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Acuvim II Installation Manual

1. 1 1 The Purpose of Acuvim 1 2 The Application Area of Acuvim 1 1 3 The Function of Acuvim Chapter 2 1 5 2 1 Appearance and 51 2 2 Installation 2 3 Wiring of Acuvim Chapter 3 Meter Operation and Parameter Setting 3 1 Display Panel and 3 2 Metering 3 3 Statistics 3 4 Demand 3 5 Harmonic 3 6 Expanded 1 Module 3 7 Parameter Setting 3 8 Page recovery Chapter 4 Function and
2. M11 M12 DH 3 lt gt ES gt MII D M11 M12 6 1 12 or M12 gt MH MI2 RO 11 12 RO1 RO2 M12 M12 M11 M12 SD L I Le M11 M12 Counter 1 lt gt Y L MH M12 Counter 2 Mi4 0M42 Counter 3 CP M11 M12 Counter 4 Oy M11 M12 Counter 5 M11 M12 Counter 6 CP mamo 9 M21 M22 DIt 4 M21 M22 lt D 10 M21 or M22 gt W21 M22 AO0 lt P 21 22 AO1 AO2 output Cm Y lt gt M21 M22 Counter Oy M21 M22 Counter 2 lt gt J M24M22 Counter3 D J M21 N22 Counter4 CP 41 Been I Aawim I mama D Z M31 M32 9 4 Module M31 M32 CH TD aD 10 M31 or M32 M31 M32 RO a P M31 M32 RO1 RO2 CH CH Y gt MEM n M34 M32 Counter r CH lt gt M31 M32 Counter2 M31 M32 Counters M31 M32 Counte CP U M31 M32 9 31 32 AH input 6 Note The figure shows the rolling sequence for using key P If using E key for rolling page the sequence will reverse 3 7 Parameter Setting Mode Press H and V A simultaneously wil
3. Appearance NES 8 9000009 Rr o m B m D n B odi go E o j we Por 9 L b j Fig 2 1 Appearance of Acuvim II The Acuvim Il enclosures are made of high strength 1 Enclosure A anti combustible engineering plastic Front Casing After the installation this part is before the panel LCD Display Large bright white backlight LCD Display 2 3 4 Key Four keys are used to select display and set 5 Voltage Input Terminals Used for Voltage input 6 7 8 Current input Terminals Used for Current input Power Supply Terminals Used for Supply input Communication Termi nals Communication output 9 Installation Clip The clips are used for fixing the meter to the panel Table 2 1 Part name of Acuvim II Dimensions mm n d Acuvion T Multifunction Power Meter lt 96 00 91 00 H P E Y Y 35 90 lt lt gt 96 00 5070 j Front view Side view Fig 2 2 Dimensions 2 2 Installation Method Environmental Before installation please check the environment temperature and humidity to ensure the Acuvim II meter is being placed where optimum performan
4. 77 pw NL AND mva s 4 A D o JW JW wi WP 57 jn pn PGD s Tota i a A kWh s BB B Bm m m m Kah x2 x2 M3 x2 H BAM T1 T2 T4 EX En Exe Mo iN OF 13 14 15 16 a 1 p je le a Fig3 1 All Display Segments It shows the topic of the display area Meter for real time measurement Max Min for statistic data Demand for power demand data Harmonic for harmonic data Setting for parameters setting Digital 1 0 for expended 10 module data 1 Display mode indication 28 Four lines of i letters in the metering area Main Display Area display metering data such as voltage current power power factor frequency imbalance phase angle etc display statistics such as maximum and minimum display demand data display settings and display expanded I O data four B and five n letters Display energy data and real time clock Also used for the setting mode and digital 1 0 mode display three i letters Item label U for voltage I for current P for active power Q for reactive power S for apparent power PF for power factor for frequency lt for phase angles DMD for demand display setting page number display expanded 10 module type for Unbalance THD TDD MAX MIN Item Label Unbalance for imbalance of
5. Ethernet setting 4 1 DHCP setting P N02 IP Address N03 Submask N04 Gateway N05 DNSI CP N06 DNS2 CP N07 Modbus TCP IP Port y N08 Http Port CPD N09 Ethernet resetting selection The selection of DHCP setting MANU or AUTO Defaul t setting MANU IP address have four segments Any segment can be set from 0 255 Defaul setting 192 168 1 254 Submask have four segments Any segment can be set from 0 255 Defaul setting 255 255 255 0 Gateway have four segments Any segmentcan be set from 0 255 Defaul t setting 192 168 1 1 DNS1 have four segments Any segment can be set from Defaul 0 255 setting 202 106 0 20 DNS2 have four segments Any segmentcan be set from 0 255 Defaul t setting 0 0 0 0 Range from 2000 5999 the default value is 502 Range from 6000 9999 the default value is 80 0 No resetting 1 Resetting 2 Renew itto default setting and then resetting it Note The figure shows the rolling sequence for using key P key for rolling page the sequence will reverse If using E 53 I I f Alarm Parameter In the alarm parameter mode firstly find the parameter and then modify Key functions for finding the alarm parameter Press H back to par
6. 4 1 Basic Analog lt 4 2 4 3 Harmonics and Power Quality Analysis 4 4 Over Range 4 5 Extended I O 4 6 Extended Communication Chapter 5 Function and Aawim I 5 1 Introducing Modbus Protocol 74 5 2 Format of Communication 77 5 3 Data Address Table and Application Details of Acuvim II 82 107 Appendix A Technical data and specifications 108 Appendix B Ordering Information 111 Appendix C Revision 112 Congratulations You have received an advanced versatile multifunction power meter also known as a Remote terminal unit RTU which will greatly benefit your power system When you open the package you will find the following items Acuvim Il met
7. Aawim I Current Input Terminal Strip l11 112 121 122 131 132 1 2 3 4 5 6 Voltage Input Terminal Strip 2020202 ET L qr L I dp 7 8 9 10 V4 V2 V3 VN Power Supply Terminal strip J O2 Eh d 11 12 13 L N Power Supply Communication terminal strip 22 Comm Port A B S 14 15 16 Fig 2 6 Terminal Strips of Acuvim II A Only the qualified personnel could do the wire connection work Make sure the power supply is cut off and all the wires are powerless Failure to observe it may result in severe injury or death NOTE Make sure the auxiliary power terminal of the meter ground is connected to the safety Earth of switchgear 5 NOTE Make sure the voltage of power supply is the same as what the meter needed for its auxiliary power Safety Earth Connection Before doing the meter wiring connection please make sure that the switch gear has a safety Earth system Connect the meter safety earth terminal to the switch gear safety earth system The following safety earth symbol is used in this user s manual Fig 2 7 Safeth Earth Symbol Auxiliary Power The auxiliary power supply of the Acuvim II meter is 100 415Vac 50 60Hz or 100 300
8. Aawim I fundamental wave 2 There are two ways to calculate reactive energy power Mode 0 real reactive energy Q 4S P D Mode 1 general reactive energy o 4s FP 3 User can choose primary energy or secondary energy by pressing key or via communication as shown in figure 4 7 Start Readings Settings Help 201 mre 2 9 ELE Delivered kwh 35 kwh Delivered 0 1 kvarh Received kwh 0 0 kwh Received kVARh 0 0 kvarh Total Absolute kwh 35kwh Total Absolute 0 1 kvarh Total Net kwh 3 5 kwh Total Net KVARh 0 1 kvarh kVAh 3 6 kVAh Best THD Volts AN AB 000 THDIA 0 48 THD Volts BN BC 000 THDIB 041 THD Volts CN CA 0 43 THDIC 0 45 THD Volts Average 0 14 0 44 Even THD THFF Crest Factor KFactor ond 3 0 00 0 32 1 414 0 00 0 31 1414 030 049 1 414 000 10 0 00 1 0 0 00 1 0 3i Figure 4 2 energy and power quality parameters Current direction adjustment The normal current direction is from port 1 to port 2 but sometimes 60 current directions can be set as Negative which means reversing 180 degrees and Positive which means normal It is easy to get the right data without changing the wiring It is also shown in figure 4 7 4 2 Max Min i we may make wrong wiring To adjust direction of current the three 1 lt Start Settings Help omg mre
9. Ideal Choice for Electric Automation SCADA System Acuvim 11 can be used to replace all traditional electric meters It also can be used as Remote Terminal Unit RTU for monitoring and controlling in a SCADA system the measured data is available via digital RS485 communication ports running the Modbus protocol Energy Management Acuvim Il can measure bidirectional four quadrants kWh and kvarh It can provide maximum minimum energy data and energy demand data With the help of master software you can easily know how the load and energy are running It automatically gives you all kinds of measurement tables as well Remote Power Control The main function of Acuvim II is measuring and it also has some flexible functions which make the meter very useable as a distributed RTU metering monitoring remote controlling in one unit Power Quality Analysis With the help of powerful digital signal processing technology the Acuvim 3 II intelligent power meter can be used as an online power quality analysis instrument It can simultaneously and continuously give out the analysis results such as THD of voltage and current harmonics up to 31st order and unbalance factor of voltage and current etc 1 2 The Application Area of Acuvim II Power Distribution Automation Intelligent Electric Switch Gear Industry Automation Building Automation Energy Management System Substation Automation Resident district power monitori
10. 10c1H AI3 4 type 0 2 0 5V 3 1 5V R W AO transforming select 1 10c2H AO1 transforming parameter Refer to following table R W lt 10c3H 02 transforming parameter Refer to following table R W 10c4H AO3 transforming parameter Refer to following table R W 10c5H AOA4 transforming parameter Refer to following table R W AO transforming parameter settings 0 Frequency 1 Va 2 Vb 3 Vc 4 Average phase 5 Uab voltage 6 Ubc 7 Uca 8 Average line voltage 9 Line current of 10 Line current of T Line current of phase A phase B phase C 12 Average line 13 Neutral current 14 Power of phase A current 15 Power of phaseB 16 Power of phase C 17 Power of all Reactive power Reactive power Reactive power 18 of phase A 13 of phase B 20 of phase C 21 Reactive power 22 Apparent power 23 Apparent power of all of phase A of phase B 24 Apparent power 25 Apparent power 26 PF of A of phase C of all 27 PF of B 28 PF of C 29 PF Basic Analog measurements There are two different modes to read basic analog measurements one is secondary mode and another is primary mode In primary mode the numerical value in register of Acuvim II is equal to the real physical 93 value In secondary mode the relationship between numerical value in register and the real physical value is as following table numerical value in register of
11. Acuvim Il Series Power Meter User s Manual Copyright 2007 V1 2 This manual may not be reproduced in whole or in part by any means without the expressed written consent of Accuenergy The information contained in this document is believed to be accurate at the time of publication however Accuenergy assumes no responsibility for any errors which may appear here and reserves the right to make changes without notice Please ask the local representative for latest product specifications before ordering Aawim I Please read this manual carefully before doing installation operation and maintenance of Acuvim II meter Following symbols are used in this user s manual and on Acuvim Il meter to alert the dangerous or to prompt in the operating or set process Dangerous symbol Failure to observe the information may result in 4 injury or death Alert symbol Alert the potential dangerous Observe the information after the symbol to avoid possible injury or death dus This mark is on product for UL Listed product LISTED Installation and maintenance of the Acuvim Il meter should only be performed by qualified competent personnel that have appropriate training and experience with high voltage and current device This document is not fit for people without adequate experience and training Accuenergy is not liable for any problems occurring under proper operation Chapter 1 1
12. ILE E XC Channel Maximum Time Stamp I Minimum Time Stamp I Volts 220 0 V 2007 4 30 11 30 56 219 9 2007 4 30 11 30 59 Volts BN 220 1 V 2007 4 30 11 31 16 220 0 V 2007 4 30 11 30 56 Volts CN 220 1 V 2007 4 30 11 31 53 219 9 V 2007 4 30 11 31 43 Volts AB 381 1 V 2007 4 30 11 31 01 380 9 V 2007 4 30 11 31 08 Volts BC 3812V 2007 4 30 11 30 56 381 0 2007 4 30 11 31 15 Volts 381 3V 2007 4 30 11 31 55 381 1 V 2007 4 30 11 30 56 5 007 2007 4 30 11 31 08 5 003 2007 4 30 11 31 18 IB 5 005 4 2007 4 30 11 32 08 5 000 2007 4 30 11 31 01 Ic 5 006 4 2007 4 30 11 31 02 5 001 2007 4 30 11 31 41 Watt Total 3 305 kw 2007 4 30 11 31 43 3 294 kw 2007 4 30 11 31 30 VAR Total 0 059 kvar 2007 4 30 11 31 27 0 073 kvar 2007 4 30 11 31 08 VA Total 3 308 kVA 2007 4 30 11 31 43 3 296 kVA 2007 4 30 11 31 30 Pwr Factor Total 1 000 2007 4 30 11 30 56 1 000 2007 4 30 11 30 56 Frequency 50 00 Hz 2007 4 30 11 30 56 50 00 Hz 2007 4 30 11 30 56 Watt Total Demand 3 301 kw 2007 4 30 11 30 56 3 301 kw 2007 4 30 11 30 56 VAR Total Demand 0 066 kvar 2007 4 30 11 30 56 0 066 kvar 2007 4 30 11 30 56 VA Total Demand 3 303 2007 4 30 11 30 56 3 303 2007 4 30 11 30 56 Imbalance V 00 2007 4 30 11 30 56 00 2007 4 30 11 30 56 Imbalance 22 2007 4 30 11 30 56 21 2007 4 30 11 31 36 THD Volts 0 00 2007 4 30 11 30 56 000 2007 4 30 11 30 56 THD Volts BN BC 0 00 2007 4 30 11 30 56 0002 2007 4 30 11 30 56 THD Volts CN C 0 46
13. AI3 sampling value 44 Al4 sampling value Bec I 90 1 0 Modules settings These settings are for some extended 1 0 modules if there is no any extended I O modules all the settings are of no use Please check the 1 0 connecting status before you do any settings Function code for reading 10H for writing Please refer to User s manual of extended 1 Modules gt gt for more details AXM 1011 BitO DI1 Bit1 DI2 Bit2 DI3 Bit3 Dl4 109eH DI1 6 type 0 Bit4 DI5 Bit5 DI6 R W 0 DI 1 pulse counter 109fH DI pulse constant 0 1765535 R W 10a0H Working mode of relay 1 0 O control output R W and 2 1 alarming output 10a1H c 1 0 0 latch 1 momentary R W 10a2H Pulse width 50 50 3000ms R W AXM 1021 BitO DI7 Bit1 DI8 10a3H 017 10 type 0 Bit2 DI9 Bit3 DI10 R W O DI 1 pulse counter 10a4H DI pulse constant 0 1 65535 R W 10 5 Working mode of DO 0 O pulse output R W 1 alarming output 10a6H DO pulse width 20 20 1000ms R W 0 1 consumption power 10a7H 001 output 0 2 gererating power R W 3 absorption reactive power 4 generating reactive power 10a8H DO2 output 0 Same as above 0 0 20mA 1 4 20mA 2 0 5V 10a9H A01 2 type 0 3 1 5V AXM 1031 BitO DI11 Bit1 DI12 10aaH 0111 14 type 0 Bit2 DI13 Bit3 DI14 O DI 1 pulse counter 10abH DI pulse constant
14. Energy clear 0 Only 1 works 0 fundamental 1017H Energy calculating mode 1 1ifull wave 1018H Reactiye Power 0 O real 1 general measuring mode 1019H Energy display mode 0 O primary 1 secondary 0 none 1 reset 101aH Ethernet Module reset 0 default and reset 0 none 1 AXM IO11 101bH SOE enable 0 2 AXM 1021 3 AXM 1O31 4 AXM 1012 5 AXM 1022 6 AXM 1032 Aawim I 86 0 none 1 AXM 1011 2 AXM 1021 3 AXM 1031 101cH Pulse counter clear 0 A AXM 1012 5 AXM 1022 R W 6 AXM 1032 101dH Basic parameter mode 0 0 1 primary R W System status parameter System status indicates what events happened in the meter what kinds of flags are read by user and to be the index of the storage of the events Flags should be cleared after being read by the controller otherwise new data will not be stored properly Function code 03H for reading 10H for writing Data type word 101eH 1024 Recording pointer 1 new data R W bj st0 15 BitO new alarming or not 102eH System status Bit new SOE or R 102fH 1031H Reserved 1032H Alarming group F1 0 15 R number 1033H SOE group number F1 0 19 R 1034H Run time high R 1035H Run time low 0999999999 R Bit0 AXM IO11 Bit1 AXM 1012 Expanded Bit2 AXM 1021 Bit3 1036H Modules AXM 1022 Bit4 AXM R connecting status 1031 Bit5 AXM 1032 0 disconnected 1 connecte
15. phase angle of I2 to V1 F25 0 3600 ZA 42a4H phase angle of 13 to V1 F25 0 3600 R 42a5H phase angle of V23 to V12 F25 0 3600 R 42a6H phase angle of 11 to V12 F25 0 3600 R 42a7H phase angle of I2 to V12 F25 0 3600 R 42a8H phase angle of 13 to V12 F25 0 3600 R Alarming records There are 16 groups of records with the same format 03H for reading 10H for writing Please refer to chapter 4 for more Function code details 42a9H First group alarming status F1 0 65535 42aaH First group alarming F1 0 44 parameter code 42abH First group over range or F10 F18 Related with reset value parameters 42acH 42b2H First group Time stamp F3 yyyy mm dd hh mm ss ms 42b3H 42bcH Second group Same as the first group 42bdH 42c6H Third group Same as the first group 42c7H 42d0H Fourth group Same as the first group 42d1H 42daH Fifth group Same as the first group 42dbH 42e4H Sixth group Same as the first group 42e5H 42eeH Seventh group Same as the first group 42efH 42f8H Eighth group Same as the first group 42f9H 4302H Ninth group Same as the first group 4303H 430cH Tenth group Same as the first group 430dH 4316H Eleventh group Same as the first group 4317H 4320H Twelfth group Same as the first group 4321H 432aH Thirteenth group Same
16. 0 1 65535 Working mode of 0 control output relay 3 and 4 i 1 alarming output 10adH Output 0 0 latch 1 momentary relay 3 and 4 10aeH Pulse width 50 50 3000ms 0 0 20mA 1 4 20mA 10afH 2 type 0 2 0 5V 3 1 5V AXM 1012 BitO Dl15 Bit1 DI16 Bit2 DI17 Bit3 DI18 100M DH520 DDR Bit4 DI19 Bit5 DI20 O DI 1 pulse counter 10b1H DI pulse constant high 0 1 65535 10b2H Working mode of relay 0 O control output 5 and 6 1 alarming output 10b3H Output made of relay 0 0 latch 1 momentary 5 and 6 10b4H Pulse width 50 50 3000ms Bee I 92 AXM 1022 BitO DI21 Bit1 DI22 10b5H 0121 24 type 0 Bit2 DI23 Bit3 DI24 R W O DI 1 pulse counter 10b6H DI pulse constant 0 1 65535 R W Working mode of 0 pulse output 03 4 0 1 alarming output REN 10b8H DO Pulse width 20 20 1000ms R W 0 none 1 consumption power 2 gererating power 10b9H 003 output 0 3 absorption reactive R W power 4 generating reactive power 10baH 004 output 0 Same as above R W 0 0 20mA 1 4 20mA 10bbH AO3 4 type 0 2 0 5V 3 1 5V R W AXM 1032 BitO DI25 Bit1 DI26 10bcH 0125 28 type 0 Bit2 DI27 Bit3 DI28 R W 0 01 1 pulse counter 10bdH DI pulse constant 0 1 65535 R W 10beH Working mode of 0 O control output R W relay 7 and 8 1 alarming output 10bfH DERE HOMER 0 0 latch 1 momentary R W relay 7 and 8 10cOH Pulse width 50 50 3000 R W 0 0 20mA 1 4 20mA
17. 17 to turn on Relay1 DO addr DO addr Value Value CRC 16 CRC 16 Addr Fun h hi lo hi lo Hi Lo 11H 05H 00H 00H FFH 00H 5 10 Control Relay Query Message Response The normal response to the command request is to retransmit the message as received after the relay status has been altered Addr Fun Relay addr Relay addr Value Value CRC CRC hi lo hi lo Hi Lo 11H 05H 00H 00H FFH 00H 8EH AAH Table5 11 Control Relay Response Message 5 Preset Reset Multi Register Function Code 16 Query Function 16 allows the user to modify the contents of a Multi Register Some Registers of Acuvim II can have their contents changed by this message The example below is a request to an Acuvim 11 with the address of 17 to preset Ep imp as 17807783 3KWh while its HEX value is 0A9D4089H Ep imp data address is 0x4048 and 0x4049 Datastart Datastart Data of Data Byte reg hi reg lo reg hi reg lo Count 11H 10H 40H 48H 00H 02H 04H Addr Fun Value hi Value Lo Value hi Value lo CRC hi CRC lo OAH 9DH 40H 89H F1H 6AH Table5 12 Preset Multi Register Query Message Aawim I Response The normal response to a preset Multi Register request includes the Acuvim Il address function code data start register the number of registers and error checking D
18. 2007 4 30 11 31 43 0 00 2007 4 30 11 32 07 THDIA 0 63 2007 4 30 11 31 15 0402 2007 4 30 11 31 51 THDIB 0 58 2007 4 30 11 32 09 0 00 2007 4 30 11 30 56 THDIC 0 45 2007 4 30 11 31 33 0 00 2007 4 30 11 30 56 Reset and Min Figure 4 3 Max Min Acuvim Il can make statistics of the maximum and minimum values of phase line voltages currents power reactive power apparent power power factor frequency demand unbalance factor THD as well as the time they occur All the data will be stored in non volatile memory so 61 Aawim I that they will not lose when the power supply is off All of the maximum and minimum data can be accessed via communication or panel but the time stamps can only be accessed via communication The statics can be cleared via communication or panel 4 3 Harmonics and Power Quality Analysis 1 Harmonics Acuvim Il can measure and analyze THD Harmonics 2nd to 31st even HD odd HD Crest Factor THFF K factor etc They are shown in figure 4 2 2 Phase angle Phase angle indicates the angle between U1 and other voltage and current parameters It ranges from 0 to 360 degrees This function is to help user find out the relationship between all input signals avoiding wrong wiring When it is set to 2LL it gives out the phase angles of u23 i1 i2 i3 corresponding to u12 For other settings it gives out the phase angles of u2 u3 i1 i2 i3 corresponding to u1 They are sho
19. Acuvim 11 Function code 03H for reading Rx is the 4000H 4001H Frequency F1 F Rx R 4002H 4003H Phase voltage V1 F1 U Rxx PT1 PT2 R 4004H 4005H Phase voltage V2 F1 U Rxx PT1 PT2 R 4006H 4007H Phase voltage F1 U Rxx PT1 PT2 R 4008H 4009H Average voltage F1 U Rxx PT1 PT2 R 400aH 400bH Line voltage V12 F1 U Rxx PT1 PT2 R 400cH 400dH Line voltage V23 F1 U Rxx PT1 PT2 R 400eH 400fH Line voltage V31 F1 U Rxx PT1 PT2 R 4010H 4011H line voltage 4 U Rxx PT1 PT2 R 4012H 4013H Phase line current 11 F1 I Rxx CT1 CT2 R 4014H 4015H Phase line current 12 F1 I Rxx CT1 CT2 R 4016H 4017H Phase line current 13 F1 I Rxx CT1 CT2 R 4018H 4019H Average current lavg F1 I Rxx CT1 CT2 R 401aH 401bH Neutral current In F1 I Rxx CT1 CT2 R 401cH 401dH Phase A power F1 P Rxx PT1 PT2 x CT1 CT2 R 401eH 401fH Phase B power Pb F1 1 2 1 2 4020H 4021H Phase power Pc F1 P Rxx PT1 PT2 x CT1 CT2 R 4022H 4023H System power Psum F1 P Rxx PT1 PT2 x CT1 CT2 4024H 4025H Phase A reactive Fi Q Rxx PT1 PT2 CT1 CT2 R power Qa Phase B reactive Q Rxx PT1 PT2 x CT1 4025H 4027H power Qb F1 CT2 x R 4028H 4029H Phase C reactive Fi Q Rxx PT1 PT2 x CT1 R power Qc CT2 System reactive Q Rxx PT1 PT2 x CT1 402aH 402bH Ft 402cH 402dH Phase A A
20. DI9 1 ON 0 OFF 0009H DI10 1 ON 0 OFF AXM 1031 000aH DI11 1 ON 0 OFF 000bH DI12 1 ON 0 OFF 000cH DI13 1 ON 0 OFF 000dH DI14 1 ON 0 OFF AXM IO12 000eH DI15 1 ON 0 OFF 000fH DI16 1 ON 0 OFF 0010H DI17 1 ON 0 OFF 0011H 018 1 ON 0 OFF 0012H DI19 1 ON 0 OFF 0013H DI20 1 ON 0 OFF AXM 1022 0014H DI21 1 ON 0 OFF 0015H DI22 1 ON 0 OFF 0016H DI23 1 ON 0 OFF 0017H 0124 1 ON 0 OFF AXM 1032 0018H DI25 1 ON 0 OFF Aawim I 0019H DI26 1 ON 0 OFF bit 001aH DI27 1 ON 0 OFF bit 001bH DI28 1 ON 0 OFF bit Relay status Function code 01H for reading 05H for controlling output AXM IO11 0000H Relay1 1 ON 0 OFF bit 0001H Relay2 1 ON 0 OFF bit AXM 1031 0002H Relay3 1 ON 0 OFF bit 0003H Relay4 1 ON 0 OFF bit 1012 0004 Relay5 1 ON 0 OFF bit 0005H Relay6 1 ON 0 OFF bit AXM 1032 0006H Relay7 1 ON 0 OFF bit 0007H Relay8 1 ON 0 OFF bit 106 Appendix A Technical Data and Specifications Appendix B Ordering Information Appendix C Revision History 107 Bee I Appendix A Technical data and Specification Input ratings Voltage rating 400 LN 690 LL Vac RMS 3 phase 400 LN Vac RMS single phase With 20 overage 3LN or 2LN wiring Installation Category Pollution Degree 2 Frequency range 45 65Hz overload 2 times continuously 2500Vac per second no recurrence Voltage range through PT 100
21. F8 0 999999999 R W 404eH 404fH Reactive energy EXP F5 F8 0 999999999 R W 4050H 4051H Energy TOTAL F4 F7 0 999999999 R W 4052H 4053H Energy NET F4 F7 0 999999999 R W 4054H 4055H Reactive energy TOTAL F5 F8 0 999999999 R W 4056H 4057H Reactive energy NET F5 F8 0 999999999 R W 4058H 4059H Apparent energy F6 F9 0 999999999 R W Harmonics THD Harmonics odd HD even HD Crest Factor THFF K factor etc are all stored here The data type is word Voltage parameters refer to line voltage when it is set to 2LL 3LL and phase voltage for others Function code 03H for reading The following are the THD of voltage and current 405aH THD V1 of V1 V12 F18 0 10000 R 405bH THD V1 of V2 V31 F18 0 10000 R 405cH THD V1 of V3 V23 F18 0 10000 R 405dH Average THD V F18 0 10000 R 405eH THD I1 F18 0 10000 R 405fH THD I2 F18 0 10000 R 4060H THD I3 F18 0 10000 R 4061H Average THD I F18 0 10000 R Voltage Harmonics even HD odd HD Crest Factor are shown as below 4062H Harmonics of V1 V12 407fH the 2 to 31 F19 010900 4080H Odd HD of V1 V12 F20 0 10000 R 4081H Even HD of V1 V12 F21 0 10000 R 4082H Crest Factor of V1 V12 F22 0 65535 R 4083H THFF of V1 V12 F24 0 10000 R 4084H 40a5H Parameters of V2 V31 Same as V1 R 40a6H 40c7H Parameters of V3 V23 Same as V1 R 40c8H Harmonics of
22. Ifitis other value itmeans after that long time it will goes off if no key has been pressed _ It will be on whenever you press any key if itis off 1 sliding block 2 thermal Range from 1 30 minutes Yes dear No notclear gt 15 max min clear gt 16 run hour clear gt 17 direction gt S18 12 direction e 19 13 direction c 20 VAR PF Convention ci 21 energy clear gt 522 energy mode ce S23 calculation method of reactive power e 524 energy type gt 325 pulse counter clear gt 26 SOE enable gt S27 Profibus address 528 Basic Parameter mode 529 password To dear the Max and Min value does not mean write 0 to all the registers it will copy the metering value to the statistic registers and starta new statislic period Yes dear No notdear To adjust polarity of current the three current s direction can be set as Negative which means reversing 180 degrees and Positive which means normal 0 IEC 1 IEEE Yes dear No notdear Fund fundamental Full full wave 0 true 1 generalized Q S Pre primary energy Sec secondary energy Range from 0 6 0 not clear 1 AXM IO11 clear 2 1 dear 3 AXMIO31 dear 4 12 cle
23. Total 0 06742 Dmd VA Total 3 30230 kVA Fig 4 1 Real Time Metering Demand Types of demand calculated in Acuvim are active power demand of three phase reactive power demand of three phases and apparent power demand of three phases Demand memory can be cleared To clear is to reset all the registers to 0 like the initial of the meter demand calculation only Demand calculating mode can be set as sliding window and thermal according to user The figure 4 7 shows how it works In the sliding window interval you select an interval from 1 to 30 minutes which is the period of the calculation The demand updates every 1 minute as the window sliding once Thermal demand method calculates the demand based on a thermal response which mimics the thermal demand meter You select the period for the calculation and the demand updates at the end of each period Energy Various kinds of energy will be accumulated in Acuvim 11 Real time energy the accumulation of energy for the kWh kvarh and kVAh since cleared last time Calculating mode 1 User can select calculating mode from fundamental based or full wave based by pressing key or via communication Fundamental based calculating is to accumulate energy ignoring harmonics while full wave based calculating is to accumulate energy including fundamental and harmonics Note When fundamental based calculating is selected PF is that of 59
24. device can withstand Refer to meter and or device labels and to the Specifications for all devices before applying voltages Do not HIPOT Dielectric test any Outputs Inputs or Communications terminals 1 ACCUENERGY recommends the use of Shorting Blocks and Fuses for voltage leads and power supply to prevent hazardous voltage conditions or damage to CTs if the meter needs to be removed from service CT grounding is optional 1 ACCUENERGY recommends use dry cloth to wipe the meter NOTE IF THE EQUIPMENT IS USED IN A MANNER NOT SPECIFIED BY THE MANUFACTURER THE PROTECTION 2 PROVIDED BY THE EQUIPMENT MAY BE IMPAIRED NOTE THERE IS NO REQUIRED PREVENTIVE MAINTENANCE OR INSPECTION NECESSARY FOR SAFETY HOWEVER ANY REPAIR OR MAINTENANCE SHOULD BE PERFORMED BY THE FACTORY DISCONNECT DEVICE The following part is considered the equipment disconnect device A SWITCH OR CIRCUIT BREAKER SHALL BE INCLUDED IN THE END USE EQUIPMENT OR BUILDING INSTALLATION THE SWITCH SHALL BE IN CLOSE PROXIMITY TO THE EQUIPMENT AND WITHIN EASY REACH OF THE OPERATOR THE SWITCH SHALL BE MARKED AS THE DISCONNECTING DEVICE FOR THE EQUIPMENT Aawim I The installation method is introduced in this chapter Please read this chapter carefully before beginning installation work 2 1 Appearance and Dimensions
25. for modifying the parameter Press H move the flashing cursor to the next position Press P the flashing number will add one Press E the flashing number will minus one Press V A confirm the modification and back to parameter finding mode The following figure shows how it rolls Aawim I 46 SYS setting S01 Meter address S02 Baud rate KITE ze E S03 Voltage wiring 04 Current wiring S05 PT1 0 506 2 507 S09 pulse constant for active energy 10 pulse constant for reactive energy 11 backlight time 512 demand calculation method 513 demand window 14 demand clear Anyinteger from 1 247 Selectform 600 1200 2400 4800 9600 19200 38400 bps Voltage wiring mode can be one 3LN 2LN 2 Current wiring mode can be one of ICT CT PT1 primary nominal value of PT range from 50 0V 500 000 0V PT2 secondary nominal value of PT range from 50 0V 400 0V Ifno PT used set PT 1 and PT2 as the nominal voltage ofthe meter primary value of CT range from 1A 50000A CT2 secondary value of CT choose from 1A or 5A Indicates the kWh for one pulse Range from 1 6000 and the unit is 0 1kWh pulse Indicates the kvarh for one pulse Range from 1 6000 and the unitis 0 Tkvarh pulse The on time can be setfrom 0 to 120 Minute The backlight will always be on if the setting value is 0
26. output of the PT should be 100V or 120V typically The accuracy of measurement is related to the PT you select so be careful For the star system the primary rated voltage of PT is equal to or close to the phase voltage of the system For the delta system it is the line voltage of the system A fuse typical 1A 250Vac should be used in voltage input loop The wire of voltage input could AWG16 12 or 1 3 2 0mm Note In no circumstance could the secondary of PT be shorted The secondary of PT should be well grounded at one end Current Input In a practical engineering application CTs should be installed in the loop of measuring Normally the secondary of CT is 5A 1A is possible in the ordering option A CT of accuracy over 0 5 rating over 3VA is recommended and it will influence the measuring accuracy The wire between CT and Acuvim Il should be as short as possible The length of the wire may increase the error of the measurement CTs must be required if the rated current is over 5A The wire number of current input could be AWG15 10 or 1 5 2 5mm The CT loop should not be open circuit in any circumstance when the power is There should not be any fuse or switch in the CT loop and one end of the CT loop should be well connected to the ground Vn Connection Vn is the reference point of Acuvim 11 voltage input The lower is the wire resistance the better is the accuracy The wiring mode of Vn depends greatly on t
27. parameter code 0 44 R W 104fH First group comparison mode 1 larger 2 equal 3 smaller R W 1050H First group setting value Related with parameters R W 1051H First group delay time 0 3000 10ms R W 1052H First group output to relay 0 none 1 8 related relay R W Table 4 1 first group of alarming settings 64 Parameter code used to select a parameter for this group For example 0 frequency 44 Al4 sampling data Then this parameter will be monitored Comparison mode set alarming condition 1 larger 2 equal 3 smaller For example if you choose frequency larger and setting value is 50 then it will alarm when the frequency is larger than 50Hz Notice the relationship between communication setting value and actual value is the same as that of the selected parameter Delay time if the alarms condition lasts for a specified time period an alarm will be valid and recorded It ranges from 0 to 3000 unit 10ms When it is set to 0 there is no delay after the condition is setup If it is set to 20 it will delay 20 10 200ms Output to relay 0 the alarming will not output to RO if it is set as 1 and AXM 1011 is connected it will output to RO1 when alarm happens and RO1 will be turned off until all alarms output to RO1 are reset RO2 RO8 are the same as Notice if RO is under alarming mode it can only work in latch mode After single alarming group setting is finished you nee
28. the 2 40e5H to 31 F19 0 10000 R 40e6H Odd HD of 11 F20 0 10000 R 40e7H Even HD of I1 F21 0 10000 R 40e8H K Factor of 11 F23 0 65535 R 40e9H 4109H Parameters of I2 Same as 11 R 410aH 412aH Parameters of 13 Same as 11 R MAX MIN records MAX MIN value and stamp time Function code 03H for reading 4136H MAX of V1 F11 32768 32767 R 4137H Time stamp yyyy mm dd hh F3 time R 413cH mm ss 413dH MAX of V2 F11 32768 32767 R 413eH Time stamp yyyy mm dd hh gt 4143H mm ss ra time R 4144H MAX of V3 F11 32768 32767 R 97 I LOA A Aawim I 4145H Time stamp yyyy mm dd hh 414aH mm ss F3 pms R 414bH MAX of V12 F11 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of V23 F11 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of V31 F11 32768 32767 R Time stamp yyyy mm dd hh F3 me R mm ss MAX of I1 F12 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of I2 F12 32768 32767 R Time stamp yyyy mm dd hh F3 tine R mm ss MAX of 13 F12 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of system power F13 32768 32767 R Time stamp yyyy mm dd hh F3 R mm ss MAX of system reactive power F14 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of system apparent power F15 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of power f
29. the voltage and current THD for total harmonics distortion TDD for total demand distortion MAX for maximum and MIN for minimum Display the percentage of the load current to the nominal current a Load rate 42 Load Four quadrant label 4i wy and load type label W dk A wy Inductor label inductive load Capacitor label capacitive load the quadrant of the system power 1 2 2 3 3 1 avg N 1 2 3 for 3 phase A B C 1 2 2 3 3 1 for 3 phase line to line AB BC CA avg for average and N for neutral Energy label Imp Total Net Exp Imp consumption energy Exp generation energy Total absolute sum of Imp and Exp energy Net algebraic sum of Imp and Exp energy I voltage V kV current A kA active power kW MW reactive power kvar Mvar 10 lUnit apparent power kVA MVA frequency Hz active energy kWh reactive energy kVarh apparent energy kVAh percentage phase angle No label no communication 11 Communication label One label inquiry Two labels inquiry and answer 12 Energy pulse output indicator No label no pulse output With label pulse output M1 one AXM IO1 connected M1x2 two AXM IO1 connected None no AXM IO1 connected RE GR VO module M2 one AXM IO2 connected 13 M2x2 two 102 connected 1 X2 M2 x2 M3 x2 None no AXM IO2 connected M3 one AXM IO3
30. to industrial standards It can run stably under high power disturbance condition as it has passed EMC and Safety test according to IEC standards and UL certification Appearance and Dimensions Installation Method Wiring of Acuvim II Bec 1 Considerations When Installing Meters O Installation of the Meter must be performed by only qualified personnel who follow standard safety precautions during all procedures Those personnel should have appropriate training and experience with high voltage devices Appropriate safety gloves safety glasses and protective clothing are recommended O During normal operation of the Meter dangerous voltages flow through many parts of the meter including Terminals and any connected CTs Current Transformers and PTs Potential Transformers Modules Inputs and Outputs and their circuits All Primary and Secondary circuits can at times produce lethal voltages and currents Avoid contact with any current carrying surfaces O Do not use the meter or any I O Output Device for primary protection or in an energy limiting capacity The meter can only be used as secondary protection Do not use the meter for applications where failure of the meter may cause harm or death Do not use the meter for any application where there may be a risk of fire O All meter terminals should be inaccessible after installation Do not apply more than the maximum voltage the meter or any attached
31. 0KV highest at primary side PT burden 0 2VA Measuring True Rms Current rating 5Amp AC 1Amp AC Optional Metering range 0 10Amp AC Current range 50000A highest at primary side Overload 10A continuously 100A per sec no recurrence CT burden lt 0 5VA Measuring True Rms Accuracy Voltage1 0 2 2 0 2 Power 0 5 Reactive Power 0 5 Apparent Power 0 5 Power Factor 0 5 Frequency 0 2 Energy 0 5 Reactive Energy 0 5 THD 1 0 Unbalance Factor 0 5 Drift with Temperature Less than 100ppm C Stability 0 5 Measuring IEC 60253 22 0 55 IEC 60253 23 Environmental IEC 60068 2 Safety IEC 61010 1 UL61010 1 EMC IEC 61000 4 2 3 4 5 6 8 11 Dimension DIN43700 ANSI C39 1 Type RS485 Half Duplex Optical Isolated Protocol Modbus RTU Baud Rate 1200 38400bps 109 Pew I Dimensions mm 96x96x51 Cut out 92x92 or 4 inch Round Protection Level IP52 Front IP30 Cover Weight g 350g Temperature 25C 70C Metering 40 85 C Storage Humidity 5 95 Non condensing 100 415Vac 50 60Hz 100 300Vdc Power Supply Category IIl Pollution degree 2 Power Consumption 5W Appendix B Ordering Information Acuvim 11 Note 1 5A of the current input is the standard product Please con
32. 2 relay Relays of AXM IO1 can be used as alarm output or control output output mode ALM alarm output CTRL control output When set as the control output the relays have the working pattern of latch mode or pulse mode LATCH latch mode PUL pulse mode M11 M12 realy working pattern 0 If the relay work pattern is pulse mode it means that the relay will 11 12 relay close for a specified period and then open automatically The pulse output pulse width width range is 50 3000 ms 1 LOAM ANA A Module M 21 M22 DI of AXM IO2 can be used as the pulse counter each DI function is correspond to one bit of a 8 bit register The correspondence bit of 0 means that the DI works as the digital status input and the correspondence bit of 1 means that the DI works as the pulse VO M21 M22 M21 M22 pulse counter For example if the setting value is 0001 it means that is counter enable set as the pulse counter and other DI works as he digital status input C M21 If the DI works as the pulse counter then when pulse number M22 pulse constant counted by DI reach the pulse constant the pulse counter will add by one which means that the real pulse number equals the number of pulse counter times the pulse constant 0 M21 M22 DO output mode DO of AXM IO1 can be used as alarm output or energy pulse output ALM alarm output PUL energy pulse output M21 M22 DO pulse Ra
33. 31st harmonics 37 I LOW A The harmonic order will minus by one when press E each time and will back to 31 when press E at the 2nd harmonics Aawim I Press V A switch display between voltage harmonics and current harmonics The following figure shows how it rolls The 2nd harmonic ratio of voltage Note The figure shows the rolling sequence for using key P If using E key for rolling page the sequence will reverse 3 6 Expanded I O Module Data Press H and V A simultaneously will activate the display mode selection and the cursor will flash Press P or E to move the cursor right or left to Digital 170 then press V A and you will enter the expanded 1 0 module data mode In the expanded I O module data mode meter displays the data from expanded 1 modules such as DI status pulse counter number Relay status Analog Output and Analog Input etc In the expanded 1 module data mode first page is the module selection and you can choose any module as you wish If no expanded 1 module is connected it will display NO IO a Module Selection Press H no function Press P move the cursor downwards When the cursor is at the bottom press P will move the cursor to the top there is only one module connected press P will have no effect Press E move the cursor upwards When the cursor is at the top press E will move the cursor to the bottom If there is only one module c
34. 364H 0114 pulse counter number F1 0 4294967295 R 1012 4365H 4366H DI15 pulse counter number F1 0 4294967295 R 4367H 4368H DI16 pulse counter number F1 0 4294967295 R 4369H 436aH DI17 pulse counter number F1 0 4294967295 R 436bH 436cH DI18 pulse counter number F1 0 4294967295 R 436dH 436eH DI19 pulse counter number F1 0 4294967295 R 436fH 4370H DI20 pulse counter number F1 0 4294967295 R AXM 1022 4371H 4372H DI21 pulse counter number F1 0 4294967295 R 4373H 4374H 0122 pulse counter number F1 0 4294967295 R 4375H 4376H DI23 pulse counter number F1 0 4294967295 R 4377H 4378H DI24 pulse counter number F1 0 4294967295 R AXM 1032 4379 437 DI25 pulse counter number F1 0 4294967295 R 437bH 437cH DI26 pulse counter number F1 0 4294967295 R 437dH 437eH 0127 pulse counter number F1 0 4294967295 R 437fH 4380H 0128 pulse counter number F1 0 4294967295 R Al input value The output of Al is mapped to the range of 0 4095 according to its sampling value using some algorithm Data type is word Function code 03H for reading Please refer to User s manual of expanded 1 modules for more details 4385H All sampling value F1 0 4095 R 4386H Al2 sampling value F1 0 4095 R 4387H Al3 sampling value Fi 0 4095 R 4388H Al4 sampling value F1 0 4095 R AO output The o
35. E 4 u Terminal block lom t Vw V3 V2 c S 121 P 9 Acuvim Il Pd Gua 2 t 132 LOAD _ QU Fig 2 19 3LN 3CT with 2CTs 21 i 3 2LN 2CT pawn I LINE A B CN 1AFUSE E 4 4 CES Terminal block SEP Hom i Vu W j 2 n2 TO G 22 G 132 LOAD CD QD Fig 2 20 2LN 2CT 4 2LN 1CT LINE A B C N 1AFUSE e EN Qmm 0000 Ww va V2 Acuvim Il LOAD N D Fig 2 21 2LN 1CT 22 5 2LL 3CT 6 2LL 2CT LINE A BC 1AFUSE E E D Terminal block SE 6 i Ww va 22 Acuvm il e 122 8 131 LOAD L Fig 2 22 2LL 3CT LINE BC 1AFUSE P 3a l 1 J ile Terminal block Qn t Vw V2 V4 2 n2 VU Acuvim ll 122 i81 132 LOAD Fig 2 23 2LL 2CT 23 awim I Bec 1 7 2LL 1CT LINE A B C 1AFUSE dE t Pu E 3 Terminal block id Qm i Vw O 2 FOU Acuvim Il ru G 131 132 LOAD N D Fig 2 24 2LL 1CT 8 Single Phase 2
36. Line Wiring mode setting 3LN 3CT 24 LINE N 1AFUSE Terminal block T om 60 Ww va V2 1 LOAD Acuvim 11 Fig 2 25 Single phase 2Lines 9 Single Phase 3 Line Wiring mode setting 3LN 3CT A NB Qm amp 0 1AFUSE Terminal block T W V3 2 2 2 ma 3 121 3 122 ve Acuvim 11 ve e lt 132 LOAD Fig 2 26 Single phase 3Lines Communication The communication port and protocol of Acuvim Il RS485 and Modbus RTU The terminals of communication are A B and S 14 15 16 A is differential signal B is differential signal and S is connected to shield of twisted pair cable Please use good quality shielded twisted pair cable AWG22 0 5mm or higher The overall length of the RS485 cable connecting all devices should not exceed 1200m 4000ft Acuvim is used as a slave device of masters like PC PLC data collector or RTU If the master does not have R 485 communication port a converter has to be used Normally a RS232 RS485 or USB RS485 is adopted The topology of RS485 net can be line circle and star For the high quality communication good quality shielded twisted pair of cable AWG22 0 5mm or higher is very important Aawim I The shield of each segment of the RS485 cable must be connected to the ground at one end only Every A sh
37. Start bit 1 Data bits 8 Parity no parity Stop bit 1 Error checking CRC check Framing Address Function Data Check 8 Bits 8 Bits Nx8 Bits 16 Bits Table5 1 Data Frame Format Address Field The address field of a message frame contains eight bits Valid slave device addresses are in the range of 0 247 decimal A master addresses a slave by placing the slave address in the address field of the message When the slave sends its response it places its own address in this address field of the response to let the master know which slave is responding Function Field The function code field of a message frame contains eight bits Valid codes are in the range of 1 255 decimal When a message is sent from a master to a slave device the function code field tells the slave what kind of action to perform 01 Read Relay Output Status Obtain current status of Relay Output 02 Read Digital Input DI Status Obtain current status of Digital Input Obtain current binary value in one or more registers 05 Control Relay Output Force Relay to a state of on or off Place specific binary values into a series of consecutive Multiple Registers Table5 2 Function Code 03 Read Data 16 Press Multiple Register Data Field The data field is constructed using sets of two hexadecimal digits in the range of 00 to FF hexadecimal The data field of messages sent from a master to sla
38. Table5 8 is an example to read the 3 measured data F V1 and V2 from slave device number 17 the data address of F is 4000H 4001H V1 s address is 4002H 4003 and V2 s address is 4004H 4005H Addr Fun Data start Data start Data Zof Data fof CRC 16 CRC 16 addr hi addr lo regs hi regs lo regs regs Lo 11H 03H 40H 00H 00H 06H D2H 98H Table 5 8 Read F V1 V2 Query Message Response The Acuvim 11 response includes the Acuvim Il address function code quantity of data byte data and error checking An example response to read V1 and V2 F 42480000H 50 00Hz V1 42C7CCCDH 99 9V V2 42C83333H 100 1V is shown Byte 1 Data1 Data 2 Data2 Data3 Data3 Data4 Data4 count hi Lo hi lo hi lo hi lo 11H 3H OCH 42H 48H OOH 42H C7H CDH Addr Fun Data5 Data5 Data 6 Data6 CRC16 CRC16 hi Lo hi lo hi lo 42H C8H 33H 33H CAH 7FH Table 5 9 Read F V1 and V2 Message 4 Control Relay Function Code 05 Query This message forces a single relay either on or off Any relay that exists within the Acuvim Il can be forced to be either status on or off The data value FFOOH will set the relay on and the value OOOOH will turn it off all other values are illesal and will not affect that relay lt The example below is request to the Acuvim Il with the address of
39. Vdc The meter s typical power consumption is very little so it can be supplied by an independent source or by the line to be measured A regulator or a UPS should be used when the power supply undulates too much The terminals for the auxiliary power supply are 11 12 and 13 L N and Ground A switch or circuit breaker shall be included in the building installation and it shall be in close proximity to the equipment and within easy reach of the operator and it shall be marked as the disconnecting device for the equipment Aawim I FUSE OL Power Supply N 12 Ground Fig 2 8 Power supply A fuse typical 1A 250Vac should be used in auxiliary power supply loop No 13 terminal must be connected to the safety earth system of switchgear An isolated transformer or EMC filter should be used in the auxiliary power supply loop if there is power quality problem in the power supply ur 1AFUSE NOTE L L ui Power Supply A filter should HON NO 1 be used if a OF L there is EMI problem a EMC Filter Fig 2 9 Power supply under noisy condition Choice of wire of power supply could be AWG22 16 or 0 6 1 5mm Voltage Input Input voltage of Acuvim II should be 400 LN 690 LL VAC rms three phases 400 LN VAC single phase In high voltage system a PT must be used The secondary
40. actor F16 32768 32767 R Time stamp yyyy mm dd hh F3 time R mm ss MAX of frequency F10 32768 32767 R 4192H Time stamp yyyy mm dd hh 4197H ds tme R 4198H MAX of power demand F13 32768 32767 R 4199H Time stamp yyyy mm dd hh F3 time R 419eH mm ss 419fH MAX of reactive power demand F14 32768 32767 R 41a0H Time stamp yyyy mm dd hh F3 time R 41a5H mm ss 41a6H MAX of apparent power demand F15 32768 32767 R 41a7H Time stamp yyyy mm dd hh F3 ime R 41acH mm ss 41adH MAX of voltage unbalance factor Fiz 32768 32767 R 41aeH Time stamp yyyy mm dd hh 41b3H mm ss 3 ene R 41b4H MAX of current unbalance factor F17 32768 32767 R 41b5H Time stamp yyyy mm dd hh F3 tine R 41baH mm ss 41bbH MAX of V1 V12 THD F18 32768 32767 R 41bcH Time stamp yyyy mm dd hh F3 time R 41c1H mm ss 41c2H MAX of V2 V31 THD F18 32768 32767 R 41c3H Time stamp yyyy mm dd hh F3 R 41c8H mm ss 41c9H MAX of V3 V23 THD F18 32768 32767 R 41 Time stamp yyyy mm dd hh F3 time R 41cfH mm ss 41d0H MAX of THD F18 32768 32767 R 41d1H Time stamp yyyy mm dd hh 41d6H mm ss di ume 41d7H MAX of I2 THD F18 32768 32767 R 41d8H Time stamp yyyy mm dd hh 41ddH mm ss dd Hine E 41deH of 13 THD F18 32768 32767 R 41dfH Time stamp yyyy mm dd
41. ameter selection mode The screen will roll to the next page each time when press P and will roll back to the first page when press P at the last page The screen will roll to the last page each time when press E and will roll back to the last page when press E at the first page Press V A confirm the parameter you want to modify enter the modify mode Key functions for modifying the parameter Press H move the flashing cursor to the next position Press P the flashing number will add one Press E the flashing number will minus one Press V A confirm the modification and back to parameter finding mode The following figure shows how it rolls Alarming setting 01 Alarming enable A02 Backlight flashing i A03 Alarming records enable 0 A04 AND logic enable 0 05 Alarming output O1 ve A06 Alarming output toDO2 0 gt 07 Al arming output toDO3 0 08 Alarming output toDO4 Yes alarming is available No means not It can be selected as cue signal for alarming Yes the backlight will flashes No means not There are 16 records in all and each one is corresponding to one bit of a 16 bit register For each record it works or not depends on the enable setting If some bits of the register are 1 it means their corresponding records take effect While 0 means they don t work on the panel it is set as decimal but in the regist
42. ar 5 AXM IO22 clear 6 AXM IO32 clear Range from 0 6 0 disable 1 AXMHIO 11 enable 2 AXM IO21 enable 3 AXM IO31 enable 4 AXMIO12 enable 5 AXM IO22 enable 6 AXM IO32 enable Any integer from 0 126 Pre primary energy Sec secondary energy Last page of the system parameter setting Set the password in this page and make sure to remember the new password or you may not use the meter properly 47 Aawim I Aawim I Note The figure shows the rolling sequence for using key P If using E key for rolling page the sequence will reverse d Expanded I O Module Parameter In the expanded 1 0 module parameter mode firstly choose the module to be modified and then make the modification no expanded I O module is connected it will display NO IO At this time Press H to go back to the parameter selection mode and other keys have no effect Key functions for I O module selection Press H back to parameter selection mode Press P move the cursor downwards When the cursor is at the bottom press P will move the cursor to the top If there is only one module connected press P will have no effect Press E move the cursor upwards When the cursor is at the top press E will move the cursor to the bottom If there is only one module connected press E will have no effect Press V A select the module and enter the 1 module parameter finding mode Key functions for finding the module param
43. as previous 104dH Alarming output to 004 0 65535 R W setting The same as previous Single settings First group parameter 104eH F1 0 44 R W code 104fH First group comparison Fi 1 more 2 R W mode equal 3 less 40504 First group setting Lio pig Related with Ww value parameters 1051H First group delay F1 0 3000 10ms R W 1052H First group output to F1 0 none 1 8 R W relay related relay 1053H Same as the first 109dH 2nd to 16th group dd R W Alarming parameter code table 0 frequency 1 Va 2 Vb 3 Ve 4 Average phase voltage 5 Uab 6 Ubc 7 8 Average line voltage Line current Line current of phase Line current of phase 9 10 11 of phase A B C 12 Average line 13 Neutral current 14 Power of phase A current 15 Power of 16 Power of phase C 17 Power of all phase B Reactive 18 power of 19 Pipes power of 20 idend power of phase A Reactive Apparent power of Apparent power of 21 22 23 power of all phase A phase B Apparent 24 power of 25 Apparent power of all 26 PF of A phase C 27 PFofB 28 PFof C 29 PF Voltage Sat 30 nbalance M Current unbalance 2 Load characteristic R factor unbl L C factor U unbl 33 THD_V1 V1 34 THD_V2 V2 or V31 35 THD_V3 V3 or V23 or V12 Average 36 THD_V 37 THD_I1 38 THD 12 39 THD_13 40 Average 41 sampling value THD I 42 Me LL 43
44. as the first group 432bH 4334H Fourteenth group Same as the first group 4335H 433eH Fifteenth group Same as the first group 433fH 4348H Sixteenth group Same as the first group Aawim I Counting number of I O Modules DI are arranged according to expanded I O module addresses user can check out the counting number of DI along with those modules The counting number of 1 0 modules will be stored in non volatile memory during power off They can be cleared up via communication and panel Data type is word Function code 03H for reading AXM IO11 4349H 434aH DI1 pulse counter number F1 0 4294967295 R 434bH 434cH DI2 pulse counter number F1 0 4294967295 R 434dH 434eH DI3 pulse counter number F1 0 4294967295 R 434fH 4350H 014 pulse counter number F1 0 4294967295 R 4351H 4352H 015 pulse counter number F1 0 4294967295 R 4353H 4354H 016 pulse counter number F1 0 4294967295 R 1021 4355H 4356H 017 pulse counter number F1 0 4294967295 R 4357H 4358H 018 pulse counter number F1 0 4294967295 R 4359H 435aH 019 pulse counter number F1 0 4294967295 R 435bH 435cH DI10 pulse counter number F1 0 4294967295 R AXM I1031 435dH 435eH DI11 pulse counter number F1 0 4294967295 R 435fH 4360H DI12 pulse counter number F1 0 4294967295 R 4361H 4362H DI13 pulse counter number F1 0 4294967295 R 4363H 4
45. at the last page Press E screen will roll back to the last page and will roll back to the last screen when pressed at the first page V A is used for switch the display between maximum and minimum For example if the maximum of the phase voltage is displayed press V A and the display will switch to minimum of the phase voltage If you press again it will switch back to the display of the maximum Each time you press V A it switches The following figure shows how it rolls lt gt Max value of phase Max value of current voltage harmonics lt ce Y Max value of the line Max value of voltage to line voltage harmonics A lt gt lt Max value of the Max value of current demand m cp Max value of Max value of power unbalance factor L lt gt t lt gt Max value of power factor amp frequency Note i The figure shows the rolling sequence for using key P If using E key for rolling page the sequence will reverse ii When meter is set to 2LL or 3LL the first screen will not be displayed 3 4 Demand Data Aawim I Press H and V A simultaneously will activate the display mode selection and the cursor will flash Press P or E to move the cursor right or left to Demand then press V A and you will enter the demand data mode In the demand data mode there is only one page displaying the demand of active power
46. ata start Data start Data Zof Data of CRC16 CRC16 Addr Fun reg hi reg lo reg hi Reg lo hi lo 11H 10H 40H 48H 00H 02H D6H 8EH Table5 13 Preset Multi Register Response Message 5 3 Data Address Table and Application Details of Acuvim II There are several rules to follow in using the meter 1 Data type bit refers to binary word refers to 16 bit unsigned integer using one data address and 2 bytes of memory it varies from 0 to 65535 int refers to 16 bit integer using one data address and 2 bytes of memory it varies from 32768 to32767 dword refers to 32 bit unsigned integer using two data addresses and 4 bytes of memory with high word at the front and low word at the end it varies from 0 to 4294967295 Rx high word 65536 low word float refers to 32 bit single value using two data addresses and 4 bytes of memory it varies from 1 175494E 38 to 3 402823 38 2 Relationship between communication value and numerical value The numerical value may not the communication value it is important to notice this The following table shows how they respond to each other Numerical value equals to System parameters Ms No unit F1 communication value Run time T Rx 100 Hour F2 Clock Numerical value equals to Unit of F3 communication value time Energy primary Ep Rx 10 kWh F4 Reactive
47. b Parameter Selection Mode In the parameter selection mode there are four parameters for choices system expanded 1 0 module Ethernet module and alarms Aawim I Press H no function Press P move the cursor downwards When the cursor is at the bottom press P will move the cursor to the top Press E move the cursor upwards When the cursor is at the top press E will move the cursor to the bottom Press V A choose the parameter and enter the parameter modify mode E Eg xm gt Cm Load d The figure shows the parameter selection page SYS stands for system parameter 1 0 stands for expanded 1 0 module parameter NET stands for Ethernet module parameter and ALM stands for alarm parameter As shown in the figure the cursor points to the SYS which means system parameter is selected c System Parameter Setting In the system parameter setting mode firstly find the parameter and then modify Key functions for finding the parameter Press H back to parameter selection mode The screen will roll to the next page each time when press P and will roll back to the first page when press P at the last page lt The screen will roll to the last page each time when press and will roll back to the last page when press E at the first page Press V A confirm the parameter you want to modify enter the modify mode Key functions
48. cation Explanation of frame Data start Data start Data Zof Data Zof CRC 16 Addr Fun reg hi reg lo regs hi regs lo Hi 06H 03H 00H 00H 00H 21H 84H Table 5 3 Explanation of frame In table5 3 the meaning of each abbreviated word is Addr address of slave device Fun function code Data start reg hi start register address high byte Data start reg lo start register address low byte Data reg hi number of register high byte Data reg lo number of register low byte CRC16 Hi CRC high byte CRC16 Lo CRC low byte Aawim I 1 Read Status of Relay Function Code 01 This function code is used to read status of relay in Acuvim ll 1 On O Off Relay1 s address is 0x0000 Relay2 s address is 0x0001 and so on The following query is to read relay status of Acuvim II with the address of 17 Query Relay start Relay start Relay of Relay of CRC 16 CRC 16 Addr Fun reg hi reg lo regs hi regs lo Hi Lo 11H 01H 00H 00H 00H 02H BFH 5BH Table 5 4 Read the status of Relay1 and Relay2 Query Message Response The Acuvim 11 response includes the Acuvim Il address function code quantity of data byte the data and error checking An example response to read the status of Relay1 and Relay2 is shown as Table5 5 The status of Relay1 and Relay2 are responding to the last 2 bits of the data Relay1 bitO Relay2 bit1 Add
49. ce will occur Temperature Operation 25 C to 70 C Storage 40 C to 85 Humidity 5 to 95 non condensing Acuvim Il meter should be installed in dry and dust free environment and avoid heat radiation and high electrical noise source 9 Bec 1 Installation Steps Acuvim Il can be installed using a standard ANSI C39 1 4 Round IEC 92mm DIN Square form 1 Firstly cut a square hole or round hole on the panel of the switch gear The cutting size is shown in fig 2 3 The Unit is mm p 22 I T Zw 05 2 E uc 101 69 I s e o k Cutting J LL 3 0 5 N 4 9200 L Panel Panel Fig 2 3 Panel Cutting 2 Secondly remove the clips from the meter and insert the meter into the square hole from the front side 2002 Panel 7 Fig 2 4 Put the meter into the square hole 3 Finally put clips back to the meter from the backside and push the clip tightly so that the meter is fixed on the panel Fig 2 5 Use the clips to fix the meter on the panel 2 3 Wiring of Acuvim II Terminal Strips There are four terminal strips on the back of Acuvim Il The 1 2 and 3 are used to represent each phase of three phase system They have the same meaning with A B and C or R S and T in three phase system Pew I
50. communication value I Rx CT1 CT2 1000 Delay time 1051H is set to 500 so the actual delay time is 500 10ms 5s Output to relay 1052H is set to 0 because there is no output to RO Settings of second group Parameter code 1053H is set to 1 which stands for U1 Comparison mode 1054H is set to 3 which stands for smaller Setting value 1055H is set to 998 according to the relationship between actual value and communication value U Rx X PT1 PT2 10 Delay time 1056H is set to 1000 so the actual delay time is 67 Aawim I 1000 10ms 10s Output to relay 1057H is set to 0 because there is no output to RO Global settings Alarming channel enable setting 1048H is set as 0x0003 which enables the first and the second channel Logical AND between alarming setting 1049H is set as 0x0001 which enable logic AND in Pair 1 Alarming output to DO1 setting 104aH is set to 0 because there is no output to DO1 Alarming output to 002 setting 104bH is also set to 0 Alarming output to setting 104cH is also set to 0 Alarming output to 004 setting 104dH is also set to 0 Alarming flash enable 1047H is set to 0 which does not enable backlight flashing when alarming is occurred Global alarming enable 1046H is set to 1 which enables the Over Range alarming 4 Records of Alarming Event There are 16 groups o
51. connected M3x2 two AXM 1O3 connected None no AXM IO3 connected di Profibus module indicator None Profibus module not connected Proti illume Profibus module connected Ethernet module indicator None Ethernet module not connected illume Ethernet module connected 16 T1 T2 T4 reserved 17 time label Time display in energy area There are four keys in the front panel label as H P E and V A from left to right parameters Use these four keys to read metering data and set the Note If the backlight is off before you press any keys it will become on and no other functions will be activated 30 3 2 Metering Data Press H and V A simultaneously will activate the display mode selection and the cursor will flash Press P or E to move the cursor right or left to Meter then press V A and you will enter the metering mode In the metering mode meter displays measurements such as voltage current power power factor phase angle imbalance etc a Voltage and Current Press V A to read voltage and current in the metering area The screen will roll to the next page as you press V A each time It will go back to the first screen if you press V A at the last screen The following figure shows how it rolls lem Y Three phase Voltage amp avg oe Three phase Current amp In Line Voltage amp avg Three phase Current amp avg Note When the
52. d 1037H Temperature F26 R 1038H 103fH Reserved Please refer to chapter 3 and chapter 4 for more details about parameter settings Date and Time table Function code 03H for reading 10H for presetting 1040H Year F3 2000 2099 R W 1041H Month F3 1 12 R W 1042H Day F3 1 31 R W 1043H Hour F3 0 23 R W 1044H minute F3 0 59 R W 1045H second F3 0 59 R W Over range alarming setting This setting consists of global settings and single settings The global settings contain settings of all global variables There are 16 groups of records with the same format Function code 03H for reading 10H for writing Please refer to chapter 4 for more details Global settings 1046H Global alarming enable O disable 1 enable 1047H Alarming flash enable 0 disable 1 enable 0 65535 BitO channel 1 1048H Alarming channel enable 1 enable 0 disable setting Bit1 channel 2 Bit15 channel 16 i Bee I 88 0 255 BitO first logic switch Logical And between 1 enable 0 disable 1049H alarming setting Bit1 second logic switch RUN Bit7 eighth logic switch 0 65535 BitO channel 1 output Alarming output to DO1 1 enable 0 disable gaahi setting Bit1 channel 2 output RAN Bit15 channel 16 output 104bH Alarming output to DO2 0 65535 R W setting The same as previous 104cH Alarming output to DO3 0 65535 R W setting The same
53. d to go on and finish the following global setting or the alarming won t work 2 Global settings The addresses of all the global variables are 1046H 104dH in system parameters Global alarming enable determines whether the alarming function of this meter works or not Only when it is set as 1 the alarming function is enabled 65 Aawim I When Alarming flash enable is set to be 1 the backlight will flash when alarm happens Alarming channel enable setting determines whether the corresponding group is enabled or not There are 16 groups in all and each one is corresponding to one bit of a 16 bit register For each group whether it works or not depends on the enable setting If some bits of the register are 1 it means their corresponding groups take effect Logical And between alarming setting The 16 alarming records in Acuvim Il are divided into 8 pairs Each pair has two groups The two groups can be logically by controlling the logic switch When two groups are the alarming happens only if both the conditions are met If the switch is off the two groups work independently The 8 pairs are arranged as following according to their serial number the 1st 2nd make as Pair 1 the 3rd 4th make as Pair 2 the 5th 6th make as Pair 3 7th 8th make as Pair 4 9rd 10th make as Pair 5 11th 12th make as Pair 6 13th 14th make as Pair 7 15th 16th make as Pair 8 This
54. easurements Harmonics and power quality analysis Over Range alarming 57 Aawim I 4 1 The function of Acuvim Il is very powerful It can measure almost all the parameters in the power system Some of its function may not be controlled by simply pressing the keys so we made this software to go with it To express clearly we ll introduce functions with the help of the software interface in this chapter The version of the software you get may be advanced or it may differ somewhere please refer to the manual that goes with it Basic Analog Measurements Acuvim Il can measure voltage current power frequency power factor and demand etc with high accuracy shown as below Start Readings Settings Help 01 ENSE 2 0 iE E XI Volts 220 03 V Volts AB 381 14 V 5 0077 Volts BN 220 08 V Volts BC 381 12V IB 5 0025 Volts CN 220 08 V Volts CA 381 24 V IC 5 0037 A Volts LN Average 220 07 V Volts LL Average 381 17 V Average 5 0046 A Watt 1 09940 kW VARA 0 07289 1 10184 Watt B 110100kw VARB 0 00000 kvar VAB 1 10102 Watt 1 10119 VARC 0 00000 VAC 1 10121 kVA Watt Total 3 30159kW Total 0 06829 kvar Total 3 30408 kVA Pwr Factor 0 398 Frequency 50 00 Hz Load R Pwr Factor B 1 000 IN 0 3448 Pwr Factor 1 000 Imbalance V 00 Pwr Factor Total 1 000 Imbalance 22 Dmd Watt Total 3 29978 kw DmdVAR
55. ends the CRC to the message The receiving device recalculates a CRC during receipt of the message and compares the calculated value to the actual value it received in the CRC field If the two values are not equal an error will result The CRC is started by 66 first preloading a 16 bit register to all 1 s Then a process begins of applying successive 8 bit bytes of the message to the current contents of the register Only the eight bits of data in each character are used for generating the CRC Start and stop bits and the parity bit do not apply to the CRC During generation of the each 8 bit character is exclusive ORed with the register contents Then the result is shifted in the direction of the least significant bit LSB with a zero filled into the amp most significant bit MSB position The LSB is extracted and examined If the LSB was a1 the register is then exclusive ORed with a preset fixed value If the LSB was 0 no exclusive OR takes place This process is repeated until eight shifts have been performed After the last eighth shift the next 8 bit byte is exclusive ORed with the register current value and the process repeats for eight more shifts as described above The final contents of the register after all the bytes of the message have been applied is the CRC value When the CRC is appended to the message the low order byte is appended first followed by the high order byte 5 2 Format of Communi
56. energy primary Eq Rx 10 kvarh F5 Apparent energy primary Es Rx 10 KVA F6 Energy secondary Ep Rx 1000 KWh 7 Reactive energy Eq Rx 1000 Kvarh F8 secondary een energy Es Rx 1000 KVA F9 secondary frequency F Rx 100 Hz F10 Voltage U Rx X PT1 PT2 10 V F11 Current I Rx X CT1 CT2 1000 A F12 Power demand P Rx X PT1 PT2 X CT1 CT2 w F13 Reactive power demand eu AEE Te er T var F14 Apparent power demand S Rx X PT1 PT2 X CT1 CT2 VA F15 Power factor PF Rx 1000 No unit F16 Unbalance factor Unbl Rx 1000 X100 No unit F17 THD THD Rx 10000 X 100 No unit F18 Harmonics HDn Rx 10000 X 100 No unit F19 Total odd HD HDo Rx 10000 X 100 No unit F20 Total even HD HDe Rx 10000 X 100 No unit F21 Crest factor CF Rx 1000 No unit F22 K factor KF Rx 10 No unit F23 83 I LOA A Aawim I THFF THFF Rx 10000 X 100 No unit F24 Phase angle Phase angle Rx 10 Degree F25 temperature Temperature Rx 10 C F26 Important Note Regions from System parameters settings to transforming parameter settings are the regions that can be set and modified Please follow the rules when you communicate with Acuvim 11 1 Using function code 10H one communication order can only modify contents in one region such as System parameters settings System status parameter Date and Time table Over range alarming Global settings Over range alarming Single settings 1 Modules set
57. er 1 Pluggable Terminal 3 Installation clips 4 User s operation manual 1 Maintenance guarantee card 1 Qn N Please read this manual carefully before operating or setting the Acuvim II meter to avoid unnecessary trouble You can read part of this manual depends on how you use the Acuvim Il meter Chapter 1 helps you to understand the fundamental function specification and application area of Acuvim Il Chapter 2 describes detailed installation and wiring of Acuvim Il Chapter 3 describes the data display and parameter setting method Chapter 4 outlines the functions of Acuvim Il and the way to use them Chapter 5 gives the address table of Acuvim ll Appendix lists the technical data and specifications and ordering information V I The Purpose of Acuvim II The Application Area of Acuvim II The Functions of Acuvim II Aawim I 1 1 The Purpose of Acuvim II Powerful Multifunction Power Meter Acuvim II Multifunction digital power meter is designed using modern MCU and DSP technology lt integrates three phase energy measuring and displaying energy accumulating power quality analysis malfunction alarming and network communication Large and vivid LCD meets your visual requirement greatly Graceful and high lighted back light makes it easy to check the measuring data Simple HMI interface makes it easy to master Multi row displaying lets you observe various data without touching any keys
58. er it is binary so it needs conversion There are eight group for and logic setting which can enable the on off control One group have two records when both of the conditional inequality are satisfied alarming can output The setting is denoted by Low 8 bit of the 16 bit register each corresponds for one and logic eight group in all While 1 means enabled 0 means not When DO1 works in alarming mode it is controlled by a 16 bit register which determines which record will output to DO1 On the panel it is set as decimal but in the register it is binary so it needs conversion 002 and are the same as DO1 DO1 DC2 are the DO of AXM IO21 and DO4 are the DO of AXM IO22 They arrange in order Note The figure shows the rolling sequence for using key P If using E for rolling page the sequence will reverse Aawim I Aawim I 3 8 Page recovery Function 56 Acuvim 11 has the page recovery function which means that the meter stores the current display page in the non volatile memory during power off and reloads the page when power recovers If power goes off when displaying at the parameter setting mode the meter will start with page of voltage display when power recovers If power goes off when displaying at the expanded 1 0 module data mode and this expanded 1 0 module is not connected when power recovers the meter will start with page of voltage display Basic Analog M
59. eter Press H back to 1 0 module selection mode The screen will roll to the next page each time when press P and will roll back to the first page when press P at the last page The screen will roll to the last page each time when press E and will roll back to the last page when press E at the first page Press V A confirm the parameter you want to modify enter the modify mode Key functions for modifying the parameter Press H move the flashing cursor to the next position Press P the flashing number will add one Press E the flashing number will minus one Press V A confirm the modification and back to parameter finding mode Been I The following table shows how it rolls Module M11 M12 DI of AXM IO1 can be used as the pulse counter each DI function is Module correspond to one bit of a 8 bit register The correspondence bit of CA 0 means that the DI works as the digital status input and the correspondence bit of 1 means that the DI works as the pulse M11 M12 pulse counter For example if the setting value is 000001 it means that counter enable DI1 is set as the pulse counter and other DI works as he digital CP status input M11 M12 pulse If the DI works as the pulse counter then when pulse number constant counted by DI reach the pulse constant the pulse counter will add by one which means that the real pulse number equals the number CP of pulse counter times the pulse constant M11 M1
60. f records of alarming event to be stored But they are not corresponding to setting records they are recorded in cycle The latest event will cover the oldest one It begins at the 1st record when the power is turned on When over range parameters return to normal the time stamp and value will be recorded as well So user can work out the duration of over range by checking the changing time m Here is the 1st group of record Other groups of records have the same format Address Parameter Rae 42a9H First group alarming status 0 65535 42aaH First group parameter code 0 44 42abH First group over range or reset value Related with parameters 42 42 2 i St group time occur time yyyy mm dd hh mm ss ms Table 4 2 alarming status of the 1st group of record Alarming status indicates information of current alarm status It is a 16 bit unsigned integer Parameter code is stored in the higher 8 bits Bit1 indicates whether logic AND is enabled or not 1 means enabled and 0 means not BitO indicates whether alarming is occurred or recovered 1 means occurred and 0 means recovered Undefined bits are 0 Parameter code indicates which parameter is recorded Value indicates the recorded value when alarm happens and recovers Time indicates the time stamp with the accuracy of ms Alarming event will set bitO of system status 102eH to be 1 At the same ti
61. for this current input wiring mode LINE A B C Terminal block e t t OU ll CL 4122 e 3 181 e 32 ees LOAD Fig 2 14 3CTs a LINE A B C Terminal block S a jm 22 27 Acuvim Il e122 S131 132 Jl LOAD D Fig 2 15 3CTs b 2CT The difference of the fig 2 16 and the fig 2 15 is that there is no current input in the 121 and 122 terminals The 12 value is calculated from formula 11 12 13 0 The current input mode of the Acuvim Il should be set 2CT for this current input wiring mode LINE A B C Aawim I Terminal block Acuvim 11 LOAD QD Fig 2 16 2CTs 1CT If it is a three phase balance system 1 CT connection method can be used All the other two current are calculated according to the balance supposing LINE A B C Terminal block Acuvim 11 LOAD Fig 2 17 1CT 20 Frequently used wiring method The voltage and current wiring method are put together in one drawing The Acuvim Il meter will display normally only that the setting of the meter is assorted with the wiring of the voltage and current input 1 3LN 3CT with 3 CTs LINE BC N 1AFUSE rome 2 3LN 3CT with 2 CTs Fig 2 18 3LN 3CT Terminal block s ES T Acuvim Il LINE AB CN AAFUS
62. function is controlled by the lower 8 bits of 16 bits register each bit is corresponding to a pair 1 means this function is enabled and 0 means disabled Alarming output to DO1 setting When Digital output mode is set to 1 DO1 can be used as alarming output A 16 bit register is used to finish this function its bitO bit15 are corresponding to the 1st 16th group respectively When the related I O module is connected and under alarms mode if corresponding bit is set to 1 and the alarming condition is met then it will output to DO1 and DO1 will be turned off until all alarms output to DO1 are reset If related bit is set to 0 it doesn t affect DO1 DO2 DOA are the same as 001 After finishing the previous steps correctly the alarming function is available 3 Setting Example We ll show you an example of how to use the logical in a pair We set an event as follow 11 greater than 180A delay 5s for the 1st group U1 less than 9980V delay 10s for the 2nd group No output is available The CT primary value of 11 is 200A and CT2 is 5A The primary voltage of U1 is 10000V PT2 is 100V Then let s look how all the related registers are to be set Settings of first group Parameter code 104eH is set to 9 which stands for 11 Comparison mode 104fH is set to 1 which stands for larger Setting value 1050H is set to 4500 according to the relationship between actual value and
63. g function you should finish all the settings equation or inequation or enable switches correctly or it will fail All of the settings can be accessed by writing to their corresponding 63 I AWAY registers via communication as shown in figure 4 5 Start Readings Settings Help Seb are Babe Bee 1 T Enable Alam Enable Backlight Flashing T Enabe Alarm Channel Setting Setpoint Delay Ta an xg m Lx p Frequency Hz c o LEN NE NE NI El Frequency wig W NIE E Frequency p a m n Ei Frequency Hz ox fo le wp Frequency Ha E ee E r Frequency Hz fo FEE EE Frequency Hz sz x p s mo Frequency Hz ar a m Frequency Hz o E NE NL P ume Frenne Ha m N n m4 Frequency Hz o s f s m x me Frequency Hz 1 z 28 3000 mesi Save Update Device Figure 4 5 Alarm Setting 1 Single alarming group setting Table 4 1 indicates the first group of settings there are 16 groups in all with the same format 104eH First group
64. he relays have the working pattern ki it of latch mode or pulse mode working pater LATCH latch mode PUL pulse mode If the relay work pattern is pulse mode it means that the relay will close for a specified period and then open automatically The pulse width range is 50 3000 ms ay se width M31 M32 AI type Range 0 3 0 0 20mA 1 4 20 2 0 5V 3 1 5V Note The figure shows the rolling sequence for using key P If using E key for rolling page the sequence will reverse Aawim I e Ethernet Module Parameter In the Ethernet module parameter mode firstly find the parameter and then modify If Ethernet module is not connected all the settings will have no effect Key functions for finding the Ethernet module parameter Press H back to parameter selection mode The screen will roll to the next page each time when press P and will roll back to the first page when press P at the last page The screen will roll to the last page each time when press E and will roll back to the last page when press E at the first page Press V A confirm the parameter you want to modify enter the modify mode Key functions for modifying the parameter Press H move the flashing cursor to the next position Press P the flashing number will add one Press E the flashing number will minus one Press V A confirm the modification and back to parameter finding mode The following figure shows how it rolls
65. he system wiring mode Please refer to the wiring diagram Three phase wiring diagram Acuvim Il can satisfy almost all kinds of three phase wiring diagram 15 Please read this part carefully before you begin to do the wiring so that you can choose a suitable wiring method for your power system Aawim I The voltage and current input wiring mode can be set separately in the meter parameter setting process The voltage wiring mode could be 3 phase 4 line Wye 3LN 3 phase 4 line 2PT Wye mode 2LN and 3 phase 3 line open delta 2LL The current input wiring mode could be 3CT 2CT and 1CT Any voltage mode could be group with one of the current mode Voltage Input Wiring 3 Phase 4 Line Wye mode 3LN The 3 Phase 4 Line Wye mode is popularly used in low voltage electric distribution power system The power line can be connected to the meter voltage input directly as in fig 2 10a In the high voltage input system 3PT Wye mode is often used as in fig 2 10b The voltage input mode of the Acuvim II should be set for both voltage input wiring mode LINE A B C N 1AFUSE Ovi 3 v2 3 V3 Acuvim II 63 Vu LOAD Fig 2 10a 3LN direct connection LINE A B C N 1AFUSE Dv 1 s 3 v2 4 Acuvim II va 3 e 5 eH Vu X LOAD C Nm Fig 2 10b 3LN w
66. hh 41e4H mm ss 41e5H 4293H are the address of previous parameters MIN having the same format F3 time R Aawim I Sequence component U1 U12 I1 are consisting of real part and complex part They have positive sequence negative sequence and zero sequence Data type is int Function code 03H for reading 4294H positive sequence real part of UA F11 32768 32767 R 4295H positive sequence complex part of UA F11 32768 32767 R 4296H negative sequence real part of UA F11 32768 32767 R 4297 negative sequence complex part of UA F11 32768 32767 R 4298H zero sequence real part of UA F11 32768 32767 R 4299H zero sequence complex part of UA F11 32768 32767 R 429aH positive sequence real part of IA F12 32768 32767 R 429bH positive sequence complex part of IA F12 32768 32767 R 429cH negative sequence real part of IA F12 32768 32767 R 429dH negative sequence complex part of IA F12 32768 32767 R 429eH zero sequence real part of IA F12 32768 32767 R 429fH zero sequence complex part of IA F12 32768 32767 R Phase angle voltage and current s phase angles corresponding to V1 V12 are stored here You can find out the phase sequence according to them Data type is word Function code 03H for reading 42a0H phase angle of V2 to V1 F25 0 3600 42a1H phase angle of V3 to V1 F25 0 3600 42a2H phase angle of 11 to V1 F25 0 3600 42a3H
67. ith 3PT 3 Phase 4 Line 2PT mode 2LN In some 3 Phase 4 Line Wye system 2PT Wye mode is often used as in fig2 11 where the 3 phases of power system is supposed to be balanced The voltage of V2 is calculated according to the V1 and V3 The voltage input mode of the Acuvim 11 should be set 2LN for 2PT voltage input wiring mode LINE A B C N Ey 1 e Ov Acuvim 11 f G Vn LOAD Fig 2 11 2LN with 2PTs Aawim I 3 Phase 3 Line direct connection mode 3LL In a 3 Phase 3 Line system power line A B and C are connected to V1 V2 and V3 directly Vn is floated The voltage input mode of the Acuvim II should be set 3LL LINE A B C N 1AFUSE v1 V2 Acuvim II LOAD Fig 2 12 3LN 3 Phase 3 Line direct connection 3 Phase 3 Line open Delta Mode 2LL Open delta wiring mode is often used in high voltage system V2 and Vn are connected together in this mode The voltage input mode of the Acuvim II should be set 2LL for voltage input wiring mode LINE A B C 1AFUSE X oM e v2 Acuvim 11 gt 3 va 169 vn LOAD x Fig 2 13 2LL with 2PTs Current Input Wiring i 3CT 2 All the current input of three phase system can be looked as 3CT one whether there are 2 CTs or 3 CTs in the input side The current input mode of the Acuvim Il should be set
68. l activate the display mode selection and the cursor will flash Press P or E to move the cursor right or left to Setting then press V A key and you will enter the parameter setting mode In the parameter setting mode parameters such as system parameters expanded 1 0 module parameters alarm parameters and Ethernet module parameters can be read and modified a Password Inquiry Entering the parameter setting mode firstly the device address will appear for several seconds and then go to the password inquiry page Password is the key to the parameter setting mode and only valid password will help you to go through and use the meter setting This function helps to prevent the mis operation and unauthorized people to modify the meter parameters There are 4 digits of password in the meter which can be set from 0000 to 9999 with the default value of 0000 User should input the right password and press V A key to go through to the parameter selection page otherwise it will stay at the password inquiry page The following figure shows the password inquiry page LJ Cz Load EB m uw 7 e co ca Key functions when inputting password Press H move the flashing cursor to the next position Press P the flashing number will add one Press E the flashing number will minus one Press V A confirm the password
69. me corresponding flags will be set to 1 to indicate new data It should be cleared after controller has read the data and then bitO of system status 102eH will be set to 0 Note alarming records will not lose during power off The pointer will point to the 1st group of record after it is powered on again Here is an example 70 4 m Ol de _ THD Volts Average Fig 4 6 Alarming records L L1 H 2 B 2 1 2 1 2 1 Start Readings Settings Help Ses mre A 0R 888 E I Security Communication Password 0 Address Baud Rate 19200 bps C Wiring 1 and CT Ratios Voltage 3N Pri 2200 B Curent xT Pr2 2200 5 Direction Direction 1 C Direction Positive C Negative Positive C Negative Positive C Negative Other DO Energy Pulse Const Tum On the Backlight T min lPuse 0 1kwh 1Pulse 1 D Tkvarh DemandTypg Sliding Window Demand Demand Thermal Demand Averaging Interval Window 2 min Energy Type Energy Reading VAR PF Convention VA Calculation Method Fundamental Primary IEC Method 1 Power Fund Harm Secondary C IEEE Method 2 Volts 1 SOE Enabled C 1011 021 1031 AXMJO12 AXMJ022 1032 Save Load Update Device Figure 4 7 basic setting
70. meter is set to 21 3LL there is no phase voltage and neutral current display So only the third and fourth screens will be displayed Aawim I 32 b Power Power Factor and Frequency Press P display power related data The screen will roll to the next page as you press P each time It will go back to the first screen if you press P at the last screen The following figure shows how it rolls m Y Three phase power Y Three phase reactive power 9 Y Three phase apparent power Y Three phase PF Y System power x Y System power factor amp frequency 9 Note When the meter is set to 21 3LL only the fifth and sixth screens will be displayed Phase Angles and Imbalance Press H display phase angles and imbalance data The screen will roll to the next page as you press H each time It will go back to the first screen if you press H at the last screen The following figure shows how it rolls YCHO Unbalance factor yC H2 Voltage phase angle CH Current phase angle CH Note Voltage stands for line to line voltage when the wiring setting is 21 and for line to neutral voltage when other wiring settings d Energy Press E key display energy and real time clock The screen will roll to the next page as
71. ng 1 3 The Function of Acuvim Multifunction High Accuracy Acuvim Il Multifunction Intelligent power meter is powerful in data collecting and processing It can not only measure up to several decades of power parameters but also do demand metering harmonic analysis statistics of max min over range alarming energy accumulating etc Accuracy of Voltage and Current is 0 2 True RMS Accuracy of Power and Energy is 0 5 four quadrants metering Small Size and Easy Installation Acuvim Il can be installed using a standard ANSI C39 1 4 Round or IEC 92mm DIN Square form With the 51mm depth after mounting the Acuvim II can be installed in a small cabin The fixing clips are used for easy installation and remove Aawim I Easy to Use With a large high density LCD screen the display of the Acuvim II is easy to read and use All the measuring data and setting parameters can be accessed by using panel keys or a communication port The setting parameters are protected in EEPROM which will maintain its content after the meter is powered off With the backlight of the LCD the display can be easily read in a dim environment The back light on time is selectable Multiple Wiring Modes The Acuvim II can easily be used in high voltage low voltage three phase three wires three phase four wires and single phase system using approximate wiring High safety high stability Acuvim Il was designed according
72. nge from 20 1000 ms width 0 Choose the output energy type for 001 Range from 0 4 0 no M22 DO1 output 1 import active energy 2 export active power 3 import ut type reactive energy 4 export reactive energy M21 21 M22 202 The same as DO1 if the DO is set as the alarm output this ut type parameter will have no effect M21 M22 AO type Range 0 3 0 0 20mA 1 4 20mA 2 0 5V 3 1 5V MZIMA A01 Range 0 29 See Chapter 5 transforming parameter 21 22 A02 Range 0 29 See Chapter 5 transforming parameter 50 Been Module M31 M32 pu DI of AXM IO3 can be used as the pulse counter each DI function is correspond to one bit of a 8 bit register The correspondence bit of 0 g means that the DI works as the digital status input and the M31 M32 pulse correspondence bit of 1 means that the DI works as the pulse counter enable counter For example if the setting value is 0001 it means that DI1 CPD is set as the pulse counter and other DI works as he digital status input If the DI works as the pulse counter then when pulse number counted by DI reach the pulse constant the pulse counter will add by one which means that the real pulse number equals the number of CP pulse counter times the pulse constant M31 M32 relay Relays of AXM IO3 can be used as alarm output or control output ALM alarm output CTRL control output When set as the control output t
73. onnected press E will have no effect Press V A select the module and enter the 1 module data selection mode Mog Mod QM td Me i M M3 un amp E Aawim I As shown in the figure three modules are connected AXM 1011 AXM 1021 AXM 1031 which are indicated by M11 M21 M31 respectively The cursor points to M21 which indicates that AXM IO21 is chosen now b I O Module Data Selection Press H back to module selection mode Press P move the cursor downwards When the cursor is at the bottom press P will move the cursor to the top Please note that there are 3 parameters for AXM IO1 3 parameters for AXM IO2 and 4 parameters for AXM 103 Press E move the cursor upwards When the cursor is at the top press E will move the cursor to the bottom Press V A select the parameter and enter the display of the data c I O module data display Press back to 1 0 module data selection mode The screen will roll to the next page each time when press P and will roll back to the first page when press P at the last page If only one page exist press P will have no effect The screen will roll to the last page each time when press E and will roll back to the last page when press E at the first page If only one page exist press E will have no effect Press V A no function The following figure shows how it rolls
74. ould be connected to A B to B or it will influence the network or even damage the communication interface The connection topology should avoid T type which means there is a new branch and it does not begin from the beginning point Keep communication cables away as much as possible from sources of electrical noise When many devices are connected to the same long communication line an antireflection resistor of 1200 3000 is preferred which will be connected to A and B at the end of the line Use RS232 RS485 or USB RS485 converter with optical isolated output and surge protection Chapter 3 Meter Operation and Parameter Setting Display Panel and Keys Metering Data Statistics Data Demand Data Harmonic Data Expanded I O Module Data Parameters Setting 27 Aawim I Detailed human machine interface of the meter will be described in this chapter including how to get the metering data and how to do the parameter setting 3 1 Display Panel and Keys There are one display panel and four keys in the front of Acuvim Il the display segments are illustrated in fig 3 1 Users should note that all the segments will not display in a single page when normally used 1 J Max Min Demand Harmonic Setting Digital To mmm 1 2 wi wd wis Mar p nj fot ML UND mw TT unen MAX ph 2 3 n Ja Jd s E 98 Load 3 1 Wd jw
75. pparent Fi S Rxx PT1 PT2 x CT1 CT2 power Sa 402eH 402fH Phase B Apparent Fi S Rxx PT1 PT2 x CT1 CT2 power Sb 4030H 4031H Phase C Apparent Fi S Rxx PT1 PT2 x CT1 CT2 power Sc 4032H 4033H YStem Apparent Fl S Rxx PT1 PT2 CT1 CT2 power Ssum 4034H 4035H m Apowerfactor pi Rx 4036H 4037H i power factor f4 pF Rx 4038H 4039H Phase power F1 factor PFc 403aH 403bH System power factor F1 PF Rx PFsum Voltage unbalance factor U_unbl Current unbalance 403cH 403dH F1 Unbalance Rx x 100 403eH 403fH F1 Unbalance Rx x 100 factor unbl 4040H 4041H 084 F1 76 0 67 0 82 0 characteristic L C R I 4042H 4043H Power demand F1 P RXx PT1 PT2 CT1 CT2 4044H 4045H Reactive Power Fi P Rxx PT1 PT2 x CT1 CT2 4046H 4047H APParent power F1 P Rxx PT1 PT2 x CT1 CT2 demand Real time energy measurement Data stored in this block can be preset or cleared Function code 03H for reading 10H for writing Data type dword Aawim I 96 It can be set as primary energy or secondary energy according to user Please refer to F7 F8 and F9 for more details about the relationship between numerical value in register and the real physical value 4048H 4049H Energy IMP F4 F7 0 999999999 R W 404aH 404bH Energy EXP F4 F7 0 999999999 R W 404cH 404dH Reactive energy IMP F5
76. reactive power and apparent power J285 g 0000 30895 un m As shown in the figure system active power demand is 3 285kW system reactive power demand is 0 kvar system apparent power demand is 3 285 kVA 3 5 Harmonic Data Press H and V A simultaneously will activate the display mode selection and the cursor will flash Press P or E to move the cursor right or left to Harmonic then press V A and you will enter the harmonic data mode In the harmonic data mode meter displays the harmonic ratio of voltage and current THD odd HD even HD THFF CF and KF a Power Quality Data Press H display power quality data It rolls to the next page when press H each time and roll back to the first page when press H at the last page Press P no function Press E no function Press V A switch to the display of harmonic ratio data Y THD of voltage amp CH avg The factor of CHD current Odd harmonic C H gt distortion of voltage Even harmonic CH distortion of current Even harmonic A distortion of voltage CHO CH Odd harmonic Y distortion of current A THFF CHD THD of current amp CHD Crest factor of 4 Voltage b Harmonic Ratio Data Press H switch to the display of power quality data The harmonic order will add by one when press P each time and will back to 2nd when press P at the
77. ress Function code Byte count Data CRC high CRC low 11H 01H 01H 02H D4H 89H Table 5 5 Relay status responds The content of the data is 7 6 5 4 3 2 1 0 0 0 0 0 0 0 1 0 MSB LSB Relay OFF LSB Relay2 ON Left to LSB 2 Read the Status of DI 1 Function Code 02 1 On 0 Off DI1 s address is 0 0000 0125 address is 0x0001 and so on The following query is to read the Status of 4 015 of Acuvim Il with the address of 17 Query DI start DI start Dl num CRC 16 CRC 16 Addi Eun addr hi addr lo lo Hi Lo 11H 02H 00H 00H 00H 04H 7BH 59H Table 5 6 Read 4 Dis Query Message Response The Acuvim 11 response includes the Acuvim Il address function code quantity of data characters the data characters and error checking An example response to read the status of 4 015 are shown as Table 5 7 The status of 4 015 are responding to the last 4 bits of the data DI1 bitO 012 bit1 DI3 bit2 014 bit3 Address Function code Byte count Data CRC high CRC low 11H 02H 01H 03H E5H 49H Table 5 7 Read Status of DI The content of the data is 7 6 5 4 3 2 1 0 0 0 0 0 0 1 MSB DI1 On DI2 On DI3 Off DI4 Off Aawim I 3 Read Data Function Code 03 Query This function allows the master to obtain the measurement results of Acuvim ll
78. s Aawim I 4 5 Extended I O Module Please refer to lt lt User s manual of Extended 1 0 Modules gt gt 4 6 Extended Communication Block Please refer to lt lt User s manual of Ethernet Module gt gt and lt lt Use s manual of Profibus Module gt gt 72 Introducing Modbus Protocol Format of the communication Data Address Table and Application Details of Acuvim ll 73 This chapter will mainly discuss how to handle the meter via the communication port using software To master this chapter you should be familiar with Modbus and have read other chapters of this manual and you have generously mastered the function and application of this product Aawim I This chapter includes Modbus protocol format of communication and data address table and Acuvim Il application details 5 1 Introducing Modbus Protocol The Modbus RTU protocol is used for communication in Acuvim Il The data format and error check methods are defined in Modbus protocol The half duplex query and respond mode is adopted in Modbus protocol There is only one master device in the communication net The others are slave devices waiting for the query of the master Transmission mode The mode of transmission defines the data structure within a frame and the rules used to transmit data The mode is defined in the following which is compatible with Modbus RTU Mode Coding System 8 bit binary
79. tact factory if 1 current needed 2 The range of power supply 100 415Vac 50 60Hz 100 300Vdc Please contact factory if low DC voltage power supply needed 111 Aawim I Bee I Appendix C Revision History 1 0 20070915 1 1 20070930 P47 change the flow chart P86 change value of address 101dH from Reserved to Basic parameter mode P93 change the description of Basic analog measurement P101 P102 change the description Counting number of 1 0 modules 1 2 20071016 P50 change the flow chart add the function AO transforming parameters setting via the front panel 112 Accuenergy Corp 400 Continental Blvd Suite 600 El Segundo CA90245 USA http www accuenergy com Your Power and Automation Partner Beijing Accuenergy Technology Co Ltd Manufacturer 1 F Bldg 3 No 8 Shangdi Chuangye Rd Haidian District Beijing 10085 P R China Tel 86 10 51290033 Fax 86 10 62972073
80. tings It can not be accomplished in one communication order to modify contents in both of two or more regions above 2 Using function code 03H there is no such rules described above System parameter setting System parameters determine how the meter works User should understand them clearly by referring to chapter 3 and chapter 4 Function code 03H for reading 10H for presetting Data type word Format code F1 1000H Pass Word 0 0 9999 R W 1001H Communication Address 1 1 247 R W 1002H BaudRate 19200 600 38400 R W 1003H Voltage Input Wiring Type 0 0 3LN 1 2LN 2 2LL 3 3LL R W 1004H e Input Wiring O 0 3CT 1 1CT2 2CT R W 1005H PT1 High 16 bit 0 R W 1006H PT1 Low 16 bit 220 0 309300000 R W 1007H PT2 220 0 50 0 400 0 R W 1008H CT1 5 1 50000 R W 1009H 2 5 1 5 R W 100aH kWh pulse constant 1 1 6000 100bH kvarh pulse constant 1 1 6000 100cH LCD Back light Time 1 0 120 100dH Demand Slid Window 15 14 30 Time 100eH Demand calculating 1 1 sliding window mode 2 thermal 100fH Clear demand memory 0 Only 1 works 1010H Max Min clear 0x55 Only works 1011H Run time clear 0 Only 1 works 1012H Current direction ph 1 Negative 1013H Current I2 direction o 1 Negative 1014H Current I3 direction oi 0 Positive 1 Negative 1015H VAR PF convention 0 0 IEC 1 IEEE 1016H
81. utput of AO is the actual value of output It will get a different unit V or mA according to different outputs Data type is float Function code for reading Please refer to User s manual of expanded 1 0 modules for more details 103 Bec I 438aH 438bH Value of A01 F1 R 438cH 438dH Value of A02 F1 R 438eH 438fH Value of A03 F1 R 4390H 4391H Value of A04 F1 R SOE Records There are 20 groups of records with the same format Function code 03H for reading What you need to know is that the data is got from the SOE enabled I O module if this O module is not connected the data is useless Please refer to lt lt User s manual of expanded 1 0 modules gt gt for more details First group time stamp 4399H 439fH yyyy mm dd hh mm ss F3 R ms 43a0H First group DI status F1 R 43a1H 4438H 2nd to 20th group R 0 none 1 AXM 1011 2 AXM 1021 4439H 1 0 module of SOE F1 3 AXM 1031 R 4 AXM 1012 5 AXM 1022 6 AXM 1032 DI Status Current DI status if related 1 0 module isn t connected the DI status will be set to 0 Function code 02H for reading AXM IO11 0000H DI1 1 ON 0 OFF 0001H 012 1 ON 0 OFF 0002H DI3 1 ON 0 OFF 0003H 014 1 ON 0 OFF 0004H 015 1 ON 0 OFF 0005H DI6 1 ON 0 OFF 1021 0006 DI7 1 ON 0 OFF 0007H DI8 1 ON 0 OFF 0008H
82. ve devices contains additional information which the slave must use to take the action defined by the function code This can include items like discrete and register addresses the quantity of 75 I items to be handled and the count of actual data bytes in the field For example if the master requests a slave to read a group of holding registers function code 03 the data field specifies the starting register and how many registers are to be read If the master writes to a group of registers in the slave function code 10 hexadecimal the data field specifies the starting register how many registers to write the count of data bytes to follow in the data field and the data to be written into the registers If no error occurs the data field of a response from a slave to a master contains the data requested If an error occurs the field contains an exception code that the master application can use to determine the next action to be taken The data field can be nonexistent of zero length in certain kinds of messages Error Check Field Messages include an error s checking field that is based on a Cyclical Redundancy Check CRC method The CRC field checks the contents of the entire message It is applied regardless of any parity check method used for the individual characters of the message The CRC field is two bytes containing a 16 bit binary value The CRC value is calculated by the transmitting device which app
83. wn in figure 4 4 3 Sequence component and unbalance analysis Acuvim II will do some sequential analysis for the input signal It makes out the positive sequence negative sequence and zero sequence of the fundamentals and does the unbalance analysis of voltage and current Sequence components are shown in figure 4 4 unbalance of voltage and current are shown in figure 4 1 Start Readings Settings Help en imre 2 fije 9 Pos Sequence Phasor V 220 1 0 21 Sequence Phasor 4 998 0 112 Sequence Phasor V 0 0 0 0 Neg Sequence Phasor A 0 003 0 118 Zero Sequence Phasor V A 0 1 0 3i Zero Sequence Phasor A 0 007 0 112j Ph Angle V AN V Ph Angle V BN AN Ph Angle V CN V AN Ph Angle V AB V AB Ph Angle V BC V AB 00 Ph ngelA VAN 3564 1200 Ph ngelB VAN 1201 2400 Ph ngelC VAN 2401 Ph Angle V Ph Angle B V AB Ph Angle C V AB Figure 4 4 Sequence component and Phase angle 4 4 Over Range Alarming In Acuvim Il when the metering data is over the pre setting limit and over pre setting time interval the over limit alarming will be picked up The over limit value and time stamp will be recorded and the maximum number of records is 16 The digital output DO and RO can be used if extended 1 0 modules are connected as trigger to light or sound alarming In order to use the over range alarmin
84. you press E each time It will go back to the first screen if you press E at the last screen Acuvim Il meter can be set to record primary power or secondary power The unit of power is kWh for active power kvarh for reactive power and kVAh for apparent power The running time begins to take record at the time when the meter is turned on with the accuracy of 0 01H and is stored in the non volatile memory It can be reset via communication and panel The following figure shows how it rolls Aawim I Al Consumption energy Meter running time Generation energy Date Format Total energy tum Net energy Total electrical degree The absorption reactive energy Net reactive energy 0 0 0 0 The generation reactive energy Total reactive energ 0 3 3 Statistics Data Press H and V A simultaneously will activate the display mode selection and the cursor will flash Press P or E to move the cursor right or left to Max Min then press V A and you will enter the statistics data mode In the statistics data mode meter displays the maximum values and minimum values for voltage current power power factor imbalance demand THD etc User should note that there are no time label displays and they can only be accessed through communication Press H no functions Press P screen will roll to the next page and will roll back to the first screen when pressed

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