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Accura 2300S/2350-1P3FSC User Guide

Chapter 5 Measurements

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Page 143

Chapter 5 Measurements

General Measurement

The general measurement parameters of Accura 2300S are shown in the following table. Some of the

parameters are provided only via communications.

The LCD screen on the front of the device provides measurement values obtained at 2-second

aggregation intervals based on the measurement values obtained at a frame of 0.5 seconds.

Measurement data are also provided via communication. Measured values provided via communication

are values obtained for the aggregation intervals of 0.5, 1, and 5 seconds, 1 and 5 minutes, 1 and 6

hours. The default aggregation interval is set to 1 second.

The maximum and minimum values Accura 2300S provides after resetting the values are stored in the

nonvolatile memory. Thus, the data are maintained even when Accura 2300S is turned off. The peak

demand value is reset to zero by resetting the maximum/minimum values not demand values.

▣

Shown on Accura 2300S and provided via communication

▲

Available only via communication

Measurement Parameter

Phase Average

/ Total

Aggregation Interval After Resetting Unit
Avg.

Max. Min.

Voltage

Line-to-neutral

▣

▲

▣

Line-to-line

▣

▲

▣

Fundamental

▲

THD

1, 2

▣

▲

Phasor

▲

Line-to-neutral unbalance (NEMA MG1)

▲

Line-to-line unbalance (NEMA MG1)

▲

Zero-sequence unbalance

▲

Negative-sequence unbalance

▲

Residual voltage

▲

Frequency

▣

▲

Temperature of Accura 2300S

▣

▲

Current

▣

▲

▣

Fundamental

▣

▲

THD

/ TDD

▣

▲

Phasor

▲

Crest Factor

▲

K-Factor

▲

Leakage current

▣

▲

Power

Active power

▣

▲

▣

Reactive power

▣

▲

▣

kVAR

Apparent power

▣

▲

▣

kVA

Power Factor

▣

▲

Phase angle Lead/Lag

▣

▲

Energy

Received active energy

▣

kWh

Delivered active energy

▣

kWh

Sum active energy

▣

kWh

Summary of Contents for ACCURA 2300S

Page 1: ......

Page 2: ...se Modules Accura 2350 1P3FSC 125A Basic Module Accura 2350 GAS Accura 2350 GW Accura 2350 1P3FSC 125A DIZCT Optional Module Accura 2350 TEMP Accura TSEN Accura 2350 TEMPS Accura 2350 1P3FSC 60A Basic...

Page 3: ...d maintenance of the product should be performed only by qualified competent personnel that have received appropriate training for high voltage and current devices Caution If hazardous voltages are mi...

Page 4: ...ications shown in this User Guide without prior notice We recommend that customers should obtain the latest information on product specifications and the manual before making orders In the absence of...

Page 5: ...es 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...

Page 6: ...r 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 the product and asso...

Page 7: ...vision 2 00 February 14 2022 Release of the User Guide for the device with HW revision number higher than 200 00 Changed voltage sampling information to 512 samples cycle Added contents on the demand...

Page 8: ...am 32 Step 1 Installing the Product 34 Mounting Accura 2300S on the Panel 34 Mounting Accura 2350 1P3FSC Power Measuring Module on the Panel 35 Step 2 Accura 2300S Wiring 40 Accura 2300S Voltage Wirin...

Page 9: ...mand 86 Measurement of Active Energy 86 Measurement of Leakage Current 87 Ethernet Information 87 Temperature Date Time 89 Setup Mode 90 Full Screen in Setup Mode 91 Measurement Setup 92 Event Setup 9...

Page 10: ...1 Phase 2 Wire Connection 150 Measurement of Voltage Dips Sags Swells 151 Leakage Current Measurement 152 Residual Voltage Measurement 152 Measurement of Power Per Phase 153 Power Factor PF Measuremen...

Page 12: ...tallation Diagram using Accura 2350 1PSCSH Module 33 Fig 2 13 Mounting Accura 2300S on the Panel 34 Fig 2 14 New Installation of Accura 2350 1P3FSC Using Mounting Wings 35 Fig 2 15 Mounting Accura 235...

Page 13: ...2 Fig 2 45 Accura 2300S Power Supply Wiring 63 Fig 4 1 Accura 2300S Front View 76 Fig 4 2 Screen in Display Mode 77 Fig 4 3 Screen in Setup Mode 77 Fig 4 4 Screen in Event Log Mode 78 Fig 4 5 Accura 2...

Page 14: ...le of Event Log Number 131 Fig 5 1 3P4W Connection with 3 PTs and 3 CTs 146 Fig 5 2 3P3W Connection with 2 PTs and 3 CTs 147 Fig 5 3 1P3W Connection with 2 PTs and 2 CTs 149 Fig 5 4 1P2W Connection wi...

Page 15: ...ccess energy data on individual branch loads and devise practical energy efficiency measures for each branch load Power Meters Specialized for Managing Major Branch Loads The distribution panel digita...

Page 16: ...ems in energy management at power facilities 1 The maximum accuracy error of 1 may occur according to the position of the holes cables pass through A Variety of Data including Dip Sag Swell Available...

Page 17: ...Accura 2350 1P3FSC power measuring modules are compatible with the MCCB with a current rating of 60 A or 125 A since they have identical installation dimensions and wiring hole positions Thus when in...

Page 18: ...rements in three single phase feeders Accura 2350 1P3FSC DIZCT module monitors leakage current in each feeder and the trip status of the MCCB enabling efficient energy management and the safe use of e...

Page 19: ...Split core single phase Accura 2350 1P3FSC 125A Basic current 125 A 457 g 4 three feeder Accura 2350 1P3FSC 125A DIZCT Basic current 125 A option digital input ZCT connection 468 g 4 power measuring m...

Page 20: ...rnal temperature of the panel where the module is installed Collects internal temperature data measured by Accura TSEN devices Up to 6 devices can be connected Accura 2350 TEMPS Measures the internal...

Page 21: ...s Fig 1 3 Installation of Accura 2350 1P3FSC Using Accura 2350 3P CT5A Module 1 If the rated current exceeds 250 A you should use Accura 2350 3P CT5A 75 or Accura 2350 3PSC CT5A 90 module with externa...

Page 22: ...provided with the product 4C telephone lines cannot be used The conducting wire of the 6C telephone line should be at least 0 128 mm2 26 AWG It is recommended to keep a distance of over 5 mm from pow...

Page 23: ...eserved Page 23 Note It is recommended that you should use Accura 2350 1PSCSH modules in the following cases When you measure current above 250 A When it is difficult to make through hole connections...

Page 24: ...es the temperature of Accura 2300S with a sensor located at the rear of the device Power Quality Dip Sag Swell RMS voltage measured over 1 cycle and refreshed each half cycle Harmonics Up to the 40th...

Page 25: ...alue in 3P4W mode and the line to line voltage value in 3P3W mode 4 Voltage THD Total Harmonic Distortion 2 40 2 1 5 The data are unavailable on the LCD screen of Accura 2300S and are only available v...

Page 26: ...ived Delivered Net Total Reactive energy 3 Apparent energy 3 Power factor Power factor Demand Current Power demand Peak current power demand Predicted current power demand 3 6 Internal Communication w...

Page 27: ...tion Indoors Operating temperature 20 to 70 C 4 to 158 Safe operating temperature 1 20 to 60 C 4 to 149 Storage temperature 40 to 85 C 40 to 185 Operating humidity 5 to 95 non condensing Operating alt...

Page 28: ...d Before Installation Before installing Accura 2300S 2350 observe the following instructions and safety precautions Caution You should power up the device after the voltage and current wiring is compl...

Page 29: ...FSC Power Measuring Modules Accura 2350 1P3FSC basic module Accura 2350 1P3FSC optional module Components Fig 2 5 Accura 2300S Components Accura 2300S Connector Two nuts Two bolts 6C telephone line 3...

Page 30: ...tallation Accura 2300S 2350 1P3FSC User Guide Page 30 2015 Rootech Inc All Rights Reserved Dimensions Fig 2 7 Accura 2300S Front Dimensions Fig 2 8 Accura 2300S Side Dimensions Fig 2 9 Accura 2300S Re...

Page 31: ...P3FSC 60A Accura 2350 1P3FSC 60A DIZCT Model Dimensions Device Model Dimensions Distribution panel digital power meter Accura 2300S 126 3 x 114 1 x 82 2 mm Split core single phase three feeder Accura...

Page 32: ...ernal CTs the secondary current rating 5 A Refer to Accura 2300S 2350 User Guide for details 2 It is provided with the product 4C telephone lines cannot be used The conducting wire of the 6C telephone...

Page 33: ...mode you can perform three phase measurements by installing two Accura 2350 1PSCSH modules for A L1 and C L3 phases Refer to Accura 2300S 2350 User Guide for details 2 It is provided with the product...

Page 34: ...tribution panel or panelboard Fit the meter into the panel cutout ANSI 4 and DIN96 cutout supported Attach the connector to the side of the meter Secure the meter to the panel using mounting nuts In c...

Page 35: ...odule on the Panel New Installation Using Mounting Wings After attaching mounting wings to the side of the module place the holes of the mounting wings on the location where you want to install the de...

Page 36: ...36 2015 Rootech Inc All Rights Reserved Fig 2 15 Mounting Accura 2350 1P3FSC on Panel through Mounting Holes Using Mounting Wings Applied Model Accura 2350 1P3FSC 125A Accura 2350 1P3FSC 125A DIZCT Ap...

Page 37: ...part of the module on the location where you want to install the device Tighten screws to fix the lower part of the module to the panel Tighten screws to attach the upper part of the module to the low...

Page 38: ...f Accura 2350 1P3FSC module with the lower part of the module with the power supply cables passing through the holes of the module Tighten screws to attach the upper part of the module to the lower pa...

Page 39: ...Accura 2350 1P3FSC module at the desired location on the panel with the power supply cables passing through the holes of the module Tighten screws to attach the lower part of the module to the panel A...

Page 40: ...value AC 660 V Line to line Frequency range 50 60 Hz 42 69 Hz Voltage connection 3 Phase 4 Wire 3 Phase 3 Wire 1 Phase 3 Wire 1 Phase 2 Wire connection Burden 0 02 VA phase 220 V Withstand voltage AC...

Page 41: ...input power and external I O circuits The secondary of the PT may generate fatal voltages currents resulting from the primary of the PT Standard safety precautions should be followed while installing...

Page 42: ...Inc All Rights Reserved Three phase 4 Wire Connection Fig 2 20 3 phase 4 wire Direct Connection Note Select 3P4U 3P4W via METER Conn Voltage connection setup menus Fig 2 21 3 phase 4 wire Connection...

Page 43: ...ights Reserved Page 43 Three phase 3 wire Connection Fig 2 22 3 phase 3 wire Direct Connection Note Select 3P3U 3P3W via METER Conn Voltage connection setup menus Fig 2 23 Three phase 3 wire Connectio...

Page 44: ...R Conn Voltage connection setup menus Voltages on Line 1 and Line 2 should be connected to the V1 and V3 ports and the Ground line should be connected to the VN port Fig 2 25 Single phase 3 wire Conne...

Page 45: ...2U 1P2W in METER Conn Voltage connection of setup mode The voltage on Line 1 should be connected to the V1 port and the Ground line should be connected to the VN port Fig 2 27 Single phase 2 wire Conn...

Page 46: ...nel 2 Port name DI1 DI2 Ground 1 DIG DIG 1 Ground DIG is the common terminal for both channels Item Description Connector type Terminal block 1 Input type Dry contact Wire specifications 1 5 3 5 mm2 1...

Page 47: ...C 110 V 0 3 A DC 30 V 5 A 1 The maximum screw tightening torque of the barrier type terminal block for digital input output ports is 0 9 Nm 9 kgf cm 8 lbf in 2 The operations of different types of dig...

Page 48: ...time 4 It applies when the output polarity is normal If the output polarity is reversed the closed and open contacts operate reversely Note For selection of latch or pulse type refer to Chapter 4 Accu...

Page 49: ...5S Impedance Not applicable since the model is a through hole type device Frequency range 42 69 Hz Hole dimensions Model Hole Dimensions Weight Weight Accura 2350 1P3FSC 125A 16 6 x 21 8 mm 457 g excl...

Page 50: ...es placed close to the center of where cables are connected should be installed to pass through the holes of the module Fig 2 32 Location of the Cables Passing Through the Holes of Accura 2350 1P3FSC...

Page 51: ...of Accura 2350 1P3FSC Three phase 4 wire Through hole Wiring Fig 2 34 Through hole Wiring in 3P4W Mode Applied Model Split core Single phase Three feeder Power Measuring Module Accura 2350 1P3FSC 125A...

Page 52: ...e three feeders the four lines placed close to the center of where cables are connected should be installed to pass through the holes of Accura 2350 1P3FSC module Installation can be performed regardl...

Page 53: ...1P3FSC 60A DIZCT Note The above figure shows an example of wiring the device in in three phase 3 wire mode Among 6 power lines of the three feeders the four lines placed close to the center of where c...

Page 54: ...nels Accura 2350 1P3FSC DIZCT module supports a total of 4 digital input channels including 3 channels for monitoring the MCCB s trip status for each feeder and 1 spare digital input channel Fig 2 36...

Page 55: ...nel 1 Channel 2 Channel 3 Port Name Z1 Z2 Z3 Ground 1 Z1G Z2G Z3G 1 Z1G Z2G and Z3G ports are connected internally Item Description Connector type Terminal block Wire specifications 0 21 2 1 mm2 24 14...

Page 57: ...50 for Dedicated Communication Installation Front panel Accura 2300S Distribution panel digital power meter Incoming feeder Accura 2350 3P CT5A 75 1 Three phase power measuring module Branch load Accu...

Page 58: ...t is provided with the product 4C telephone lines cannot be used The conducting wire of the 6C telephone line should be at least 0 128 mm2 26 AWG It is recommended to keep a distance of over 5 mm from...

Page 59: ...e need for a separate external switch Up to 20 Accura 2300S meters can be connected in a daisy chain star and ring topology Modbus TCP the standard protocol is supported for transmission of measuremen...

Page 60: ...ution At sites where distribution panels are installed a large number of electromagnetic waves are emitted due to multiple power cables This can have a serious impact on Ethernet communication quality...

Page 61: ...escription Port name Ta TRX Tb TRX G Ground Connector type Screw type terminal pluggable Protocol Modbus RTU Wire specifications 0 21 3 5 mm2 24 12 AWG Shielded twisted pair 1 Cable length Maximum 1 2...

Page 63: ...quency 50 60 Hz Withstand voltage AC 2 500 V RMS 60 Hz for 1 minute Operating environment Pollution degree 2 Power consumption Maximum 20 W Varies by the number of connected Accura 2350 modules Inrush...

Page 64: ...switches to the display mode Button Operation Button Description Display Mode Automatically displays measured values in sequence Setup Mode Short Press 1 Enters the setup mode Each time the button is...

Page 65: ...ra 2350 Module ID 1 ZCT ZCT leakage current measurement SET Setup mode 1 Module IDs are divided into three types of IDs as follows The standby ID 255 is assigned to all Accura 2350 modules as a factor...

Page 66: ...3 Current Power Leakage Current 1 2 Digital Input 1 Displayed for 2 s 3 Displayed for 2 s 4 Displayed for 2 s 4 Displayed for 2 s 4 Displayed for 2 s Displayed for 2 s 1 Leakage current measurement i...

Page 67: ...d Current Feeder 1 3 Leakage Current 1 Leakage Current Event 1 2 DI Polarity 1 DI Event 1 1 This setup screen is supported only on Accura 2350 1P3FSC DIZCT module 2 This screen appears only when the t...

Page 68: ...ID Description Communication ID ID 0 39 ID of the module that enables communication Conflict ID Duplicate IDs There are more than 2 identical IDs communication unavailable Standby ID ID 255 Module ID...

Page 69: ...ULN Line to Neutral Voltage Line to neutral voltage wiring Ld Load Connection Load direction right side of the distribution panel ULL Line to Line Voltage Line to line voltage wiring Ld Load Connectio...

Page 70: ...and N When it is set to ULL line to line voltage you can set up the phase by selecting two phases among A B and C 1 Wiring ULN Line to Neutral Voltage Item Description Fd 1 Feeder 1 Phase sequence co...

Page 71: ...Line Voltage Item Description Fd 1 Feeder 1 Phase sequence configuration for feeder 1 ab A B default A B line to line voltage wiring Fd 2 Feeder 2 Phase sequence configuration for feeder 2 bc B C def...

Page 72: ...power measuring module is as follows Model Basic Current Accura 2350 1P3FSC 125A Accura 2350 1P3FSC 125A DIZCT 125 A Accura 2350 1P3FSC 60A Accura 2350 1P3FSC 60A DIZCT 60 A Rated Current Setup for Fe...

Page 73: ...so be set through the LCD screen of Accura 2300S or communication The threshold value set through Accura 2300S is applied equally to all Accura 2350 modules connected to Accura 2300S If you want to se...

Page 74: ...d If the leakage current measurement item is set to oFF setup values for leakage current events are invalid If the leakage current event item is set to on the event is processed through the event log...

Page 75: ...the LCD screen regardless of the polarity setup Item Description nr Normal default Closed contact logic value 1 status display Open contact logic value 0 status display _ rEu Reverse Closed contact lo...

Page 76: ...connection PT event Ethernet communication etc Event log mode Displays event logs of power quality such as dip and swell event logs The Event segment on the top bar lights up to indicate the event log...

Page 77: ...reens by using direction buttons the Left Up Down and Right arrow buttons Menu items are displayed in columns at the bottom of the LCD display screen enabling users easily check the currently displaye...

Page 78: ...users of the occurrence of the event Once you enter the event log mode by long pressing the EVENT button the event alarm that has been generated is cleared and you can check the event log You can also...

Page 79: ...BC DMD Demand CA Line to Line CA TIME Year Month Day Hour Min Sec LEAD Lead E LEDs on the Bottom Left Side of the Front Panel LAG Lag POWER Turns on when the device is powered on AVG Average EVENT Bli...

Page 80: ...related elements INFO Information on Ethernet connection DIO Display of digital inputs setup control display of digital outputs ETC Information on temperature and time DISPLAY Setup for the LCD displ...

Page 81: ...measurement values are displayed on the LCD screen of Accura 2300S If you long press the ENTER button in the display mode the module ID appearing on the upper left side of the screen blinks at 0 4 se...

Page 82: ...ule ID and move to the display mode the screen stops blinking 1 When the button is pressed a beeping sound occurs 2 Press for more than 1 second After one second a beeping sound occurs 3 If the module...

Page 83: ...ura 2300S and the selected Accura 2350 1P3FSC module column or Voltage Current Power Energy V I P E Voltage Frequency V FREQ Current 1 I Power PF 1 P PF Demand 1 DEMAND Consecutively Rec Del Sum Scree...

Page 84: ...g the Down arrow button and then check the measurement data of the feeder 3 by pressing the Down arrow button again You can move to the screen in the opposite direction by pressing the Up arrow button...

Page 85: ...nd TDD values sequentially You can see measurement data in the reverse order by pressing the Up arrow button Fig 4 11 Current Display Screen Measurement of Power Power Factor You can see detailed info...

Page 86: ...lues sequentially You can see measurement data in the reverse order by pressing the Up arrow button Fig 4 13 Active Power Demand Display Screen Measurement of Active Energy You can see detailed inform...

Page 87: ...ent is set to a non zero value through the module s LCD screen Information on digital inputs is displayed in the fourth row from left to right indicating the contact status of channel 1 through channe...

Page 88: ...Route for the leaf node of the RSTP bu Backup port Alternative route for the same LAN at Alternative port Alternative route for the same root node of the RSTP Cn Connecting Port connected Determines...

Page 89: ...rature Date Time You can navigate to the temperature date time screen by pressing the Right arrow button on the Ethernet screen On this screen you can check the temperature measured by the built in te...

Page 90: ...right arrow buttons Setup Mode Long Press Enter the setup mode Press Select the setup menu Long Press 2 Make the displayed setup value changeable the screen blinks Press Select the value to set up or...

Page 91: ...er Event Stt Dmd Current Dmd Event Leakage Time Stt Leakage Mod ID Assign Mod ID A2350 Module ID MODULE Next Group 2CT Group 3CT Group A2350 1P Group MODULE DHCP RSTP TCP timeout NTP Server NTP Sync M...

Page 92: ...to secondary line to line voltages is used as the conversion ratio for the primary voltage Regardless of the voltage connection mode for measurement the primary and secondary line to line voltage valu...

Page 93: ...or PT Primary VL12 Secondary V13 The Line 1 and Line 2 voltages should be connected to the V1 and V3 ports and the Ground line should be connected to the VN port Fig 4 21 1 phase 2 wire Connection 1P2...

Page 94: ...but it is fixed to line to line voltage in other connection modes 2 d decimal number In each voltage connection mode the reference voltage is determined as follows Connection Mode Ref Voltage on the...

Page 95: ...s to manually start the demand sub interval at the time users issue a sync command Refer to Chapter 5 Measurement Demand Measurement for details Setup Range Description h Auto default Hourly auto sync...

Page 96: ...sign of active power and it makes it possible to find out whether power has been received or delivered However when displaying the power factor only as an absolute value configure the sign as oFF The...

Page 97: ...gy accumulation can be set to kWh or Wh When converting values from kWh to Wh multiply the accumulated energy by 1 000 When converting values from Wh to kWh energy accumulation is performed by dividin...

Page 98: ...d d d d 1 V kV Dip start threshold 1 d decimal In each voltage connection mode the reference voltage is determined as follows The reference voltage can be set via METER UrEF Reference Voltage setup me...

Page 99: ...end threshold can be set to a value at least 1 greater than the start threshold If the start threshold is set to a value greater than the end threshold the end threshold is automatically reset to a va...

Page 100: ...d d 1 V kV Swell start threshold 1 d decimal In each voltage connection mode the reference voltage is determined as follows The reference voltage can be set via METER UrEF Reference Voltage setup menu...

Page 101: ...words the end threshold can be set to a value at least 1 less than the start threshold If the start threshold is set to a value less than the end threshold the end threshold is automatically reset to...

Page 102: ...differs depending on the number of Accura 2350 modules connected to Accura 2300S The measured temperature is different from the actual temperature in the distribution panel thus caution is required wh...

Page 103: ...escription 0 9998 default 48 Temperature threshold for detection of the end of an event Current Event When the current event item is set to on the screen that lets users set the start threshold end th...

Page 104: ...the rated current of each Accura 2350 module Commonly applied to all Accura 2350 modules Delay Time for Current Event A current event starts when the measured current value rises above the start thre...

Page 105: ...A leakage current event starts when the measured leakage current value rises above the start threshold for the leakage current event and is maintained during the set delay time for the event Setup Ra...

Page 106: ...ree phases are selected events are detected for the total power value measured on all phases Setup Range Description oFF default Event detection disabled Pha on Detection of the power event per phase...

Page 107: ...from occurring during a short period of time and the minimum hysteresis value is 1 In other words the end threshold should be set to a value at least 1 less than the start threshold If the start thre...

Page 108: ...2300S and the DI event setup for each module can be performed through communication or each module Setup Range Description All oFF default Event detection disabled All cLS All Closed Detection of the...

Page 109: ...D 0 39 ID of the module that enables communication Conflict ID Duplicate IDs There are more than 2 identical IDs communication unavailable Standby ID 1 ID 255 Module ID for checking connection status...

Page 110: ...s are assigned Status where IDs are automatically assigned RJ 2 Inc2 Automatically assigns IDs 2 to the modules with the standby IDs 1 by using numbers incremented by 2 0 2 4 6 starting from the first...

Page 111: ...Ds are assigned Status where IDs are automatically assigned RJ 2 Inc1 Automatically assigns 2 IDs to the modules with the standby IDs 1 using numbers incremented by 1 0 1 2 N starting from the first m...

Page 112: ...eserved Stby Standby Assigns the standby IDs 1 to all Accura 2350 modules with specific IDs Status where specific IDs are assigned to Accura 2350 modules Status where the standby IDs are assigned 1 Th...

Page 113: ...scription 000 000 000 000 255 255 255 255 IP address default 010 010 010 100 Subnet Mask Setup Range Description 255 255 000 000 255 255 255 252 Subnet mask default 255 255 255 000 Gateway Setup Range...

Page 114: ...u press the ENTER button again to stop the blinking of Sync time sync is complete IP Address of NTP Server Enter the IP address of the NTP Network Time Protocol server for time synchronization of Accu...

Page 115: ...Accura 2300S Operation Setup 2015 Rootech Inc All Rights Reserved Page 115 DHCP Setup Range Description oFF default DHCP disabled on DHCP enabled Storm Control Setup Range Description oFF default Sto...

Page 116: ...ps 57600 57 600 bps 11520 115 200 bps 1 1 Up to 16 devices can be connected to each bus at 115 200 bps Parity Bit Setup Range Description EuEn default Even parity nonE None parity odd Odd parity Stop...

Page 117: ...h Inc All Rights Reserved Page 117 RS 485 Communication Map Setup Range Description a2300 default Accura 2300S map same as Accura 2300 s map r050 RTM050 s map If the RS 485 communication map is set to...

Page 118: ...eset Setup Range Description rESEt Resets demand values Maximum Minimum Value Reset Setup Range Description rESEt Resets the maximum minimum values Peak demand is also reset Energy Reset Setup Range D...

Page 119: ...2015 Rootech Inc All Rights Reserved Page 119 Demand Time Sync Setup Range Description Sync A demand time sync command is issued so that the demand sub interval can start at the end of the demand syn...

Page 120: ...ontact 0 Maintains the open status of the contact Uncountable pulse 1 A single pulse occurs when the contact is closed If an additional command is issued within the pulse period the command is ignored...

Page 121: ...ally changed to the value same as the pulse period In the periodic pulse mode if the pulse period and the pulse on time are the same ON state is maintained indefinitely 1 d decimal number Pulse On tim...

Page 122: ...SueLL Swell Associated with the swell event F FaIL Fuse Fail Associated with the Fuse Fail event Ph oPn Phase Open Associated with the phase open event Lea Leakage Current Associated with the leakage...

Page 123: ...rg ScaL Energy Scale menus the energy value increases with a resolution of 1 kWh Therefore if the accumulated energy scale per pulse do ScaL is set to a value less than 1 00 multiple pulses can be out...

Page 124: ...n the right side of the fourth line The displayed actual status of the contact is not related to the output polarity settings Setup Range Description When DO polarity is normal 0 The contact is open 1...

Page 125: ...s the following information in sequence ID Current Power for each feeder Leakage Current Digital Input Id Displays the module ID Ph_a Displays the current power for the feeder 1 Ph_b Displays the curr...

Page 126: ...0 9999 default o OFF Setup for the EVENT LED On Off time when an event occurs o OFF The EVENT LED keeps blinking 0 The EVENT LED blinks for 5 s 1 9999 blinking time 1 9 999 min When an event occurs th...

Page 127: ...light on time s at the highest brightness If the LCD backlight on time is longer than the LCD On Off cycle the LCD stays on at the highest brightness Demo Setup Range Description oFF default Demo mode...

Page 128: ...ng items Serial Number Display Description Sn Serial number of the product d d 1 d d d d d d d d 1 d decimal number Hardware Version Display Description d d d 1 PCB version of the product d d d d d Ha...

Page 129: ...occurs the Dip Swell segment in the top bar blinks When the end event occurs it is stored in the event log but notifications for the event are not provided Note You can set up the LCD backlight On Of...

Page 130: ...Press 2 Enter the event log mode the latest event log is displayed Press Select the event log or Long Press Move to the latest event log Long Press Exit the event log mode and move to the display mod...

Page 131: ...event logs with numbers from E777 to E678 Event Log E678 E777 Event Log E679 E778 E000 Start number of event log E000 Start number of event log E001 E001 E677 E677 E678 Event log N 99 1 E678 E679 Even...

Page 132: ...event are displayed Display Description E d d d 1 Event log number 000 999 A dIP E Dip end event occurs on A phase 2 d d d d V Minimum voltage V measured during the voltage dip event d d d d d ms Dip...

Page 133: ...n on the phase or line to line where the event occurred In 3P4W mode the phase A B C is displayed but in 3P3W mode the line to line AB BC CA voltage is displayed Fuse Fail Event Log Fuse Fail Start Ev...

Page 134: ...nd the maximum temperature measured during the event are displayed Display Description E d d d 1 Event log number 000 999 tMP E Temperature event ends d d d d Temperature event duration time ms d d Ma...

Page 135: ...ly on Accura 2350 1P3FSC DIZCT module Event Log of the Start of Leakage Current Event Display Description Module d d 1 ID of Accura 2350 module where the event occurred E d d d Event log number 000 99...

Page 136: ...ration and the maximum current measured during the event are displayed Display Description Module d d 1 ID of Accura 2350 module where the event occurred E d d d Event log number 000 999 C 3 d E Deman...

Page 137: ...d decimal 2 It indicates the feeder 1 2 3 and the phase A B C where the event occurred DI Event Log Digital inputs are supported only on Accura 2350 1P3FSC DIZCT module Detailed information on the dig...

Page 138: ...U 3P4W to 3P3U 3P3W with the Up or Down arrow button Long press the ENTER button The setup item stops blinking when it is set to 3P3U 3P3W PT Rating On the Conn Voltage Connection setup screen press t...

Page 139: ...cura 2350 modules move to step 2 2 Automatic Assignment of Module IDs Long press 2 the SETUP button Go to the setup mode Press the Left or Right arrow button to move to the IduP module ID update scree...

Page 140: ...Stby Standby blinks on the screen Select RJ 2 Inc2 RJ12 2 Increment 2 by using the Up or Down arrow button Long press the ENTER button The text RJ 2 Inc2 RJ12 2 Increment 2 stops blinking IDs are aut...

Page 141: ...a 2350 modules for communication with modules When the IDs of communication modules are updated the cn value in the first line changes to 11 Long press the ESC button Exit the setup mode and move to t...

Page 142: ...ER button the value that is possible to be changed blinks Increase or decrease the value of the menu screen by using Up or Down button Move to the next left or right digit of the value of the menu scr...

Page 143: ...after resetting the values are stored in the nonvolatile memory Thus the data are maintained even when Accura 2300S is turned off The peak demand value is reset to zero by resetting the maximum minim...

Page 144: ...alf cycle V Instantaneous Waveform 2 cycles of voltage waveforms 32 samples cycle V 2 cycles of current waveforms 32 samples cycle A 1 It indicates the line to neutral voltage value in 3P4W mode and t...

Page 145: ...hase Channel Total Start Event End Event Measured Value Measured Value Peak Value Duration Events of Accura 2300S and Accura 2350 3P 1P Dip Swell Phase Open Fuse Fail Over Current Over Demand Current...

Page 146: ...ltage Measurement Vector Diagram Item Description V1 V2 V3 Line to neutral voltage sensing V1 V2 V3 sensing based on the voltage at the wired N terminal actual line to neutral voltage VA V1 VB V2 VC V...

Page 147: ...same way Fig 5 2 3P3W Connection with 2 PTs and 3 CTs Voltage Measurement Vector Diagram Item Description V1 V2 V3 Vr V1 V2 V3 VN Vn Vr 3 Line to neutral voltage sensing V1 V2 V3 sensing based on the...

Page 148: ...V2 V3 VCA VC VA V3 V1 Available Measurement Values Item Line to neutral voltage rms Line to line voltage rms Current rms Active Power A Phase VA VAB IA I1 PA VA IA PFA B Phase VB VBC IB I2 PB VB IB PF...

Page 149: ...ltage sensing Line to neutral voltage V1 V3 sensing based on N terminal voltage VA V1 VB 0 The value becomes 0 in 1P3W mode VC V3 Line to line voltage calculation VAB 0 The value becomes 0 in 1P3W mod...

Page 150: ...oltage sensing V1 sensing based on the voltage at the wired N terminal VA V1 VB 0 The value becomes 0 in 1P2W mode VC 0 The value becomes 0 in 1P2W mode Line to line voltage calculation VAB VA VBC 0 T...

Page 151: ...ured over 1 cycle Fig 5 5 Calculation of 1 cycle RMS Voltage Refreshed Each Half Cycle Half cycle refreshed 1 cycle RMS 220 0 173 8 110 0 110 0 110 0 173 8 220 0 220 0 Dip Sag Swell Detection As it is...

Page 152: ...It refers to measuring the RMS value over one half cycle with a half cycle window The device provides the maximum value among the RMS values 60 values 60 Hz as the measured leakage current value ever...

Page 153: ...nd current 1 0 where k a b c The reactive power for each phase is calculated by shifting the phase of the voltage by 90 degrees with respect to the fundamental frequency 1 4 0 where k a b c The appare...

Page 154: ...ase the received delivered status cannot be identified only through the power factor How to calculate the PF when its sign is removed is as follows The maximum minimum value of the power factor availa...

Page 155: ...st commonly used demand sub interval is 15 minutes and the number of demand sub intervals is 1 Fig 5 8 Demand Calculation 1 35 Avg 3 0 Avg 4 0 Avg 4 8 Avg 4 3 Avg 2 5 Avg 2 6 1 20 1 25 1 30 1 40 1 45...

Page 156: ...s the starting time of a demand sub interval every hour 2 Manual Sync synchronizes the starting time of a demand sub interval at the time users issue a sync command For hourly auto sync synchronizatio...

Page 157: ...1 19 1 59 Avg 3 4 Avg 3 2 Voltage Harmonics 512 samples are taken per cycle for analysis of voltage harmonics and the THD is calculated with harmonics up to the 40th order THD 2 40 2 1 where V1 funda...

Page 158: ...ax Vph Maximum difference between the line to neutral voltage and the average line to neutral voltage Line to neutral voltage the average voltage Line to line Voltage Unbalance It indicates the maximu...

Page 159: ...ith the same magnitude and phase angle Positive sequence component U1 three phase symmetrical components with the phase sequence of A B C Negative sequence component U2 three phase symmetrical compone...

Page 160: ...the start time of the aggregation interval and the occurrence time of maximum minimum values Therefore the actual time data for the maximum minimum values can be obtained by adding the start time of t...

Page 161: ...regation interval of 0 5 seconds after resetting the values Custom Aggregation Accura 2300S provides 5 custom aggregation intervals from Aggregation 11 to 15 that allow the user to arbitrarily set the...

Page 162: ...00 1 5 seconds 1 100 0 999 1 If an activated event is detected the measurement data obtained over 3 time frames at the time 0 5 seconds before 0 5 seconds after the event occurs are stored in the circ...

Page 163: ...12 AWG copper or aluminum Rated temperature of the wire Above 70 C Burden 0 02 VA phase 220 V Withstand voltage AC 2 000 V RMS 60 Hz for 1 minute Impedance 10 M phase Measurement category Internal Co...

Page 164: ...DC 30 V 5 A Voltage Measurement Wiring method 3P4W 3P3W 1P3W 1P2W Sampling rate 512 samples cycle Frequency measurement 50 60 Hz 42 69 Hz Voltage Measuring range 10 AC 60 600 V Line to line Accuracy...

Page 165: ...to connect Accura 2300S to all Accura 2350 modules with each port RJ12 1 or RJ12 2 on Accura 2300S 6 The Shield line should be connected to the G port 7 Up to 16 modules can be connected to each bus...

Page 166: ...t name DI1 DI2 DI3 DI4 DIG Connector type Terminal block Wire specification 0 21 2 1 mm2 24 14 AWG copper or aluminum Input type Dry contact Insulation status Non isolated Minimum pulse width 0 5 seco...

Page 167: ...of noise 2 The RJ12A and RJ12B ports have the same functions 3 The maximum measurement error of 1 may occur according to the position of the hole through which cables pass 4 Current THD Total Harmoni...

Page 168: ...ty requirements for electrical equipment for measurement control and laboratory use EMC IEC 61000 4 2 Electrostatic discharge ESD immunity test IEC 61000 4 3 Radiated radio frequency electromagnetic f...

Page 169: ...ctive Power and Reactive Energy Voltage Range Current Range sin Class 1 PMD Dx PMD Sx 80 Un 120 Un 5 Ib 10 Ib 2 In 5 In 1 0 1 25 10 Ib Imax 5 In Imax 1 0 1 0 10 Ib 20 Ib 5 In 10 In 0 5 1 25 20 Ib Imax...

Page 170: ...ercentage of the largest phase current value Measured Neutral Current with a sensor PMD Types Neutral Current Range Minimum Bandwidth Harmonic Crest Factor Class 0 2 Class 0 5 PMD Sx 10 In Imax 45 Hz...

Page 171: ...capacitive 0 5 0 5 1 0 1 0 10 In Imax 0 5 inductive 0 8 capacitive 0 3 0 3 0 6 0 6 IEC 62053 24 2020 Static Meters for Fundamental Reactive Energy Classes 0 5S 1S 1 2 and 3 Voltage Range Current Rang...

Page 172: ...5 2 Reading 2 mA Up to 2 A 1 It is the reading error of the maximum phase voltage phase current among three phase values because it is calculated from the phase voltage phase current 2 The maximum me...

Page 173: ...kV contact air IEC 61000 4 3 Radiated radio frequency electromagnetic field immunity test 10 V m 80 M 2700 MHz IEC 61000 4 4 Electrical fast transient burst immunity test 2 kV IEC 61000 4 5 Surge immu...

Page 174: ...nt to MAINS system type and nominal voltage Three phase four wire systems With earthed neutral Three phase three wire systems Unearthed Three phase three wire systems With earthed phase Single phase t...

Page 175: ...cura 2350 1P3FSC 60A Accura 2350 1P3FSC 60A DIZCT 1 1 In order to purchase the ZCT please contact Rootech Inc Special purpose Modules Accura 2350 Type Range Description Accura 2350 GAS GAS module Accu...

Page 176: ...ura 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 speci...

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