3, vaCIII Inductive power...
  • Page 50 6. Delay from reaching the alarm level to activating the alarm Time in which the alarm condition is met. If the day/month/year fields are zero, the time is daily. If these variables are 0, the alarm is always on. If the selected variable is EVQ, the unit for this variable must be stated in ms. Note: time and level conditions (limits) have to be met if the alarm is to be activated, taking into account transformer ratios.
  • Page 51 240 V Maximum value 230 V Maximum hysterisis 100 V Minimum hysterisis 90 V Minimum value The alarm will be activated under these conditions and an SMS will be sent when, for example, 240 V is exceeded for more than 5 seconds. The alarm will be deactivated and an SMS sent when V1 is below 230 V for more than 5 seconds.

  • Page 52: Appendix: Qna-412 Measurement Method

    H. Appendix: QNA-412 measurement method Input for: V1-V2 V2-V3 V3-V1 EVERY 6 FLICKER SAMPLES measurement Pinst EVERY CALCULATION SEMI-CYCLE Vrms(1/2) EVERY CYCLE CALCULATION OF VOLTAGE DIP, CALCULATION OVERVOLTAGE, EVERY 10 CALCULATION RATING HARMONICS INTERRUPTION, CYCLES UNBALANCE Pinst AND THD/d UNBALANCE AND EVQ RECORD CALCULATION OF CnVS...

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