Panasonic KW9M User Manual
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Panasonic KW9M User Manual

Eco-power meter advanced type
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Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com

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  • Page 1 Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...
  • 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. Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 4: Table Of Contents

    Chapter 2 Parts Name and Working ......................5 2.1 Parts Names ............................5 2.2 Key’s functions ............................6 2.3 Indication on KW9M Eco-POWER METER ..................... 7 Chapter 3 Wiring............................8 3.1 Main unit terminal arrangement ....................... 8 3.2 Wiring Diagrams ............................ 10 3.3 How to attach the Current Transformer (CT) ..................
  • Page 5 Chapter 6 Display of each Value ......................65 6.1 Working of Monitor display ........................65 6.2 Working of Monitor Display ........................66 6.2.1 Single-phase two-wire system ...................... 66 6.2.2 Single-phase three-wire system ....................68 6.2.3 Three-phase three-wire system ....................71 6.2.4 Three-phase four-wire system ......................

  • Page 6: Cautions Before Using

    Cautions before using ■ About this product Eco-POWER METER is 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

    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: Measurement Items

    1.2 Measurement items Item Unit Display data range Active Present value Instantaneous Reactive kvar -99999 to 0.000 to 99999 Max. value power Min. value Apparent Active 0.000 to 9999999.9 Integral power Reactive kvarh * Total integral power (import) Present value (import) 0.000 to 29999999 Apparent...

  • Page 10: Logging Items

    ・Demand Item Unit Display data range Active Reactive kvar Apparent Present demand 0.000 to 99999 Active (export) Reactive (export) kvar Current Estimated demand 0.000 to 99999 Ratio of estimated demand 0.000 to 99999 Integral power converted by pulse *2 0.000 to 999999.99 * Please use this demand function as your standard.
  • Page 11 <Glossary> Eco-POWER METER defines as below. Ratio of harmonic distortion (voltage or current) for the fundamental frequency. (total harmonic Lower the value shows that the distortion is less. distortion) Sinusoidal wave other than fundamental frequency. It has frequency that is whole-number multiple of the fundamental frequency. Harmonics The frequency that has 2 times frequency (half wavelength) is called 2 -order...

  • Page 12: Chapter 2 Parts Name And Working

    Chapter 2 Parts Name and Working 2.1 Parts Names <Front> <Back> Measuring mode Indicate the measuring item 1) Item indicator Setting mode Indicate the setting item 2) Auxiliary mark Measuring mode Indicate the power condition 3) TX/RX mark Measuring mode Blinking while communication 4) Load ratio indicator Measuring mode...

  • Page 13: Key's Functions

    *1 Auxiliary mark [LEAD] [LAG] indicates the phase difference between voltage and current. When current phase delays to voltage phase, [LAG] is indicated. When current phase leads to voltage phase, [LEAD] is indicated. When power factor is ‘1’, ‘0’ and ‘-1’, it doesn’t display [LEAD] nor [LAG]. 2.2 Key’s functions Functions Measuring mode...

  • Page 14: Indication On Kw9M Eco-Power Meter

    2.3 Indication on KW9M Eco-POWER METER The alphabet is shown as below. Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 15: Chapter 3 Wiring

    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. Therefore it is necessary to install them in the circuit near this unit.
  • Page 16 The input voltage to each terminal is as follows. Terminal Phase and wire system Terminal No. Input voltage 1 - 2 Power 85-264V AC [ 85-264V Single-phase two-wire supply (L+ - N－) 100-300V DC [100-300V 3 - 6 0-500VAC [0-500V (L-L) Single-phase two-wire (V1-Vn)

  • Page 17: Wiring Diagrams

    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 18 Three-phase four-wire system *3 CTs are needed to measure three-phase four-wire system. Vn terminal should be connected to N-phase which is grounded. ◆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 19: How To Attach The Current Transformer (Ct)

    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. ・One CT is needed for 1 unit when measuring 1P2W (2 CTs for 2-circuit, 3CTs for 3-circuit).
  • Page 20 (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 21: For Input Connection

    3.4 For Input Connection ●Pulse input ・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.

  • Page 22: Rs485 Communication

    ・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 Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 23: Backup Battery For Clock

    Recommended Cable Use the transmission cables shown below for Eco-POWER METER RS485 communication system. Conductor Insulator Cable Resistance Cable Applicable cable diameter Size Material Thickness (at 20℃） HITACHI 1.25 mm KPEV-S Max. Approx. (AWG16) Polyethylene Max.16.8Ω/km 0.5 mm 8.5 mm 1.25 mm ×1P or more...

  • Page 24: Low Voltage Directive

    3.8 Low Voltage Directive For using under the measurement category III, install varistors or SPD between the lines of power supply and the measured voltage input. Use the varistors or SPD which is complied with European standard and specifications to meet power supply and added current. When using in the application conforming to EN61010-1/IEC61010-1, make sure to satisfy the following conditions.

  • Page 25: Chapter 4 Settings

    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 26 ◆Parameters for pulse input Item Range Initial value Pulse input (IN1) 30, Clock (clock correction) Clock correction time 00:00 to 23:59 00:00 Pulse input (IN2) 30, 2000 Pre-scale (IN1,IN2) 0.001 to 100.000 1.000 0.0001, 0.001, 0.01, 0.1, 1, 10, 100 (kWh/1pulse) AL-S, AL-oV, AL-uV, AL-C, AL-uC, Unit for pulse output...
  • Page 27 Item Range Initial value Power demand alarm power P, Q, S, -P, -Q type (ON/OFF) (OUT1,OUT2) Power demand alarm 0.000 to 99999.999 [kW/kvar/kVA] threshold(ON/OFF)(OUT1,OUT2) Power demand alarm 0 to 100% [%] hysteresis (OUT1,OUT2) Power demand alarm start time 1 to 30 [min.] (OUT1,OUT2) Current demand alarm 0.0 to 120.0 [%]...
  • Page 28 T1, T2, T3, T4, OFF Program 9 start-time 00:00 to 23:59 ― time-zone T1, T2, T3, T4, OFF Program 10 start-time 00:00 to 23:59 ― <Initial setting for time program > KW9M 4-term(PG-4) 6-term(PG-6) 7-term(PG-7) 3-term(PG-3) 5-term(PG-5) 8-term(PG-8) 2-term(PG-2) 1-term(PG-1) ◆Calendar timer Item Range...

  • Page 29: Setting Flow

    4.1 Setting Flow Arrow mark means press each key <MODE> <ITEM/△> <SET> <SHIFT/▽> Measuring value display Enter password Setting mode 【Power 【Optional functions】 【Demand】 【Pulse】 【Communication】 measurement】 【Time program】 【Calendar timer】 【Password】 Power demand Phase/Wire Pulse input 1 Protocol (To next page) type Power demand Clock...
  • Page 30 Setting mode 【Optional 【Time program】 【Calendar timer】 【Password】 【Communication】 functions】 (To previous page) Password Auto-off Program 1 Calendar timer setting Program 2 Luminance Program 3 Program 7 Alarm blinking Reset integral Program 4 Program 8 Update cycle value 2 *6 Reset integral Program 5 Program 9...

  • Page 31: Password Entry

    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. Press <MODE>...

  • Page 32: Password Initialize

    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 33: How To Set

    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 34 Rated voltage Set the rated voltage to measure. Press <ITEM/△>, <SHIFT/▽> to set the rated voltage. [Set range] 100 to 500 (initial:100) Increase decrease 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/▽>...
  • Page 35 Under voltage / Under voltage 2 Set a ratio of voltage for rated voltage used for threshold to judge under voltage and to clear the under voltage. At [under volt] window set a ratio of voltage to judge under voltage. Press <ITEM/△>, <SHIFT/▽>...
  • Page 36 Under current / Under current 2 Set a ratio of current for rated current used for threshold to judge under current and to clear the under current. At [under curr] window set a ratio of current to judge under current. Press <ITEM/△>, <SHIFT/▽>...

  • Page 37: Settings For Demand Measurement

    4.4.2 Settings for demand measurement Power demand type Select type of power demand measurement. Press <ITEM/△>, <SHIFT/▽> to select power demand type. [Set list] Peak (peak demand), Slide (sliding block), Fixed (fixed block), 30min (30-min demand) (initial: Peak) Power demand interval 1 * It skips this when [Peak] or [30min] is set for power demand type.
  • Page 38 Power input type *It is only when [30min] is selected for power demand type. Select input type to use for demand measurement, current measurement or pulse input. ‘CT’; Use current measurement via CT for demand measurement. ‘PM’; Use pulse input for demand measurement. Count value by pulse input2 is used for power input.
  • Page 39 Current demand interval Set interval to use for current demand calculation. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 1 to 60 min. (initial: 15) Increase Decrease Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 40: Settings For Pulse Measurement

    * It skips when [30] is selected for Pulse input IN1. Set time to correct the clock by using pulse input IN1. *If KW9M clock is different 1-hour or more from the setting time when pulse is input to IN1, it doesn’t correct the clock.
  • Page 41 Unit for pulse output OUT1 OUT2 Set unit used for pulse output. Press <ITEM/△>, <SHIFT/▽> to select unit for pulse output. ↓ To the next page Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...
  • Page 42 * [AL-PD] is skip when [Peak] is selected for Power demand type. [Set list] integral value (kWh/1pulse): 0.0001, 0.001, 0.01, 0.1, 1, 10, 100, AL-S (stand-by alarm), AL-uV (under voltage alarm), AL-oV (over voltage alarm), AL-MS (power interruption alarm), AL-uC (under current alarm), AL-C (current alarm), AL-P (active power alarm), AL-Q (reactive power alarm), AL-S (apparent power alarm), AL-PF (power factor alarm), AL-oF (over frequency alarm), AL-uF (under frequency alarm), AL-VH (voltage harmonics alarm), AL-CH (current harmonics alarm),...
  • Page 43 Target phase for pulse output/ alarm (OUT1 OUT2) *It skips when [AL-VU, AL-CU, AL-PD, Cnt1, Cnt2, PL-L] is selected for unit for pulse output. Select phase to monitor in order to judge the output. It differs according to the setting unit and phase/wire systems. Press <ITEM/△>, <SHIFT/▽>...
  • Page 44 Direction of integral power for pulse output (OUT1 OUT2) Select the direction of power (import or export) for using as a threshold for pulse output when unit for pulse output set to ‘integral value’. Press <ITEM/△>, <SHIFT/▽> to select. [Set list] P(import), -P(export) (initial: P) Stand-by power alarm (threshold) (OUT1 OUT2) * It is only when [AL-S] is selected for unit for pulse output.
  • Page 45 Active power alarm threshold (OUT1 OUT2) * It is only when [AL-P] is selected for unit for pulse output. Set a value of instantaneous active power to use for alarm output. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0.0 to 2999999.9 (initial: 2999999.9) Increase Decrease Active power alarm OFF threshold (OUT1 OUT2)
  • Page 46 Apparent power alarm threshold (OUT1 OUT2) * It is only when [AL-S] is selected for unit for pulse output. Set a value of instantaneous apparent power to use for alarm output. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0.0 to 2999999.9 (initial: 2999999.9) Increase decrease Apparent power alarm OFF threshold (OUT1 OUT2)
  • Page 47 Over frequency alarm threshold (OUT1 OUT2) * It is only when [AL-oF] is selected for unit for pulse output. Set a value of frequency to use for alarm output. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0.00 to 100.00 [Hz] (initial:100.00) Increase decrease Over frequency alarm OFF threshold (OUT1 OUT2)
  • Page 48 Voltage harmonics alarm threshold (OUT1 OUT2) * It is only when [AL-VH] is selected for unit for pulse output. Set a value of voltage harmonics to use for alarm output. When one of 2 to 31-order harmonics exceeds the setting threshold, it output alarm. Press <ITEM/△>, <SHIFT/▽>...
  • Page 49 Voltage THD alarm threshold (OUT1 OUT2) * It is only when [AL-VT] is selected for unit for pulse output. Set a value of voltage THD to use for alarm output. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0.00 to 400.00 [%] (initial: 400.00) Increase decrease Voltage THD alarm OFF threshold (OUT1 OUT2)
  • Page 50 Voltage unbalancing alarm threshold (OUT1 OUT2) * It is only when [AL-VU] is selected for unit for pulse output. Set an unbalancing to use for alarm output. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0.00 to 999.99 [%] (initial: 999.99) Increase decrease Voltage unbalancing alarm OFF threshold (OUT1 OUT2)
  • Page 51 Power type for power demand alarm * It is only when [Slide] or [Fixed] is selected for power demand type, and when [AL-PD] is selected for unit for pulse output. Select power type to use for power demand alarm. Press <ITEM/△>, <SHIFT/▽> to set. [Set list] P (active power), Q (reactive power), S (apparent power), -P (active power (export)), -Q (reactive power (export)) (initial: P (active power))
  • Page 52 Power demand alarm hysteresis (OUT1 OUT2) * It is only when [30min] is selected for power demand type, and when [AL-PD] is selected for unit for pulse output. Set hysteresis to clear timing of power demand alarm. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0 to 100% [%] (initial: 0) Increase Decrease...
  • Page 53 Preset value (OUT1 OUT2) * It is only when [Cnt1] or [Cnt2] is selected for unit for pulse output. Set count value to output pulse. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 0(0.000) to 999999(999.999) (initial: 0) Increase decrease Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 54: Settings For Communication

    4.4.4 Settings for communication Protocol 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. [Set list] MEWT(MEWTOCOL), MODr (MODBUS(RTU)), 645(DL/T645-2007) (initial: MEWT) Device number...
  • Page 55 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) (initial: 8b-o) Stop bit *Select [1] when [645] is set for the protocol.

  • Page 56: Settings For Optional Functions

    4.4.5 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) increase decrease Always turn on...
  • Page 57 Update cycle Set update cycle for measuring window. It updates the display of measured values every setting time. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] 100 to 1000ms (initial:100) Increase decrease Auto-display It shifts items of each integral value automatically. When it passes the setting time after key operation, the integral value is shifted automatically.
  • Page 58 Temperature correction The measured temperature can be corrected to display. Press <ITEM/△>, <SHIFT/▽> to set. [Set range] -100.0 to 100.0 (initial: 0.0) increase decrease Reset all integral value Integral power (active, reactive, apparent) can be reset at one time. Press <ITEM/△>, <SHIFT/▽> to select. [Set list] YES, NO (initial: NO) Reset all : [YES] Not reset : [NO]...
  • Page 59 Reset integral value 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. [Set list] YES, NO (initial: NO) Reset : [YES] Not reset : [NO]...
  • Page 60 Reset count value 2 *It skips this item when [YES] is selected for reset all integral value. Reset the count value 2. Press <ITEM/△>, <SHIFT/▽> to select. [Set list] YES, NO (initial: NO) Reset : [YES] Not reset : [NO] * In case of that [PM] is selected for power input type, it reset the electric power converted by pulse.

  • Page 61: Settings For Time Program

    4.4.6 Settings for time program Time program 1 to 10 You can set 10-type time program. Set start time and end time for each time-zone and use it with setting conversion rate. Refer to 5.2 Time-zone setting function in detail. *End time Start time of PG-2 is set as the end time of PG-1.

  • Page 62: Settings For Calendar Timer

    4.4.7 Settings for calendar timer Calendar timer Set the year, month, day and time. ・Setting range is from January 1,2013 00:00 to December 31, 2099 23:59. Set the date and time to use logging function. Press <SET> and year, month, date, time are blinking in turn. With blinking the setting item and press <ITEM/△>...

  • Page 63: Password Setting

    4.4.8 Password setting Password setting 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. Set password using <ITEM/△>, <SHIFT/▽>.

  • Page 64: Confirmation Window

    4.4.9 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 Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 65: Chapter 5 Various Functions

    Chapter 5 Various Functions 5.1 Pulse output function You can use 2-type pulse output, OUT1 and OUT2. Refer to 4.4.3 Settings for pulse measurement for setting. [OUT1][OUT2] are blinking when pulse output. Time and date when pulse is output are recorded up to 10-record for each OUT1 and OUT2. 5.1.1 Output depends on integral electric power Set the unit for pulse output of integral power value and pulse output turns on every time when integral electric power reaches the unit.

  • Page 66: Other Alarms

    5.1.9 Other alarms Output turns on or off according to each alarm setting. PF alarm, over frequency alarm, under frequency alarm, voltage harmonics alarm, current harmonics alarm、voltage THD alarm, current THD alarm, voltage unbalancing alarm, current unbalancing alarm, power demand alarm, current demand alarm 5.1.10 Output depends on count value Set the preset value and pulse output turns on the time when count value reaches the preset value.

  • Page 67: Clock Correction Function

    5.3 Clock Correction Function The clock in KW9M Eco-POWER METER can be set by pulse input when you set pulse input IN1 to [Clock]. However, the clock is different 1-hour or more from the setting time, it doesn’t correct. 5.4 Demand function You can select demand calculation methods for KW9M Eco-POWER METER from the belows.

  • Page 68: 30-Min Demand

    Fixed block Set power interval by 1 to 60 (min.) (every 1-min.) It calculates demand during latest finished interval and displays. After one interval finishes, the next interval starts. Calculate demand Calculate demand during 0 to 15 min. during 15 to 30 min. 15-min.
  • Page 69 ◆Working outline for additional Estimated demand (kW) Threshold (kW) Alarm output Present demand (kW) ◆Working outline for average Estimated demand (kW) Threshold (kW) Alarm output Present demand (kW) (kW) ⊿t Start 0/30 [min.] 30/60 [min.] Mask time (1 to 30min.) 　　　no output 　　　　　　　　　set at 'Power demand alarm start time'.
  • Page 70 <Present demand (PV)> It shows demand value from the time when demand span starts to present time. [Calculation] CT input (calculated by Eco-POWER METER) Present Integral electric power 60 (min. × demand (kW) until present from the start 30 (min.) Demand span Integral electric power ×...

  • Page 71: Current Demand

    5.4.4 Current Demand Current demand calculates the demand based on a thermal demand meter. Current demand = (Average of current – last current demand value) × 90%(fixed) + Last current demand value In case of that a stable current flows for interval time, 90% of current value is displayed. time interval 5.4.5 Max.

  • Page 72: Chapter 6 Display Of Each Value

    Chapter 6 Display of each Value 6.1 Working of Monitor display 【Shift the display mode】 Press <SHIFT/▽> during pressing <MODE>, it shifts measuring mode, logging mode and demand mode. Press <MODE> to shift the setting mode. initial Power monitoring <MODE> mode <MODE>+<SHIFT/▽>...

  • Page 73: Working Of Monitor Display

    6.2 Working of Monitor Display 6.2.1 Single-phase two-wire system Arrow mark shows to press each key. <ITEM/△> SHIFT/▽> Instantaneous power Active Reactive Apparent Each-circuit instantaneous power circuit circuit circuit Total integral power Active Reactive Apparent Total integral export power Active Reactive circuit integral power Active...
  • Page 74 From the previous page Current Voltage Power factor Frequency Current THD Voltage THD Current n-order harmonics ・・・・・ Voltage n-order harmonics ・・・・・ Pulse input value Pulse input 1 Pulse input 2 Conversion value P (integral power) Total circuit circuit circuit Conversion value -P (integral export power) Total circuit circuit...

  • Page 75: Single-Phase Three-Wire System

    6.2.2 Single-phase three-wire system Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> 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 Reactive Phase 1 integral power Active Reactive Apparent...
  • Page 76 From the previous page 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 order order order ・・・・・ Phase-voltage n-order Harmonics order order order ・・・・・ Line-voltage n-order Harmonics order order order...
  • Page 77 From the previous page Conversion value P (integral power) Total Phase 1 Phase 2 Phase 3 Change time-zone Conversion value -P (integral export power) Total Phase 1 Phase 2 Phase 3 Change time-zone Temperature Calendar timer Return to instantaneous power Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 78: Three-Phase Three-Wire System

    6.2.3 Three-phase three-wire system Arrow mark shows to press each key. <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 order...
  • Page 79 From the previous page Line-voltage n-order Harmonics order order order ・・・・・ Pulse input value Pulse input 1 Pulse input 2 To next page Conversion value P (integral power) Change time-zone Conversion value -P (integral export power) Change time-zone Temperature Calendar timer Return to instantaneous power Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 80: Three-Phase Four-Wire System

    6.2.4 Three-phase four-wire system Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> 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 Reactive Phase 1 integral power Active Reactive Apparent...
  • Page 81 From the previous page Current Current N-phase current Voltage Phase-voltage Line-voltage Power factor Frequency Current unbalancing Voltage unbalancing Current THD Voltage THD Current n-order Harmonics order order order ・・・・・ Phase-voltage n-order Harmonics order order order ・・・・・ Line-voltage n-order Harmonics order order order ・・・・・...
  • Page 82 From the previous page Conversion value P (integral power) Total Phase 1 Phase 2 Phase 3 Change time-zone Conversion value -P (integral export power) Total Phase 1 Phase 2 Phase 3 Change time-zone Temperature Calendar timer Return to instantaneous power Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...
  • Page 83 ●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 are not displayed according to the phase/wire system, are skipped Total integral active power Total integral export active power ↓...

  • Page 84: Instantaneous Power

    6.2.5 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 3P4W circuit R-phase R-phase circuit S-phase...

  • Page 85: Total Integral Power

    6.2.7 Total integral power ・The present total integral power is displayed. ・Press <SHIFT/▽> to change active, reactive and apparent. ・Press <SET> to change the display with each time-zone. After changing, press <SET> to change displayed time-zone. time-zone1(T1) →time-zone2(T2) →time-zone3(T3) →time-zone4(T4) →All time-zone *Time-zone without setting for any time program is not displayed.

  • Page 86: Total Integral Export Power

    6.2.8 Total integral export power ・The present total export power is displayed. ・Press <SHIFT/▽> to change active, reactive and apparent. ・Press <SET＞ to change display with each time-zone. After changing, press <SET> to change displayed time-zone. time-zone1(T1) →time-zone2(T2) →time-zone3(T3) →time-zone4(T4) →All time-zone *Time-zone without setting for any time program is not displayed.

  • Page 87: Integral Power Of Each Phase / Each Circuit

    6.2.9 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. ・Press <SET> to change the display with each time-zone. After changing, press <SET>...

  • Page 88: Integral Export Power Of Each Phase / Each Circuit

    6.2.10 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. ・Press <SET> to change the display with each time-zone. After changing, press <SET>...

  • Page 89: Current

    6.2.11 Current ・The present current value is displayed. (N-phase current is displayed for 3P4W.) ・It measures from 0.1% of CT secondary current. ・When input current exceeds 200% or the display range, it displays “- - - - -“. Check and confirm the measurement environment. ・Current measuring points Eco-POWER METER measures the current as below.

  • Page 90: Power Factor

    6.2.13 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. 6.2.14 Frequency ・The present frequency is displayed. <1P2W/1P3W/3P4W>...

  • Page 91: Current Thd

    6.2.17 Current THD ・The present THD for current is displayed. 6.2.18 Voltage THD ・The present THD for voltage displayed. 6.2.19 Current n-order Harmonics ・The present current n-order harmonics is displayed. ・Press <SHIFT/▽> to change display. order, 3 order, 4 order ・・・・・ up to 31 order 6.2.20 Voltage n-order Harmonics ・The present voltage n-order harmonics is displayed.

  • Page 92: Pulse Input Value

    6.2.21 Pulse Input Value ・The present pulse input value is displayed. ・Press <SHIFT/▽> to change CNT1, CNT2. CNT1 is not displayed when CNT1 is set to [Clock] (clock correction). ・Pulse input status (ON or OFF) is confirmed via communication. (MEWTOCOL and MODBUS) Pulse input 1 Pulse input 2 *Turn on the unit during IN1 or IN2 is shorted, first 1-pulse is not counted and it doesn’t light on [IN1]...

  • Page 93: Conversion Value For Integral Export Power

    <3P3W> Total *The conversion value exceeds “99999999”, “－－－－－－－－” is displayed. Check and confirm the measurement environment. 6.2.23 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/▽>...

  • Page 94: Temperature

    6.2.24 Temperature ・The present temperature is displayed. ・Temperature measuring function is the simple function Use this only to check temperature trend and do not use for control. ・It measures by built-in thermistor, therefore it differs the measuring value according to the internal circuit conditions (communication, input current).

  • Page 95: Working Of Logging Mode

    6.3 Working of Logging Mode Each measured value is displayed as below. It differs according to the selected phase/wire system. Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> <SET> <SET>+<ITEM/△> Active power peak demand (this month) All time-zone time-zone① time-zone②...
  • Page 96 Active power This month Max. This month Min. Change month Reactive power This month Max. This month Min. Change month Apparent power This month Max. This month Min. Change month Active power (export) This month Max. This month Min. Change month Reactive power (export) This month Max.
  • Page 97 Phase1 Integral active power (All time-zone) 1-month 2-month 11-month this month ・・・・・ before before before Change time-zone Phase1 Integral reactive power (All time-zone) 1-month 2-month 11-month this month ・・・・・ before before before Change time-zone Phase1 Integral apparent power (All time-zone) 1-month 2-month 11-month...
  • Page 98 Phase3 Integral active power (All time-zone) 1-month 2-month 11-month this month ・・・・・ before before before Change time-zone Phase3 Integral reactive power (All time-zone) 2-month 11-month 1-month this month ・・・・・ before before before Change time-zone Phase3 Integral apparent power (All time-zone) 1-month 2-month 11-month...
  • Page 99 Frequency This month Max. This month Min. Change month Current unbalance This month Max. This month Min. Change month Voltage unbalancing This month Max. This month Min. Change month Return to Active power peak demand (this month) It differs the displayed items according to the phase and wire system. Some items are not displayed. Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 100: Max. Demand Value

    6.3.1 Max. demand value ・Log data of peak demand is displayed. ・Press <SHIFT/▽> to change displayed time-zone. All time-zone → time-zone1(T1) → time-zone2(T2) → time-zone3(T3) → time-zone4(T4) ・Press <SET> to change the display with each month. 1-month before →2-month before →3-month before →・・・・・(12-month before) *Time-zone without setting for any time program is not displayed.

  • Page 101: Max. / Min. Value Of Electric Power

    6.3.2 Max. / Min. value of electric power ・Log data of max. and min. value for electric power is displayed. ・Press <SHIFT/▽> to change max. and min. ・Press <SET> to change displayed month. 1-month before →2-month before →3-month before →・・・・・(12-month before) *If the setting of phase and wire system is changed, log data of max.

  • Page 102: Integral Power

    6.3.3 Integral power ・Log data of integral power is displayed. ・Press <SHIFT/▽> to change displayed month. 1-month before →2-month before →3-month before →・・・・・(12-month before) ・Press <SET> to change displayed time-zone. All time-zone → time-zone1(T1) → time-zone2(T2) → time-zone3(T3) → time-zone4(T4) *If the setting of phase and wire system is changed, log data of max.

  • Page 103: Max. /Min. Value Of Each Measured Value

    6.3.4 Max. /Min. value of each measured value ・Log data of max. and min. value for current, voltage, power factor frequency, current unbalancing, voltage unbalancing is displayed. ・Press <SHIFT/▽> to change max. and min. ・Press <SET> to change displayed month. 1-month before →2-month before →3-month before →・・・・・(12-month before) *If the setting of phase and wire system is changed, log data of max.
  • Page 104 Power factor display Item indicator Displayed month Indicator MAX/MIN Average Frequency display Item indicator Displayed month Indicator MAX/MIN Average Current unbalancing display Item indicator Displayed month Indicator MAX/MIN Voltage unbalancing display Item indicator Displayed month Indicator MAX/MIN Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 105: Working Of Demand Mode

    6.4 Working of Demand Mode Each measured value is displayed as below. It differs according to the selected demand type. 6.4.1 Peak Demand ・When peak demand is selected, present current demand is displayed. Other demand value is not displayed. 6.4.2 Block Interval Demand (Sliding block、fixed block) Arrow mark shows to press each key.
  • Page 106 Present power demand ・Each demand value is displayed. ・Press <SHIFT/▽> to change active power, reactive power, apparent power. ・Date and time when present demand is measured is displayed in lower 2 lines. Active power Reactive power Apparent power present demand present demand present demand * [－－－－－－－－] is displayed during the following cases.

  • Page 107: 30-Min. Demand

    Present current demand ・Present value of current demand is displayed. 6.4.3 30-min. Demand Arrow mark shows to press each key. <ITEM/△> <SHIFT/▽> <SET> <SET>+<ITEM/△> Active power demand Present demand Estimated demand Demand target value Ratio of estimated demand Integral power converted by pulse Present current demand Return to active power demand *1 only when [PULSE] is selected for power input type.
  • Page 108 Ratio of estimated demand ・Ratio of estimated demand is displayed. Ex.) Estimated demand: 2.5kW, Power demand alarm threshold: 5.0kW -> Ratio of estimated demand is 50.0%. * [－－－－－－－－] is displayed during the following cases. ・Until passing the setting time to start monitoring demand ・Demand value exceeds the display range ・Clock is changed between demand time span ・Until starting next time span at power failure...

  • Page 109: Chapter 7 How To Update The Firmware

    Use the latest KW Version Upgrade Tool. 7.1 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 110: How To Update The Firmware

    Connect Eco-POWER METER to PC via USB cable. 1) Start “KW Version Upgrade Tool”. 2) Select “KW9M” at Type, it changes the window for KW9M. 3) Set connected interface with [Environmental setting] and window appears for setting. Port is displayed automatically. If it is different, set it.
  • Page 111 4) Click [Refer] and it opens the window to select firmware. Select file to update “kw9m_verxxx_verup.kw9” and click [Open]. *You can download from our website the latest firmware. 5) When selected file name is displayed, click [Update]. When timed out error is occurred, check the below. ・Is Eco-POWER METER ready to update? ・Is USB cable connected correctly? ・Are communication port and timeout value...
  • Page 112 Click [Version] and it displays the current version. After it shows the version, you need to update the firmware if it is not necessary. If not, Eco-POWER METER can’t be used. When you have used KW Version Upgrade Tool before, it displays the last updated firmware.
  • Page 113 7) When it completes updating the firmware, the complete window will be appeared. Click [OK]. 8) Cell of unit that its firmware is updated correctly is blue. You can confirm with the display of Eco-POWER METER and the display will return to measuring. [When it doesn’t update correctly] After completing download, cell of unit that updating is failure is red.

  • Page 114: Chapter 8 Specifications

    Chapter 8 Specifications 8.1 Main unit 85 to 264V AC Supply voltage range 100 to 300V DC Rated frequency 50/60Hz Approx. 6VA (240V AC at 25℃) Nominal power consumption Approx. 3W (240V DC at 25℃) Inrush current 30A or less (240V AC/DC at 25℃) Allowable momentary 10ms...

  • Page 115: Input Specifications

    8.2 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 Sampling 1.024MHz (approx.1.0μs) Sampling rate 100ms Data update 22.5s for Harmonics (2...

  • Page 116: Output Specifications

    8.3 Output Specifications Number of output point 2 points *Insulate between output terminals Insulation method PhotoMOS relay Output type Output capacity 100mA, 30V AC/DC ・Pulse by integral power Output mode (OUT1/OUT2) ・Output by alarm or events (set with setting mode) Pulse width Approx.

  • Page 117: Input Specifications

    8.4 Input Specifications 2 points Number of input point *Not insulate between input terminals (COM is common.) Insulation method Designated insulation for input (insulate to the other functions) Input method Contact/ non-voltage a contact or open-collector ・Impedance; Max. 1kΩ (when short-circuit current: Max. 10mA) Input signal Non-voltage ・Residual voltage when shorted;...

  • Page 118: Demand Monitor And Control Specifications (Common To 9, 10)

    8.5 Demand monitor and control specifications (common to 9, 10) ・Peak demand ・IEC61557-12 demand 1. Sliding block interval Demand type 2. Fixed block interval 3. Current demand ・30-min demand (set with setting mode) Current transformer input (IEC demand /30-min demand)) Power input type Integral pulse input (only 30-min demand) (set with setting mode)

  • Page 119: 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 120: Self-Diagnostic Function

    8.7 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 the end of hardware Start with updating 00000100 Firmware update failure...

  • Page 121: Chapter 9 Mounting

    Chapter 9 Mounting 9.1 Dimensions 9.1.1 Main unit (Unit: mm) (Clearance: ±1.0) 9.2 Panel mounting (Unit: mm) For connected mounting n=numbers of mounting units Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

  • Page 122: Revision History

    Revision History Issue Date Manual No. Content of revision August, 2013 WUME-KW9MA-01 First edition September, 2013 WUME-KW9MA-02 edition -Add note for theree-phase four-wire system wiring -Add condition for Low voltage directive July, 2014 WUME-KW9MA-03 edition <Add functions> - Add the reset function with communication Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email: info@clrwtr.com...

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