ROOTECH ACCURA 2300S User manual

Distribution Panel Digital Power Meter
Accura 2300S Front
Accura 2300S Rear
Three-phase Power Measuring Module
Single-phase Power Measuring Module
Accura 2350-3P-250A-105
TM-3P-105
Accura 2350-1P-250A-105
TM-1P-105
Accura 2350-3P-125A-90
TM-3P-90
Accura 2350-1P-125A-60
TM-1P-60
Accura 2350-3P-100A-75
TM-3P-75L
Accura 2350-1P-100A-50
TM-1P-50L
Accura 2350-3P-60A-75
TM-3P-75
Accura 2350-1P-60A-50
TM-1P-50
Accura 2350-3P-CT5A-75
Accura 2350-1P-50A-35
Accura 2350-1P-30A-35
Accura 2350-1PSH-50A-35
Accura 2350-1PSH-30A-35

Split-core Three-phase
Power Measuring Module
Split-core Single-phase
Power Measuring Module
Split-core Single-phase Single-hole
Power Measuring Module
Accura 2350-3PSC-250A-105
Accura 2350-1PSC-250A-105
Accura 2350-1PSCSH-800A
Accura 2350-3PSC-125A-90
Accura 2350-1PSC-125A-60
Accura 2350-1PSCSH-630A
Accura 2350-3PSC-60A-75
Accura 2350-1PSC-60A-50
Accura 2350-1PSCSH-400A
Accura 2350-3PSC-CT5A-90

Special-purpose Module
Accura 2350-GAS
Accura 2350-GW
Accura 2350-TEMP
Accura TSEN
Accura 2350-TEMPS
Accura 2350-DO
Accura 2350-IDC
Accura 2350-VDC
Accura 2350-DCM-50V-80A
Accura 2350-DCM-500V-80A

Accura 2300S/2350 User Guide
Notice
ⓒ2013 Rootech Inc. All Rights Reserved
Page 5
Notice
Symbols
Caution
Indicates the presence of dangerous voltage which can cause severe injury or death if
proper precautions are not followed.
Caution
Alerts the user of the presence of hazards which can result in injury, damage to property
or to the device if proper precautions are not followed.
Note
Indicates installation, operation and maintenance instructions for the product.
Indicates alternative voltage or current.
Indicates direct voltage or current.
Installation Considerations
The installation and operation of Accura 2500/2550 should be performed only by qualified, competent
personnel that have received appropriate training and experience with high voltage and current
modules.
Caution
Failure to observe the following instructions may result in severe injury or death.
◼During normal operation of Accura 2500/2550, hazardous voltages are present on its terminal strips
that connect the PT(Potential Transformer), CT(Current Transformer), voltage input, power, and
external I/O circuits. The secondary of the PT/CT may generate fatal voltages/currents resulting from
the primary of the PT/CT.
◼Standard safety precautions should be followed while installing or maintaining the product, including
removing PT fuses and shorting CT secondaries.
◼Install the product in a switchgear cabinet to prevent users from accessing terminal strips after
completing wiring of the product.

Notice
Accura 2300S/2350 User Guide
Page 6
ⓒ2013 Rootech Inc. All Rights Reserved
Caution
Observe the following instructions, or permanent damage may occur to the product.
◼Do not apply voltages and currents that exceed input ratings of the PT and the CT to the product.
◼Using the device for other purposes not specified by the manufacturer can cause severe damage to
the product.
◼Connect the device’s chassis ground terminal to the earth ground to protect the device from noise
and surge.
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.
In the absence of written agreements, Rootech Inc. assumes no liability for assistance with product
applications and the system design created by customers or legal issues, including infringement of
intellectual property arising from the use of modules described herein by third-parties.
We are committed to providing accurate information in this document. However, we assume no
responsibility for any errors in the document and reserves the right to make changes without notice.
Limitation of Liability
Where applicable law allows and does not prohibit or restrict such limitation, Rootech, Inc’s liability for
this product shall be limited to the price paid for the product.

Accura 2300S/2350 User Guide
Warranty
ⓒ2013 Rootech Inc. All Rights Reserved
Page 7
Warranty
Rootech Inc. provides warrants for two years from the product receipt date only to the original purchaser
of the products and software that are sold or licensed by the company.
To obtain warranty service, the purchased products should be free from serious defects in material and
workmanship.
The software is provided in an up-to-date version, thus we do not offer any warranty for the software
product.
In order to make a product claim under the warranties described above, the original purchaser should
immediately contact Rootech headquarters. Upon receiving claims, Rootech will check out the product
either at where the purchaser is or at the company after receiving the product from the customer, who is
responsible for the cost of shipping the product. After inspecting the product, we will provide repair or
replacement services for the product.
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.
Limitation of Warranty
The Warranty does not apply to uninterrupted or error-free operation of the product or cover normal
wear and tear of the product or costs caused by the removal, installation, or troubleshooting of the
customer's electrical systems.
Defects caused by any of the following factors are not covered under the warranty.
◼Improper use(alteration, accident, misuse, abuse) or failure to act in accordance with installation,
operation or maintenance instructions
◼Unauthorized modifications, changes or repair attempts
◼Failure to comply with applicable safety standards & regulations
◼Damages resulting from transporting or storing the product
◼Damages caused by the force majeure event, including fire, flood, earthquakes, storm damage,
overvoltage & lightning
◼If the original identification marks(trade-mark, serial number, etc.) have been defaced, altered, or
removed

Warranty
Accura 2300S/2350 User Guide
Page 8
ⓒ2013 Rootech Inc. All Rights Reserved
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.
Any technical assistance provided by Rootech's personnel or representatives in system design shall be
deemed to be a suggestion. The original purchaser is responsible for determining the feasibility of such
suggestions and should conduct tests to prove their feasibility
It is the original purchaser’s responsibility to determine the suitability of any product and associated
documentation. The original purchaser should acknowledge that 100% uptime is not guaranteed
because of possible hardware or software defects. The original purchaser should also recognize that such
defects and failures may cause inaccuracies or malfunctions.
Any agency, corporate entity, or individual employees of Rootech or other companies is not authorized
to amend, modify or extend warranty in any way.
Standard Compliance
Process Control Equipment
E324900
MSIP-REM-RTE-ACCURA 2300S

Accura 2300S/2350 User Guide
Revision History
ⓒ2013 Rootech Inc. All Rights Reserved
Page 9
Revision History
The following versions of 「Accura 2300S/2350 User Guide」have been released.
Revision
Date
Description
Revision 1.00
February 14, 2014
Initial draft
Revision 1.10
December 23, 2014
Configuration and measurement description added.
Special-purpose module description
[Accura 2350-GAS/GW/DO/VDC/IDC/TEMP] added.
Revision 1.11
May 21, 2015
Standard compliance updated
Revision 1.12
November 19, 2015
Special-purpose module arrangement modified.
Revision 1.20
December 22, 2016
Typing error corrected, bookmark added, power event added
Revision 1.21
December 3, 2018
Certification image update
Setup and measurement contents update
Zero voltage/current are changed to residual voltage/current.
Description of error according to penetration position for split core
module
Update of Accura 2350 Module Management Screen
Description of the connection number of Accura 2350 special module
Clear description of reading error
Revision 1.22
May 31, 2019
Added detailed description of DO pulse generation related to energy
Revision 1.23
September 25, 2019
Return to Accura 2350 module management policy
Voltage THD: extended to 40th harmonic (voltage 384-sampling/cycle)
Added measurement description for harmonics
Revision 1.24
July 14, 2021
Modified the Max/Min data errors in the General Measurement table
Updated standard compliance
Modified some images about connection as KEC revision

Contents
Accura 2300S/2350 User Guide
Page 10
ⓒ2013 Rootech Inc. All Rights Reserved
Contents
Chapter 1 Introduction ...................................................................................................................................................... 18
Overview.................................................................................................................................................................................................................. 18
Application..............................................................................................................................................................................................................21
Device Lineup........................................................................................................................................................................................................ 22
Distribution Panel Digital Meter/Power Measuring Module ...............................................................................................22
Special-Purpose Module .......................................................................................................................................................................23
Installation Example................................................................................................................................................................................. 24
Features .........................................................................................................................................................................................................26
Chapter 2 Installation......................................................................................................................................................... 31
Environmental Conditions............................................................................................................................................................................... 31
Before you begin.................................................................................................................................................................................................32
Meter Overview .........................................................................................................................................................................................32
Components................................................................................................................................................................................................ 34
Dimension.....................................................................................................................................................................................................36
Installation Diagram ................................................................................................................................................................................43
Step 1: Mounting.................................................................................................................................................................................................45
Accura 2300S Mounting........................................................................................................................................................................ 45
Accura 2350-3P Three-phase Power Measuring Module Mounting............................................................................... 46
Accura 2350-1P Single-phase Power Measuring Module Mounting.............................................................................. 53
Accura 2350-3PSC Split-core Three-phase Power Measuring Module Mounting.................................................... 60
Accura 2350-1PSC Split-core Single-phase Power Measuring Module Mounting...................................................65
Accura 2350-1PSCSH Split-core Single-phase Single-hole Power Measuring Module Mounting...................70
Step 2: Accura 2300S Wiring.........................................................................................................................................................................74
Accura 2300S Voltage Connection...................................................................................................................................................74
Accura 2300S Digital Input/Output Wiring.................................................................................................................................. 79
Step 3: Accura 2350 Current Through-hole Wiring ...........................................................................................................................82
Accura 2350-3P/1P/1PSH Power Measuring Module Through-hole Wiring............................................................... 82
Accura 2350 Single-phase Single-hole Power Measuring Module Through-hole Wiring....................................87
Step 4: Accura 2300S/2350 Combination of Communication ......................................................................................................90
Step 5: Accura 2300S External Communication ................................................................................................................................... 92
Ethernet Communication ......................................................................................................................................................................92
RS-485 Communication......................................................................................................................................................................... 94
Step 6: Accura 2300S Power Supply and Ground Connection.....................................................................................................95
Power Supply Connection ....................................................................................................................................................................95