Panasonic kw9m User Manual
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Panasonic kw9m User Manual

Eco-power meter
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  • Page 2 Copyright and trademark ● Panasonic Industrial Devices SUNX Co., Ltd. owns the copyright of this manual. ● We stiffly refuse the reproduction of without permission from this manual. ●Modbus Protocol is a communication protocol that the Modicon Inc. developed for PLC and Modbus is the registered trademark of Schneider Electric.
  • Page 3 Introduction Thank you very much indeed for purchasing “KW9M Eco-POWER METER”. In this manual, we explain the usage of “KW9M Eco-POWER METER” in detail. Please use it correctly after understanding the content enough.

  • Page 4: Table Of Contents

    Table of Contents Cautions before using ..........................ⅰ Chapter 1 Unit’s Outline ...........................1 1.1 Measurement outline ..........................1 1.2 Measurement items ..........................1 Chapter 2 Parts Name and Working......................2 2.1 Parts Names ............................2 2.2 Key’s functions............................3 Chapter 3 Wiring ............................4 3.1 Main unit terminal arrangement .......................
  • Page 5 Chapter 8 Mounting ..........................70 8.1 Dimensions ............................70 8.1.1 Main unit ............................70 8.2 Panel mounting ............................70...

  • Page 6: Cautions Before Using

    Cautions before using ■ About this product Eco-POWE METER us designed chiefly to manage saving energy. It is neither nor can it be legally used for billing. ■ Installation environment ◇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 -25 to 55 C.

  • Page 7: Power Supply

    ・External noise up to the level shown below is treated as noise voltage, but levels higher than this could lead to malfunctioning or damage to the internal circuit. Although the case is made from fireproof resin, do not mount it next to flammable materials. Between operating power supply terminals Noise voltage 1,500V...

  • Page 8: Chapter 1 Unit's Outline

    KW9M Eco-POWER METER Chapter 1 Unit’s Outline With KW9M Eco-POWER METER, electrical power (voltage, current, etc.), power factor, frequency, etc are measured using AC voltage and AC current input via one of the following systems: single-phase two-wire system, single-phase three-wire system, three-phase three-wire system or three-phase four-wire system.

  • Page 9: Chapter 2 Parts Name And Working

    KW9M Eco-POWER METER Chapter 2 Parts Name and Working 2.1 Parts Names <Front> <Back> Measuring mode Indicate the measuring item Item indicator Setting mode Indicate the setting item Auxiliary mark Measuring mode Indicate the power condition TX/RX mark Measuring mode...

  • Page 10: Key's Functions

    KW9M Eco-POWER METER 2.2 Key’s functions Functions Measuring mode Shift to setting mode <MODE> Setting mode Shift to setting confirmation mode and measuring mode <SET> Setting mode Set setting items and setting values Measuring mode All keys locked <SET> (continuous 3-sec)

  • Page 11: Chapter 3 Wiring

    KW9M Eco-POWER METER Chapter 3 Wiring Be sure to wire correctly according to the terminal arrangement and wiring diagrams. Please connect a fuse or a breaker to power supply part for safety reasons and to protect the device. This has no built-in power switch, circuit breaker or fuse for measured voltage input parts.

  • Page 12: Wiring Diagrams

    KW9M Eco-POWER METER 3.2 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 ･Recommended fuse : Time-lag fuse rated current 2A Grounding the secondary side of VT (Voltage transformer) and CT (Current transformer) is not necessary with low-voltage circuit.
  • Page 13 KW9M Eco-POWER METER Three-phase four-wire system *3 CTs are needed to measure three-phase four-wire system. ◆When measuring a load with exceed input voltage Voltage transformer (VT) is needed when you measure a load with over input voltage. Use a VT, those secondary voltage rating is 110V.

  • Page 14: How To Attach The Current Transformer (Ct)

    KW9M Eco-POWER METER 3.3 How to attach the Current Transformer (CT) DANGER ●Never open the secondary circuit of CT under applying current to load. ●Never remove the terminal block under applying current to load. Will cause electric shock or breakdown CT ・Use CT that the secondary side current is 5A or 1A, the rated burden 0.5VA or more.
  • Page 15 (4) Connect CT to the terminal block. (5) Insert terminal stand surely. (6) After confirm all wiring correct, turn on the power of the load and KW9M. * Connect CT wiring and terminal block surely. It will cause CT breakdown.

  • Page 16: Rs485 Communication

    Do not use a splitter. (Fig. 2) ・To avoid noise, separate the transmission line from high-voltage line (power supply, voltage line). (Fig.1) Terminal Terminal (Fig.2) station station Correct wiring ○ Incorrect wiring × ◆How to connect KW9M and the other devices with 2-wire system...

  • Page 17: Chapter 4 Settings

    KW9M Eco-POWER METER Chapter 4 Settings You can set parameters for measuring and the other functions using the keys on Eco-POWER METER. After wiring Eco-POWER METER and CT, power on and set the parameter for power measurement, Eco-POWER Meter can measure the electric power. In order to use the other functions, set other parameters according to your use.

  • Page 18: Setting Flow

    KW9M Eco-POWER METER 4.1 Setting Flow Arrow mark means press each key <MODE> <ITEM/△> <SET> <SHIFT/▽> Measuring value display Enter password Setting mode 【Power 【Optional 【Communication】 【Password】 measurement】 functions】 Phase/Wire Protocol Auto-off Password CT type Device number Luminance Primary side...

  • Page 19: Password Entry

    KW9M Eco-POWER METER 4.2 Password entry It is necessary to enter password to shift to setting mode. Enter [0000] and shift to password setting mode when you set password at the first time. *When setting password, be careful for handling and note it.

  • Page 20: Password Initialize

    KW9M Eco-POWER METER 4.3 Password initialize When you forget the password, initialize it in the following procedures. (Initial: [0000]) It is impossible to decode the set password. Press <MODE> and it shifts to password entry window. Measuring value display Press <MODE> and <ITEM/△> for 30 seconds in the password entry window, and it shift to the password initialize window.

  • Page 21: How To Set

    KW9M Eco-POWER METER 4.4 How to Set ■Set before measuring. Select setting item with <ITEM/△> and press <SET>, and the value will be blinking. Set with <ITEM/△> and <SHIFT/▽>. When you select [YES] with the confirmation window and press <SET>, the setting values are settled.
  • Page 22 KW9M Eco-POWER METER VT ratio Select the voltage input method, input voltage directly or uses a voltage transformer (VT: secondary side rating 110V) and set VT ratio. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 1.00 to 600.00 (initial:1.00) increase decrease Input directly without VT: [1.00]...

  • Page 23: Settings For Communication

    KW9M Eco-POWER METER 4.4.2 Settings for communication Protocol PROT Select protocol for of main unit via serial communication (RS485). *When protocol is changed, device number, transmission speed (baud rate), transmission format, stop bit and response time will be initialized. Press <ITEM/△>, <SHIFT/▽> to select.
  • Page 24 KW9M Eco-POWER METER Transmission format *Select [8b-E] when [645] is set for the protocol. Select serial communication (RS485) transmission format (Data length, Parity). Define the transmission format according to the master’s (PLC etc.). Press <ITEM/△>, <SHIFT/▽> to select. [Set list] 8b-o (8bit odd), 8b-n (8bit none), 8b-E (8bit even)

  • Page 25: Settings For Optional Functions

    KW9M Eco-POWER METER 4.4.3 Settings for optional functions Auto-off Display LCD turns off automatically when there is no key operation for a long time. After it passes the setting time, backlight will turn off. Set <ITEM/△>, <SHIFT/▽> to set. [Set range] 0 to 99 min. (initial:1)
  • Page 26 KW9M Eco-POWER METER Display cycle DISP CYCLE *It skips this item when [0] is set for auto-display. Set each display cycle during auto-display. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 1 to 99 sec (initial:5) increase decrease Shift every 1second: [1] *Any key operation during auto-display makes the display shift to instantaneous active power.
  • Page 27 KW9M Eco-POWER METER Reset integral value 2 RESET 2 *It skips this item when [YES] is selected for reset all integral value. Reset the integral power of 2CH/2-phase (active, reactive, apparent) and integral export power of 2CH/2-phase (active, reactive). Press <ITEM/△>, <SHIFT/▽> to select.

  • Page 28: Password Setting

    KW9M Eco-POWER METER 4.4.4 Password setting Password setting PASS You can set password for changing the settings. It is necessary to enter the password before moving the setting mode. We recommend you to set password to avoid unexpected change. Press <SET> and [0] on the left is blinking.

  • Page 29: Confirmation Window

    KW9M Eco-POWER METER 4.4.5 Confirmation window Press <MODE> at any setting window and it shifts to confirmation Setting mode window. [Set list] YES, NO (initial: NO) Confirm the change: [YES] Cancel Confirm Cancel the change: [NO] Measuring value display...

  • Page 30: Chapter 5 Display Of Each Value

    KW9M Eco-POWER METER Chapter 5 Display of each Value 5.1 Working of Monitor Display Arrow mark shows to press each key. <ITEM/△> SHIFT/▽> <Single-phase two-wire system> Instantaneous power Active Reactive Apparent Each-circuit instantaneous power circuit circuit circuit Total integral power...
  • Page 31 KW9M Eco-POWER METER From the previous page Current Voltage Power factor Frequency Conversion value P (integral power) Total circuit circuit circuit Conversion value -P (integral export power) Total circuit circuit circuit Temperature Return to instantaneous power *1) When 2 circuit and 3...
  • Page 32 KW9M Eco-POWER METER Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> <Single-phase three-wire system> Instantaneous power Active Reactive Apparent Each-phase instantaneous power Phase 1 Phase 2 Phase 3 Total integral power Active Reactive Apparent Total integral export power Active...
  • Page 33 KW9M Eco-POWER METER From the previous page Current Voltage Phase-voltage Line-voltage Power factor Frequency Conversion value P (integral power) Total Phase 1 Phase 2 Phase 3 Conversion value -P (integral export power) Total Phase 1 Phase 2 Phase 3 Temperature...
  • Page 34 KW9M Eco-POWER METER Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> <Three-phase three-wire system> Instantaneous power Active Reactive Apparent Total integral power Active Reactive Apparent Total integral export power Active Reactive Current Line-voltage Power factor Frequency Conversion value P (integral power)
  • Page 35 KW9M Eco-POWER METER Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> <Three-phase four-wire system> Instantaneous power Active Reactive Apparent Each-phase instantaneous power Phase 1 Phase 2 Phase 3 Total integral power Active Reactive Apparent Total integral export power Active...
  • Page 36 KW9M Eco-POWER METER From the previous page Current Voltage Phase-voltage Line-voltage Power factor Frequency Conversion value P (integral power) Total Phase 1 Phase 2 Phase 3 Conversion value -P (integral export power) Total Phase 1 Phase 2 Phase 3 Temperature...
  • Page 37 KW9M Eco-POWER METER ●Items that are displayed during the auto-display mode When some value is set at auto-display setting, each integral value display is shifted automatically. If you press any key during auto-display mode, it returns the instantaneous power display. Items, which...

  • Page 38: Instantaneous Power

    KW9M Eco-POWER METER 5.1.1 Instantaneous power ・The present instantaneous power of all phases or all circuits is displayed. ・Press <SHIFT/▽> to change active, reactive and apparent. <1P2W/1P3W/3P4W> Active Reactive Apparent ・Eco-POWER METER displays the power as below. Display 1P2W 1P3W...

  • Page 39: Instantaneous Power Of Each Phase / Each Circuit

    KW9M Eco-POWER METER 5.1.2 Instantaneous power of each phase / each circuit ・The present instantaneous power of each phase or each circuit is displayed. (It doesn’t display for 3P3W system.) ・Press <SHIFT/▽> to change phase 1 (1 circuit), phase 2 (2 circuit) and phase 3 (3 circuit).

  • Page 40: Total Integral Export Power

    KW9M Eco-POWER METER 5.1.4 Total integral export power ・The present total export power is displayed. ・Press <SHIFT/▽> to change active, reactive and apparent. <1P2W/1P3W/3P4W> Active Reactive <3P3W> Active Reactive ・Total integral power is measured and displayed from 0.000 to 29999999 (kWh/kvarh/kVAh).

  • Page 41: Integral Power Of Each Phase / Each Circuit

    KW9M Eco-POWER METER 5.1.5 Integral power of each phase / each circuit ・The present integral power of each phase or each circuit is displayed. (It doesn’t display for 3P3W system.) ・Press <SHIFT/▽> to change active, reactive and apparent. <1P2W/1P3W/3P4W> Phase 1/ 1...

  • Page 42: Integral Export Power Of Each Phase / Each Circuit

    KW9M Eco-POWER METER 5.1.6 Integral export power of each phase / each circuit ・The present integral export power of each phase or each circuit is displayed. (It doesn’t display for 3P3W system.) ・Press <SHIFT/▽> to change active, reactive and apparent.

  • Page 43: Current

    KW9M Eco-POWER METER 5.1.7 Current ・The present current value is displayed. ・It measures from 0.1% of CT secondary current. ・When input current exceeds 200% or the display range, it displays “- - - - -“. ・Current measuring points Eco-POWER METER measures the current as below.

  • Page 44: Power Factor

    KW9M Eco-POWER METER 5.1.9 Power factor ・The present power factor of the load is displayed. <1P2W/1P3W/3P4W> <3P3W> *Power factor operation is a method assuming balanced load. The error might be big when it measures unbalanced load. 5.1.10 Frequency ・The present frequency is displayed.

  • Page 45: Conversion Value For Integral Export Power

    KW9M Eco-POWER METER 5.1.12 Conversion value for integral export power ・The conversion value for the present integral export active power (-P) is displayed. (Only total conversion value is displayed for 3P3W.) ・Press <SHIFT/▽> to change total, phase 1 (1 circuit), phase 2 (2 circuit) and phase 3 (3 circuit).

  • Page 46: Chapter 6 Communications

    KW9M Eco-POWER METER Chapter 6 Communications 6.1 Communication 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 • Response with data Command When master sends reading command, slave responds with the Data corresponding set value or current status.

  • Page 47: Mewtocol Communication

    KW9M Eco-POWER METER 6.3 MEWTOCOL Communication 6.3.1 Overview of MEWTOCOL-COM (RS485) ◆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.

  • Page 48: Data Register List

    KW9M Eco-POWER METER 6.3.2 Data Register List Data register Name Unit Kind of data Range Mewtocol: 1 to 99 DT00050 RS485 Device number Unsigned 16bit － Modbus: 1 to 247 DL/T645: 0 to 9999 RS485 0: 1200 1: 2400 2: 4800 DT00051 －...
  • Page 49 KW9M Eco-POWER METER Data register Name Unit Kind of data Range DT00100 Integral active power (1) 0.01kWh Unsigned 32bit 0 to 999999999 DT00101 DT00102 Integral active power (2) 0.01kWh Unsigned 32bit 0 to 999999999 DT00103 DT00104 Integral active power (3) 0.01kWh...
  • Page 50 KW9M Eco-POWER METER Data register Name Unit Kind of data Range DT00164 Voltage 1 0.1V Unsigned 32bit 0 to 999999999 DT00165 DT00166 Voltage 2 0.1V Unsigned 32bit 0 to 999999999 DT00167 DT00168 Voltage 3 0.1V Unsigned 32bit 0 to 999999999...
  • Page 51 KW9M Eco-POWER METER Data register Name Unit Kind of data Range DT00230 Integral export 0.001 Unsigned 32bit 0 to 999999999 reactive power (1) kvarh DT00231 DT00232 Integral export 0.001 Unsigned 32bit 0 to 999999999 DT00233 reactive power (2) kvarh DT00234 Integral export 0.001...

  • Page 52: Error Codes

    KW9M Eco-POWER METER Data register Name Unit Kind of data Range DT05040 Export power 0.01 Unsigned 32bit 0 to 999999999 conversion value (1) DT05041 DT05042 Export power 0.01 Unsigned 32bit 0 to 999999999 DT05043 conversion value (2) DT05044 Export power 0.01...

  • Page 53: Command

    KW9M Eco-POWER METER 6.3.4 Command Eco-POWER METER has 5 kinds of commands. Command name Code Explanation Read data area Reads the contents of data area. Write data to data area Writes data to a data area. Resister or Reset data monitored Resisters the data to be monitored.
  • Page 54 KW9M Eco-POWER METER ◆[MD]: Register or Reset data monitored (Registers the data to be monitored.) *Up to 16 points can be registered for one unit. ◇ Command (Register) Data specification ① Data specification Word No. Word No. Destination ％ ＃...

  • Page 55: Modbus (Rtu) Communication

    KW9M Eco-POWER METER 6.4 MODBUS (RTU) Communication 6.4.1 Overview of MODBUS (RTU) ◆8-bit binary data in command is transmitted as it is. Data format Start bit : 1 bit Data bit : 8 bits (Fixed) Parity : No parity, Even parity, Odd parity Selectable...
  • Page 56 KW9M Eco-POWER METER ◇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.
  • Page 57 KW9M Eco-POWER METER <3> Reset integral active power (0064H, 0065H: 2-word) of address 1 (When setting to 0 [0000, 0000H]) ・Command Number of Slave Function Data item Number of 3.5 idle data item to ⇒ address code data characters write...

  • Page 58: Data Register List (Modbus Communication)

    KW9M Eco-POWER METER 6.4.2 Data Register List (MODBUS communication) Function Data register Name Unit Kind of data Range: Hexadecimal code Mewtocol: 1H to 64H Unsigned 03H/ 0032H RS485 Device number － Modbus: 1H to F7H 16bit 06H/10H DL/T645: 0H to 270FH...
  • Page 59 KW9M Eco-POWER METER Function Data register Name Unit Kind of data Range: Hexadecimal code 0064H <LSB> Unsigned Integral active power (1) 0.01kWh 0H to 3B9AC9FFH 03H/10H 32bit 0065H <MSB> 0066H <LSB> Unsigned Integral active power (2) 0.01kWh 0H to 3B9AC9FFH...
  • Page 60 KW9M Eco-POWER METER Function Data register Name Unit Kind of data Range: Hexadecimal code 008CH <LSB> Instantaneous active 0.01kW Signed 32bit FA0A1F01H to 5F5E0FFH power (1) 008DH <MSB> 008EH <LSB> Instantaneous active 0.01kW Signed 32bit FA0A1F01H to 5F5E0FFH power (2) 008FH <MSB>...
  • Page 61 KW9M Eco-POWER METER Function Data register Name Unit Kind of data Range: Hexadecimal code 00C6H <LSB> 0.001 Unsigned Integral active power (1) 0H to 3B9AC9FFH 03H/10H 32bit 00C7H <MSB> 00C8H <LSB> 0.001 Unsigned Integral active power (2) 0H to 3B9AC9FFH...
  • Page 62 KW9M Eco-POWER METER Function Data register Name Unit Kind of data Range: Hexadecimal code 00FEH <LSB> Instantaneous apparent 0.001 Unsigned 0H to 5F5E0FFH power (1) 32bit 00FFH <MSB> 0100H <LSB> Instantaneous apparent 0.001 Unsigned 0H to 5F5E0FFH power (2) 32bit 0101H <MSB>...
  • Page 63 KW9M Eco-POWER METER note 1) 03H: Read 06H/10H: Write 2) Data register except specified is “0”. 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.

  • Page 64: Dl/T645-2007 Communication

    KW9M Eco-POWER METER 6.5 DL/T645-2007 communication 6.5.1 Overview of DL/T645-2007 Only 2007 version of DL/T645 is supported. Other version is not supported. ◆DL/T645-2007 transmission settings are as below. Transmission format 8bit Parity Even (fixed) Stop bit 1bit (fixed) Response time...
  • Page 65 KW9M Eco-POWER METER Control code (C) Transmission Slave response Subsequent Function code direction flag frame flag Item Contents Transmission direction (D7) Command frame from master Response frame from slave Slave response flag (D6) Slave response is correct. Slave response is wrong.
  • Page 66 KW9M Eco-POWER METER Check code (CS) It is lower 1 byte in total of all byte from frame start symbol to data field. Ex.) In case of that the transmission command is ‘68 01 00 00 00 00 00 68 11 04 33 33 34 33 CS 16’, Check code (CS) is as below.
  • Page 67 KW9M Eco-POWER METER Write data It is available only with pressing <MODE> key (programming key). Without pressing programming key, it doesn’t response. For data writing, authorization level (PA0) should be designated, but only ‘0’ is supported. For workers code, it doesn’t record and the code is fixed to ‘0’.
  • Page 68 KW9M Eco-POWER METER Change transmission speed It changes the transmission speed after it returns the response. ・Command from master; Control code 17H CS 16H Transmission speed Transmission address Control code (bit flag) Transmission speed [bps] Transmission speed Bit 7 38400...
  • Page 69 KW9M Eco-POWER METER Reset integral power It reset all integral power. For reset integral power, workers code should be designated, but it doesn’t record and the code is fixed to ‘0’. It is available only with pressing <MODE> key (programming key).

  • Page 70: Data List

    KW9M Eco-POWER METER 6.5.2 Data list Data identification Data Name unit byte range format 0:Mewtocol, 1:Modbus Transmission protocol ― 2:DL/T645 0:8bit-Odd, 1:8bit-None Transmission format ― 2:8bit-Even Stop bit ― 1, 2 Response time 1 to 99 CT type (2 1, 5...
  • Page 71 KW9M Eco-POWER METER Data identification Data Name unit byte range format Total instantaneous XX.XXXX kvar -79.999 to 79.999 reactive power Instantaneous reactive XX.XXXX kvar -79.999 to 79.999 power (1) Instantaneous reactive XX.XXXX kvar -79.999 to 79.999 power (2) Instantaneous reactive XX.XXXX...

  • Page 72: How To Install Usb Driver

    KW9M Eco-POWER METER 6.6 How to install USB driver It is necessary to install USB driver (kw9musb_vxxx.inf) for connecting KW9M Eco-POWER METER via USB communication. * Once installing USB driver, it is not necessary to install from the second time.

  • Page 73: Chapter 7 Specifications

    KW9M Eco-POWER METER Chapter 7 Specifications 7.1 Main unit 85 to 264V AC Supply voltage range 100 to 300V DC Rated frequency 50/60Hz Approx. 5VA (240V AC at 25℃) Nominal power consumption Approx. 3W (240V DC at 25℃) Inrush current 30A or less (240V AC/DC at 25℃)

  • Page 74: Input Specifications

    KW9M Eco-POWER METER 7.2 Input Specifications Measured data AC sine Single-phase two-wire (1P2W) (max.3-circuit) Single-phase three-wire (1P3W) Phase/wire system (common) Three-phase three wire (3P3W) Three-phase four-wire (3P4W) Applicable power system 100V system, 200V system, 400V system Measured frequency 50/60Hz 1.024MHz (approx.1.0μs)

  • Page 75: Communication Specifications

    Stop bit 1bit, 2bit (select with setting mode) *1 MEWTOCOL is the protocol for PLC from Panasonic. DL/T645 is the China power-meter standard. Only DL/T645-2007 is supported. *2 For RS485 converter on the computer side, we recommend SI-35 and SI-35USB (from LINE EYE Co.,Ltd.).

  • Page 76: Self-Diagnostic Function

    KW9M Eco-POWER METER 7.4 Self-diagnostic function If an error occurs, the following indication will be given. When several errors occur, [1] are indicated for the designated digits. Indicator Meaning To recover After recovery Change main unit due to 00000001 Hardware breakdown...
  • Page 77 KW9M Eco-POWER METER Chapter 8 Mounting 8.1 Dimensions 8.1.1 Main unit (Unit: mm) (Clearance: ±1.0) 8.2 Panel mounting (Unit: mm) For connected mounting n=numbers of mounting units...
  • Page 78 KW9M Eco-POWER METER <Indication on KW9M Eco-POWER METER> The alphabet is shown as below.

  • Page 79: Revision History

    KW9M Eco-POWER METER Revision History Issue Date Manual No. Content of revision November, 2012 WUME-KW9M-01 First edition...
  • Page 80 ©...

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