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Wiring

KW2M-A/X User's Manual

13

4.4 Wiring Diagrams

Please connect a breaker or a fuse to the power supply and voltage input part for safety reasons and to
protect the device.

･

Recommended breaker: 3 to 15A (IEC approved or UL Listed)

･

Recommended fuse: Time-lag fuse rated current 2A (IEC approved or UL Listed)

Grounding the secondary side of VT (voltage transformer) and CT (current transformer) is not necessary
with a low-voltage circuit.
*When using several CTs, set each CT approximately 1m apart. If the two CTs are set too close each
other, the device may not measure accurately due to magnetic field interferences.

◆

When measuring a load with rated input voltage

Single-phase two-wire system

*One CT is needed to measure a single-phase two-wire system.
*2 CTs are needed to measure 2-circuit and 3 CTs are needed to measure 3-circuit.

*To measure 2-circuit, wire 1 and 3. To measure 3-circuit, wire 1 and 3 and 5.

Single-phase three-wire/Three-phase three-wire

*2 CTs are needed to measure single-phase three-wire system, three-phase three-wire system.

*4 CTs are needed to measure 2-circuit.

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Summary of Contents for AKW263100A

Page 1: ...WUME KW2MAX 02 07 2016 Eco POWER METER KW2M A KW2M X User s Manual ...

Page 2: ... product at the values less than the maximum of the characteristics and performance that are assured in these specifications Do not dismantle or remodel the product It could lead to abnormal exothermic heat or smoke generation Do not touch the terminal while turning on electricity It could lead to an electric shock Use the external devices to function the emergency stop and interlock circuit Conne...

Page 3: ...Introduction Thank you very much indeed for purchasing the KW2M A Eco POWER METER In this manual we explain the usage of KW2M A Eco POWER METER in detail ...

Page 4: ...net 32 5 4 4 Settings for optional functions 34 5 4 5 Password setting 37 5 4 6 Confirmation window 38 5 5 How to set up the device by web browser 39 5 5 1 Overview of tabs with setting items 39 5 5 2 Settings for Power Measurement 40 5 5 3 Settings for Demand and Power Rates 42 5 5 4 Settings for Pulse Input 44 5 5 5 Settings for Pulse Output 45 5 5 6 Settings for Ethernet and RS485 communication...

Page 5: ... value for integral active power 70 7 2 20 Conversion value for integral export power 71 7 3 Logging Mode 72 7 3 1 Max demand value 72 7 4 Demand Mode 73 7 4 1 Block Interval Demand sliding block fixed block 73 Chapter 8 Monitoring measured values via Web browser Monitor Web 75 Chapter 9 Creating web contents Customer Web 76 9 1 How to upload web contents to the device 77 9 2 How to download web c...

Page 6: ...inery which occurs the big switching serge 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 Use the wire that conforms to the rated current Do not perform wiri...

Page 7: ... voltage to be measured is not the rated frequency commercial frequency it may take time to stabilize THD total harmonic distortion 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 Cleaning Wipe dirt of the main unit with soft cloth etc When thinner is used the unit migh...

Page 8: ... authentication so that authentication information user name password and network configuration information and equipment inside information is not leak on the network Before you access this product via browser close other windows After you access this product via browser close all browsers Change password regularly Do not install the place where it can be disassembled or remodeled easily We do no...

Page 9: ...s neither intended nor can it be legally used for billing 2 1 Model number Model name Model number KW2M A Eco POWER METER main unit AKW263100A KW2M A Eco POWER METER expansion unit power measurement AKW272100A It is not possible to take measurement with only the expansion unit Every expansion unit must be connected to a main unit 2 2 Measurement specifications Phase Wire system Single phase two wi...

Page 10: ...wer conversion value 0 000 to 99999999 Present value Note The heading Display data range refers to the range than can be shown on the main unit display It does not refer to the range of values that can be measured Power Quality Item Display data range Unbalanced current Each phase 0 00 to 300 00 Present value Max value Min value Unbalanced voltage Each phase Current THD total harmonic distortion E...

Page 11: ... Under voltage Set the ratio for the rated voltage and it is used for threshold Voltage under the set ratio is kept for min 5ms and will be judged as under voltage Under current Set the ratio for the rated current and it is used for threshold Current under the set ratio is kept for min 5ms and will be judged as under current Over current Set the ratio for the rated current and it is used for thres...

Page 12: ...g item to display Setting mode Select a setting value Demand mode Selects a demand item to display MODE SET Measuring mode Demand mode Selects unit to display MODE SHIFT Measuring mode Switches to demand mode Demand mode Switches to measuring mode Lock mode In this mode all keys are locked No input can be made When you press SET continuously for about 3 seconds lock mode is activated and the lock ...

Page 13: ...oltage V ACant Measured voltage Do not use NC V ACant terminals Current input terminals Terminal number 1 2 3 4 5 6 7 8 9 10 11 12 Functions K L K L K L K L K L K L CH1 CT1 CH1 CT2 CH1 CT3 CH2 CT1 CH2 CT2 CH2 CT3 Measured current CH1 Measured current CH2 RS485 communication terminals Terminal number 1 2 3 4 5 6 Functions END END Each terminal is connected internally Pulse I O terminals Terminal nu...

Page 14: ...ossible to use two different measurement voltages 2 circuits of same system with 1 unit Each unit main unit expansion unit power measurement power measurement pulse output can measure 2 circuits of a single phase two wire system and 1 circuit of a single phase three wire system or three phase three wire system Each unit can be used with a different phase and wire system However check the wiring ca...

Page 15: ...its are to be connected Connect each male connector to a female connector The female connector is on the other side of the male connector After connecting push the hooks into the unit to fix the expansion unit Up to 3 expansion units can be connected to 1 main unit Note The communication will be stopped or the measurement data will be lost when the units are removed or connected while the power is...

Page 16: ...n using several CTs set each CT approximately 1m apart If the two CTs are set too close each other the device may not measure accurately due to magnetic field interferences When measuring a load with rated input voltage Single phase two wire system One CT is needed to measure a single phase two wire system 2 CTs are needed to measure 2 circuit and 3 CTs are needed to measure 3 circuit To measure 2...

Page 17: ... to measure 2 circuit Vn terminal should be connected to grounded N phase Measuring a load with exceeded input voltage A voltage transformer VT is needed when you measure a load with over input voltage Use a VT with a secondary voltage rating of 110V Grounding the secondary side of VT and CT is not necessary with a low voltage circuit ...

Page 18: ...e to the terminal of the main unit first and after that wire the primary side to a load electric wire Incorrect order might cause an electric shock or break the CT The CT has polarity Wire correctly according to the K and L marks When the polarity is wrong the device cannot measure correctly If there is some distortion by harmonic or waveform the device may not measure correctly Please perform som...

Page 19: ...ction example How to set the parameters for CT 1 Select CT type option CT T according to the CT used Select 5A if the secondary side current of the CT used is 5A Select 1A if the secondary side current of the CT used is 1A 2 Set the primary current of measured CT at primary side current of CT setting mode option CT 1 For example if the measured CT is 400A 1A or 400A 5A set to 400 3 Connect the CT ...

Page 20: ...idual voltage of max 3V when the transistor is ON Short circuit impedance should be 1kΩ max Open circuit impedance should be 100kΩ min When the impedance is 0Ω the drain current is approx 10mA Input wiring Please wire as short as possible by using a shielded wire or a metallic electric wire tube individually 4 7 For Output Connection PhotoMOS relay output With a PhotoMOS relay output there is no p...

Page 21: ...are a ground with other earth lines Fig 1 Make sure to establish a daisy chain connection with the RS485 transmission line between each unit Do not use a splitter Fig 1 To avoid noise separate the transmission lines from high voltage lines power supply voltage line How to connect a KW2M A 2 wire and a KW9M 3 wire Fig 1 Correct wiring Incorrect wiring Terminal Terminal station station ...

Page 22: ...ds and specifications to meet power supply and current When the device is to used in applications conforming to EN61010 1 IEC61010 1 make sure to satisfy the following conditions 1 RS485 communication part and pulse input part ensure only basic insulation In order to ensure reinforced double insulation demanded by EN 61010 1 IEC61010 1 use a basic insulation or better with load side and reinforced...

Page 23: ...Mark Confirmation of conformity of the product with the applicable EU directives and compliance with the essential requirements contained in these directives Protective insulation device with protection class II Products with this mark comply with both the Canadian and the American requirements ...

Page 24: ... 690 V 230V VT primary side voltage 100 to 500000 V 230V Over voltage ON threshold 0 0 to 120 0 0 0 Over voltage OFF threshold Under voltage ON threshold Under voltage OFF threshold Over current ON threshold Over current OFF threshold Under current ON threshold Under current OFF threshold Conversion rate P total 0 00 to 99 99 1kWh 10 00 Conversion rate P total Hour meter threshold 01 to 100 0 10 0...

Page 25: ...lse output OUT1 OUT2 Total Phase1 Phase2 Phase3 total Target phase for alarm output OUT1 OUT2 Electric power Total All Phase1 Phase2 Phase3 total Current All Phase1 Phase2 Phase3 Phase N All Power interruption Over voltage Under voltage All Phase1 Phase2 Phase3 Line 1 2 Line 2 3 Line 3 1 All Integral direction OUT1 OUT2 P P P Output pulse width 1 to 100 ms 1 Stand by alarm threshold OUT1 OUT2 0 1 ...

Page 26: ...emand alarm power type ON OFF OUT1 OUT2 Active Reactive Apparent Active Export Reactive Export Active Power demand alarm threshold ON OFF OUT1 OUT2 0 000 to 99999 999 kW kvar kVA 0 Current demand alarm threshold OUT1 OUT2 0 0 to 120 0 0 Preset value OUT1 OUT2 0 to 999999 0 Parameters for communication RS485 Available Not available Item Range Initial value Setting Keys Web Protocol MEWTOCOL MODBUS ...

Page 27: ... Auto setting DNS server 0 0 0 0 to 255 255 255 255 0 0 0 0 Web server Web server settings Yes available No not available Yes User name administrator half width alphanumeric 64 letters admin Password administrator half width alphanumeric 64 letters admin Parameters for optional functions Available Not available Item Range Initial value Setting Keys Web Auto off 0 to 99 min 1 Display update cycle 0...

Page 28: ...munication RS485 Communication Ethernet Optional functions Password To next page Phase Wire Protocol DHCP setting 2 CT setting Device number IP address Voltage setting 1 Transmission speed Subnet mask Transmission format Default gateway Stop bit Web server settings Response time 1 Voltage setting is valid for main unit CH1 CH2 expansion unit CH1 CH2 2 IP address and Subnet mask are skipped when DH...

Page 29: ...gral value 2 Reset logging data Reset integral value 3 Version Confirmation mode Setting confirmation No Setting confirmation Yes Measuring value display Press SET while an item is displayed to change the current setting value Press MODE to display the confirmation window Select Yes and press SET to save the setting value However if no value has been changed the confirmation window is skipped and ...

Page 30: ...entry window MODE M 1 P a s s w o r d 0 Enter password the from left to right using the keys ITEM SHIFT SHIFT Increases the value ITEM Shifts the entered digit to the right SET M 1 P o w e r Press SET after entering the password If the password is correct the device switches to the setting mode for power measurement If the password is wrong FAIL is displayed and the device returns to the password ...

Page 31: ...t your own password Measuring value display Press MODE and it switches to password entry window MODE M 1 P a s s w o r d 0 Press MODE and ITEM for 30 seconds in the password entry window and it switches to the password initialize window MODE ITEM 30sec M 1 P a s s w o r d R e s e t SET M 1 P a s s w o r d R e s e t N o SHIFT ITEM M 1 P a s s w o r d R e s e t Y e s SET SET Not initialize No Initia...

Page 32: ...es not match the measured system the device will not measure correctly CT setting Select the CT type used M 1 P o w e r C T P r i m a r y 5 A S e c o n d a r y 5 A Press SET to select primary or secondary Press ITEM SHIFT to select the range Set range Primary side 1 to 65535 initial 5 Secondary side 5 5A 1 1A initial 5 Increase Decrease For CT with secondary side current 5A 5 For CT with secondary...

Page 33: ...r Set an individual device number for each unit when two or more units are connected to communicate via serial communication RS485 M 1 C O M R S 4 8 5 N o 9 9 Press ITEM SHIFT to set a value The setting range differs according to the protocol Set range MEWTOCOL 1 to 99 MODBUS RTU 1 to 247 Increase Decrease Transmission speed Baud rate Select the transmission speed for RS485 communication Both the ...

Page 34: ...S 4 8 5 S t o p b i t 1 b i t Press ITEM SHIFT to select Set list 1 2 initial 1 Response time Set the response time of the main unit for RS485 communication When a command is received the response is sent after the set response time has passed M 1 C O M R S 4 8 5 R e s p o n s e T i m e 5 m s Press ITEM SHIFT to set Set range 1 to 99ms initial 5 Increase Decrease If a Data Logger Unit DLU or Data ...

Page 35: ...IP address for Ethernet communication M 1 C O M E t h e r n e t I P A d r e s s 1 9 2 1 6 8 0 0 1 0 0 5 Press ITEM SHIFT to set Set range 0 0 0 0 to 255 255 255 255 initial 192 168 1 5 Increase Decrease Subnet mask This item is skipped when DHCP is set to Yes Set the subnet mask for Ethernet communication M 1 C O M E t h e r n e t S u b n e t m a s k 2 5 5 2 5 5 2 5 5 0 0 0 Press ITEM SHIFT to set...

Page 36: ... t D e f u a l t G a t e w a y 1 9 2 1 6 8 0 0 1 0 0 1 Press ITEM SHIFT to set Set range 0 0 0 0 to 255 255 255 255 initial 192 168 1 1 Increase Decrease Web server setting Select the Web server setting for Ethernet communication M 1 C O M E t h e r n e t W e b S e r v e r Y e s Press ITEM SHIFT to select Set list Yes available No not available initial Yes SHIF T ITE M ...

Page 37: ...e measured value dispaly It updates the display of measured values after the time set here has passed M 1 O p t i o n D i s p l a y u p d a t e 0 5 s Press ITEM SHIFT to select a value Set list 0 5 1 0 2 0 3 0 s initial 1 0 Reset all integral value All integral power values active reactive apparent can be reset simultaneously M 1 O p t i o n A l l R e s e t Y e s Press ITEM SHIFT to select a setti...

Page 38: ...reactive M 1 O p t i o n R e s e t 2 Y e s Press ITEM SHIFT to select Set list Yes No initial No Reset Yes No reset No Reset integral value 3 This item is skipped when Reset all integral value is set to Yes Reset the integral power of 3CH 3 phase active reactive apparent and integral export power of 3CH 3 phase active reactive M 1 O p t i o n R e s e t 3 Y e s Press ITEM SHIFT to select Set list Y...

Page 39: ...eset the values measured by the hour meter ON time OFF time Stand by time and Maintenance time M 1 O p t i o n R e s e t H o u r M e t e r Y e s Press ITEM SHIFT to select Set list Yes No initial No Reset Yes No reset No Reset log data This item is skipped when Reset all integral value is set to Yes Reset all log data M 1 O p t i o n R e s e t L o g Y e s Press ITEM SHIFT to select Set list Yes No...

Page 40: ...d 0 0 0 0 Press SET and 0 on the left is blinking Set a password using ITEM SHIFT Increase Shift entered digit to the right Set from left to right Make the digit to set blink Set range 0000 to 9999 initial 0000 M 2 P a s s w o r d 2 3 4 5 Set 4 digit password and press SET Then the confirmation window is displayed SET M 2 P a s s w o r d N o 2 3 4 5 M 2 P a s s w o r d Y e s 2 3 4 5 Set list Yes N...

Page 41: ... window and the devices switches to the confirmation window Setting mode MODE M 2 S e t A l l N o M 2 S e t A l l Y e s Confirm the change Yes Cancel the change No initial No SET SET Cancel Confirm P l e a s e W a i t N o w S e t t i n g D a t a Measuring value is displayed SHIF T ITE M ...

Page 42: ...munication environment 5 5 1 Overview of tabs with setting items The setting items are distributed over several tabs Tab Description 1 Measurement Set parameters related to power measurement 2 Demand Power Rates Set parameters related to demand conversion rate 3 Input Set parameters related to pulse input 4 Output Set parameters related to pulse output 5 Interface Set parameters related to Etherne...

Page 43: ...to 50 0 initial 0 1 4 Hour meter Select phase and current that is measured as ON time by percentage List Target phase Phase1 Phase2 Phase3 ALL initial Phase1 Threshold 0 1 to 100 0 initial 10 0 5 Simple measuring Select mode and set parameters for simple measuring List Range Type OFF inactive k VLT PF Fixed use actual current with fixed voltage and PF SingleCT use phase 1 current and all voltage i...

Page 44: ... of rated voltage to measure Range Primary side 100 to 500000 initial 230 Secondary side 100 to 690 initial 230 8 Over current Set a ratio of current for rated current used as a threshold for judging over current Range 0 0 to 120 0 initial 0 0 9 Under current 10 Over Voltage Set a ratio of voltage for rated voltage used as a threshold for judging over voltage Range 0 0 to 120 0 initial 0 0 11 Unde...

Page 45: ...n initial 1 3 Power input source 1 Select input type to use for demand measurement current measurement or pulse input List CT Pulse initial CT 4 Pulse Power Conversion Method 2 Select and set electric power value per 1 pulse or pulse constant value input by an outer pulse detector Range Pulse rate 0 001 to 100 000 kWh pulse initial 0 001 Pulse constant 1000 to 99000 pulse kWh initial 50000 5 Curre...

Page 46: ...s Manual 43 Conversion rate Setup Item Description 1 Conversion rate Setup Set the conversion rate per integral active power import and export 1 kWh Range P kWh 0 01 to 99 99 initial 10 00 P kWh 0 01 to 99 99 initial 10 00 1 ...

Page 47: ...for Pulse Input Item Description 1 Max counting speed Select the max counting speed for pulse input List 30Hz 2kHz initial 30Hz 2 Pre scale Set a pre scale value used to convert the count value of the pulse input Range 0 001 to 100 00 initial 1 000 1 2 ...

Page 48: ...put type List Integral power pulse Alarm General output initial Integral power pulse 3 Unit for output Set unit used for pulse output List 0 001 0 01 0 1 1 10 100kWh initial 0 001 4 Direction Select direction of power import or export to be used as a threshold for pulse output List P P initial P 5 Target phase Select a phase to monitor in order to judge the output Select Total for measuring 3P3W L...

Page 49: ...to 100 0 initial 0 1 Elapsed 0 to 9999min initial 0 4 Active power Select phase to monitor and set the threshold to use for output Select Total when measuring 3P3W List Range Target phase Phase1 Phase2 Phase3 ALL Total initial Total OFF threshold 0 00 to 9999999999 99 initial 9999999999 99 ON threshold 0 00 to 9999999999 99 initial 9999999999 99 5 Reactive power 6 Apparent power 7 Over current Sel...

Page 50: ...itial 100 00 15 Under frequency 16 Current THD Select phase to monitor and set threshold to use for output List Range Target phase Phase1 Phase2 Phase3 ALL initial ALL OFF threshold 0 00 to 400 00 initial 400 00 ON threshold 0 00 to 400 00 initial 400 00 17 Voltage THD 18 Current harmonics 19 Voltage harmonics 20 Current unbalancing Select phase to monitor and set threshold to use for output Range...

Page 51: ... Setting IP address Obtain an IP address automatically or Use the following IP address IP address 001 000 000 000 to 255 255 255 255 initial 192 168 1 5 Subnet mask 128 000 000 000 to 255 255 255 255 initial 255 255 255 0 Default gateway 001 000 000 000 to 255 255 255 255 initial 192 168 1 1 2 MEWTOCOL COM Set protocol and port number List Range Protocol TCP UDP initial TCP Port number 1024 to 655...

Page 52: ...er Set device number Range MEWTOCOL 1 to 99 MODBUS RTU 1 to 247 3 Transmission speed Select transmission speed List 2400 4800 9600 19200 38400 57600 115200bps initial 19200 4 Transmission format Select transmission format List Parity none odd even initial odd Stop bit 1bit 2bit initial 1bit 5 Response time Set response time Range 1 to 99ms initial 5 1 2 3 4 5 ...

Page 53: ...o POWER METER Browse Select setup file which are saved in PC 2 System Web Password Set password to access Web page 3 Backlight auto off Display backlight turns off automatically when no key is pressed for a long time Once the time set in this option has passed the backlight will turn off Range 0 to 99min initial 5 4 Screen refresh interval Select refresh interval for measuring window The display i...

Page 54: ...Settings KW2M A X User s Manual 51 Reset Data Item Description 1 Select unit and CH Select unit and CH to reset 2 Select item Select data item to reset After selecting item click Reset to reset 1 2 ...

Page 55: ...e T to judge whether the load is on stand by When the measured load satisfies the conditions you have set the pulse output turns on When it exceeds the threshold you have set it turns off and resets Working flow chart kW Normal working output turns ON Electric power T threshold C Stand by mode 0 Time min 6 2 3 Under voltage alarm When the measured value falls below the voltage you have set the pul...

Page 56: ...n is reached The output is held until it is reset The device keeps on counting even after n has been reached 2 The counter reverts to 0 after it has counted to the end of the valid range but output control is still maintained However the output turns OFF if the count value or the preset value are changed Change the Preset Value It is possible to change the preset value even during counting However...

Page 57: ...ock or a fixed block The device outputs a demand alarm when the conditions you have set are TRUE Sliding block The interval can be set from 1 to 60 min in 1 minute increments the increment is defined in power demand interval 2 The device calculates the demand during the latest finished interval and displays the value Ex Power demand interval 15 min Power demand interval 2 1 min 15 min interval Cal...

Page 58: ...apparent active export reactive export current 6 4 4 Demand alarm output Output with the pulse output terminal open collector Output only when the output type is set to alarm No alarm is output if the power demand alarm threshold is set to 0 000 kW 6 4 5 Behavior during power failure and recovery When a power failure occurs The device stops the demand measurement The device logs the values for max...

Page 59: ...ging the monitor display Press SHIFT while pressing MODE to change between the power monitoring mode logging mode and demand mode Press MODE to change to setting mode initial Power monitoring mode MODE MODE SHIFT Logging mode MODE Setting mode MODE SHIFT Demand mode MODE MODE SHIFT ...

Page 60: ...for the different keys ITEM SHIFT Instantaneous power Active Reactive Apparent Total integral power Active Reactive Apparent Total integral export power Active Reactive Current Voltage Power factor Frequency Current THD Voltage THD Current n order harmonics 2nd 3rd 31st Voltage n order harmonics 2nd 3rd 31st Pulse input value To next page ...

Page 61: ...Display of values 58 KW2M A X User s Manual From the previous page Conversion value P integral power Conversion value P integral export power Return to instantaneous power ...

Page 62: ... power Active Reactive Apparent Total integral power Active Reactive Apparent Total integral export power Active Reactive Current Voltage Phase voltage Line voltage Power factor Frequency Current unbalancing Voltage unbalancing Current THD Voltage THD Phase voltage THD Line voltage THD Current n order Harmonics 2nd order 3rd order 31st order To next page ...

Page 63: ...vious page Phase voltage n order Harmonics 2nd order 3rd order 31st order Line voltage n order Harmonics 2nd order 3rd order 31st order Pulse input value Conversion value P integral power Conversion value P integral export power Return to instantaneous power ...

Page 64: ...eys ITEM SHIFT Instantaneous power Active Reactive Apparent Total integral power Active Reactive Apparent Total integral export power Active Reactive Current Line voltage Power factor Frequency Current unbalancing Voltage unbalancing Current THD Voltage THD Current n order Harmonics 2nd order 3rd order 31st order To next page ...

Page 65: ... A X User s Manual From the previous page Line voltage n order Harmonics 2nd order 3rd order 31st order Pulse input value Conversion value P integral power Conversion value P integral export power Return to instantaneous power ...

Page 66: ...ent keys ITEM SHIFT Instantaneous power Active Reactive Apparent Total integral power Active Reactive Apparent Total integral export power Active Reactive Current Current N phase current Voltage Phase voltage Line voltage Power factor Frequency Current unbalancing Voltage unbalancing Current THD Voltage THD To next page ...

Page 67: ...rmonics 2nd order 3rd order 31st order Phase voltage n order Harmonics 2nd order 3rd order 31st order Line voltage n order Harmonics 2nd order 3rd order 31st order Pulse input value Conversion value P integral power Conversion value P integral export power Return to instantaneous power ...

Page 68: ...active M 1 1 1 2 3 4 5 k W P 2 k W 3 k W Σ k W 1 2 1 k v a r Q 2 k v a r 3 k v a r Σ k v a r Apparent 2 2 1 k V A S 2 k V A 3 k V A Σ k V A The device displays the power as shown below Display 1P2W 1P3W 3P4W 1 1st circuit R phase R phase 2 2nd circuit S phase 3 3rd circuit T phase T phase Total 1 2 3 Total R T Total R S T 3P3W Active Reactive M 1 P x x x x k W M 1 Q x x x x k v a r Apparent M 1 S ...

Page 69: ...e 7 2 7 Total integral export power The present total export power is displayed Press SHIFT to switch between active reactive and apparent Active Reactive M 1 1 k W h P 2 k W h 3 k W h T 4 Σ k W h M 2 1 k v a r h Q 2 k v a r h 3 k v a r h T 1 Σ k v a r h It does not light with 3P3W system The total integral power is measured and displayed from 0 000 kWh kvarh kVAh to 9999 9 PWh Pvar PVA The decima...

Page 70: ...ine voltage is not displayed for 1P2W system Phase voltage is not displayed for 3P3W system Phase voltage Line voltage M 1 1 V U 2 V 3 V A V M 1 1 2 V U 2 3 V 3 1 V A V When input voltage is under 3V when VT ratio is 1 the device displays 0 00 and does not measure When input voltage exceeds 828V or the display range the device displays Check the measurement environment Voltage measuring points The...

Page 71: ...hat assumes a balanced load Measuring an unbalanced load my lead to big errors 7 2 11 Frequency The present frequency is displayed 1P2W 1P3W 3P4W 3P3W M 1 1 H z F 2 H z 3 H z A H z M 1 F H z 7 2 12 Current unbalancing The present current unbalancing is displayed no display for 1P2W M 1 I 1 0 0 0 0 7 2 13 Voltage unbalancing The present voltage unbalancing is displayed no display for 1P2W M 1 U 1 0...

Page 72: ...2 3 A M 1 1 2 T H D u 2 3 3 1 A 7 2 16 Current n order Harmonics The present current n order harmonics is displayed Press SHIFT to change the display 2nd order 3rd order 4th order up to 31st order M 1 1 H I 2 2 3 A 7 2 17 Voltage n order Harmonics The present voltage n order harmonics is displayed Press SHIFT to change the display 2nd order 3rd order 4th order up to 31st order M 1 1 H U 2 2 3 A ...

Page 73: ...t when a pulse is input the device counts the pulse 7 2 19 Conversion value for integral active power The conversion value for the present integral active power P is displayed only the total conversion value is displayed for 3P3W Press SHIFT to switch between total phase 1 1st circuit phase 2 2nd circuit and phase 3 3rd circuit 1P2W 1P3W 3P4W Total M 1 1 C H G 2 3 Σ 1 2 3 4 5 6 7 8 9 0 1 3P3W Tota...

Page 74: ...port power The conversion value for the present integral export active power P is displayed only the total conversion value is displayed for 3P3W Press SHIFT to switch between total phase 1 1st circuit phase 2 2nd circuit and phase 3 3rd circuit 1P2W 1P3W 3P4W Total M 1 1 C H G 2 3 Σ ...

Page 75: ... power export demand Max reactive power export demand Max current demand 7 3 1 Max demand value Log data of peak demand is displayed Item indicator Lighting DEM M 1 1 5 4 3 0 0 0 A P 2 5 4 3 0 0 0 A D E M 3 5 4 3 0 0 0 A P v Peak demand unit Phase Press ITEM to change to a different item to display Item Display Indicator unit Active power Peak demand P kW Reactive power Peak demand Q kvar Apparent...

Page 76: ...d type 7 4 1 Block Interval Demand sliding block fixed block The different arrows stand for the different keys ITEM SHIFT SET SET ITEM Present demand Active power Reactive power Apparent power Present demand export power Active power active Reactive power export Pulse conversion value for integral power Present demand current Return to Present demand ...

Page 77: ...to start monitoring demand has passed The demand value exceeds the display range The clock is changed between demand time intervals Until the next interval starts after a power failure Present export power demand Each demand value is displayed Press SHIFT to switch between active power export reactive power export Active power export present demand Reactive power export present demand M 1 P D E M ...

Page 78: ... X It allows you to monitor the values measured by the device with a Web browser Access to http xxx xxx xxx xxx cu index htm by web browser It may take time to load the website depending on the communication environment Use the IP address you have set in 5 5 6 Settings for Ethernet and RS485 communication p 48 If you have activated the password function for Monitor Web and Customer Web you need to...

Page 79: ...itor index htm by web browser It may take time to load the website depending on the communication environment Use the IP address you have set in 5 4 2 Settings for communication RS485 or 5 4 3 Settings for communication Ethernet depending on the communication type you are using If you have activated the password function for Monitor Web and Customer Web you need to log in with a password initial u...

Page 80: ...ated with Control Web Creator to the device 1 Start Control Web Creator 2 Select Operations Upload 3 Set the IP address the port number user ID and password 4 Select Upload The upload window appears Item Content IP address IP address of the device intial 192 168 1 5 Port number 32769 fixed User ID 1 fixed Password Password of SystemWeb initial admin ...

Page 81: ... is finished the following window appears 9 2 How to download web contents from the device This is how you download the web contents from the device to your computer 1 Start Control Web Creator 2 Select Operations Download 3 Set the IP address the port number user ID and password ...

Page 82: ...9 6 Select Download The download window appears Item Content IP address IP address of the device intial 192 168 1 5 Port number 32769 fixed User ID 1 fixed Password Password of SystemWeb initial admin 4 When the download is finished the following window appears ...

Page 83: ... at the same time 1 Download the latest firmware from the web site 2 Open http xxx xxx xxx xxx setup index htm in the web browser 3 Select System setup 4 Select Browse The window where you can select the firmware appears 5 Select the update file kw2maverxxx_verup kw2m or kw2mxverxxx_verup kw2m according to your device 6 Select Open 7 When the selected file name is displayed click Update ...

Page 84: ...the web browser and the device display a progress bar 8 When the firmware update is finished the following window appears When the update has failed an error window will appear Check the communication settings and try again 9 Select OK to exit System Web The device is now ready for use ...

Page 85: ...ary insulated circuits Double insulation power supply terminals other terminals voltage input terminals other terminals Insulation resistance initial Between the isolated circuits min 100MΩ Vibration resistance 10 to 150Hz 7 5 minutes cycle Single amplitude 0 075mm 1h on 3 axes 10 to 55Hz 1 minute cycle Single amplitude 0 375mm 1h on 3 axes Shock resistance Min 294m s2 5 times on 3 axes Display me...

Page 86: ...350V AC 0 152V AC for UL standard 3P3W L L 0 690V AC 0 300V AC for UL standard 3P4W L N 0 690V AC 0 300V AC for UL standard L L 0 398V AC 0 173V AC for UL standard Impedance Min 2MΩ L N V1 V2 V3 Vn Resolution 0 01V Power consumption Approx 0 2VA L N V1 V2 V3 Vn Accuracy 0 2 0 5 for 2 phase of 1P3W 3 1 voltage of 3P3W and line voltage of 3P4W Input voltage with VT Primary voltage 3 100 to 500000V S...

Page 87: ...m Over voltage alarm Power interruption alarm Under current alarm Over current alarm Active power alarm Reactive power alarm Apparent power alarm PF alarm Over frequency alarm Under frequency alarm Voltage harmonics alarm Current harmonics alarm Voltage THD alarm Current THD alarm Unbalanced voltage alarm Unbalanced current alarm Power demand alarm Current demand alarm counter output level output ...

Page 88: ...ting speed 2000Hz 30Hz Min input signal width 0 25ms when 2000Hz is set 16 7ms when 30Hz is set ON OFF ratio 1 1 Pre scale Decimal point Under 3 digits Range 0 001 to 100 000 set in setting mode Output mode when pulse output is selected HOLD Protective elements Zener diode Pulse input Input signal 1 000 to 99 000 pulse kWh set in setting mode External pulse converter is necessary Pulse rate 0 001 ...

Page 89: ... 57600 38400 19200 9600 4800 2400bps select in setting mode Transmission format Data length 8 bit fixed Parity Not available odd number even number select in setting mode Stop bit 1bit 2bit select in setting mode 1 For RS485 converter on the computer side we recommend SI 35 and SI 35USB from LINE EYE Co Ltd When using SI 35 SI 35USB or PLC from our company which can be connected up to 99 units up ...

Page 90: ...server is in lock out due to an authentication failure Wait 10 minutes and try again E0042 No expansion units found Turn off power and connect the expansion units E0049 Hardware error Turn the power off and on again When the device does not recover change the main unit as it may have reached the end of its service life E0091 Internal memory error 1 Turn the power off and on again When the device d...

Page 91: ...Dimensions 88 KW2M A X User s Manual Chapter 12 Dimensions 12 1 Main unit Unit mm Tolerance 1 0 12 2 Expansion unit ...

Page 92: ...y KW2M A X User s Manual 89 Revision History Issue Date Manual No Content of revision April 2016 WUME KW2MAX 01 First edition July 2016 WUME KW2MAX 02 Second edition Correction of surge wave form diagram in chapter 1 ...

Page 93: ...engo VR Tel 39 0456752711 Fax 39 0456700444 www panasonic electric works it Nordic Countries Panasonic Electric Works Europe AG Panasonic Eco Solutions Nordic AB Filial Nordic Knarrarnäsgatan 15 164 40 Kista Sweden Tel 46 859476680 Fax 46 859476690 www panasonic electric works se Jungmansgatan 12 21119 Malmö Tel 46 40 697 7000 Fax 46 40 697 7099 www panasonic fire security com Poland Panasonic Ele...

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