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Summary of Contents for ROOTECH ACCURA 3300S
- Page 1 ACCURA 3300S High Accuracy Digital Power Meter With full features of power measurements Becomes a necessary solution to you, Providing simultaneously display of voltage, current, power, and energy. User Guide[English] Rev 1.6 2018/01/02...
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Page 3: Electrical Symbols
Indicates alternative voltage or current. Indicates direct voltage or current. Installation Considerations Installation and operation of Accura 3300S meter should be performed only by qualified, competent personnel that have appropriate training and experience with high voltage and current devices. Caution Failure to observe the following instructions may result in severe injury or death. -
Page 4: Limitation Of Liability
Warning Observe the following instructions, or permanent damage to the meter may occur. Do not apply Accura 3300S to voltages and currents that exceed Input ratings of PT and Manual Rootech Inc. reserves the right to make changes in the device specifications shown in this User Guide without notice. -
Page 5: Warranty Information
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 5... - Page 6 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 7 Standard Compliance CE Approved Process Control Equipment EN61326 and IEC61010 E324900 QMS-1347 KAB-QC-09 Page 7...
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Page 8: Revision History
Revision History The following versions of the Accura 3300S User’s Guide have been are released. Revision # Revision date Description Revision 1.0 2008. 03. 05 Initial draft Revision 1.1 2009. 11. 27 Voltage input range modified Revision 1.2 2015. 05. 12 Standard compliance updated 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 ....................................32 Setup Mode ....................................38 Reset Mode ....................................40 System Mode ....................................41 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 ........................
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Page 12: Chapter 1 Introduction
Overview Power Measurements Accura 3300S 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 Energy stored periodically to non-volatile memory. 4 Quadrant Energy kWh/kVARh received , kWh/kVARh delivered kWh/kVARh net[kWh/kVARh received - kWh/kVARh delivered] kWh/kVARh total[kWh/kVARh received + kWh/kVARh delivered] ... -
Page 14: Applications
Compatibility with Analog Meters Accura 3300S 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 † Phase voltage ■ ■ ■ ■ † Line to line voltage ■ ■ ■ ■ Current ■ ■ ■ Power Active ■ ■ ■ † † Reactive ■ ■ ■ † † † Apparent ■... -
Page 16: Chapter 2 Mounting
Chapter 2 Mounting Environmental Conditions The Accura 3300S 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 3300S 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: Display Mode
Display Mode In Display mode, you can view values from these measurement groups. Fig 2.1 Measurement Group A, B Fig 2.2 Measurement Group C Fig 2.3 Measurement Group D † Measurement group C, D automatically returns to A, B after 30 seconds when “group auto-return” menu item of system mode is on[default]. -
Page 33: Fig 2.4 X1000, X10 Led
x1000 LED When the “x1000” LED is lit, multiply the displayed value by 1000 for actual value. When the “x10” LED is lit, multiply the displayed value by 10 for actual value. Fig 2.4 x1000, x10 LED Parameter moving in each group Button Function Move to the previous measurement group A, C, D. - Page 34 Voltage b Current b kW b Voltage c Current c kW c † ‡ AVG/TOT means Average/Total. Total kW[phase a, b, c] Three phase 3 wires Order Parameter † ‡ AVG/TOT Line voltage average Current average Total kW Line voltage ab Current a Line voltage bc Current b...
- Page 35 Order Parameter kWh net[9digit] kWh received[9digit] kWh delivered[9digit] kWh total[9digit] Energy configured in “display energy” menu item of system mode is first displayed, and the others are recursively displayed. kWh/kVARh received is positive for “view as load”, kWh/kVARh delivered is positive for “view as generator”. kWh/kVARh net[kWh/kVARh received –...
- Page 36 † ‡ AVG/TOT Total kW demand DMD, MAX Current a peak demand DMD, MAX Current b peak demand Current c peak demand DMD, MAX † ‡ AVG/TOT DMD, MAX Total kW peak demand Voltage a THD Current a THD Voltage b THD Current b THD Voltage c THD Current c THD...
- Page 37 Current c demand † ‡ AVG/TOT Total kW demand DMD, MAX Current a peak demand Current c peak demand DMD, MAX † ‡ AVG/TOT DMD, MAX Total kW peak demand Voltage a THD Current a THD Voltage c THD Current c THD †...
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Page 38: 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 39 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 ‡...
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Page 40: 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 41: 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 42 Frequency 50Hz, 60Hz Extension module configuration No module √ DI module DO module AI module AO module Reactive power calculation Method 1 √ Method 2 † Group auto-return √ Display energy kWh received kWh delivered kWh total kWh net √ ‡...
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Page 43: 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 44 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. ∫ ∫ ∫...
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Page 45: 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 46: 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 47: 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 3300S 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 48: Reliability Test
True RMS Accuracy Accura 3300S 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... -
Page 49: 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 50 ⓒ 2008 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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