KW4M Eco-Power Meter User`s Manual
Contents
1. ex When set to 10 0 current under 10 0 F S is not measured Unit for pulse output setting mode Power FL 5 Mode defines unit used for pulse output Select from 0 001 0 01 0 1 1 10 100KWh Alarm When ALARM is set alarm is output at the time when instantaneous electric power is over the setting value When one of the 0 001 0 01 0 1 1 10 100 kWh is set one pulse is output at the setting value Alarm value setting AL a Mode defines instantaneous electric power used for alarm output lt is set the range of 0 00 to 9999 99kW lt This mode is only when ALARM is selected on unit for pulse output setting mode Electricity charge setting mode PY H EUR LNY Mode defines electricity charge ratio used as a andara per 1kWh The electricity charge ration of 4 kinds of currency JPY EUR CNY can be set It can be set the range of 0 0 to 99 9 yen 1kWh Initial 10 0 It can be set the range of 0 000 to 9 999 dollars 1kWh Initial 0 093 lt can be set the range of 0 000 to 9 999 euros 1kWh Initial 0 085 It can be set the range of 0 00 to 99 99 yuan 1kWh Initial 10 00 Normal display J lt MODE gt MODE display J lt kW kWh gt CT type setting mode Factory setting Display Panasonic Ec POWER METER Press lt kW kWh gt to change CT type orn CT type is selected from 50 gt 100 250 gt 400 5 lt Eco Panasonic POWER METER Enter primary side current of CT using2. lt MODE gt lt A gt Mode for setting of each parameter for pulse measurement MODE3 lt MODE gt lt V gt Mode for setting of each parameter for serial communication RS 485 MODE4 lt MODE gt lt CHARGE gt Mode for setting of each parameter for optional function Normal Display i MODE lt MODE Continuous press MODES about 3sec MOE se Input al MO mode MODE 1 1 MODE 2 2 MODE 3 MODE 4 lt kW kWh gt ii lt A gt u lt V gt kCHARGES Max measurement speed Station number setting Auto off setting mode setting mode mode ee nt Ti L TT mM Lt ES CT type setting m rm T Y Li TJ Pre scale setting mode Transmission speed Ek 9 setting mode LL E T rail m l j i Transmission format VT taNo ue mode Ki RAW MOE setting mode V i LI IN L Dm T Response time setting mode L L L C ME 315 Cutoff current se de ge tting mode Unit for pulse output setting mode ri 1 1 Tr LT Alarm value setting mode D ct i 4 Note EE Press lt MODE gt to return normal display Electricity rate setting mode LEVE CURE Normal display x 1 MODE1 is only for POWER measurement x 2 MODE2 is only for PULSE measurement 3 Primary side current of CT setting mode is only for when 5A is selected on CT type setting mode 4 Alarm value setting mode is only for when ALARM is selected on Unit for pulse output setting mode 5
3. LOCK E ALILI indicator lights and lt MODE gt key and Select keys become locked pressing be me y am them will have no effect ll a O Press lt SET gt key continuously for about 3sec again to release Lock mode r 0 The LOCK indicator goes off and the lock mode is released unlocked KW4M 4 2 CT Direction Notification POWER Measurement Panasonte ECO This shows the connection condition of CT and notices wrong voltage or POWER METER wrong connection of CT wiring oa CT1 CT2 lights if the input voltage is corresponding to the direction of a the current CT1 lights if the voltage between 1 and 2 is corresponding to the direction of L1 phase current an n dl CT2 lights if the voltage between 2 and 3 is corresponding to the direction E f of L2 phase current KW4M It does not light if the load current is under the cutoff current CUTA or if there is some distortion by harmonic or waveform 4 3 Counter function PULSE measurement 4 3 1 Operation mode Maintain output hold count HOLD Output OFF ON Counting lt _ _ _ possible Addition n Preset value 1 Output control is maintained after count up completion and until reset However counting is possible despite of count up completion 2 It reverts 0 after counting up full scale but output control is maintained However output is OFF if count value or preset value is changed 4 3 2
4. N AWG 22 Applicable connector i Plug housing SMP 02V BC JST Mfg Co Ltd Receptacle housing SMR 02V B JST Mfg Co Ltd Socket contact SHF 001T 0 8BS JST Mfg Co Ltd Pin contact SYM 001T P0 6 JST Mfg Co Ltd Applicable connector Plug housing SMP 02V BC JST Mfg Co Ltd Socket contact SHF 001T 0 8BS JST Mfg Co Ltd Attached trunk cable L 1000 AWG 22 1000 50 Plug housing SMP 02V BC JST Mfg Co Ltd Socket contact SHF 001T 0 8BS JST Mfg Co Ltd 38 ur For 250A AKW4803 For 400A AKW4804 200 39 Revision History Content of revision June 2005 ARCT1F413E First edition PA 2007 ARCT1F413E 1 Second edition 6 3 Wiring Add the explanation in detail nee 2008 ARCT1F413E 2 Third edition MODBUS type series addition Model No MODBUS communication MODBUS specifications Please contact Matsushita Electric Works Ltd Automation Controls Business Unit Head Office 1048 Kadoma Kadoma shi Osaka 571 8686 Japan Telephone 81 6 6908 1050 Facsimile 81 6 6908 5781 http www mew co jp ac e All Rights Reserved O 2008 COPYRIGHT Matsushita Electric Works Ltd Specifications are subject to change without notice Printed in Japan
5. Selectable with setting mode Count value does not change even if the unit setting is changed during counting 8 3 Pulse output Transistor output Specifications Insulation method Optical coupler Output type Open collector Output capacity 100mA 30V DC Pulse width approx 10ms ON state voltage drop 1 5V or less OFF state leakage current 1001 A or less Power measurement 0 001 0 01 0 1 1 10 100kWh Alarm Selectable with setting mode Pulse measurement HOLD Over count We recommend the setting of minimum unit for pulse output for measurement shown as below Output pulse 4 pulse or less per 1sec How to calculate Unit for pulse output PL P gt Max measurement power kW 3600 s x 4 pulse s Pulse output unit Caution 1 Improper unit setting may cause miss counting 2 If the OFF time is too short there is a possibility of counting errors 35 8 4 Communication Specifications MEWTOCOL MODBUS RTU different model 99 max 1200m 19200 9600 4800 2400bps selectable with setting mode 8bit 7bit selectable with setting mode MEWTOGOL type Data length bit fixed MODBUS type Not available Odd number Even number selectable with setting mode Transmission Format Parity 1bit fixed Half duplex Synchronous system Synchronous communication method Ending resistance approx 1202 built in Factory settings Transmission speed Baud rate Station no 19200 bps Odd num
6. 0 I KW4M y KW4M How to reset the integrated electrical enero Press lt MODE gt key while pressing lt SET gt key makes integrated electrical energy clear Reset 3 2 Current Press lt A gt key to display the current value of the load Press lt A gt key to change L1 CT1 phase current to L2 CT2 phase current Displayed data is updated at every 1 second L1 CT1 phase current A L2 CT2 phase current A Sample of L1 CT1 phase 30 0A Sample of L2 CT2 phase 30 1A Panasonic POWER METER Panasonic POWER METER 7 mj i M c lt A gt y mj r H NATA 07 1 i L L ali 1 EB lt A gt MODE TIME Y MODE TIME Y KARA ser 0 dunce A Ser COUNT Joso O A O 0 0 moO 0 K When input current exceeds 150 F S at each range J will be displayed in the lower line Current measurement parts Eco POWER METER measures the current as below L1 CT1 A L2 CT2 A Single phase two wire 1 L1 phase current EEE EI Single phase three wire 1 R phase current 3 T phase current Three phase three wire 1 R phase current 3 T phase current 3 3 Voltage Press lt V gt key to display the voltage value of the load Press lt V gt key to change voltage between 1 and 2 V to 2 and 3 V Displayed data is updated at every 1 second Voltage between 1 and 2 V gt Voltage between 2 and 3 V Sample display of 238 8V Sample display of 238 6V i Eco Eco Panasonic POWER METER Panasonic POWE
7. Change the Preset Value It is possible to change the preset value even during counting However note the following points When the pre scale value is 1 000 PSCL 1 000 1 If the preset value is changed to the value less than the count value counting will continue until it reaches full scale returns to O and then reaches the new preset value 2 If the preset value is changed to 0 it will not count up at start with 0 It counts up when the counting value comes to 0 again after reach to full scale However output is OFF if count value or preset value is changed 3 When the count value is fixed output is changed according to the changing of preset value as below If the preset value is changed to the value less than the count value or same as count value output is ON Count value 2 Preset value Dif the preset value is changed to the value more than the count value output is OFF Count value lt Preset value When the pre scale is not 1 000 PSCL 1 000 Even if the preset value is changed after counting to full scale output is not changed Chapter 5 Settings 5 1 Operation procedure Each setting is classified as follows There are the detailed explanations from next pages MODE lt MODE gt Mode for selection of Power measurement Power meter or Pulse measurement Pulse counter MODE1 lt MODE gt lt kW kWh gt Mode for setting each parameter for power measurement MODE2
8. Pin type gt lt Screw terminal type gt Single phase 3 wire system Three phase 3 wire system gt K gt L K gt L RRA CTI CT gt AB yoo HP po o v L th TT TF Co E 3 P 9 7 a FE Jn vT GX STERR 08 11 pad m mE pS lt Pin type gt lt Screw terminal type gt lt gt To connect CT with secondary current 5A How to connect the unit to measure by combination with existing commercial CT 1 Select 5A at CT type setting mode CT T 2 Set the primary current of measured commercial CT secondary current 5A at primary side current of CT setting mode CT 1 lt ex gt If the measured CT is 400A 5A set to 400 3 Clamp the dedicated CT for 5A AKW4801 which is connected to the main unit first to secondary side of the commercial CT CT direction K L should be set for the commercial CT direction Connection example Power supply a a ee epee uN Ammeter etc Breaker l l l l Eco POWER METER Em Panasonle BOWER METER Secondary current l AA N 5A I L K lt S P Commercial CT l woos me wa Cea Doral YIL Dedicated CT AKW4801 we How to attach the Current Transformer CT One current transformer CT is required to measure a single phase two wire system Two CTs are required to measure a single phase three wire system or three phase three wire system Using 2 CTs should be the same When connecting CT connect the secondary side to the ter
9. especially an electrical conduction when installed Confirm neither the power supply wiring the I O wiring nor the power supply voltage are wrong Tighten the installation screw and the terminal screw surely Use an electric wire applicable to the rated current Chapter 1 Unit s Features and Structure 1 1 Features WKW4M Eco POWER METER is a wattmeter in DIN48 size Electrical energy voltage current etc is measured using AC voltage and AC current input via one of the following systems single phase two wire system single phase three wire system or three phase three wire system This also works as an hour meter that is measured power on or power off time and as a counter that is for pulse output equipment like flowmeter WEco POWER METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing 1 2 Unit s Name and Part Numbers 1 2 1 Main unit Measured Phase and Power Measured Current Terminal MEWTOCOL AKW5111 Single phase 5A Screw two wire 100 120 Dedicated CT terminal MODBUS AKWS112 Single phase 100 240V 200 240V AC y AL Presente three wire AC 100 120V AC 5A 50A 100A MEWTOCOL AKW5211 250A 11 pin MODBUS Three phase 200 240V AC 400A 250A 400A three wire 1 2 2 Dedicated Current Transformer CT Rated primary current Model No AKW4801 1 2 3 Options Contents Used for protecting a front display AQM4803 Prot
10. integrated electric power 0064H 0065H 2 word of address 1 When setting to O 0000 0000H Command ______ Slave Function Data item Number of Number of 3 5 idle dd d data item to d gt characters a ae wa 0064H write ae 01H 10H 0002H 04H character number Date 1 Date 2 Error check BT N gt CRC 16 characters OOOOH OOOOH F474H 2 2 2 character number Response message from slave in normal status eee a Number of Slave Function Data item Error check Sde ages code E eee 01H 10H D R T N gt CD VA TT TT character number A response message from the slave in exception error status When number of data has been mistaken Function code MSB is set to 1 for the response message in exception error status 90H The exception code 03H Value out of the device numbers is returned as contents of error Number of 3 5 idle eed v data item to We Sa du characters pre neka sha write ala 06H 01H 10H 0002H T Mistake Data 1 Data 2 Error check 3 5 idle a characters 0000H OOOOH 8DB4 lt Response message from slave to mistaken command Slave Function Exception Error check 3 5 idle address code code CRC 16 3 5 idle characters 01H 90H 0C01H characters 7 4 2 Data Register List MODBUS Faw an dayan Function Data item Name Unit Kind of date ange Eka an aa ka MEWTOCOL Range Decimal 0032H Sign less OH 270FH 03H 06H 10H DT00050 R
11. is running It might give you an electric shock Introduction Thank you for indeed for purchasing KW4M Eco POWER METER for this time In this manual we explain the usage of KW4M Eco POWER METER in detail Please use it correctly after understanding the content enough Table of Contents Cautions Derre USING e E OO i Chapter1 Unit s Features and Structure isi 5ay iya y1555 2 xn nn aa Kal EE 1 N 1 1 2 Unts Name and Part NtlDef ii y n l e es es Sl ee 1 2 TIMA N UN A a A ks lan ee an he a de Y Meke Da V a eat ca ec 1 1 2 2 Dedicated Current Transformer CT ika y n dek irani arl ane n Wa u d ken a v la peva Veke M s kenek kya 1 A a PA DA VE a e e A a SA Dy Da 1 3 Measurement ie MS lt As kusan tak a bank n k k ee R N E N ladies 2 Chapter2 Parts Name and Work TO gt 5c xx x005 acs did 3 2 Mick ALL SAIN Sr berrrrr J m __ a mm_ 3 2 2 Seler Keys FUNCIONS i35 s meneke eee d e hane k xeb an bA nen ean d add 3 Chapters Display ofeach Vale a 4 3 1 Instantaneous electric power Integrated Electrical energy ccooocccccccoconcncconnncconononannnonanononacnnonennos 4 a fl Neal e tc 5 A e ON a a A bam lew yan 5 A A ee A 6 A A NA ea 6 3 65 COUM Value Preset Valle oct E A AI AA tin 7 Chapter 4 Vanos FUNCION Suecia 8 dal LOCK MOGE aamen aan daa 8 4 2 CT Direction Notification POWER Measurement ooooccnncccccncnccccnonccnnn
12. protective varistor excluded 1 R 2 N S 3 T CT input terminal CT1 CT2 CT1 2 RS 485 terminal 3 Pulse output terminal Outer edge case all terminals Use ad a Pulse counter Between the isolated circuits Insulated circuit 100M Q or more Between MO 2 D 3 measured with 500V DC Power terminal 1 R 2 N Pulse input terminal CT1 OV 2RS 485 terminal 3 Pulse output terminal Outer edge case all terminals Vibration resistance 10 to 55Hz 1cycle min single amplitude 0 75mm 1h on 3 axes Shock resistance Min 294m s 5 times on 3 axes Display method U 6 digit 7 segment LCD with backlight Setting value 4 digit 16 segment Mode LCD oper section Green Lower section Amber Power failure EEP ROM more than 100 000 overwrite memory method IEC Standard IP66 only front panel with rubber gasket Note Mounted in a row waterproofing property will be lost approx 130g 11 pin type approx 140g Screw terminal type 8 2 Input Specifications 8 2 1 Power Input o Instantaneous electric power kW ower Integrated electrical energy kWh MWh Voltage Each phase Voltage Between 1 and 2 2 and 3 V Measuring item Ciment Each phase Current L1 CT1 phase current L2 CT2 phase current A Electricity charge Integrated electricity charge JPY EUR CNY Power on time Hour Meter Load ON time Load OFF time hour Single phase two wire system Ph
13. to 99 OFF g0 should be set to turn always light on 1 99 should be set to turn light off at setting time minute While light off press any key to light on 1 Normal display Chapter6 Installation and Wirin 6 1 Panel Cut out dimensions min 80 Unit mm min 80 4 5 82 Dimension A when u products are mounted in a row A 48 n 2 5 9 If the products are mounted in a row they lose their waterproofing properties 6 2 Panel mounting diagram Rubber gasket attached Mounting frame attached ATC 18002 ZZ AT8 DA4 y Mounting Screw _ attached to Mounting frame N Panel thickness l to 5 0mm From the panel front pass the main unit through the square holes Insert the mounting frame from the rear and push it in so that the gap between the mounting frame and the panel surface is minimized Tighten the screws 2 places equally tight and check that there is no rattling If the screws are overly tightened the frame may come off In that case loosen the screws and tighten them again pushing the frame in 6 3 Wiring 6 3 1 Terminal arrangement Functions Terminal No Pin type Screw terminal type 1 R R 2 N S 3 T T Pulse output CT1 k IN CT1 I CT2 I CT2 k 0 1 Be sure to wire correctly according to the terminal arrangement and wiring diagrams 2 A DIN rail socket ATC 180041 should be used for Pin type Eco POWER METER Input Appli
14. to display count value pulse input value Press lt COUNT gt key to change count value to preset value Count value COUNT gt Preset value COUNT Sample of count value 10000 Sample of preset value 10000 Eco Eco Panasonic POWER METER Panasonic POWER METER mney gg T1 sel IM J eer INTA T T T n II AMM MODE TIME V KWK MODE TIME Y KW WT D count ounce a lt COUNT gt sero uvr Ocul a cm 0 0 y 0 lt COUNT gt 7 KW4M lt COUNT gt KW4M Press lt COUNT gt continuously for about 3sec at preset value display PSET is blinking Enter a preset value using lt kW kWh gt lt A gt lt V gt lt CHARGE gt lt TIME gt and lt COUNTS gt Press lt SET gt to set the entered value PSET stops blinking Position of Decimal Point The position of decimal point for count value and preset value is decided according to the setting at Pre scale setting mode Ex When preset value set to 0 01 the decimal point is fixed the last 2 digit for count value and preset value How to Reset Count value Press lt MODE gt key while pressing lt SET gt key makes count value clear Reset Chapter 4 Various Functions 4 1 LOCK mode Panasonic PE METER It is the mode makes lt MODE gt key and Select keys unable gt ir ena Use when you want to fix one of the measurement displays For all al AINN displays 7 When you press lt SET gt key continuously for about 3sec the
15. ARGE gt lt CHARGE gt 3 5 Hour Meter Press lt TIME gt key to display the load ON time or load OFF time measured by CT1 Press lt TIME gt key to change the load ON time to load OFF time ON time h gt OFF time h Sample of ON time 100 0 h Sample of OFF time 100 0 h Eco Eco Panasonic POWER METER Panasonic POWER METER Ihi Tk Es an sa an L o i l Il Ji galii hi Blinking the decimal point ua e da RD sine mes of HUE MES 5 r Blinking the decimal ON time JALAL JALAL point during N Zan measurement of MODE TIME y EW RiT MODE ans a E af i ma 3 lt TIME gt lt TIME gt When load current is under the setting current for time measurement HM A it measures as OFF time When load current is exceeded to the setting current for time measurement HM A it measures as ON time Current for time measurement HM A is set to under cutoff current CUTA all current is measured as OFF time Current flow of CT1 elUul NO PeoT 0 HM A CUTA Ratio of load current gt lt Measured as OFF h Measured as ON h After reaching the full scale 99999 9h the value reverts to 0 0h but continues to measure ON ON CT Detection OFF OFF Full scale OFF time How to Reset ON OFF time Press lt MODE gt key while pressing lt SET gt key makes ON OFF time clear 3 6 Count Value Preset Value lt displays present count value pulse input value and preset value Press lt COUNT gt key
16. Do not mix different types of the cables 3 Use twist pair cables under a bad noise environment Twisted pair with shield Conductor Insulator Jacket Conductor lt gt Insulator 6 3 7 Low Voltage Directive When using in the application confirming to EN61010 1 IEC61010 1 make sure to satisfy the following conditions 1 Pulse output part secure only basic insulation In order to secure reinforced double insulation demanded by EN 61010 1 IEC61010 1 secure basic insulation or more with load side and reinforced double insulation with communication system side 2 Provide the voltage input part with an EN60947 1 or EN60947 3 compliant circuit breaker The breaker that connects to the voltage input part must arrange at the position easily reached and display shows it is the breaker of the equipment 3 Use a wire with basic insulation or more for a wire cramped or connected CT Environmental conditions Overvoltage category I Pollution degree 2 Indoor use An ambient temperature of 10 to 50 C An ambient non condensing humidity of 35 to 85 RH at 20 C Altitude of 2000m or less Mount the product in a place with A minimum of dust and an absence of corrosive gases No flammable explosive gasses Few mechanical vibrations or shocks No exposure to direct sunlight No large capacity electromagnetic switches or cables through which large current is flowing 22 EHD Chapter 7 Communications 7 1 Commun
17. H 23H 52H 54H Bcc H 0 30H Bcc L 1 31H Takes exclusive OR Converts to ASCII format 24 7 3 2 Data Register List Data register Unit DT00050 0 1 DT00051 0 001 DT00052 0 001 Sign less 16bit 0 000 to 9 999 RW DT00053 0 01 yuan DT00100 Integrated electric 01kWh 2 DT00101 power 0 0 Sign less 32bit O to 9999999 99 L2 CT2 phase DTo0060 CT type pst Sign less 16bit 5 types 5 50 100 250 400 1 0 001 10 0 01 100 0 1 ence 1000 1 10000 10 100000 100 L1 CT1 phase Unit for Pulse output Sign less 32bit 999 Instantaneous electrical energy R W Values of DT00064 and 00065 are applied R R R R Primary side current DT00064 Alarm value Instantaneous 0 01kW Sign less 32bit 0 to 9999 99 R DT00065 electric power i R R R R DTO00066 0 01 Sign less 16bit 1 00 to 99 99 l W W W DT00062 W W Threshold value DT00067 current for 0 1 Sign less 16bit 1 0 to 100 0 W time measurement DT00068 0 1 1 0 to 50 0 DT00150 DT00152 l DT00153 Load OFF time 0 1h Sign less 32bit O to 99999 9 ET DT00154 5700155 Pulse count value Sign less 32bit O to 999999 E R DT00160 1 to 100000 0 001 to 100 000 Dur 0 001 wer speed DT00163 Auto off time min y 99 0 means always light CNT 1 DT00164 Display unit O CNT 1 1 2 kl 3 m3 DT00170 Voltage DT00172 Voltage DT00176 Instantaneous DT00177 electric power oe Bee ees EN Note1 R Read W
18. Panasonic KW4M Eco Power Meter User s Manual AN y V This manual was created using Adobe Acrobat A Adobe the Adobe logo and Acrobat are trademarks Adobe of Adobe Systems Incorporated KW4M Eco Power Meter User s Manual ARCT1F413E 2 08 03 http www mew co jp ac e Matsushita Electric Works Ltd Cautions for Your Safety Read the manual carefully before installing running and maintenance for proper operation Before using master the knowledge of the equipment safety information and all of other notes This manual uses two safety flags to indicate different levels of danger A handling error could cause serious physical injury to an operator and in the worst case could even be fatal O If the use is predicted to lead to human injuries and or grave expanding damage take the special safety measures such as double interlock O Do not use the product in the environment that has inflammable gas It might lead to an explosion A handling error could cause serious physical injury to an operator or damage to the equipment O Tighten the wires firmly with terminal screws The bad connection might cause abnormal heat and smoke O Do not use the unit outside the range of the specifications regarding such as rating environment conditions etc It might cause abnormal heat or smoke O Do not discompose or modify the unit It might give you an electric shock or cause smoke O Do not touch the terminal while current
19. R METER BR E a l l aL 1 l c lt V gt gt LL 4 a a a A NIN be n CE L r a MODE TIME V kW kam MODE TIME V kWh pea OUNT CHARGE A O count CHARGE When input voltage exceeds 150 F S at each range l the lower line Voltage measurement parts Eco POWER METER measures the voltage as below system ale dal Voltage between 1 and 2 AA EMS R phase sacadas Voltage between 1 and 2 Voltage between 2 and 3 oP R phase T phase Tareccohace resta Voltage between 1 and2 Voltage between 2 and 3 p Between R and S line Between S and T line 3 4 Electricity Charge lt displays the standard electricity charge for the integrated electrical energy Press lt CHARGE gt key to display the electricity charge At n ra display press lt CHARGE gt key to change between JPY EUR and CNY Dollars gt Euros gt Yuan Sample of 123450 yen er rel Sample of 12345 6 dollars Sample of 12345 6 euros Sample of 123456 yuan Eco 0 B Eco Panasonic POWER METER Panasonic POWER METER Panasonic POWER METER Panasonic POWER METER T g y Ta r th a Mv uU T CUR Mi 2 Daf g 2 en Te e gt ie gt 1 k TE Tn xe 2 23L Zi t a MS TAL 2 12451 r E Tl ay O on 0 kW 0 Nin HO DE Tl A 0 oD TIME V Y mee unr aren y 11 CHA LAG U A A COUNT CHARGE A Ei 0 0 O 0 wam wam 2 KW4M lt CHARGE gt lt CHARGE gt lt CH
20. Response time setting mode is only for MODBUS type NOTE Power measurement Power meter and Pulse measurement Pulse counter can not be used at the same time 5 2 Setting Mode Explanation MW The value with under line is initial setting among each setting value Xx Set before measurement 5 2 1 MODE Select input method lt MODE gt T MI Input method setting mode LIN Mode defines input method power measurement or pulse measurement Select from POWER COUNT POWER is selected when using power measurement Power meter COUNT is selected when using pulse measurement Pulse counter Normal display 4 lt MODE gt Input method setting mode Display j Eco l Ecos Panasonic BOWER METER Panasonle POWER METER Press lt MODE gt continuously about 3s ThI iii Yhi to shift to this mode LIN Z iN A _ Tih Select POWER Power measurement O ru E gt LLN COUNT Pulse measurement using lt MODE gt J Normal display 5 2 2 MODE1 Mode for setting each parameter for power measurement This mode doesn t show when pulse measurement is selected lt MODE gt lt kW kWh gt _ CT type setting mode Lint Mode defines input current type of the dedicated CT Select from the type o prays ae at When the secondar of CT is 5A s Mode defines primary current when measuring by combination with existing CT its secondary current of 5A It is possible to use as the second step for combi
21. Write 2 Data register except specified is 0 3 DT00061 00062 Unit for pulse output and DT00160 00161 Pre scale value is numerical value in the range of data register 4 If each setting value is wrote by communication it memories to internal EEP ROM at the same time Therefore change setting frequently makes EEP ROM s life short Avoid to usage like this 5 Write a data within the range when you write it W W W DT00158 W W W W 25 7 3 3 Error Codes Basic procedure errors Explanation A Bcc error occurred in the command data A command message was sent that does not fit the transmission Format error nat No support error A command was sent that is not supported 43H is Delimiter with multiple frames was sent The response shall be multiple frames Application error Error name Explanation The data code is not D Word No was specified without decimal 0000F etc 61H Data error The starting word No is bigger than the ending word No Writing data has a code that is not hexadecimal Too many registrations have been entered more than 17 MD command was sent when some registration has been exist MG command was sent when registration has not been entered Registration error Self diagnostic error Error code Error name Explanation 45H patie command writing data is exceeded the range of data 7 3 4 Command Eco POWER METER has 5 kinds of commands Code Exp
22. ase and wire system Single phase three wire system Three phase three wire system Single phase two wire 100 120 200 240V AC common Rating Single phase three wire 100 120V AC Three phase three wire 200 240V AC Single phase two wire 85 132 170 264V AC common Single phase three wire 85 132V AC Three phase three wire 170 264V AC 1 00 99 99 Set with setting mode VT ratio XVoltage transformer VT is required when you measure a load with voltage over 200V system Secondary current rating of commercial VT is 110V lt ln case using dedicated CT gt 5A 50A 100A 250A 400A Select with setting mode lt ln case using 5A CT with secondary rating 5A gt 1 999 9A Set with setting mode MEWTOCOL type 1 4000A Set with setting mode MODBUS type Use a commercial CT with secondary side current of 5A when Input measuring 400A or more current XAccuracy coverage 10 100 of rated current of CT 1 999 Set with setting mode MEWTOCOL type CT ratio 1 4000 Set with setting mode MODBUS type Xin case measuring CT of secondary rated current 5A Max measured current 999 94 MEWTOCOL type 6000 0A MODBUS type Cut off current 1 0 50 0 F S functions As meter threshold 1 0 100 0 F S Allowable measured instantaneous electric power Do een Allowable measurement ape voltage voltage Primary side rating Special Allowable measured Display with 6 digit 0 OOkKWh 9999 99MWh integrated electr
23. ate JPY CS 09999 O Sign less wi on Sign less Li O3H 06H 10H DT00052 Rate EUR 0 001 0 9999 0035H Sign less OH 270FH 03H 06H 10H DT00053 Rate yuan CNY aorcny 0 9999 0064H DT00100 Integrated Sign less PER A 0065H active power DT00101 pied Sign less ee a Sign less TOF 03H 06H 10H aie CT type Signless 32H 50 64H 100 A fae 190H 400 1H 1 lt 0 001 gt AH 10 lt 0 01 gt as 64H 100 lt 0 1 gt 3E8H 1000 lt 1 gt Unit for Siunl ss 2710H 10000 lt 10 gt OS EVDO IOR Pulse output 32bit 003EH ad UA lt instantaneous electric power DT00062 Values of 0040H 0041H gt Primary side BS 03H 06H 10H aaa current value da a when CT 5A pa W Alarm value DT00064 Sign less 03H 06H 10H 0041H pe yella 0 01kW 30bit Pd Sign less aiii oe Current threshold for Sign less ae a Sign less T Si 0005 DT00150 Sign less OH F423FH 03H 06H 10H Ea Load ON time 30bit 0 999999 fanaa 0098H DT00152 Sign less OH F423FH 03H 06H 10H UN Load OFF time l 30bit 0999999 ren OH 3B9AC9FFH 0 999999999 OH F423FH 186A0H 100000 lt 100 gt 1 999999 DT00065 active power a 03H 06H 1 i 0100154 aad Pulse count value 30bit 0999999 DT00155 OO9EH DT00158 Sign less OH F423FH 03H 06H 10H E Preset value 32bit 0 999999 een 59 at 1H 186A0H 03H 06H 10H vee ee Pre scale value 0 001 a 1 100000 DT00161 Decimal point is fixed nah Sign l
24. ber 1 bit fixed 1 For RS 485 converter on the computer side we recommend SI 35 from LINE EYE Co Ltd X2 When using SI 35 SI 35USB or PLC from Matsushita Electric Works Ltd which can be connected up to 99 units up to 99 Eco POWER METER can be connected In case using this system with the other devices up to 31 Eco POWER METER can be connected X3 Change the sliding switch of main unit as a terminal station Factory setting General side 8 5 Dedicated Current Transformer Specifications E10 FS mm AC1000V 1min AC2000V 1 min Breakdown voltage initial Between through hole Between through hole and output lead wire and output lead wire Insulation resistance initial Min 100M6 at DC500V Between through hole and output lead wire Eu elsaal 10 55Hz 1 cycle minute single amplitude of 0 375mm Vibration 1 hrs on X Y and Z axes resistance 10 55Hz 1 cycle minute single amplitude of 0 15mm 10 min on X Y and Z axes Shock Min 98m s 4 times on X Y and Z axes resistance Min 294m s 5 times on X Y and Z axes Output protection level 7 5V with clamp element 3 0V with clamp element Permissible clamping frequenc Approx 100 times Ambient temperature 10 to 50 C without frost and non condensing Storage temperature 20 to 60 C without frost and non condensing Ambient humidity 35 80 RH at 20 C non condensing Trunk cable included Trunk cable included without trunk cable w
25. e of 13 86kW Sample of 123 00kWh Eco Eco Panasonic POWER METER Panasonic POWER METER VIl Er hy GE A Wl zi A lw f IDT lt kW kWh gt A lt ____ _ gt o IL MODE MODE TIME V KAA PA J lt n ry m APE Da arl Neel oa N SET ei SEI LUN ht sol leat ray hu tcp yp U Q KWAM Integrated electrical energy is measured and displayed from 0 00kWh to 9999 99MWh The decimal point and the unit are changed automatically kWh kWh kWh kWh MWh MWh gt 0 00 gt 9999 99 10000 0 99999 9 gt 100 00 9999 99 After reaching the full scale 99999 9kWh the value reverts to 0 00kWh but continues to measure How to display with 9 digit Integrated electrical energy can be displayed with 9 digit Continuous press lt kW kWh gt for about 2sec or more at the instantaneous electric power or integrated electrical energy display kWh shows for about 0 5sec and integrated electrical energy with 9 digit is displayed Integrated electrical energy Instantaneous electric power 9 digit kWh kW Sample of 1234567 89kWh Sample of 13 86kW Panasonic POWER METER jipami POWER METER Panasonic POWER METER Y tl Shows for r j y no cs AMT about 0 5sec az IL J lt kW kWh gt NWS gt NL Pete T gt Da LI thet 23L1 MO TIME Y mai TIME yV kW kWh MODE TIME V kW kWh SET ta Jenang U SD cour Domal a D count c ance A gn 0 0 mQ 0 0 lt kW kWh gt mQ 0
26. eccsasececsesecceeasececsaececseuseeessasececsagsesenesecessaeeesssausesensaseeesss 21 6 3 6 RS 485 commUuniCat On ELL kk kk kek kK KK kk KK KAKA KK KK KAK KK A KK KK KK KK KK KK A KK KA 21 6 3 7 Low Voltage Directive iu kk kk k kk k k kek k kK K k KK kK KK KK KK KK K KK KK KA KAK KK KK A kk Aa 22 ne B40 0N lola DD ve e T T 23 1 Commuhnhication Procedure cacaos ice sala kaya VEK n r lu ay ken 23 ZF2 mmu fllc atliOT TIT rr llo o a w pan EVAN d en rw evr kev 23 7 3 MEWTOGOLECOMMUNC AO cios 24 7 3 1 Overview of MEWTOCOL COM RS 485 cooooccccoconcccccnnnnnncnncocononononannncnnnnnnnnnononnonnnnnnnannnenennnanons 24 13 2 Wala Red Sart 25 so A O O eee eee 26 o r r rrr a a pRSKPERpDspZZ AR 26 7 OMODBUS RTU C mMMUMCAUO M iienaa 11ay akila o n nb kak 28 79 1 Overview Of MODBUS RTU yyy n nat ka kay da kikan a hal Dana Wa anada bala Di n H n n be n w n na ka i hu ay 28 142 Dale REGISIS Sia 31 Canter o pecificalOns ss a ios pico 33 A et IPP PRE A A O E rn 33 8 2 INPUESpPeciIca ION cundo ds dono te Ve la evya t 34 ak DA NP a 34 822 2 PUISe MputspecilICca ON ole Da v ene kai wen bela vuna Kene age el ven n E aire k v de Ke la alv era b k 35 8 3 Pulse output Transistor output SpecificatiONS coconcccccoconncoconcnnoconnnnncnononnonancnnononnnonnnnnnconanenennnnanos 35 324 COMMUNICATION SDe CclllCallOnS ai oidos 36 8 5 Dedicated Cur
27. ective cover l common to Timer Counter 1 3 Measurement items Instantaneous electric power 0 00 to 9999 99 0 00 to 9999 99kWh to 10 00MWh to Integrated electrical energy JENE 9999 99MWh 9 digit display 0 00 to 9999999 99 kWh 0 0 999 9 MEWTOCOL type L1 T1 h RAI AA IIA E a es PEND N N Eu 0 0 6000 0 MODBUS RTU type 0 0 999 9 MEWTOCOL type L2 T2 h r e RR Ea i k ne ad Li 0 0 6000 0 MODBUS RTU type Veda Voltage between 1 2 0 0 to 9999 9 Voltage between 2 33 V 0 0to9999 9 Wa Yen JPY O to 999999 Gros Dollars 0 to 9998 99 0 to 9999 99 0 to 9999 99 h Hour _ 0 0 to 9999 9 h Hour 0 0 to 99999 9 0 to 999999 X Eco POWER METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing Chapter 2 Parts Name and Working 2 1 Parts Names 1 Mode name display 16 segment 2 2 Lock indicator Light is on when locked pS Panasonic POWER METER KO woor ex 711071 IN I 3 Mode indicator Light is on when the mode is being set S fanaa en 7 NAN AN O o ae Li It J 4 Output indicator Light is on when pulse is output 5 Pond hal Lat al fa MODE TIME Y RW RAT CT direction notification Light is on when CT is connected FD ruse correctly and current flows D_ ED ora i Y KW4M 6 Display for value selected 7 segment O Instantaneous electric power Integrated electrica
28. ed voltage adn O 0 Pin Terminal Single phase 100 120 200 240VAC two wire 100 120 200 240V Single phase 100 120VAC 100 120V 3W three wire Three phase 200 240VAC 200 240V 3 three wire 6 3 2 Power measurement lt P Main unit wiring diagrams Please connect a breaker to the voltage input part for safety reasons and to protect the device Grounding CT s secondary side I line is recommended for the unit protection when CT breaks down 1 When measuring load with 100 200V system Single phase 2 wire system One CT is required to measure single phase 2 wire system Q CTI CT f v J0 Nu Nr 2 TV lt Pin type gt lt Screw terminal type gt ji 17 Single phase 3 wire system Three phase 3 wire system Two CTs are required to measure Single phase 3 wire Three phase 3 wire system CT CT K T ck k Ppt Power Supply Load slide lt Pintype gt lt Screw terminal type gt 2 When measuring load with 200V or more system VT Voltage transformer is needed when you measure a load with voltage over 200V system Use commercial VT those secondary rating is 110V Grounding CT s secondary side I line and VT s neutral line is recommended for the unit protection when CT or VT breaks down Single phase 2 wire system k L KL a CT CT PSs IO MA Us re li a gt F EL 5 o i oo Tai vr 6 Jr Jj a Ls Jito pa 13 4115 C lt
29. ess 1EH 30 OSHO pro01e coming speed He Sant 7DOH 2000 TE Sign less OH 63H co Sign less OH 0 CNT 1H 1 1 08H08H10H1 proo1ea Day int Seo 2H2 nome DT00170 Voltage L1V 0 1V Sign less OH 1869FH bona Between 1 and 2 32bit 099999 n E DT00172 Voltage L2V 0 1V Sign less OH 1869FH OOADH Between 2 and 3 32bit 099999 ai OOBOH DT00176 Instantaneous 0 01kW Sign less OH F423FH BR H power 32bit 0 999999 al 77 note 1 03H T ee Write note 2 Data register except specified is 0 note 3 If each setting value is wrote by communication it memories to internal EEP ROM at the same time Therefore change setting frequently makes EEP ROM s life short Avoid to usage like this note 4 Write a data within the range when you write it 2 EE HHH Chapter 8 Specifications 8 1 Main unit Rated operating voltage 100 120 200 240V AC Rated A 50 60Hz common ee meen operating 85 132 170 264V AC 85 110 of rated operating voltage voltage range Allowable momentary 10ms power off time Ambient temperature Ambient temperature 10 50 C 25 C to 70 C at storage Ambient humidity 30 85 RH at 20 C non condensing Breakdown voltage initial Insulation resistance initial Use as a Power meter Between the isolated circuits Insulated circuit 2000V for 1min Between M 246 0 9 note Cut off current 10mA Power terminal However
30. hould be less than 1kQ When the impedance is 0 drain current is approx 5mA The open circuit impedance should be more than 100k Input wiring Please wire as short as possible by using a shielded wire or a metallic electric wire tube individually Caution The AC power supply input part is not insulated to pulse input parts So the input equipment must have the power supply transformer in which the secondary side is not grounded with the primary and secondary sides insulated in order to prevent interference of the power supply circuit when connecting the external input circuit Be sure not to use an auto transformer Fig A Good example AC power supply O O Insulated Input equipment transformer sensor etc e ty H4 Eco POWER METER Fig B No Good example AC Power supply AC Power supply Input equipment Insulated Input equipment Auto transformer sensor etc transformer sensor etc Do not ground the secondary side Do not use an auto transformer 20 6 3 4 For Output connection Since the transistor output is insulated from the internal circuit by a photo coupler it can be used both as a NPN output and PNP equal value output NPN output PNP output Power supply for Load Power supply for Load 6 3 5 For Wiring terminal When using a crimp terminal it should be with insulation sleeve applicable to M3 5 screw as shown below Tightening to
31. ical energy Display with 9 digit 0 00kWh 9999999 99kWh Allowable measured time Power ON OFF time IN Yen JPY 0 999999 Dollars 0 9999 99 Euros EUR 0 9999 99 Yuan CNY 0 9999 99 Allowable measured electricity charge 34 u HHH Instantaneous electric power Integrated electrical energy 2 5 F S 1digit Basic at 20 C rated input rated frequency power factor 1 accuracy _ _ Accuracy coverage 10 100 of rated current of CT ferran Hour Meter without error eee Po EE EEE DE in CT and VT 0 01 1digit at 20 C In case power on start or current energizing 0 01 1s 1 digit Temperature 1 5 F S 10 C 1digit characteristics Range of 10 to 50 C based on 20 C for rated input power factor 1 Frequency 1 5 F S 1 digit characteristics Frequency change 5 based on rated frequency for rated input power factor 1 8 2 2 Pulse input specifications Addition Fixed Max counting speed 2kHz 30Hz Select with setting mode Min input signal width Pulse input 0 25ms When selected 2kHz 16 7ms When selected 30Hz ON OFF ratio 1 1 Contact No contact open collector osdd Impedance when shorted 1kQ dd Residual voltage when shorted Max 2V Impedance when open 100k Q Number of Digit 6 digit 0 to 999999 Selectable with setting mode Decimal point Set to 3rd decimal places Auto setting DYA 0 001 100 000 Selectable with setting mode Unit TCNTI 11 Fk11 1m31
32. ication Procedures Communication starts with command transmission from the host computer hereafter Master and ends with the response of Eco POWER METER hereafter Slave Master Slave e Response with data When master sends reading command slave responds with the corresponding set value or current status Command e Acknowledgement When master sends setting command slave responds by sending the acknowledgement Command Acknowledgement Command e Negative acknowledgement When master sends a non existent command or value out of the setting range the slave returns negative acknowledgement Negative acknowledgement e No response Slave will not respond to master in the following cases e Global address FF MEWTOCOL is set e Broadcast address OOH Modbus protocol is set e Communication error framing error parity error e CRC 16 discrepancy Modbus RTU mode Command No response lt 7 2 Communication timing 4 The minimum access time from the master is 1 sec Minimum time for update the data Eco POWER METER may not response due to noise and so on be sure to check that it receives the response from Eco POWER METER n order to improve the communication quality we recommend to send the transmission again Communication timing of RS 485 Eco POWER METER Slave side When Eco POWER METER Slave starts transmission to RS 485 communication line it is arranged so as to prov
33. ide an idle status transmission period of the below before sending the response to ensure the synchronization on the receiving side MEWTOCOL type about 3ms transmission speed 19200bps 9600 bps about 10ms transmission speed 4800bps 2400bps MODBUS type about 5 to 99ms setting available And after sending the response transmitter is cut within transmission period of about 20ms lt gt Master side Cautions of setting a program At communication keep the following conditions 1 Set the program so that the master can disconnect the transmitter from the communication line within the transmission period of about 3ms after sending the command in preparation for reception of the response from Eco POWER METER Slave 2 To avoid collision of transmissions between the master and Eco POWER METER Slave send a next command after checking that the master received the response 7 3 MEWTOCOL communication 7 3 1 Overview of MEWTOCOL COM RS 485 4 Command and response functions The computer sends commands instructions to Eco POWER METER and receives responses in return This enables the computer and Eco POWER METER to converse with each other so that various kinds of information can be obtained and provided Commands ee Responses Command and response formats Command message Des Check Termi To next command Host computer Header nalion Text asda are Check Termi Normal response message Control codes ASCII code Ex
34. ithout trunk cable Note Dedicated current transformers CT AKW4801 4802 4803 4804 are dedicated for low voltage under 440V They can not be used for high voltage circuit In case measuring high voltage circuit make a 2 step construction by combination of a commercial CT of secondary side current 5A for high voltage and the dedicated CT for 5A AKW4801 36 8 6 Self diagnostic function If an error occurs the following indication will be given Output status OFF Turn the power off and then on again EEP ROM life ended Replace the unit Includes the possibility that the EEP ROM s life has expired Chapter 9 Dimensions 9 1 Main unit Unit mm Clearance 1 0 Screw terminal type AKW5111 o ie Eco Panasonic POWER METER MODE LOCK IY Nil INA IVA da AN NI NAN D D IU E 044 5 MODE TIME i V kW kWh Mo te COUNT J CHARGE A KW4M 048 0 Pin type AKW5211 Eco Panasonic POWER METER MODE LOCK WA NA NWA NA do aa MI AL NON a a I gt TARA MODE TIME V kW kWh Ma 2 COUNT CHARGE A KW4M 044 5 9 2 Dedicated CT Receptacle housing SMR 02V B JST Mfg Co Ltd Pin contact SYM 001T PO 6 JST Mfg Co Ltd Unit mm Clearance 1 0 For 5A 50A AKW4801 For 100A AKW4802 Kom _ 180 _ Pa White Black White a Se AR AWG 22
35. l energy Current Voltage Electricity charge Hour meter and Counter MODE key Use to select mode SET key Use to set each value entered 9 Select keys a Change which value is displayed b Make settings in a particular mode 2 2 Select Keys Functions VA POWER measurement PULSE measurement Instantaneous electric power Integrated electrical energy Continuous press Display by 9 digit Integrated electric power L1 CT1 phase current L2 CT2 phase current lt V gt Voltage between 1 and 2 Between 2 and 3 Electricity charge Sees JPY gt gt EUR gt CNY lt TIME gt ON time OFF time Count value Preset value lt COUNT gt Continuous press at preset value display Shift to preset value setting mode Reset Integrated electrical energy lt MODE gt lt SET gt ON time OFF time Reset Count value lt MODE gt Shift to each setting mode SET gt Set each value entered Continuous press All keys locked While in LOCK mode releases LOCK mode lt kW kWh gt Chapter3 Display of each Value 3 1 Instantaneous electric power Integrated Electrical energy Press lt kW kWh gt key to display the instantaneous electric power and integrated electrical energy Press lt kW kWh gt key to change the instantaneous electric power to integrated electrical energy Displayed data is updated at every 1 second Instantaneous electric power kW Integrated electrical energy kWh Sampl
36. lanation Reads the contents of data area Write data to data area Writes data to a data area Resister or Reset data monitored MD Resisters the data to be monitored Monitoring start Monitors a registered data Read status RT Reads the specifications of Eco POWER METER and error code if an error occurs RD Read data area Reads the contents of data area lt gt Command Starting word No Ending word No 5 characters 5 characters First register contents Last register contents 4 characters 4 characters lower word lower word higher word higher word Common to each command 9 WD Write data area Writes date to a data area Command Starting word No Ending word No First writing data 5 characters 5 characters 4 characters lower word higher word Last writing data 4 characters lower word higher word 26 9 MD Register or Reset data monitored Registers the data to be monitored Up to 16 points can be registered for one unit lt gt Command Register lt Data specification gt Data specification Word No Word No 5 characters 5 characters lt gt Normal response Registration successful Fixed 6 characters 9 MG Monitoring start Monitors a registered data Command No of characters in data line 2 characters lower word higher word lower word higher word 9 RT Read the status of Eco POWER METER Reads
37. lt kW kWh gt lt A gt lt V gt f measured CT is 100A 5A set to 100 If 5A is measured set to 5 It is only when 5A is selected on CT type setting mode Eco Panasonic GOWER METER Enter VT ratio using lt kW kWhs gt lt A gt lt V gt lt CHARGE gt If the VT is 440 110 set to 4 00 1 00 99 99 L lt SET gt 11 Current for time measurement setting mode Factory setting Display i Eco Panasonle power METER Enter current for time measurement using lt kW kWhs gt lt A gt lt V gt f you measure the current over 50 0 F S set to 50 0 1 0 100 0 J lt SET gt Panasonle ant R METER Enter cutoff current using lt kW kWh gt lt A gt lt V gt pel If you don t measure the current under 10 0 F S Re set to 10 0 kewaran 1 0 50 0 Ecos Panasonic POWER METER Press lt kW kWh gt to change unit for pulse output ot a Unit is selected from Ha 0 001 gt 0 01 gt 0 1 gt 1 gt 10 gt 100 ALARM J lt SET gt ni Eco Panasonic POWER METER Enter power for alarm using lt kW kWh gt lt A gt lt V gt lt CHARGE gt lt TIME gt lt COUNTS gt It is only when ALARM is selected on unit for pulse output setting mode 0 9999 99kWh Eco POWER METER Panasonic Press lt COUNT gt to change JPY EUR CNY Pl Enter the rate per 1kWh using HE lt kW kWh gt lt A gt lt V gt l
38. mber on the slave side and is set within the range 1 to 99 01H to 63H Master identifies slaves by the slave address of the requested message Slave informs master which slave is responding to master by placing its own address in the response message Slave address O OOH broadcast address can identify all slaves connected However slaves do not respond O Function code Function code is command code for the slave to undertake the following action types Function code is used to discern whether the response is normal acknowledgement or if any error negative acknowledgement has occurred when slave returns response message to master When acknowledgement is returned slave simply returns original function code When negative acknowledgement is returned MSB of original function code is set as 1 for response For example when the master sends request message setting 00H to function code by mistake slave returns 80H by setting MSB to 1 because the former is an illegal function For negative acknowledgement the exception codes below are set to data of response message and returned to master in order to inform it of what kind of error has occurred Exception code Contents 3 03H Illegal data value Value out of the devise numbers note1 Even if it commands to write 06H 10H to non existent data address slave response with acknowledgement However it doesn t write note2 Even if it commands to write the value out of the setting range
39. minal of the main unit first and after that wire the primary side to a load electric wire The CT has polarity Wire correctly according to the K and L marks For the dedicated CT AKW4801 4802 4803 4804 k is the white wire and 1 is the black wire Check beforehand that the thickness of the electric wire is smaller than the through hole of the CT If you use a CT that separates at the bottom make sure it is closed securely once the wire is in place if not an error in measurement will occur When CT s cable is extended it is possible to extend up to about 10m with the cable of 0 75mm or more cross section under the environment without noise at all Please use the thick cable as much as possible 6 3 3 Pulse measurement lt P Main unit wiring diagrams RS 485 Output Output O IN 6l 7 ILe ILo Ilo BIBIRE E DH 0 0V RS 485 IN lt Pin type gt lt Screw terminal type gt Input connection Contact input Use highly reliable metal plated contacts Since the contact s bounce time leads directly to error in the count value use contacts with as short a bounce time as possible In general select 30Hz for max counting speed Non contact input Transistor input Connect with an open collector Use the transistor with the following specifications Vceo 20V min Ic 20mA min lcgo 6 u A max Use transistors with a residual voltage of less than 1 5V when the transistor is ON X Short circuit impedance s
40. nation with existing CT by selecting 5A in the CT type setting mode In this case it is necessary to set the primary side current lt can be set the range of 1 to 999 When connecting 5ACT directly and measure with 5A range set to 5 ex If measured CT is 400A 5A set to 400 lt This mode is only when 5A is selected on CT type setting mode VT ratio setting mode vi Mode defines voltage input method to the main unit input voltage directly or uses a voltage transformer VT over 240VAC It can be set the range of 1 00 to 99 99 1 00 should be set when voltage input directly without connecting VT 1 01 99 99 should be set when VT is used to input voltage ex If the VT is 440V 110V set to 4 00 Current for time measurement setting mode HM H Mode defines for time measured current Unit measures ON time and OFF time by setting value lt can be set the range of 1 0 to 100 0 F S ex When 10 0 is set the current exceeds 10 0 F S is measured as ON time the current under 10 0 F S is measured as OFF time XMeasured current is the current of L1 CT1 phase 10 Ian Cutoff current settinc MA Mode defines load current that does not measured Cutoff current Use to avoid miss measurement by wiring or induction noise at no load 0 00kW is displayed for instantaneous electric power 0 0A is displayed for current Integrated electrical energy is not measured It can be set the range of 1 0 to 50 0
41. ne It may also lead to circuit burnout or fire by way of the secondary CT side opening Do not add voltage and current to an output terminal from outside MW Installation Installation and wiring must be performed by expert personnel for electrical work or electric piping The power supply terminal and voltage input terminal of the main unit is common Therefore if additional noise effects the power supply line incorrect measurements may result Eco POWER METER is designed to be used in a control panel As to measurement If there is some distortion by harmonic or waveform it may not measure correctly Please check with the actual system before adopting it MW Static electricity Discharge static electricity touching the grounded metal etc when you touch the unit Excessive static electricity might be generated especially in a dry place NW Cleaning Wipe dirt of the main unit with soft cloth etc When thinner is used the unit might deform or be discolored MW Power supply Connect a breaker to the voltage input part for safety reasons and to protect the device The breaker that connects to the voltage input part must arrange at the position easily reached and display shows it is the breaker of the equipment Do not turn on the power supply or input until all wiring is completed WE Before power on Please note the following points when turning on power at the first time Confirm there are neither wiring rubbish nor
42. nge of 01 to 99 Panasonic POWER METER i i n UN Press lt kW kWh gt to change transmission speed HF aj A E n ae Transmission speed is selected from ICu 19200 9600 4800 2400 ME we W doen Press lt kW kWh gt to change transmission format PE Bken weren Data length Parity Transmission format is selected from 8bit o 7bit n 7bit E 7it o 8bit n 8bit E n not available E even number o odd number J lt SET gt Response time setting mode lt Only for MODBUS type gt Factory setting Display Ecos Panasonic power METER Pt LL L b Ir Enter the response time using lt kW kWh gt lt A gt Response time can be entered the range of 05 to 99ms Normal display 5 2 5 MODE4 Mode for setting of each parameter for optional function lt MODE gt lt CHARGE gt Backlight LED turns off automatically when there is no key operation for a long time Off time can be set the range of 0 to 99min 0 should be set if you want to turn always light on 1 99 should be set if you want to turn light off at setting time After turns off the backlight any key operation makes it turns on Normal display 4 lt MODE gt MODE display Ji lt CHARGE gt Auto off setting mode Factory setting Display Enter auto off time by minute using lt kW kWhs gt lt A gt Panasonic power METER Auto off time can be entered the range of 0
43. nge unit Unit is selected from CNT kl ms3 r L LK J Normal display 13 5 2 4 MODE3 Mode for setting of each parameter for serial communication RS 485 lt MODE gt lt V gt Mode defines an individual station no for each unit when two or more units communicate via serial communication RS 485 It can be set the range of 01 to 99 ransmission speed Baud rate setting mode Mode defines serial communication RS 485 transmission speed Define the transmission speed according to the master s PLC etc Select from 19200 9600 4800 2400 bit s ransmission format setting mode HM Mode defines serial communication RS 485 transmission format Data length Parity Define the transmission format according to the master s PLC etc Select from 8bit o 7bit n 7bit E 7bit o 8bit n 8bit E for MEWTOCOL type 8bit o 8bit n 8bit E for MODBUS iype n none means parity is not available E Even means parity is even number lt Only MODBUS type gt MODE defines serial communication RS485 response time of main unit When command is received it sends response after setting response time passes It can be set the range of 5 to 99ms Normal display J lt MODE gt MODE display r Station number setting mode Factory setting Display ic Eco Panasonic POWER METER Enter the station number using lt kW kWh gt lt A gt Station number can be entered the ra
44. nononcnnnononnncnnnnnnancnnnnnnnnnrnnnnonannnnnnoss 8 4 3 Counter function PULSE measurement oooncnnncccccccnonccnnnnccnononnnccnnnonononannnnnnnnnnonnnnnnnnnnnnononannennnnnnnnnnnnnnns 8 4 3 OPE 1110 9 MO tasa 8 4 3 2 Change the Preset Value cccccccssssececccsessececceeaeceeccseuseceeccsauseceeessaaseeeessagseeessseageeeessseaagseesesaas 8 Chapter o Seinos ees a a Ee 9 Su E Operation procedure a e DD N N 9 ar e e tina Mode Explanada o PORSOR N a N N N ND N N e a 10 9 21 MODE Select npu LIn O Aiy aya ub ban an rl Ken kude buk ek kk a 10 O ea eae eee en ao ere 10 NO Oe aaa 13 8 2 4 MODES A KC N SS reke neee K er D couse K KE K en a acters dal a 6e KADER 14 O xU PT an DN DD n N N e sete a a a 15 Chapter 6 Installation and Wiring curia dd 16 671 Panel CurourGimens ela Nr dos 16 6 2 Panel MOUMUAG alada ad 16 6O WINN Pee e oe wowrwreree eeeaeaaaea r w rbr r Wr r r w w w wW Wa W w wW9w w W w9wr wrws w Ws r wrWwrXMWW9W Tr rW W 17 6 31 Tefminalrarrand eme nia ali 17 6 3 2 Power measSure men Ek kk k KK KAKA KAKA KA KAKA KK K KK KK A KK KK KK KK KK KK K KK KK KK 17 6 3 3 Pulse AA 20 6 3 4 For Output CONNECTION ccccccccconnncnnnncccnnnnonnnccnnnnonnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnrnnnnannnnnnnnnns 21 6 3 5 For Wiring terminal ccccccsssececcesse
45. planation Indicates the beginning of a message German Pa Indicates that the data comprises a command message E HELE BUR SR ce ca ene response message Pests 7 7 5 ee response when an error occurs Destination and source AD H L Two digit decimal 01 to 99 ASCII codes Command messages contain a station number for Eco POWER METER that receives the message When FF ASCII code table is used however the transmission is a global transmission sent to all stations at once Note When a global transmission is sent no response to the command message is returned lt O Block check code Bcc H L Two digit hexadecimal 00 to FF ASCII codes These are codes horizontal parity that are used to detect errors in the transmitted data If is entered instead of Bcc however messages can be transmitted without the Bcc In this case the Bcc is included with the response Error code Err H L Two digit hexadecimal 00 to FF ASCII codes These indicate the contents if an error occurs Bcc Block Check Code The Bcc is a code that carries out an error check using horizontal parity to improve the reliability of the data being sent The Bcc uses an exclusive OR from the header to the final character of the text and converts the 8 bit data into a 2 character ASCII code Example 0 1 H R T 0 1 CR Header Station No 1 Command RT 2 character Command Bcc 0 1 H R T 0 1 25H 30H 31
46. rent Transformer Specifications ccccccoonccnnncccooncnnnoconnnnnnnnonnnnnnnononnnnnnnnnonnnnnnnononanens 36 9 6 Seal gros uc UNC ode 37 Ghabter 9 DIMSASIONS ii ici 37 E A DD DD DD a a 37 g2 Dedica Ca OT a a E 37 eZ Dedicated ds a a a r rr enone eee 38 Cautions before using MW Installation environment lt gt Do not use the Unit in the following environments Where the unit will be exposed to direct sunlight and where the ambient temperature is outside the range of 10 to 50 C Where the ambient humidity is outside the range of 30 to 85 RH at 20 C non condensing and where condensation might occur by sudden temperature changes Where inflammable or corrosive gas might be produced Where the unit will be exposed to excessive airborne dust or metal particles Where the unit will be exposed to water oil or chemicals Where organic solvents such as benzene paint thinner alcohol or strong alkaline solutions such as ammonia or caustic soda might adhere to the product Where direct vibration or shock might be transmitted to the product and where water might wet the product Please use the Unit according to the specifications described in this manual Otherwise it may malfunction or cause fire and an electric shock Connect to the power supply in compliance with the rating Refer to the wiring diagram to ensure proper wiring for the power supply input and output Do not perform wiring or installation with a live li
47. rque under 0 8N m 3 7mm f 3 7mm O 5 IIA P7 O O 6 3 6 RS 485 communication When using shielded cable for the RS 485 transmission line ground one end Use a class D class 3 dedicated earth for grounding Do not share a ground with other earth lines Fig 1 Change the slide switch on the side of main unit as a terminal station Fig 2 Be sure to connect with daisy chain the RS 485 transmission line between each unit Do not use a splitter Fig 3 Eco POWER METER Eco POWER METER Fig 1 General station Terminal station j To RS 485 device Class D grounding Class D grounding Fig 2 Sliding switch Terminal General Terminal station General station Factory setting Terminal Terminal Fig 3 station Correct wiring EJ i Hi E Incorrect wiring x ELI LJ LJ te 21 Recommended Recommended Cable Use the transmission cables shown below for Eco POWER METER RS485 communication system Conductor S Taner EA size oa Penna Thickness EA ABD Tea O cable HITACHI 1 25 mm Max eds KPEV S TUN ela Max 16 89 km Polyetheline 1 25 mm2x41P pair Belden Inc 9860 with shield 0 5 mm Max ares ee bl Max 33 42 km Polyetheline 0 5 mm 78 mm 0 5 mm x1 P seen Inc 9207 0 75 mm Max Approx VCTF AWG18 Max 25 10 km PP i a mm x 2C 0 6 mm 6 6 mm or more JIS Notes Shield Mera 1 Use shielded type twist cables 2 Use only one type of the transmission cables
48. slave response with acknowledgement However it doesn t write note3 The maximum number of reading slaves is 26 57 bite the maximum number of writing slaves is 23 55 bite 28 aaa Data Data depends on the function code A request message from the master side is composed of data item number of data and setting data A response message from the slave side is composed of number of bytes data and exception code in negative acknowledgement Error check 16 bit data to detect communication errors Refer to the next Acknowledgement response When command is to write 1 point same massage of command is responded When command is to write several points part of command message 6 bite is responded Error check After calculating CRC 16 Cyclic Redundancy Check from slave address to the end of data the calculated 16 bit data is appended to the end of message in sequence from low order to high order lt How to calculate CRC gt In CRC system the information is divided by the polynomial series The remainder is added to the end of the information and transmitted The generation of polynomial series is as follows Generation of polynomial series X X X 1 Initialize the CRC 16 data assumed as X FFFFH Calculate exclusive OR XOR with the 1st data and X This is assumed as X 3 Shift X one bit to the right This is assumed as X When a carry is generated as a result of the shift XOR is calculated b
49. t CHARGE gt J Normal display 5 2 3 MODE2 Mode for setting each parameter for pulse measurement This mode doesn t show when power measurement is selected lt MODE gt lt A gt Max counting speed setting mode ri Mode defines max counting speed Select from 2kHz 30Hz Mode defines pre scale value used for change count value It can be set the range of 0 001 to 100 000 Initial 1 000 The position of decimal point set with this mode is applied to count value and preset value ex When 0 01 Last 2 digit is set the decimal point of count value and preset value has 2 digit under decimal point Mode defines unit used for count value display Select from CNTA kl m CNT ENT lt Count value does not change even if the unit setting is changed during counting Normal display J lt MODE gt MODE display Max counting speed setting mode Factory setting Display Press lt kW kWh gt to change max counting speed Max counting speed is selected from 2000 2kHz 30 30HZz i Ec Panasonic POWER METER PE Enter pre scale value using me oe EE wwe i r lt kW kWh gt lt A gt lt V gt lt CHARGE gt lt TIME gt lt COUNTS gt bt Pre scale value can be entered the range of 0 001 to IATA 100 000 y The position of decimal point set with this mode is applied to count value and preset value Eco Panasonic POWER METER bing Y Y LJ TY i Press lt kW kWhs gt to cha
50. the specifications of Eco POWER METER and error codes if an error occurs Command Operation mode Error flag 01 On operating 01 abnormal 00 Stop 00 normal Model code 1 Model code 2 Version Operation mode Error flag 2 characters 2 characters das 2 charactere EA E Model code 1 99 Model code 2 11 lower word higher word 7 5 MODBUS RTU Communication 7 5 1 Overview of MODBUS RTU 4 8 bit binary data in command is transmitted as it is Data format Start bit 1 bit Data bit 8 bits X7bits is not available Parity No parity Even parity Odd parity Selectable Stop bit 1 bit Fixed Error detection CRC 16 Cyclic Redundancy Check Data interval 3 5 character transmission time or less Message configuration RTU mode is configured to start after idle time processing of more than 3 5 character transmissions and end after idle time processing of more than 3 5 character transmissions 35 idle Slave Function bata Error check 3 5 idle Characters address code CRC 16 characters ee eee To es 8 bit 8 bit bits 16 bit Master judges the transmission complete after no command for 4 characters idle time and process the command Transmission speed and judgment time to complete transmission Transmission speed bps Judgment time to complete ms 19200 about 2 00 about2 00 _______ 9600 about 4 00 4800 about 8 00 2400 about 16 00 QSlave address Slave address is an individual instrument nu
51. y X of and the fixed value A001H This is assumed as X If a carry is not generated go to step Repeat steps and until shifting 8 times XOR is calculated with the next data and X This is assumed as X Repeat steps to Repeat steps to up to the last data Set X as CRC 16 to the end of message in sequence from low order to high order Message example 1 Reading electricity rate 0032H of address 1 Command j _ _ T o vViktklljiLkkj Uj yS j j ZzZZ Z hw Gu E Slave Function Data item Number of Error check Fe e ol 01H 03H 0032H 0001H 2505H T7 22 1 1 2 2 2 character number Response message from slave in normal status When Rate 1000 10 00 OSE8H ss 3 5 idle Slave Function Number of Number of Error check 3 5 idle Barace address code response byte data CRC 16 T er DENGE NEN 01H 03H 02H 03E8H B8FAH Sant oe eee N 1 1 1 2 2 character number Setting electricity rate 0032H of address 1 When rate is set to 20 00 2000 07DOH Command 3 5 idle Slave Function Data item Number of Error check 3 5 idle characters address code data CRC 16 characters 01H 06H 0032H 07D0H 2BA9H 1 1 2 2 2 character number Response message from slave in normal status 3 5 idle Slave Function Data item Number of Error check aa eh arae are address code data CRC 16 o RA O RR 01H 06H 0032H 07DOH 2BA9H 1 1 2 2 2 character number 29 G Reset
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