ROOTECH Accura 3300 User Manual
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ROOTECH Accura 3300 User Manual

High accuracy digital power meter
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ACCURA 3300
High Accuracy Digital Power Meter
With full features of power measurements
Becomes a necessary solution to you.
User Guide[English]
Rev 1.6
2017/09/20

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Summary of Contents for ROOTECH Accura 3300

  • Page 1 ACCURA 3300 High Accuracy Digital Power Meter With full features of power measurements Becomes a necessary solution to you. User Guide[English] Rev 1.6 2017/09/20...
  • Page 2 Page 2...
  • Page 3 Indicates alternative voltage or current. Indicates direct voltage or current. Installation Considerations Installation and operation of Accura 3300 meter should be performed only by qualified, competent personnel that have appropriate training and experience with high voltage and current devices. Danger Failure to observe the following instructions may result in severe injury or death.
  • Page 4 Warning Observe the following instructions, or permanent damage to the meter may occur. Do not apply Accura 3300 to voltages and currents that exceed Input ratings of PT and  Limitation of Liability Rootech Inc. reserves the right to make changes in the device specifications shown in this User’s Guide without notice.
  • Page 5 Standard Compliance CE Approved Process Control Equipment EN61326 and IEC61010 E324900 QMS-1347 KAB-QC-09 Page 5...
  • Page 6 Rootech’s liability shall be limited to twice the amount of the relevant purchased product. Rootech shall not be liable for any claim- other than a claim solely for the breach of one of the Page 6...
  • Page 7 Only the terms expressed in these limited Warranties shall apply and no distributor, corporation or other entity, individual or employee of Rootech or any other entity is authorized to amend, modify or extend the Warranties in any way.
  • Page 8 Revision History The following versions of the Accura 3300 User’s Guide have been are released. Revision # Revision date Description Revision 1.0 2006. 06. 30 Initial draft Revision 1.1 2007. 07. 13 Mounting modified Revision 1.2 2012. 05. 21 Voltage input range modified Revision 1.3...

  • Page 9: Table Of Contents

    Contents Chapter 1 Introduction ........................... 12 Overview ......................................12 Power Measurements ..............................12 Accuracy....................................12 Power Quality ..................................12 CE/UL Safety and Reliability ............................12 Features ......................................13 Measurement ..................................13 Power Quality ..................................13 Communication ................................. 13 Power Supply..................................13 Applications ....................................
  • Page 10 Step 5: Add a Cover/Power Up the Meter ........................30 Add a Cover ..................................30 Power Up the Meter ............................... 30 Chapter 3 Meter Operation/Setup ......................31 Display Mode ....................................31 Setup Mode ....................................35 Reset Mode ....................................37 System Mode ....................................38 Reactive Calculation Method............................
  • Page 11 Figures Fig 1.1 Front Side ................................17 Fig 1.2 Rear Side ................................17 Fig 1.3 Front View ................................18 Fig 1.4 Rear View................................18 Fig 1.5 Side View ................................18 Fig 1.6 ANSI 4” .................................. 19 Fig 1.7 DIN96 ..................................19 Fig 1.8 Voltage and Current Connector ........................

  • Page 12: Chapter 1 Introduction

    Overview Power Measurements Accura 3300 is a high accuracy digital power meter, suited to power measurements. The device is applied to a variety of applications, electrical facilities, intelligent building system, factory, generator and etc, making measurements of voltage, current, power, frequency, power factor, and demand.

  • Page 13: Features

    Features Measurement 64 Sampling/Cycle True RMS  IEC 62053-22 Class 0.5S  50, 60Hz  Phase voltage, line to line voltage, current  Power, energy, power factor, frequency  Fundamental component, True RMS of current  4 Quadrant Power  Demand, peak demand, Prediction demand ...

  • Page 14: Applications

    Compatibility with Analog Meters Accura 3300 mounts directly in ANSI C39.1[4” Round] or DIN 96. this is perfect for new installations and for existing panels. In new installations, simply use existing DIN or ANSI punches.

  • Page 15: Parameters

    Parameters Realtime Average Total Maximum Minimum Prediction Phase voltage ■ ■ ■ ■ Line to line voltage ■ ■ ■ ■ Current ■ ■ ■ Power Active ■ ■ ■ Reactive ■ ■ ■ Apparent ■ ■ ■ Energy Active ■...

  • Page 16: Chapter 2 Mounting

    Chapter 2 Mounting Environmental Conditions The Accura 3300 should be mounted in a dry, dirt free location away from heat sources and very high electric fields. To operate properly and effectively, environmental conditions should range within the following guidelines Items...

  • Page 17: Before You Begin

    Before You Begin Before installing the meter, observe the instructions in this guide and read the safety precautions presented on the “Installation Considerations” page. Danger Power up after the voltage and current wiring is completed. Meter Overview Fig 1.1 Front Side Fig 1.2 Rear Side Page 17...

  • Page 18: Meter Dimensions

    Meter Dimensions Fig 1.3 Front View Fig 1.4 Rear View Fig 1.5 Side View Page 18...

  • Page 19: Step 1: Mounting

    Step 1: Mounting Sequence Remove connector on the bottom of the meter. fit the meter into cutout[ANSI 4” or DIN96] Fig 1.6 ANSI 4” Fig 1.7 DIN96 Note The meter is mounted on switchgear boards (metal cabinet) in electrical facilities. Page 19...

  • Page 20: Step 2: Voltage And Current Inputs

    Step 2: Voltage and Current Inputs Fig 1.8 Voltage and Current Connector Voltage Input Pin name Connector Terminal block Wire 2.1 to 3.5 mm [ 14 to 12 AWG] Rating 0 ~ 600V 3 ~ L-L[Line to line], 0 ~ 457V 3 ~ L-N[Line to neutral] Burden 0.02VA/phase @220V Impedance...

  • Page 21: Current Input

    Current Input Pin name 1S, 2S, 3S, 1L, 2L, 3L Connector Terminal block[Busbar] Wire 2.1 to 6 mm [ 14 to 10 AWG] Ratings 5A nominal/ 10A full scale 3 ~ Burden Maximum 0.005A/phase @10A Compliance Pollution degree 2, Installation Category Ⅲ CT[Current Transformer] Compliance UL61010-1;...

  • Page 22: Wiring Diagram Using External Pts

    Wiring Diagram Using External PTs Danger Failure to observe the following wiring diagrams may result in severe injury or death. Be sure to use shorting block when connecting the meter to CT secondaries. Fig 1.9 Single Phase 2 Wires, Wiring Mode = 1P2U Warning In single phase 2 wires, be sure to use V , 1S, 1L terminals as the above.

  • Page 23: Fig 1.10 Three Phase 3 Wire Open Delta Using 2Cts, Wiring Mode = 3P3O

    Fig 1.10 Three Phase 3 Wire Open Delta Using 2CTs, Wiring Mode = 3P3O Warning In three phase 3 wire open delta, be sure to connect V to V as the above. Fig 1.11 Three Phase 3 Wire Open Delta Using 3CTs, Wiring Mode = 3P3O Warning In three phase 3 wire open delta, be sure to connect V to V...

  • Page 24: Fig 1.12 Three Phase 4 Wires Using 3 Pts And 3 Cts, Wiring Mode = 3P4U

    Fig 1.12 Three Phase 4 Wires Using 3 PTs and 3 CTs, Wiring Mode = 3P4U Page 24...

  • Page 25: Direct Diagram Using No Pts

    Direct Diagram Using No PTs Danger Failure to observe the following wiring diagrams may result in severe injury or death. Be sure to use shorting block when connecting the meter to CT secondaries. Fig 1.13 Single Phase 2 Wire Direct , Wiring Mode = 1P2U Warning In single phase 2 wires, be sure to use V , 1S, 1L terminals as the above.

  • Page 26: Fig 1.14 Single Phase 3 Wire Direct Using 2 Cts, Wiring Mode = 1P3U

    Fig 1.14 Single Phase 3 Wire Direct Using 2 CTs, Wiring Mode = 1P3U Warning In single phase 3 wires, be sure to use V , 1S, 1L, 3S, 3L terminals as the above. Fig 1.15 Three Phase 3 Wire Open Delta Direct, Wiring Mode = 3P3O Warning In three phase 3 wire open delta direct, use PTs for voltages over 457V [line to line].

  • Page 27: Fig 1.16 Three Phase 3 Wire Open Delta Direct Using 3 Cts, Wiring Mode = 3P3O

    Fig 1.16 Three Phase 3 Wire Open Delta Direct Using 3 CTs, Wiring Mode = 3P3O Warning In three phase 3 wire open delta direct, use PTs for voltages over 457V [line to line]. be sure to connect V to V as the above.

  • Page 28: Step 3: Wire The Rs485 Communication

    UL2919 cable is recommended for communication. Comm Indicator Comm LED shows green when the meter is transmitting data. Protocol The meter provides Modbus RTU protocol. Refer to the Accura 3300 Communication User’s Guide for Modbus protocol implementation details. Page 28...

  • Page 29: Step 4: Wire The Power Supply And Ground Terminal

    Step 4: Wire the Power Supply and Ground Terminal Fig 1.19 Wiring of Power Supply and Ground Terminal Power Supply Pin name PP[+/L], PN[-/N] Connector Screw terminal[Pluggable] Wire 1.25 to 3.5 mm [ 24 to 14 AWG] Ratings AC 85 ~ 265V, 50/60Hz ~, DC 100 ~ 300V Compliance Pollution degree 2 Burden...

  • Page 30: Step 5: Add A Cover/Power Up The Meter

    Step 5: Add a Cover/Power Up the Meter Add a Cover Fig 1.20 Cover Power Up the Meter Close the PT fuses( or direct voltage input fuses). Open the CT shorting blocks. Apply power to the meter. Page 30...

  • Page 31: Chapter 3 Meter Operation/Setup

    Chapter 3 Meter Operation/Setup Each of these functions can be accomplished by pressing the Menu, Up, Down, and Enter buttons on the front panel. Display mode View parameter measurements Setup mode Configure parameters[wiring, communication, and etc.] Reset mode Reset energy, demand, maximum, and minimum. System mode View meter system information[meter option, firmware version].
  • Page 32 AVG LED When the “AVG” LED is lit, fourth row LED display shows the average value of A, B, C displays. TOT LED When the “TOT” LED is lit, fourth row LED display shows the sum of A, B, C displays. x1000 LED When the “x1000”...
  • Page 33 Parameter displays in following order In Group B Order Parameter A, B, C Average Total Max phase voltage √ √ Min phase voltage √ √ Max line to line voltage √ √ Min line to line voltage √ √ Max current √...
  • Page 34 Frequency Note Energy[kWh, kVARh, kVAh] is read by the total number which join third and fourth LED display together. Example] if third LED display = 0020 and fourth LED display = 01200, then actual value 002001200 2001200. Page 34...

  • Page 35: Setup Mode

    Setup Mode In Setup mode, You can setup menus, such as PT/CT ratio, wiring, and communication after mounting the meter. Button Functions in Setup Mode Button Function Enter setup mode by pressing the Up and Down buttons at the same time. Move to the previous menu screen.
  • Page 36 Wiring mode Single phase 2 wires Single phase 3 wires Three phase 3 wires, Open Delta Three phase 4 wires √ Comm address 1 ~ 247 Protocol Modbus RTU √ Rootech † Speed[bps] 1200bps 2400bps 4800bps 9600bps √ 19200bps 38400bps ‡...

  • Page 37: Reset Mode

    Reset Mode In Reset Mode, you can perform a Energy reset, a Demand reset, or a Maximum/minimum reset. Energy Reset Initialize kWh, kVARh, kVAh Demand Reset Initialize all of Demand, Peak Demand Maximum/minimum Reset Initialize all of Maximum Button Functions in Reset Mode Button Function Enter reset mode by pressing the Down and Enter buttons at the...

  • Page 38: System Mode

    System Mode You can view system information, such as product number, version, demand time, frequency selection, and etc. Button Functions in System Mode Button Function Enter System Mode Move to the previous menu screen. Move to the next menu screen. Enter system edit mode to configure the displayed menu value.
  • Page 39 Frequency 50Hz, 60Hz Reactive power calculation Method 1 √ Method 2 † Demo mode √ Serial number Version X.XX Hardware version X.XX Firmware version † When operated in demo mode, SETUP LED blinks. Page 39...

  • Page 40: Reactive Calculation Method

    Reactive Calculation Method Rootech supports two methods for accurate calculation of reactive power. Method 1: General Calculation Method 1 is used to obtain reactive power, and apparent power by using calculation of vector apparent power. ∫ ∫ ∫ ∫ ∫...
  • Page 41 regeneration], power factor and active power are negative. Method 2: Calculation regarding Harmonics Method 2 is used to obtain reactive power from apparent and active power, and the overall apparent power by using calculation of vector apparent power. ∫ ∫ ∫...

  • Page 42: Appendix A Standard Specification

    APPENDIX A Standard Specification Voltage Input 0 ~ 600V 3 ~ L-L, 0 ~ 457V 3 ~ L-N  [In three phase 3 wire open delta direct, use PTs for voltages over 457V line to line] Calibration: 60 ~ 220V per phase ...

  • Page 43: Appendix B Standard Compliance

    APPENDIX B Standard Compliance Accuray IEC62053-22 Class 0.5S  Safety UL61010-2, 2 edition[IEC61010]  IEC61326-1[IEC61000-4-2]: Electrostatic Discharge[ESD]  IEC61326-1[IEC61000-4-3]: EM Field  IEC61326-1[IEC61000-4-4]: Electric Fast Transient  IEC61326-1[IEC61000-4-5]: Surge Immunity  IEC61326-1[IEC61000-4-6]: Conducted RF Immunity  IEC61326-1[IEC61000-4-8]: Rated Power Frequency Magnetic Field ...

  • Page 44: Appendix C Test Report

    APPENDIX C Test Report Measuring Test IEC62053-22, Electricity Meter Equipment: active energy for Class 0.5S Current range Power factor Class 0.2S/ 0.5S Accura 3300 0.05A < I < 0.25A ±0.4%/ ±1.0% ±0.4% 0.25A < I < 10.0A ±0.2%/ ±0.5% ±0.2% 0.10A <...

  • Page 45: Reliability Test

    True RMS Accuracy Accura 3300 Harmonic Voltage Current ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% ±1.0% *Voltage : 220V 50% harmonic analysis/ current : 5A 50% harmonic analysis Reliability Test IEC61326, Electrical Equipment for Measurement, Control, and Laboratory- EMC...

  • Page 46: Index

    INDEX Ａ Ｍ Accura PDA, 13 Measurement, 14 ANSI 4”, 20 Meter Overview, 18 Applications, 15 Mounting, 20 Assembly/Mounting, 17 Ｐ Ｂ Parameter, 16 Before You Begin, 18 Power Quality, 14 Power Supply, 30 Ｃ Ｒ Communication, 14 Current Input, 22 Rear Side, 18 Rear View, 19 Ｄ...
  • Page 47 Page 47...
  • Page 48 ⓒ 2006 Rootech Inc. All Rights Reserved Accura EMeter, Accura 2300S/2350, Accura 2300S/2350-1P3FSC, Accura 2600/2750, Accura 3000, Accura 3300S/3300, Accura 3300E, Accura 3500S/3500, Accura 3550S/3550, Accura 5500, Accura 7500 are trademarks of Rootech Inc. Contact rootech for detailed specifications and order information.

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