ROOTECH ACCURA 2500 User Manual
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ROOTECH ACCURA 2500 User Manual

Smart dc distribution panel digital power meter/power measuring module
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User Guide [English]
Revision 1.60 March 8, 2023
Energy Solution for
Human & Nature
ACCURA
2500/2550[DC]
Smart DC Distribution Panel Digital Power
Meter/Power Measuring Module
Provide the Best Multi-functional Smart Device Solution
(UL Certification Process Underway)

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  • Page 1 Energy Solution for Human & Nature ACCURA 2500/2550[DC] Smart DC Distribution Panel Digital Power Meter/Power Measuring Module Provide the Best Multi-functional Smart Device Solution User Guide [English] Revision 1.60 March 8, 2023 (UL Certification Process Underway)
  • Page 2 Smart Distribution Panel Digital Power Meter Main Distribution Panel Module Accura 2500M Front Accura 2500M Rear Main Distribution Panel Module + Main Distribution Panel Main Distribution Panel Module with Voltage Divider HMI Module Accura 2500D/2500M Front Accura 2500M-VD Front Main Distribution Panel HMI Module Accura 2500D Front Accura 2500D Rear...
  • Page 3 DC Power Measuring Module DC Power Measuring Module DC Terminal Block Accura 2550CMD-1P-250A TM-CM-1P-105 Accura 2550CMD-1P-1500A Accura 2550CMD-1P-125A TM-CM-1P-60 Accura 2550CMD-1P-100A TM-CM-1P-50L Accura 2550CMD-1P-750A Accura 2550CMD-1P-60A TM-CM-1P-50...
  • Page 4 DC Power Measuring Meter Accura 2550DCM-500V-80A Accura 2550DCM-50V-80A Special-purpose Modules Accura 2550TEMP Accura TSEN Accura 2550GW...
  • Page 5 Always power the device with the correct rated voltage.  Install the device in a suitable electrical cabinet by following recommended installation instructions.  Failure to take these precautions could cause serious injuries or death. ⓒ 2019 Rootech Inc. All Rights Reserved Page 5...
  • Page 6 300 V About the Manual Rootech Inc. reserves the right to make changes in the device specifications shown in this User Guide without notice. Therefore, we recommend that customers should check the latest information on specifications of the device before making orders.
  • Page 7 Rootech will decide at its discretion whether to repair or replace it or give a refund for the product for when the warranty period for the product expired or issues related to the product are not applicable for warranty terms and conditions.
  • Page 8 Warranty Accura 2500/2550 User Guide [DC] Rootech shall not be liable for any other claims except the claims made by customers, including the original purchaser, his employees, agents, or contractors for any loss, damage, or expense incurred related to the purchased product when the above warranty terms and conditions are not fulfilled.
  • Page 9 Accura 2500/2550 User Guide [DC] Revision History Revision History The revision history of Accura 2500/2550 User Guide[DC] is as follows. Revision Date Description Revision 1.00 March 20, 2020 First issue Revision 1.10 October 14, 2020 Updated content related to events Modified content about accuracy Revision 1.20...

  • Page 10: Table Of Contents

    RS-485 Communication ..................................71 Chapter 3 Accura 2500M ..............................72 Device Composition ......................................72 Control Power Supply ....................................73 Voltage Terminal Block .................................... 74 Ethernet Port for External Communication ............................ 76 Page 10 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 11 Step 4: Ethernet Setup of Accura 2500M ............................ 113 Chapter 5 Accura 2550 ..............................114 Operation Mode ...................................... 114 Button Operation..................................... 114 Accura 2550CMD ......................................115 Applied Models ......................................115 LCD Display ........................................ 115 Display Mode ......................................116 ⓒ 2019 Rootech Inc. All Rights Reserved Page 11...
  • Page 12 Limitation in the Number of Connectable Modules due to Power Consumption ..........153 Limitation in the Number of Connectable Modules in a Single Group................ 153 Connecting Modules in Two Groups ............................. 155 Page 12 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 13 Appendix D Accuracy/Reliability ..........................157 Accuracy ........................................157 Reliability ........................................158 Appendix E Ordering Information ..........................159 Accura 2500/2550 Smart DC Distribution Panel Digital Power Meter ................159 Special-purpose Modules ..................................159 ⓒ 2019 Rootech Inc. All Rights Reserved Page 13...
  • Page 14 Fig 2.33 Combined Installation of Accura 2500M and 2500D ....................47 Fig 2.34 Mounting Accura 2550CMD on the Panel ........................48 Fig 2.35 Installing Accura 2550CMD-1P-1500A ..........................49 Fig 2.36 Installing Accura 2550CMD-1P-750A through Mounting Holes (Mounting Plate/Busbar) ....50 Page 14 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 15 Fig 3.9 Combined Connection between Accura 2500M and Accura 2500D ..............79 Fig 3.10 Connecting Accura 2500M with Accura 2500D using the Communication Cable ........79 Fig 3.11 Connection Example of Accura 2500 and Accura 2550 Modules ..............80 Fig 3.12 Block Diagram of Custom Events ............................84 Fig 4.1 Accura 2500D Device Composition ............................
  • Page 16 Fig 6.3 Voltage and Current Sensing and Signal Processing ....................126 Fig 6.4 DC Voltage Wiring with a Single Wire (1DC2W) ......................128 Fig 6.5 DC Voltage Wiring with 2 Wires and a Common Ground Wire (2DC3W) ............. 129 Page 16 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 17 Fig 6.13 「Under」 Condition Detection ............................139 Fig 6.14 Aggregation Process ................................142 Fig B.1 Module Connection Diagram in a Single Group......................154 Fig B.2 Module Connection Diagram in Two Groups ......................155 ⓒ 2019 Rootech Inc. All Rights Reserved Page 17...

  • Page 18: Chapter 1 Product Introduction

    2550 module that suits your needs according to the AC/ DC voltage specifications of distribution panels. Dip(Sag)/Swell Data Available for Power Quality Analysis Accura 2500/2550 provide data on voltage dips and swells for power quality analysis. It allows energy managers to easily identify changes in power quality in various distribution panels at power facilities, enabling effective power quality management.

  • Page 19: Fig 1.1 Identical Lengths Of Accura 2550Cmd And Mccbs With Various Ratings

    Therefore, it ensures safety from electrical accidents, as well as easy installations. The TM-CM terminal block allows for easier electrical wiring. Fig 1.2 Through-hole type Current Sensing Structure of Accura 2550CMD ⓒ 2019 Rootech Inc. All Rights Reserved Page 19...

  • Page 20: Product Information

    Terminal block for TM-CM-1P -105 Accura 2550CMD-1P-250A terminal block 240 g Accura 2550CMD Accura 2550CMD-1P-125A terminal block 135 g -50L Accura 2550CMD-1P-100A terminal block 125 g Accura 2550CMD-1P-60A terminal block 90 g Page 20 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 21: Special-Purpose Module

    Accura 2500/2550 User Guide [DC] Chapter 1 Product Introduction The abbreviated names of Accura 2500/2550 modules are shown in the table below. Abbreviated Name Description A2500M Accura 2500M A2500D Accura 2500D A2550CMD CMD module Accura 2550CMD A2550DCM DCM meter Accura 2550DCM...

  • Page 22: Installation Example

    1. It is provided with the product. Additional cables for a ring topology are sold separately. The conducting wire should be at least 0.205 mm (24 AWG). It is recommended to keep a distance of over 5 mm from power lines generating high levels of noise. Page 22 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 23: Fig 1.4 Connection Of Accura 2500D And 2500M Using Communication Cables

    0.205 mm (24 AWG). It is recommended to keep a distance of over 5 mm from power lines generating high levels of noise. ⓒ 2019 Rootech Inc. All Rights Reserved Page 23...

  • Page 24: Product Features

    Up to 30 modules In two groups Up to 40 Supports communication redundancy through a ring topology using 2 ports in group 1 & 2 External Communication with the Host System Page 24 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 25 5” (108.0 x 64.8 mm) Color TFT LCD 800 x 480 pixel LED backlight and touch panel (Users can touch the front LCD screen)) Control Power Supply Power supply Receives power from Accura 2500M ⓒ 2019 Rootech Inc. All Rights Reserved Page 25...
  • Page 26 Power supply Receives power from Accura 2500M 1. The number of the modules that can be connected varies by module type. Refer to 「Appendix B Module Connection」 for details about module connection. Page 26 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 27 Power supply Receives power from Accura 2500M 1. The number of modules that can be connected varies by module type. Refer to 「Appendix B Module Connection」 for details about module connection. ⓒ 2019 Rootech Inc. All Rights Reserved Page 27...

  • Page 28: Chapter 2 Installation

    Chapter 2 Installation Conditions for Installation Accura 2500/2550 should be installed at the locations that are not affected by high temperatures and high electric fields. To operate the products properly, you should install it under the environmental conditions as below.

  • Page 29: Before Installation

    Accura 2500/2550 User Guide [DC] Chapter 2 Installation Before Installation Before installing Accura 2500/2550, observe the following instructions and safety precautions. Caution You should power up the device after voltage and current wiring is completed. Product Appearance Fig 2.1 Accura 2500M Front Fig 2.2 Accura 2500M Side...

  • Page 30: Fig 2.5 Accura 2500M-Vd Side

    Chapter 2 Installation Accura 2500/2550 User Guide [DC] Fig 2.4 Accura 2500M-VD Front Fig 2.5 Accura 2500M-VD Side Fig 2.6 Accura 2500M-VD Rear Page 30 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 31: Fig 2.7 Accura 2500D Front

    Accura 2500/2550 User Guide [DC] Chapter 2 Installation Fig 2.7 Accura 2500D Front Fig 2.8 Accura 2500D Side Fig 2.9 Accura 2500D Rear ⓒ 2019 Rootech Inc. All Rights Reserved Page 31...

  • Page 32: Fig 2.10 Accura 2550Cmd

    Chapter 2 Installation Accura 2500/2550 User Guide [DC] Fig 2.10 Accura 2550CMD Accura 2550CMD-1P-1500A Accura 2550CMD-1P-750A Accura 2550CMD-1P-250A Accura 2550CMD-1P-125A/100A/60A Page 32 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 33: Fig 2.11 Accura 2550Dcm

    Accura 2500/2550 User Guide [DC] Chapter 2 Installation Fig 2.11 Accura 2550DCM Fig 2.12 TM-CM-1P-105 Fig 2.13 TM- CM-1P-60/50L/50 ⓒ 2019 Rootech Inc. All Rights Reserved Page 33...

  • Page 34: Components

    3 m x 1 EA, 75 cm x 1 EA Accura 2500M-VD Mounting 2 bolt caps 4 mounting Internal communication cables wings (L/S) screws 1. Additional cables for connection with Accura 2550 modules in a ring topology are sold separately. Page 34 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 35: Fig 2.16 Accura 2500D Components

    Fig 2.17 Components of Accura 2550CMD-1P-1500A Model 30 cm x 1 EA Accura 2550CMD-1P-1500A Internal communication cables 1. Additional cables for connection with Accura 2550 modules in a ring topology are sold separately. ⓒ 2019 Rootech Inc. All Rights Reserved Page 35...

  • Page 36: Fig 2.18 Components Of Accura 2550Cmd-1P-750A Model

    10 cm x 1 EA Accura 2550CMD-1P-125A/100A/60A Mounting plate 2 mounting screws Internal communication cable 1. Additional cables for connection with Accura 2550 modules in a ring topology are sold separately. Page 36 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 37: Fig 2.21 Accura 2550Dcm Components

    1. Additional cables for connection with Accura 2550 modules in a ring topology are sold separately. Fig 2.22 Components of TM-CM-1P-105 Terminal Block TM-CM-1P-105 TM-CMD-1P-105 Cover 2 mounting screws Fig 2.23 Components of TM-CM-1P-60/50L/50 Terminal Block TM-CM-1P-60/50L/50 TM-CM-1P-60/50L/50 cover 1 mounting screw ⓒ 2019 Rootech Inc. All Rights Reserved Page 37...

  • Page 38: Dimensions

    68.8 240 g x 54.0 (The weight includes the cover for 62.8 60.0 135 g the terminal block) x 54.0 -50L 62.5 50.0 125 g x 54.0 57.2 50.0 90 g Page 38 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 39: Fig 2.24 Accura 2500D/2500M Dimensions

    Accura 2500/2550 User Guide [DC] Chapter 2 Installation Accura 2500D/2500M Fig 2.24 Accura 2500D/2500M Dimensions Accura 2500D/2500M Front Accura 2500M Front Accura 2500M-VD Front Fig 2.25 Accura 2500D Dimensions Front Rear ⓒ 2019 Rootech Inc. All Rights Reserved Page 39...

  • Page 40: Fig 2.26 Accura 2550Cmd-1P Dimensions

    Chapter 2 Installation Accura 2500/2550 User Guide [DC] Accura 2550CMD Fig 2.26 Accura 2550CMD-1P Dimensions Accura 2550CMD-1P-1500A Accura 2550CMD-1P-750A Accura 2550CMD-1P-250A Cables do not pass through the hole in the middle. Page 40 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 41: Fig 2.27 Accura 2550Dcm Dimensions

    Accura 2500/2550 User Guide [DC] Chapter 2 Installation Accura 2550CMD-1P-125A Accura 2550CMD-1P-100A/60A Accura 2550DCM Fig 2.27 Accura 2550DCM Dimensions Accura 2550DCM-500V/50V-80A ⓒ 2019 Rootech Inc. All Rights Reserved Page 41...

  • Page 42: Fig 2.28 Tm-Cm-1P Dimensions

    Chapter 2 Installation Accura 2500/2550 User Guide [DC] TM-CM Fig 2.28 TM-CM-1P Dimensions TM-CM-1P-105 TM-CM-1P-105 cover TM-CM-1P-60 TM-CM-1P-60 cover TM-CM-1P-50L TM-CM-1P-50L cover TM-CM-1P-50 TM-CM-1P-50 cover Page 42 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 43: Installation Example

    1. It is provided with the product. Additional cables needed for a ring topology are sold separately. Its conducting wire should be at least 0.205 mm (24 AWG). It is recommended to keep a distance of over 5 mm from the power lines generating high levels of noise. ⓒ 2019 Rootech Inc. All Rights Reserved Page 43...

  • Page 44: Step 1: Panel Mounting

    ② Cover the back of the module with the fixing wheel. ③ Fix the module onto the panel by turning the mounting wheel. Fig 2.30 Mounting Accura 2500D on the Panel Page 44 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 45: Mounting Accura 2500M On The Panel

    ② Insert the bolt caps into the module. And then position it onto the mounting holes of the panel. ③ Fix the module onto the panel using screws. Fig 2.31 Mounting Accura 2500M on the Panel ⓒ 2019 Rootech Inc. All Rights Reserved Page 45...

  • Page 46: Fig 2.32 Mounting Accura 2500M-Vd On The Panel

    ② Insert the bolt caps into the module. And then position it onto the mounting holes of the panel. ③ Fix the module onto the panel using screws. Fig 2.32 Mounting Accura 2500M-VD on the Panel Page 46 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 47: Fig 2.33 Combined Installation Of Accura 2500M And 2500D

    ④ Attach Accura 2500M to the back of Accura 2500D. ⑤ Fix Accura 2500M onto the back of Accura 2500D using the two bolts of Accura 2500M module. Fig 2.33 Combined Installation of Accura 2500M and 2500D ⓒ 2019 Rootech Inc. All Rights Reserved Page 47...

  • Page 48: Mounting Accura 2550Cmd On The Panel

    Accura 2550CMD-1P-1500A and 750A modules come with an integrated busbar and are installed by directly connecting the modules to cables. Fig 2.34 Mounting Accura 2550CMD on the Panel 0.5 mm tolerance between devices required Page 48 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 49: Fig 2.35 Installing Accura 2550Cmd-1P-1500A

    Accura 2550CMD-1P-1500A module comes with an integrated busbar and is installed by directly connecting it to cables without mounting it on a panel. Fig 2.35 Installing Accura 2550CMD-1P-1500A Applied Model Accura 2550CMD-1P-1500A ⓒ 2019 Rootech Inc. All Rights Reserved Page 49...

  • Page 50: Fig 2.36 Installing Accura 2550Cmd-1P-750A Through Mounting Holes (Mounting Plate/Busbar)

    Accura 2550CMD-1P-750A/ 250A/ 125A/ 100A/ 60A module comes with an integrated busbar. Fig 2.36 Installing Accura 2550CMD-1P-750A through Mounting Holes (Mounting Plate/Busbar) Applied Model Accura 2550CMD-1P-750A Fig 2.37 Installing Accura 2550CMD-1P through Mounting Holes (Mounting Plate/Terminal Block) Applied Model Accura 2550CMD-1P-250A TM-CM-1P-105 Page 50 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 51 Accura 2500/2550 User Guide [DC] Chapter 2 Installation Applied Model Accura 2550CMD-1P-125A TM-CM-1P-60 Applied Model Accura 2550CMD-1P-100A/60A TM-CM-1P-50L ⓒ 2019 Rootech Inc. All Rights Reserved Page 51...
  • Page 52 Chapter 2 Installation Accura 2500/2550 User Guide [DC] Applied Model Accura 2550CMD-1P-100A/60A TM-CM-1P-50 Page 52 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 53: Installation Of Accura 2550Dcm

    Place the DCM module at the location where you want to install it. ② Insert screws into the mounting wings. Fig 2.38 Panel Mounting Mounting the Product on the DIN Rail Fig 2.39 DIN Rail Mounting ⓒ 2019 Rootech Inc. All Rights Reserved Page 53...

  • Page 54: Step 2: Wiring Accura 2500M Module

    2. The basic voltage(Un) of Accura 2500M module is 280 Vdc. Caution When installing a fuse at the voltage input unit, it is recommended to use a fuse with ratings above 2 A/500 V. Page 54 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 55: Fig 2.41 1Dc2W Connection

    Accura 2500/2550 User Guide [DC] Chapter 2 Installation 1DC2W Connection Set the voltage wiring mode to 1DC2W. Fig 2.41 1DC2W Connection 2DC3W Connection Set the voltage wiring mode to 2DC3W. Fig 2.42 2DC3W Connection ⓒ 2019 Rootech Inc. All Rights Reserved Page 55...

  • Page 56: Fig 2.43 3Dc4W Connection

    Accura 2500/2550 User Guide [DC] 3DC4W Connection Set the voltage wiring mode to 3DC4W. Fig 2.43 3DC4W Connection Bipolar Connection Set the voltage wiring mode to Bipolar(3W). Fig 2.44 Bipolar(3W) Connection Page 56 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 57: Voltage Wiring Of Accura 2500M-Vd

    In order to only use Accura 2500M without the Voltage Divider, you should deactivate Voltage Divider settings. For details, refer to 「Chapter 4 Accura 2500D > SETUP Mode > Accura 2500M Setup > MEASUREMENT Setup」. ⓒ 2019 Rootech Inc. All Rights Reserved Page 57...

  • Page 58: Fig 2.46 1Dc2W Connection Of Accura 2500M-Vd

    1DC 2W Connection Set the voltage wiring mode to 1DC2W. Fig 2.46 1DC2W Connection of Accura 2500M-VD Bipolar Connection Set the voltage wiring mode to Bipolar(3W). Fig 2.47 Bipolar(3W) Connection of Accura 2500M-VD Page 58 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 59: Control Power Supply /Ground Wiring

    Unipolar Connection Set the voltage wiring mode to Unipolar (2W). Fig 2.48 Unipolar(2W) Connection of Accura 2500M-VD Control Power Supply /Ground Wiring Fig 2.49 Control Power Supply Wiring of Accura 2500M ⓒ 2019 Rootech Inc. All Rights Reserved Page 59...
  • Page 60 1. The max tightening torque of the terminal screws of the barrier-type terminal block is 1.4 Nm (14 kgf-cm, 12 lbf-in). Note The ground terminal of Accura 2500M is connected to the earth ground of the panel. Page 60 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 61: Step 3: Connecting Accura 2500M With 2500D Via The Communication Cable

    DISPLAY ports of Accura 2500M and 2500D modules. Accura 2500M supplies control power to Accura 2500D via the internal communication cable. Fig 2.50 DISPLAY Port on Accura 2500M Fig 2.51 Accura 2500D Rear ⓒ 2019 Rootech Inc. All Rights Reserved Page 61...

  • Page 62: Fig 2.52 Connecting Accura 2500M With 2500D Using The Communication Cable

    Communication cable length Up to 3 m Power supply Supplies power via the communication cable 1. It is provided with the product. Fig 2.52 Connecting Accura 2500M with 2500D using the Communication Cable Page 62 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 63: Step 4A: Current Wiring Of Accura 2550Cmd Module

    Fig 2.53 Wiring of Accura 2550CMD-1P-1500A Module Applied Model DC power measuring module Accura 2550CMD-1P-1500A ▶ : Load located at the lower part ◀ : Load located at the upper part ⓒ 2019 Rootech Inc. All Rights Reserved Page 63...

  • Page 64: Fig 2.54 Wiring Of Accura 2550Cmd-1P-750A Module

    Fig 2.54 Wiring of Accura 2550CMD-1P-750A Module Applied Model DC power measuring module Accura 2550CMD-1P-750A ▶ : Load located on the right side ◀ : Load located on the left side Page 64 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 65: Through-Hole Wiring Of Accura 2550Cmd-1P Module

    Accura 2550CMD-1P-250A (Cables do not pass through the hole in the middle.) Fig 2.56 Through-hole Wiring of Accura 2550CMD-1P-125A/100A/60A Module Applied Model DC power measuring module Accura 2550CMD-1P-125A Accura 2550CMD-1P-100A Accura 2550CMD-1P-60A ⓒ 2019 Rootech Inc. All Rights Reserved Page 65...

  • Page 66: Step 4B: Voltage/Current Wiring Of Accura 2550Dcm

    Fig 2.57 Wiring of Accura 2550DCM Applied Model DC Power Measuring Meter Accura 2550DCM-500V-80A Accura 2550DCM-50V-80A < Current Flowing through Both < Current Flowing through the + Bus Bus Bars> Bar> Page 66 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 67: Step 5: Connecting Accura 2500M With 2550 Modules

    Check connectivity of modules in advance by referring to 「Appendix B Module Connection」 due to limitations in the length of the communication cable and the number of connectable modules according to the power consumption of modules. ⓒ 2019 Rootech Inc. All Rights Reserved Page 67...

  • Page 68: Fig 2.58 Connection Between Accura 2500M/2550 Modules Using Internal Communication Cables

    2 ports (RJ45A, RJ45B) 1. It varies by module type. Refer to 「Appendix B Module Connection」 for details on module connection. 2. The RJ45A and RJ45B ports have the same functions. Page 68 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 69: Step 6: Connecting Accura 2500M Modules For External Communication

    Note When wiring modules in a ring topology, use the Ethernet cable supporting RSTP and activate the RSTP function to quickly resume communication. Fig 2.59 Ethernet Ports on Accura 2500M ⓒ 2019 Rootech Inc. All Rights Reserved Page 69...

  • Page 70: Fig 2.60 Connecting Accura 2500M Modules Via Ethernet Communication

    At sites where distribution panels or switchboards are installed, a large amount of electromagnetic wave is emitted due to multiple power cables. This can have a serious impact on Ethernet communication quality. Therefore, you should use shield cables. Page 70 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 71: Rs-485 Communication

    3. At 115,200 bps, a master can communicate with up to 16 slave devices, and the maximum distance between the master and the slave is 600 m. Fig 2.62 Connecting Accura 2500M Modules via RS-485 Communication ⓒ 2019 Rootech Inc. All Rights Reserved Page 71...

  • Page 72: Chapter 3 Accura 2500M

    Accura 2500M is also connected to the host system via external communication using Ethernet or RS-485 cables. Device Composition Fig 3.1 Device Composition of Accura 2500M Page 72 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 73: Control Power Supply

    Accura 2550 modules. 3. When installing a fuse at the voltage input unit, it is recommended to use a fuse with ratings above 2 A/500 V due to inrush current ⓒ 2019 Rootech Inc. All Rights Reserved Page 73...

  • Page 74: Voltage Terminal Block

    Up to 300 Vdc Maximum measuring range Up to 550 Vdc 1. The max tightening torque of the terminal screws of the barrier-type terminal block is 1.4 Nm (14 kgf-cm, 12 lbf-in). Page 74 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 75: Fig 3.4 Voltage Wiring Of Acura 2500M-Vd

    Up to 1,200 Vdc Unipolar(2W) Up to 2,000 Vdc Up to 2,400 Vdc 1. The max tightening torque of the terminal screws of the barrier-type block is 1.4 Nm (14 kgf-cm, 12 lbf-in). ⓒ 2019 Rootech Inc. All Rights Reserved Page 75...

  • Page 76: Ethernet Port For External Communication

    1. FTP(Foiled Shield Twisted Pairs), STP(Braided Shield Twisted Pairs), SFTP(Braided Foiled Shield Twisted Pairs) 2. The built-in Ethernet switches allow for daisy-chain connection between Accura 2500M modules without the need for separate external switches. 3. RSTP(Rapid Spanning Tree Protocol), IEEE 802.1D-2004 Page 76 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 77: Fig 3.6 Connecting Accura 2500M Modules With Ethernet Cables For External Communication

    Accura 2500/2550 User Guide [DC] Chapter 3 Accura 2500M Fig 3.6 Connecting Accura 2500M Modules with Ethernet Cables for External Communication (Daisy-chain & Ring Topology) Daisy-chain & Ring Topology (RSTP Protocol) ⓒ 2019 Rootech Inc. All Rights Reserved Page 77...

  • Page 78: Rs-485 Port For External Communication

    3. At 115,200 bps, a master can communicate with up to 16 slave devices, and the maximum distance between the master and the slave is 600 m. Fig 3.8 Connecting Accura 2500M Modules with the RS-485 Cable for External Communication Page 78 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 79: Communication Port For Connection With The Hmi Display Module

    Protocol Internal dedicated protocol Communication cable length Up to 3 m Power supply Control power supplied to Accura 2500D module using the communication cable 1. It is provided with the product. ⓒ 2019 Rootech Inc. All Rights Reserved Page 79...

  • Page 80: Communication Ports For Connection With Accura 2550 Modules

    Check connectivity of modules in advance by referring to 「Appendix B Module Connection」 due to limitations in the length of the communication cable and the number of connectable modules according to the power consumption of modules. Fig 3.11 Connection Example of Accura 2500 and Accura 2550 Modules Ring Topology (Communication Redundancy) Page 80 ⓒ...

  • Page 81: Led Status Indicators

    It blinks when the device operates properly (It can be set to be turned on). RS485 Orange It blinks when Accura 2500M module performs RS-485 communication with Accura 2550 modules (It can be set to be turned on). ⓒ 2019 Rootech Inc. All Rights Reserved Page 81...

  • Page 82: Functions

    1. The basic voltages Un of Accura 2500M and Accura 2500M-VD are 280 Vdc and 560 Vdc, respectively. 2. To measure high DC voltages above 550 V, you should use the Accura 2500M-VD module with the Voltage Divider. Page 82 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 83: Power Quality

    Selectable among Voltage/Current/Power/ Etc. Number of event channels 1. The event of each module can be set up on the screen of Accura 2500D module. 2. It can be set up only via communication. ⓒ 2019 Rootech Inc. All Rights Reserved Page 83...

  • Page 84: Fig 3.12 Block Diagram Of Custom Events

    Custom event data for each channel are as shown below. For details about custom events, refer to 「Chapter 6 Functions > Events > Measurement Events > Custom Events」. Fig 3.12 Block Diagram of Custom Events Page 84 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 85: Controls Of Accura 2550 Modules

    TFT Color LCD screen of Accura 2500D module. Users can set all functions of Accura 2500M/2550 modules on the TFT Color LCD screen with the touch functionality. ⓒ 2019 Rootech Inc. All Rights Reserved Page 85...

  • Page 86: Chapter 4 Accura 2500D

    2500M module. It provides users with data on Accura 2500M and the measurement and operational status of multiple Accura 2500 modules collected from Accura 2500M through the TFT Color LCD screen on the front of Accura 2500D module. Users can set all functions of Accura 2500M and Accura 2550 modules on the TFT Color LCD screen providing the touch functionality.
  • Page 87 Dedicated internal protocol Communication cable length Up to 3 m Control power supply Receives power from Accura 2500M using the built-in connector or communication cable 1. It is provided with the product. ⓒ 2019 Rootech Inc. All Rights Reserved Page 87...

  • Page 88: Connection

    Combined Connection with Accura 2500M Fig 4.2 Combined Connection with Accura 2500M Connection with Accura 2500M using the Communication Cable Fig 4.3 Connection with Accura 2500M using the Communication Cable Page 88 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 89: Display (Home) Mode

    0.2-second frame after clearing the data. If the max and min values have never been renewed since they were initialized, the time data for the values at the time of initialization are provided. ⓒ 2019 Rootech Inc. All Rights Reserved Page 89...

  • Page 90: Display Screen Of Accura 2550Cmd Module

    「SETUP > DEVICE > Main CM> Main A2550CM Assignment」 menu, the voltage measurement items of the main module and the current/power/energy measurement items of the selected Accura 2550CMD power measuring modules appear on the measurement screen of the main module. Fig 4.4 SUMMARY Measurement Screen Page 90 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 91: Fig 4.5 Dc Voltage Measurement Screen

    Max/Min values RMS voltage Max/Min values CURRENT Measurement Screen It provides detailed measurement data on current. Fig 4.6 Current Measurement Screen Sub-menu Description Note DC current Max/Min values RMS current Max/Min values ⓒ 2019 Rootech Inc. All Rights Reserved Page 91...

  • Page 92: Fig 4.7 Dc Power Measurement Screen

    Real energy (Received, Delivered, Sum, Net) 1. “Sum” indicates the value calculated by adding the delivered energy to the received energy. “Net” indicates the value calculated by subtracting the delivered energy from the received energy. Page 92 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 93: Fig 4.9 Waveform Measurement Screen

    Indicates the device name, installation location and date, and description of the device Local Time Indicates the local time and GMT offset A2500M Indicates information on Accura 2500M module A2500D Indicates information on Accura 2500D module A2550CMD Indicates information on Accura 2550CMD module ⓒ 2019 Rootech Inc. All Rights Reserved Page 93...

  • Page 94: Display Screen Of Accura 2550Dcm Meter

    Indicates the device name, installation location and date, and description of the device A2550DCM Indicates information on Accura 2550DCM meter Indicates the status of the built-in digital outputs of Accura 2550DCM meter Page 94 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 95: Setup Mode

    Users can return to the SUMMARY setup screen by pressing the BACK button at the bottom of the screen. ⓒ 2019 Rootech Inc. All Rights Reserved Page 95...

  • Page 96: Fig 4.12 Summary Setup Screen

    1. This setup item appears only on the Accura 2500M-VD module. In order to only use the functions of Accura 2500M device, you should disable Voltage Divider settings. 2. The default setting of the Accura 2500M-VD module is DC. Page 96 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 97: Fig 4.14 Changed Item Displayed

    1.0 – 9.0 % 2.0 % Volt. Connection (Voltage Connection) Fuse Fail Disable / Enable Disable Line Open Disable / Enable Disable 1. It indicates the percentage of the reference voltage value. ⓒ 2019 Rootech Inc. All Rights Reserved Page 97...

  • Page 98: Fig 4.16 Ethernet Communication Setup Screen

    3. They indicate hexadecimal numbers between 0 and 255. 4. At 115,200 bps, a master can communicate with up to 16 slave devices, and the maximum distance between the master and the slave is 600 m. Page 98 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 99: Fig 4.17 Main Cmd Setup Screen

    3. The IDs of all Accura 2550 modules connected to Accura 2500M are changed to the standby ID 255. CONTROL Setup The CONTROL setup screen consists of Reset and Test Mode setup items. Fig 4.18 Reset Screen ⓒ 2019 Rootech Inc. All Rights Reserved Page 99...

  • Page 100: Fig 4.19 Description Setup Screen

    0 – 1439 min 120 min End Month January / February / ... / December November End Nth Day of Month 1st Day / 2nd Day / ... / 5th Day Page 100 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 101 LCD screens of all power measuring modules connected to Accura 2500M. 5. Accura 2550CMD-1P-1500A/750A/250A modules display measured current and power values. 6. Accura 2550DCM meter displays the module ID. 7. Temperature is measured by Accura 2550TEMP module. ⓒ 2019 Rootech Inc. All Rights Reserved Page 101...

  • Page 102: Accura 2550Cmd Setup

    Setup Range Default Current Rated Current [A] 1 – Basic current Basic current Min. Measured Current [%] 0.00 – 20.00 % 0.10 % Load Wiring Load Direction >>>(left-to-right) / <<<(right-to-left) >>>(left-to-right) Page 102 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 103: Fig 4.22 Current Event Setup Screen

    80 % Hysteresis [%] 1 – 20 % Low Limit [%] 0 – 200 % Time Delay [sec] 0.0 – 10.0 sec 0.0 sec 1.It indicates the percentage of the rated current. ⓒ 2019 Rootech Inc. All Rights Reserved Page 103...

  • Page 104: Fig 4.23 Dc Adjustment Setup Screen

    The SYSTEM setup screen consists of the Description setup item. Fig 4.24 Description Setup Screen Setup Items Setup Range Default Description Device Name 29 Characters Null Location 29 Characters Null Description 29 Characters Null Page 104 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 105: Accura 2550Dcm Setup

    SUMMARY setup screen by pressing the BACK button at the bottom of the screen. Fig 4.25 SUMMARY Setup Screen MEASUREMENT Setup The MEASUREMENT setup screen consists of Voltage and Current setup items. Fig 4.26 Voltage Measurement Setup Screen ⓒ 2019 Rootech Inc. All Rights Reserved Page 105...

  • Page 106: Fig 4.27 Voltage Event Setup Screen

    1. It indicates the percentage of the basic voltage of Accura 2550DCM meter. 2. It can be set up in steps of 0.2 seconds. 3. It indicates the percentage of the basic current of Accura 2550DCM meter. Page 106 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 107: Fig 4.28 Do Setup Screen

    None / Operate None 1. It can be set up when the output type is set to 「Pulse」. 2. It can be set up when the hold mode is set to 「Definite Time」. ⓒ 2019 Rootech Inc. All Rights Reserved Page 107...

  • Page 108: Fig 4.29 Dc Adjustment Setup Screen

    The SYSTEM setup screen consists of the Description setup item. Fig 4.30 Description Screen Setup Items Setup Range Default Description Device Name 29 Characters Null Location 29 Characters Null Description 29 Characters Null Page 108 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 109: Event Mode

    Voltage / Current / Power / Etc. Power quality Dip / Swell System Module / Communication / Setup / Etc. 1. Line open and fuse fail events are categorized as voltage parameters. ⓒ 2019 Rootech Inc. All Rights Reserved Page 109...

  • Page 110: Measurement Events

    12 subframes at 60 Hz and 10 subframes at 50 Hz, respectively. By using the submenus on the left, users can return to the desired event list screen. Page 110 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 111: Power Quality Events

    RMS/DC data measured at 12 subframes at 60 Hz and 10 subframes at 50 Hz, respectively. By using the submenus on the left, users can return to the desired event list screen. ⓒ 2019 Rootech Inc. All Rights Reserved Page 111...

  • Page 112: System Events

    Using the sub menus located on the left side of the screen, users can easily check event data by filtering different types of events. Fig 4.36 SYSTEM Events Screen Page 112 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 113: Necessary Steps For Device Setup

    Chapter 4 Accura 2500D Necessary Steps for Device Setup Users need to take the following steps in order to properly operate Accura 2500/2550 Smart Distribution Panel Digital Power Meter. Step 1: Setup for the Measured Voltage Type of Accura 2500M Users should select DC for the measured voltage type of DC distribution panels.

  • Page 114: Chapter 5 Accura 2550

    Note If there is no button operation for 30 seconds(operating time can be set) in the setup mode or the edit mode, the operation mode automatically returns to the display mode. Page 114 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 115: Accura 2550Cmd

    Module ID Description Communication ID ID 0 – 39 Module ID that enables communication Conflict ID Redundant There are more than 2 identical IDs. communication unavailable ⓒ 2019 Rootech Inc. All Rights Reserved Page 115...

  • Page 116: Display Mode

    Accura 2550CMD-1P-125A/100A/60A module shows the display screen in the following sequence. Current Power By short pressing the SET button, you can manually change the automatic display screen. Long press the SET button to enter the setup mode. Page 116 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 117: Setup Mode

    If there is no button operation for 30 seconds(operating time can be set) in the setup mode or the edit mode where you can change settings, the operation mode automatically returns to the display mode. ⓒ 2019 Rootech Inc. All Rights Reserved Page 117...
  • Page 118 2. The basic current of Accura 2550CMD module is as follows. The value set by users cannot exceed the basic current. Model Basic Current Accura 2550CMD-1P-1500A 1,500 Adc Accura 2550CMD-1P-750A 750 Adc Accura 2550CMD-1P-250A 250 Adc Accura 2550CMD-1P-125A 125 Adc Accura 2550CMD-1P-100A 100 Adc Accura 2550CMD-1P-60A 60 Adc Page 118 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 119 DC voltage lines, refer to 「Chapter 6 Functions> Measurement > Voltage Wiring」. Item Range Description DC voltage line (default) Select among L1/L2/L3. 1.It applies to the Accura 2550CMD-1P module with the basic current ≤ 250 A. ⓒ 2019 Rootech Inc. All Rights Reserved Page 119...

  • Page 120: Accura 2550Dcm

    ID of the module that enables communication Conflict ID Redundant There are more than 2 identical IDs. Communication unavailable Standby ID ID 255 Module ID for checking connection status Communication unavailable Page 120 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 121: Display Mode

    Indicates DO contact status with an image Image [o]: Closed contact Image [_]: Open contact 3rd line Indicates DO contact status with text cLS text: Closed contact oPn text: Open contact ⓒ 2019 Rootech Inc. All Rights Reserved Page 121...

  • Page 122: Setup Mode

    ID of the module that enables communication Conflict ID Redundant There are more than 2 identical IDs. Communication unavailable Standby ID ID 255 Module ID for checking connection status Communication unavailable Page 122 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 123 In this case, measurements should be performed by setting the voltage polarity to 「Reverse」. Item Range Description Uol (Voltage Polarity) Left: + voltage (Normal) (default) Right: + voltage (Reverse) ⓒ 2019 Rootech Inc. All Rights Reserved Page 123...
  • Page 124 In this case, measurements should be performed by setting the current direction to 「Reverse」. Item Range Description Current direction Downwards (Normal) (default) Upwards (Reverse) Page 124 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 125: Chapter 6 Functions

    50 or 60 Hz with the FFT algorithm. Data on power and energy are obtained based on the processed current data and the voltage data received from Accura 2500M module. Fig 6.2 Current Sensing and Signal Processing Hall-Effect fc=10kHz Current 256 Samples Up to 50th Gain / Subframe Harmonics ⓒ 2019 Rootech Inc. All Rights Reserved Page 125...

  • Page 126: Voltage And Current Sensing Of Accura 2550Dcm

    ����ℎ������������ ���� = 50�������� �������� 60�������� �������� ���� ���� ����=1 ���� ( ���� ) = ���� ������������ ( 2���������������� + ∅ + � √2���� ����ℎ������������ ���� = 50�������� �������� 60�������� �������� ���� ���� ����=1 Page 126 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 127: Measurements

    Current trend measured over 1subframe ▣ Instantaneous Voltage waveforms measured over 2 subframes waveform ▣ Current waveforms measured over 2 subframes 1. Measured trend values can be selected from DC or RMS values. ⓒ 2019 Rootech Inc. All Rights Reserved Page 127...

  • Page 128: Voltage Wiring

    The method of measuring voltage is as follows. Item Description Voltage sensing ▶ V sensing based on the wired V terminal The following measurement data are provided. Item Voltage Current DC Power/Real Power dc,L1 real,L1 Page 128 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 129: Fig 6.5 Dc Voltage Wiring With 2 Wires And A Common Ground Wire (2Dc3W)

    Item Description Voltage sensing ▶ V and V sensing based on the wired V terminal The following measurement data are provided. Item Voltage Current DC Power/Real Power dc,L1 real,L1 dc,L2 real,L2 ⓒ 2019 Rootech Inc. All Rights Reserved Page 129...

  • Page 130: Fig 6.6 Dc Voltage Wiring With 3 Wires And A Common Ground Wire (3Dc4W)

    Item Description ▶ V sensing based on the wired V terminal Voltage sensing The following measurement data are provided. Item Voltage Current DC Power/Real Power dc,L1 real,L1 dc,L2 real,L2 dc,L3 real,L3 Page 130 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 131: Fig 6.7 Bipolar Dc Voltage Wiring With A Common Ground Wire

    V terminal Voltage sensing – V – V (L2 voltage is measured by reversing the polarity.) The following measurement data are provided. Item Voltage Current DC Power/Real Power dc,L1 real,L1 ⓒ 2019 Rootech Inc. All Rights Reserved Page 131...

  • Page 132: Fig 6.8 Unipolar Dc Voltage Wiring

    The method of measuring voltage is as follows. Item Description sensing based on the wired V terminal ▶ V Voltage sensing The following measurement data are provided. Item Voltage Current DC Power/Real Power dc,L1 real,L1 Page 132 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 133: Power

    DC energy delivered Accumulation of negative DC power 0 – (2 Real energy received Accumulation of positive Real power 0 – (2 Real energy delivered Accumulation of negative Real power 0 – (2 ⓒ 2019 Rootech Inc. All Rights Reserved Page 133...

  • Page 134: Capacitance Estimation

    ������������ ���� ∆���� [����] = ���� ∆���� [����] + ∆���� [����] ���� �������� ���� �������� ������������ ���� Where ∆���� [ ���� ] ≜ ���� [ ���� ] − ����[���� − 1] Page 134 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 135 ���� = �������������������� ���������������� ���� The threshold value can be set by multiplying the voltage change threshold by the current change threshold. Threshold = 「Voltage change threshold」 x 「Current change threshold」 ⓒ 2019 Rootech Inc. All Rights Reserved Page 135...

  • Page 136: Events

    4. The end time of an event indicates the end time of collecting the sample data over 1 subframe during which it is presumed that dips/swells ended. Dip/swell functions operate based on the threshold and hysteresis set by users. Fig 6.10 Voltage Dip Detection Page 136 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 137: Measurement Events

    0.2-second intervals. Users can set up the detection mode, threshold, and hysteresis values for events for each of Accura 2550DCM meters on Accura 2500D’s setup screen. For details about event detection, refer to 「Chapter 6 Functions> Events > Measurement Events > Custom Events > Event Detection」. ⓒ 2019 Rootech Inc. All Rights Reserved Page 137...

  • Page 138: Fig 6.10 Block Diagram Of Custom Events

    「Threshold + Hysteresis」 level and re-enters normal mode, an end event occurs. If the input value gets smaller than 「Threshold」and drops below 「Low Limit」 within 「Time delay」, a start event does not occur. However, if the input value gets back to normal status, a start event occurs. Page 138 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 139: Fig 6.12 「Over」 Condition Detection

    When a custom event occurs, it is recorded to the event log, and the device provides users with notifications. In case of occurrence of an event, the EVENT LED flashes, and the color of the bell icon on the upper side of the screen is changed. ⓒ 2019 Rootech Inc. All Rights Reserved Page 139...

  • Page 140: System Events

    If the time elapses, the EVENT LED is reset. 60,000: reset by users 0: automatically reset when an end event occurs 1 – 59,999: automatically reset when the preset time elapses Page 140 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 141 The EVENT LED on the front of Accura 2500D module is automatically reset if you enter the event mode. The number of new events appearing with the bell icon is reset if you access the events list. ⓒ 2019 Rootech Inc. All Rights Reserved Page 141...

  • Page 142: Aggregation

    The Max/Min values shown on the LCD screen are the maximum and minimum values among the frame data obtained after resetting the max/min values, which are also provided via communication through 「Aggregation 255」 setup. Page 142 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 143: Custom Aggregation

    The above table shows the sizes of the circular buffer for each aggregation interval. The recent circular index can be easily identified because the circular buffer index is rotated in the range of 0-9,999, which is greater than the buffer length. ⓒ 2019 Rootech Inc. All Rights Reserved Page 143...

  • Page 144: Appendix A Specifications

    0.05 W @ 1,000 Vdc Connection with Accura 2500D via Communication Dedicated communication Sends/receives data to/from Accura 2500D Protocol Internal dedicated protocol Connector type RJ45 connector (for connection with a communication cable) Page 144 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 145 Up to 300 Vdc (Accuracy guaranteed) Maximum measuring range Up to 550 Vdc Accuracy ±0.5 % Reading ± 0.05 % Un Minimum measured value 5 Vdc Measurement data DC voltage, RMS voltage, waveforms ⓒ 2019 Rootech Inc. All Rights Reserved Page 145...
  • Page 146 8. It varies by module type. Refer to 「Appendix B Module Connection」 for details about module connection. 9. The built-in Ethernet switch allows for connection of Accura 2500M modules without a separate switch Page 146 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 147: Accura 2500D Main Distribution Panel Hmi Module

    Connector type RJ45 connector (for connection with a communication cable) Communication cable Internal communication cable for the display module Cable length Maximum 3 m 1. It is provided with the product. ⓒ 2019 Rootech Inc. All Rights Reserved Page 147...

  • Page 148: Accura 2550Cmd-1P Dc Power Measuring Module

    ±1.5 % Reading ± 0.15 % Un*Ib 3, 4 Measurement data DC power, Real power Energy Accuracy ±1.5 % Reading ± 0.15 % Un*Ib 3, 4 Measurement data DC energy measured by accumulating DC power values Page 148 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 149 2. Errors in current measurement might occur as the temperature changes according to the temperature applied for temperature calibration. 3. The basic voltage Un of Accura 2500M module is 280 Vdc. 4. The basic voltage Un of Accura 2500M-VD module is 560 Vdc. ⓒ 2019 Rootech Inc. All Rights Reserved Page 149...

  • Page 150: Accura 2550Dcm Dc Power Measuring Meter

    Measurement data DC energy measured by accumulating DC power values (Received/Delivered) Real energy measured by accumulating real power values (Received/Delivered) Events Voltage/Current events Measured value DC data measured at 0.2 sec intervals Page 150 ⓒ 2019 Rootech Inc. All Rights Reserved...
  • Page 151 1. A total of 10 Accura 2550DCM meters can be connected to Accura 2500M with five modules per group. 2. Errors in current measurement might occur as the temperature changes according to the temperature applied for temperature calibration. ⓒ 2019 Rootech Inc. All Rights Reserved Page 151...

  • Page 152: Appendix B Module Connection

    Therefore, check connectivity of modules in advance using the 「Power Supply/Communication Cable Simulator for Accura 2500/2550」 provided separately for connection of multiple Accura 2550 modules with different current consumption values. Before connecting modules, you can select the length of each communication cable, the module type, and the number of connectable modules.

  • Page 153: Limitation In The Number Of Connectable Modules Due To Power Consumption

    Up to 27 7.1 W on Accura 2500M Accura 2550DCM Up to 5 3.2 W and the 1st Accura 2550 module: 3m Cable length between the rest of the connected modules: 30 cm ⓒ 2019 Rootech Inc. All Rights Reserved Page 153...

  • Page 154: Fig B.1 Module Connection Diagram In A Single Group

    Accura 2500/2550 User Guide [DC] Note Check connectivity of modules in advance using the 「Power Supply/Communication Cable Simulator for Accura 2500/2550」 provided separately for connection of multiple Accura 2550 modules with different power consumption values. Fig B.1 Module Connection Diagram in a Single Group...

  • Page 155: Connecting Modules In Two Groups

    When using ports in two groups, Accura 2500M can be connected to up to 40 Accura 2550CMD modules and up to 10 Accura 2550DCM meters, respectively. Fig B.2 Module Connection Diagram in Two Groups ⓒ 2019 Rootech Inc. All Rights Reserved Page 155...

  • Page 156: Appendix C Standards

    EN 55011:2009/A1:2010, EN IEC 61326-1:2021, EN IEC 61326-2-1:2021, EN IEC 61000-3-2:2019/A1:2021, EN 61000-3-3:2013/A2:2021 UL (certification process underway) UL 61010-1 3rd edition, IEC 61010-2-030 2nd edition EN 55011:2009/A1:2010, EN IEC 61326-1:2021, EN IEC 61326-2-1:2021 Page 156 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 157: Appendix D Accuracy/Reliability

    1. The basic voltage(Un) of Accura 2550DCM-50V module is 50 Vdc. 2. The basic voltage(Un) of Accura 2550DCM-500V module is 500 Vdc. 3. The basic current Ib of Accura 2550DCM meter is 80 Adc. ⓒ 2019 Rootech Inc. All Rights Reserved Page 157...

  • Page 158: Reliability

    10 Vrms, 0.15 – 80 MHz frequency fields IEC 61000-4-8 Power frequency magnetic field immunity 30 A/m IEC 61000-4-11 Voltage dips, short interruptions and voltage variations 0.5 cycles, each polarity 100 % immunity Page 158 ⓒ 2019 Rootech Inc. All Rights Reserved...

  • Page 159: Appendix E Ordering Information

    Accura 2500/2550 User Guide [DC] Appendix E Ordering Information Appendix E Ordering Information Accura 2500/2550 Smart DC Distribution Panel Digital Power Meter Accura 2500M Main Distribution Panel Module Name Option Voltage Divider Accura 2500M Accura 2500M √ 1. If you order the Accura 2500M-VD module, the Accura 2500M module comes with the Voltage Divider attached.
  • Page 160 Accura 2300/2350, Accura 2300S/2350, Accura 2700/2750, Accura 3000, Accura 3300E, Accura 3300S/3300, Accura 3500S/3500, Accura 3550S/3550, Accura 3700, Accura 5500, and Accura 7500 are trademarks of Rootech Inc. Contact us for detailed product specifications and ordering information. Information contained herein is subject to...

This manual is also suitable for:

Accura 2550Accura 2500mAccura 2500dAccura 2500m-vdAccura 2550cmd-1p-1500aAccura 2550cmd-1p-250a ... Show all

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