background image

 

 

Notice 

Symbols 

Caution 

 

 

Indicates  the  presence  of  dangerous  voltage  which  can  cause  severe  injury  or  death  if 

proper precautions are not followed. 

 

 

Caution 

 

 

Alerts  users  of  the  presence  of  hazards  which  can  cause  injury  to  persons,  property 

damage or damage to the device if proper precautions are not followed. 

 

 

Note 

 

 

Indicates  major  instructions  for  the  installation,  operation,  and  maintenance  of  the 

product. 

 

 

Indicates alternative voltage or current. 

 

Indicates direct voltage or current. 

 

Installation Considerations 

The  installation,  operation,  and  maintenance  of  the  product  should  be  performed  only  by 

qualified,  competent  personnel  that  have  received  appropriate  training  for  high  voltage  and 

current devices. 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                                                                                 

 

Summary of Contents for ACCURA 3500S

Page 1: ...age to the device if proper precautions are not followed Note Indicates major instructions for the installation operation and maintenance of the product Indicates alternative voltage or current Indica...

Page 2: ...cates major instructions for the installation operation and maintenance of the product Indicates alternative voltage or current Indicates direct voltage or current Installation Considerations The inst...

Page 3: ...tall the product in enclosures or a similar cabinet to prevent access to the terminal strips of the product after wiring Caution Observe the following instructions or it may cause permanent damage to...

Page 4: ...assistance customer s system design or infringement of patents or copyrights induced by third parties arising from the use of the products described herein We endeavor to provide accurate information...

Page 5: ...ide 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 warr...

Page 6: ...suggestions and should conduct tests to prove their feasibility It is the original purchaser s responsibility to determine the suitability of the product and associated documentation The original pur...

Page 7: ...ision 1 1 2010 10 07 Voltage input rating adjusted Revision 1 2 2015 05 12 Standard compliance updated Revision 1 3 2016 09 05 Voltage wiring diagram updated Revision 1 4 2017 08 07 IrDA deleted Revis...

Page 8: ...Quality 15 Basic Module 15 Expansion Module1 15 Communication 16 Power Supply 16 Applications 17 True RMS Measurements 17 Power Quality Analysis 17 Module Structure to adapt to different requirements...

Page 9: ...Power Supply and Ground Terminal of the Basic Module 38 Power Supply 38 Ground Terminal 39 Step 8 Adding the Expansion Module 40 Step 9 Wiring the Expansion Module 41 DI Module 41 DO Module 43 Fig 1...

Page 10: ...Page 10 Appendix A Specifications 72 Appendix B Standard Compliance 73 Appendix C Test Report 74 Measuring Test 74 Reliability Test 75...

Page 11: ...Connection Using 2 CTs Wiring Mode 1P3U 30 Fig 1 17 Three Phase 3 Wire Open Delta Direct Connection Wiring Mode 3P3O 30 Fig 1 18 Three Phase 3 Wire Open Delta Direct Connection Using 3 CTs Wiring Mod...

Page 12: ...Fig 2 6 DIO module channel information 67 Fig 2 7 DI module channel information 67 Fig 2 8 DO module channel information 67 Fig 2 9 AI module channel information 67 Fig 2 10 AO module channel informa...

Page 13: ...tency between the energy of the incoming feeder and the sum of energy measured on the load side It makes it difficult to perform reliable energy management Accura 3500S provides highly accurate measur...

Page 14: ...on modules can be easily attached to the rear side of the Accura 3500S device The I O modules available include the digital input digital output analog input and analog output modules Users can purcha...

Page 15: ...e to line voltage current Active power reactive power active energy reactive energy power factor frequency Fundamental component True RMS of current 4 Quadrant Power Demand peak demand Maximum Minimum...

Page 16: ...ule Analog Input 6 channels AO Module Analog Output 6 channels 1 Only one module to be chosen as option when ordering Communication RS485 Port rear Modbus RTU Protocol Baud rate 1 200 57 600bps Power...

Page 17: ...tructure helps to meet requirements for various applications in the field In the existing IBS Intelligent Building System all I O modules should be connected to the DDC panel It results in increased c...

Page 18: ...uracy is a key factor that determines the reliability of energy management systems Accura 3500S provides highly accurate measurements of voltage and current 0 2 of reading and meets IEC62053 22 class...

Page 19: ...phase parameters 3 Total value of three phase parameters 4 If a real time value is greater than the maximum value the maximum value is updated The value measured within 10 msecs after power up is ign...

Page 20: ...Environmental Conditions Description Installation location Indoors Operating Temp 20 to 70 C 4 to 158 Storage Temp 40 to 85 C 40 to 185 Operating Humidity 5 95 non condensing Caution The meter should...

Page 21: ...ructions in this guide and read the safety precautions presented on the Installation Considerations page Caution Power up after the voltage and current wiring is completed Meter Overview Fig 1 1 Front...

Page 22: ...Page 22 Meter Dimensions Fig 1 4 Front View Fig 1 5 Rear View Fig 1 6 Side View Fig 1 7 Side View one expansion module attachable as an option when ordering the product...

Page 23: ...eter into cutout ANSI 4 or DIN96 3 Fix the meter onto the panel by turning the mounting nut When conforming to the DIN96 standard there is no need to drill holes on the panel Fig 1 8 ANSI 4 Fig 1 9 DI...

Page 24: ...VA phase 220V Impedance 3M phase Compliance Pollution degree 2 Installation Category Caution In three phase 3 wire open delta direct connection mode line to line voltage should not exceed 457V because...

Page 25: ...tings 5A nominal 10A full scale 3 Burden Maximum 0 005A phase 10A Compliance Pollution degree 2 Installation Category CT Current Transformer Item Description Compliance UL61010 1 and IEC61010 1 2nd Ed...

Page 26: ...lowing wiring diagrams may result in severe injury or death Be sure to use shorting block when connecting the meter to CT secondaries Fig 1 11 Single Phase 2 Wire Connection Wiring Mode 1P2U Caution I...

Page 27: ...g Mode 3P3O Caution In three phase 3 wire open delta connection mode be sure to connect V2 to VN as the above Fig 1 13 Three Phase 3 Wire Open Delta Using 3CTs Wiring Mode 3P3O Caution In three phase...

Page 28: ...Page 28 Fig 1 14 Three Phase 4 Wire Connection Using 3 PTs and 3 CTs Wiring Mode 3P4U...

Page 29: ...ring diagrams may result in severe injury or death Be sure to use shorting block when connecting the meter to CT secondaries Fig 1 15 Single Phase 2 Wire Direct Connection Wiring Mode 1P2U Caution Use...

Page 30: ...3U Caution Use PTs for voltages over 457V line to line Be sure to use V1 V3 VN 1S 1L 3S 3L terminals as the above Fig 1 17 Three Phase 3 Wire Open Delta Direct Connection Wiring Mode 3P3O Caution Use...

Page 31: ...g Mode 3P3O Caution Use PTs for voltages over 457V line to line be sure to connect V2 to VN as the above Fig 1 19 Three Phase 4 Wire Direct Connection Mode Using 3 CTs Wiring Mode 3P4U Caution In thre...

Page 32: ...to 3 5 mm2 24 to 14 AWG Shield twisted pair Maximum Cable Length 1219m 4000ft Maximum Devices bus 32 Note Using a UL2919 cable is recommended for communication Comm Indicator The Comm LED blinks gree...

Page 33: ...ctor Screw terminal Pluggable Wire spec 1 25 to 3 5 mm2 24 to 14 AWG Ratings AC 85 265V 50 60Hz DC 100 300V Compliance Pollution degree 2 Burden 10VA Caution DC voltage is recommended for power supply...

Page 34: ...rminal G to switchgear earth ground Do not use metal door hinges as a ground path Step 5 Adding the Basic Module DIO module Fig 1 22 Adding the Basic Module Caution When the basic module DIO module is...

Page 35: ...No Connection 8 Digital Input Channels Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 Pin name DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 Ground DIG DIG DIG DIG DIG DIG DIG DIG As common ports DIG ports are internally...

Page 36: ...2 Pin name DO1 DO2 Ground DO1G DO2G DO1G and DO2G are different grounds according to each channel Item Description Connector Screw Terminal Pluggable Wire 1 25 to 3 5 mm2 24 to 14 AWG Signal type Latc...

Page 37: ...e Fig 1 25 DC Relay Application Fig 1 26 AC Relay Application Note Use Clamp Diode or ZNB in order not to apply more than 350V peak to digital output Caution Use an external relay in order to control...

Page 38: ...nal of the Basic Module Power Supply Item Description Pin name PP L PN N Connector Screw terminal Pluggable Wire spec 1 25 to 3 5 mm2 24 to 14 AWG Ratings AC 85 265V 50 60Hz DC 100 300V Compliance Pol...

Page 39: ...inal Item Description Pin name G Connector Screw Terminal Pluggable Wire spec 2 1 to 3 5 mm2 14 to 12 AWG Note Wire the meter s ground terminal G to switchgear earth ground Do not use metal door hinge...

Page 40: ...Module Caution When an expansion module is added be sure to manually set the module type as one of DI DO AI and AO modules in a menu item refer to expansion module configuration of system mode When t...

Page 41: ...duct DI Module Fig 1 29 DI Module NC means No Connection 12 Digital Input Channels Ch 1 Ch 2 Ch 3 Ch 4 Ch 5 Ch 6 Ch 7 Ch 8 Pin name DI1 DI2 DI3 DI4 DI5 DI6 DI7 DI8 Ground DIG DIG DIG DIG DIG DIG DIG D...

Page 42: ...luggable Application Dry contact Wire spec 1 25 to 3 5 mm2 24 to 14 AWG Min Pulse Width 10 ms Fig 1 30 Digital Input Caution Applying the external voltage to digital inputs causes damage to the meter...

Page 43: ...grounds according to each channel Item Description Connector Screw Terminal Pluggable Wire spec 1 25 to 3 5 mm2 24 to 14 AWG Type Latch or Pulse Max Load AC DC 400V 350mA 1000mA Peak Latch On command...

Page 44: ...ation Fig 1 33 AC Relay Application Note Use Clamp Diode or ZNB in order not to apply more than 350V peak to digital output Caution Use external relay in order to control more than the maximum load AD...

Page 45: ...AI1G AI2G AI3G AI4G AI5G AI6G AI1G AI2G AI3G AI4G AI5G and AI6G are different grounds according to each channel Item Description Connector Screw terminal Pluggable Wire spec 1 25 to 3 5 mm2 24 to 14 A...

Page 46: ...d AO1G AO2G AO3G AO4G AO5G AO6G AO1G AO2G AO3G AO4G AO5G and AO6G are different grounds according to each channel Item Description Connector Screw terminal Pluggable Wire spec 1 25 to 3 5 mm2 24 to 14...

Page 47: ...l of the Expansion Module Power Supply Item Description Pin name PP L PN N Connector Screw terminal Pluggable Wire spec 1 25 to 3 5 mm2 24 to 14 AWG Ratings AC 85 265V 50 60Hz DC 100 300V Compliance P...

Page 48: ...inal Item Description Pin name G Connector Screw Terminal Pluggable Wire spec 2 1 to 3 5 mm2 14 to 12 AWG Note Wire the meter s ground terminal G to switchgear earth ground Do not use metal door hinge...

Page 49: ...Page 49 Step 11 Powering Up the Meter 1 Close the PT fuses or direct voltage input fuses 2 Open the CT shorting blocks 3 Apply power to the meter...

Page 50: ...lay mode View parameter measurements Setup mode Configure parameters wiring communication etc Reset mode Reset energy demand maximum and minimum values System mode View meter system information meter...

Page 51: ...Group A B Fig 2 2 Measurement Group C Fig 2 3 Measurement Group D Measurement group C D automatically returns to A B after 30 seconds when group auto return menu item of system mode is on default Mea...

Page 52: ...is lit multiply the displayed value by 1000 for an actual value When the x10 LED is lit multiply the displayed value by 10 for an actual value Fig 2 4 x1000 x10 LED Moving between Parameters in Each...

Page 53: ...c Current c kW c AVG TOT means Average Total Total kW phase a b c Three phase 3 wires Order Parameter 1 AVG TOT VL L Line voltage average Current average Total kW 2 A VL L Line voltage ab Current a 3...

Page 54: ...in the Following Order In Group C Order Parameter 1 MWh kWh net 9digit 2 2 MWh kWh received 9digit 1 3 MWh kWh delivered 9digit 1 4 MWh kWh total 9digit 2 Energy configured in display energy menu ite...

Page 55: ...mum 8 MAX C VL N Voltage c maximum Current c maximum kW c maximum 9 DMD A Current a demand 10 DMD B Current b demand 11 DMD C Current c demand 12 DMD AVG TOT Total kW demand 13 DMD MAX A Current a pea...

Page 56: ...average maximum Current average maximum Total kW maximum 2 MAX A VL N Voltage a maximum Current a maximum 3 MAX C VL N Voltage c maximum Current c maximum 4 DMD A Current a demand 5 DMD C Current c d...

Page 57: ...Page 57 4 DMD AVG TOT Total kW demand 5 DMD MAX A Current a peak demand 6 DMD MAX AVG TOT Total kW peak demand 7 THD A Voltage a THD Current a THD AVG TOT means Average Total Total kW phase a...

Page 58: ...it setup mode and move to display mode Shows that the value of menu item can be changed Button Functions in Setup Edit Mode Button Function Increase the value of menu item Decrease the value of menu i...

Page 59: ...47 247 5 Protocol Modbus RTU Rootech 6 Speed bps 1200bps 2400bps 4800bps 9600bps 19200bps 38400bps 57600bps 7 Parity bits Even parity Odd parity None parity 8 Stop bits 1 2 1 Available only for manufa...

Page 60: ...same time Move to the previous menu screen Move to the next menu screen 1st Enter Blink shows that it s possible to rest 2nd Enter reset menu item and return to reset mode Exit reset mode and move to...

Page 61: ...splay mode Shows that the value of menu item can be changed Button Functions in System Edit Mode Button Function Increase the value of menu item decrease the value of menu item Save the edited value o...

Page 62: ...version Measurement group C D automatically returns to A B after 30 seconds when group auto return menu item is on default When operated in demo mode SETUP LED blinks The displayed measurement data in...

Page 63: ...wer and apparent power by using calculation of vector apparent power T a a a dt t I t V T P 0 1 T b b b dt t I t V T P 0 1 T c c c dt t I t V T P 0 1 c b a P P P P T a T a a dt t I t V T Q 0 4 1 T b T...

Page 64: ...ion power factor and active power are negative Method 2 Calculation of Harmonics Method 2 is used to obtain reactive power from apparent and active power and the overall apparent power by using calcul...

Page 65: ...Page 65 2 2 Q P S S P PF a a a S P PF b b b S P PF c c c S P PF Note P can be a positive or negative value while Q is always a negative value...

Page 66: ...le channel information contact _ non contact Refer to Fig 2 6 2 DI module channel information contact _ non contact Refer to Fig 2 7 DO module channel information contact _ non contact Refer to Fig 2...

Page 67: ...mation Fig 2 8 DO module channel information Fig 2 9 AI module channel information Fig 2 10 AO module channel information When AI or AO module is added on the meter the channel information of the modu...

Page 68: ...ncrease the value of menu item decrease the value of menu item Save the edited value of the third LED display of menu item and the meter automatically moves to the fourth LED display of menu item the...

Page 69: ...Page 69 Note In module edit mode pressing button exits system edit mode and moves to display mode without saving the changed value of menu item...

Page 70: ...output channel 1 Refer to Fig 2 13 Digital output type Latch Pulse Pulse width time 0 1 10 0s 61 DO module digital output channel 2 Refer to Fig 2 14 Digital output type Latch Pulse Pulse width time 0...

Page 71: ...tput channel 2 setup Fig 2 13 DO module digital output channel 1 setup Fig 2 14 DO module digital output channel 2 setup Fig 2 15 DO module digital output channel 3 setup Fig 2 16 DO module digital ou...

Page 72: ...ut Rating 5A nominal 10A full scale 3 Calibration 0 05 to 10A per phase Burden Max 0 005VA phase 10A Pickup Current 20mA Wire 2 1 to 6 mm2 14 to 10 AWG Module Digital input channel Dry contact Digital...

Page 73: ...1 IEC 61000 4 3 EM Field IEC 61326 1 IEC 61000 4 4 Electric Fast Transient IEC 61326 1 IEC 61000 4 5 Surge Immunity IEC 61326 1 IEC 61000 4 6 Conducted Radio Frequency Immunity IEC 61326 1 IEC 61000...

Page 74: ...25 inductive 0 5 1 0 0 5 0 5 capacitive 0 5 1 0 0 5 Parameter Accuracy Item Display range Accura 3500S Voltage L N 0 0 9999V kV 0 2 Reading Voltage L L 0 0 9999V kV 0 2 Reading Current 0 000 9999A kA...

Page 75: ...1 0 1 0 7th 1 0 1 0 11st 1 0 1 0 13th 1 0 1 0 25th 1 0 1 0 31st 1 0 1 0 Voltage 220V Tested percentages of harmonic to fundamental 50 Current 5A Tested percentages of harmonic to fundamental 50 Relia...

Page 76: ...cura 2300S 2350 Accura 2500 2550 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 C...

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