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7. Installation

7.4. Wiring Diagram

For Input

Note

1. The voltage input terminals of 3-phase 3-wire system are different from those of other

systems.

2. If the VT and CT polarities are incorrect, measurement will not be correctly executed.
3. Do not wire the NC terminal.
4. For low voltage, it is not necessary to ground the VT and CT secondary sides.
5. Be sure to ground the earth terminal ( ) to use. The ground resistance is 100 ohm or less.

Improper ground may cause a malfunction.

For MODBUS RTU

Note

1. Use a shielded twisted pair cable for transmission signal line.

*For recommended cables, refer to

8.3 MODBUS RTU Communication Specifications

2. Install 120-Ohm terminating resistors between terminals

‘T/R+’ and ‘T/R-’ for devices at

both ends of MODBUS RTU communication line.

3. Use wires as thick as possible to ground for low impedance.
4. The transmission signal lines of MODBUS RTU communication must not be placed close

to or bound together with high voltage lines.

5. Perform one point grounding for the SLD terminal.

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Содержание ME96SSEB-MB

Страница 1: ...c Multi Measuring Instrument MODEL ME96SSEB MB User s Manual Detailed Edition Before use you should read this user s manual carefully to properly use this instrument Be sure to forward the manual to the end user ...

Страница 2: ...nual Digest version 1 A3 size Attachment lug with a screw 2 Optional plug in module The optional plug in modules cannot be attached to this product If you need a function such as analog output CC Link communication digital input output MODBUS TCP communication or logging function use other model ME96SSHB MB or ME96SSRB MB which can be combined with the optional plug in modules ...

Страница 3: ...e instrument fulfills the requirements of the CE marking UL standards KC mark and FCC IC The support function for checking input wiring enables to determine the wiring condition in the test mode When either a voltage input or current input is incorrectly wired the incorrect wiring part is displayed on the screen and it also shows a current phase angle a voltage phase angle and each value of active...

Страница 4: ...ttern P00 34 Example for Easy Setup 36 4 How to Use Test Mode 38 Test Menu 1 Communication Test 39 Test Menu 2 to 5 No Test Menu 40 Test Menu 6 Functions for Determining Incorrect Wiring 40 4 3 1 Incorrect Wiring Patterns Detected by Pattern display of incorrect wiring 43 5 Operation 46 Basic Operation 46 5 1 1 How to Switch the Measurement Screen 46 5 1 2 How to Switch Phase Display 46 5 1 3 How ...

Страница 5: ...plicable Electrical Wire 65 7 3 2 Wiring of the Unit 65 7 3 3 Check the connection 65 Wiring Diagram 67 8 Specifications 72 Product Specifications 72 Compatible Standards 73 MODBUS RTU Communication Specifications 73 Setting Table Factory Default Settings and Customer s Notes Settings 74 9 Appendix 75 ME96SS Calculation Method 3 phase Unbalanced System with Neutral 75 A List of Examples for Incorr...

Страница 6: ...n handle the instrument Precautions on use environment and conditions Do not use the instrument in the following circumstances Failure to follow the instruction may cause a malfunction or reduced product life time The ambient temperature exceeds the range 5 C to 55 C The average daily temperature exceeds 35 C The relative humidity exceeds the range 0 to 85 RH or condensing The altitude exceeds 200...

Страница 7: ...oapy water at once Do not work under live line condition Otherwise an instrument failure an electric shock or a fire may be caused When tapping or wiring take care not to enter any foreign objects such as chips or wire pieces into the instrument If you pull the wires with a strong force when connecting them to the terminals the terminals may come off Tensile load 39 2N or less Check the wiring dia...

Страница 8: ...l equipment must not be powered and be used after the definitive assembly on a cabinet door The rating of the terminal of external equipment should satisfy that of the external terminal of the instrument Precautions on maintenance Wipe dirt off the surface with a soft dry cloth Do not leave a chemical cloth in contact with the instrument for a long time or do not wipe it with benzene thinner or al...

Страница 9: ...ndstorms or floods Failures caused by the problem in question that could not be predicted with the technology available at the time the product was shipped Our company shall not be liable to compensate for any loss arising from events not attributable to our company customers opportunity loss or lost earnings due to failure of the product any loss secondary loss or accident caused by a special rea...

Страница 10: ...the installation to the cabinet is important not only for safety but also for conformance to EMC The instrument is examined in the following conditions A conductive cabinet must be used The conductivity of the six surfaces of the cabinet must be all ensured The cabinet must be grounded by thick wires for low impedance The hole drilling dimensions on the cabinet must be 10 cm or less in diameter Th...

Страница 11: ...age 1N phase V2N Voltage 2N phase V3N Voltage 3N phase VAVG L N Voltage average line to neutral W1 Active power 1 phase W2 Active power 2 phase W3 Active power 3 phase ΣW Active power total var1 Reactive power 1 phase var2 Reactive power 2 phase var3 Reactive power 3 phase Σvar Reactive power total VA1 Apparent power 1 phase VA2 Apparent power 2 phase VA3 Apparent power 3 phase ΣVA Apparent power ...

Страница 12: ...input C3 C3 Circuit current is input Voltage Input terminals P1 P2 P3 PN P1 NC P3 P2 Circuit voltage is input Terminal covers Auxiliary power input terminals MA MB Auxiliary power is connected Ground terminal Ground resistance 100 Ω or less MODBUS RTU communication terminals T R MODBUS RTU communication transmission terminal T R MODBUS RTU communication transmission terminal SG MODBUS RTU signal g...

Страница 13: ...p in the setting mode Blink in the setting confirmation mode 7 Test mode status Light up in the test mode 8 Clock status Light up when operating time is displayed 9 Upper lower limit alarm status Blink when the upper lower limit alarm is generating 10 Communication status Specification ON Blink OFF MODBUS RTU communication Normal Communication error such as wrong address 1 Hardware error 1 For det...

Страница 14: ...en Reset Wh varh and VAh to zero All measured values are reset to zero simultaneously Reset operating time to zero The operating time displayed on the screen only Reset the alarm displayed on the screen They are available only when set to manual alarm cancellation Reset all alarms at once For every item in every screen Stop the backlight blinking caused by alarm only when set to backlight blinking...

Страница 15: ... a function such as Reset Max Min value or Reset Wh varh and VAh to zero past data is deleted If you need to keep the data record the data before the reset operation When you execute Restart the instrument the entire measurement function measurement display communication will stop for a few seconds ...

Страница 16: ...nt Reset the settings to the factory default 3 How to Set up Setting confirmation mode Test mode This is a mode where you can confirm the setting of each item In this mode you cannot change the settings Therefore it is possible to prevent from accidentally changing the settings The mode provides test function available at startup of systems Communication Test Without measurement input voltage curr...

Страница 17: ...lated setting items and measured data Therefore check that beforehand For details refer to 3 11 Initialization of Related Items by Changing a Setting Measurement screen Setting Menu End End screen CANCEL screen Automatic shift Demand current time period CT current VT Direct voltage Display pattern Phase wire system Setting Menu 1 Setting Menu 2 Setting Menu 3 Cancel the settings Save the settings ...

Страница 18: ...Mode Arrow mark Action Button operation Enter the setting mode from the operating mode Press simultaneously Enter the setting confirmation mode from the operating mode Press for 2 seconds Select the menu number to set up or End or Press several times Enter the setting screen Shift to the next setting item Press Return to the previous setting item Press Omitted Select a set value or Press several t...

Страница 19: ...Select a setting Press or button Fast forward by pressing for 1 second or more Determine a setting Press button When the setting is determined the screen will shift to the next setting item Return to the previous setting item Press button The setting before return is enabled Return to the setting menu during setup Press button for 1 second SET DISPLAY SET ...

Страница 20: ...additional settings are necessary to display Select P00 and set up the display order and position 1 When set to 3 phase 4 wire system Display Pattern Current Current N phase Current Demand Current demand N phase Voltage Active Power Reactive Power Apparent Power Power Factor Frequency Active Energy Imported Reactive Energy Apparent Energy Additional Screen Note Active Energy Imported Exported Reac...

Страница 21: ...enu 8 Operating time display 3 9 To display the additional screen of active reactive apparent energy of P00 you must set each item as display element Set the settings for VT For direct measurement input without VT Select no and then press Follow the settings of 1 For measurement with VT Select yES and then press Follow the settings of 2 1 When set to 3 phase 4 wire system 2 When set to 3 phase 3 w...

Страница 22: ... shift to the next setting item 1 A 5 A DISPLAY SET SET SET Continued form the previous page 2 For measurement with VT Secondary voltage setting a When set to 3 phase 4 wire system Phase voltage 63 5 V 100 V 110 V 115 V 120 V b When set to 3 phase 3 wire 2CT 3CT 1 phase 2 wire Line voltage Primary voltage setting The factory default settings For 3 phase 4 wire system 200 V Phase voltage For 3 phse...

Страница 23: ...t However active reactive energy will not be reset For details refer to 3 11 Initialization of Related Items by Changing a Setting SET Set the current demand time period For detail on the current demand time period refer to 5 1 13 Note Even when you set a display pattern that does not display current demand this screen appears If current demand is not necessary just press Current demand time perio...

Страница 24: ... settings or shift to other setting menu Setting Menu Set the parity of MODBUS RTU communication MODBUS RTU Parity non odd even EVEn Set the baud rate of MODBUS RTU communication MODBUS RTU Baud rate 2400 bps 4800 bps 9600 bps 19 2 kbps 38 4 kbps Set the address of MODBUS RTU communication Settable address 1 to 255 MODBUS RTU Address Set the stop bit of MODBUS RTU communication MODBUS RTU Stop bit...

Страница 25: ... 4 quadrant measurement Ⅳ Note For details on how to measure reactive energy refer to 5 1 11 Combination Ⅰ Ⅱ They are suitable for measuring systems without a private power generator or measuring reactive power of capacitor load where power factor is around zero generally Combination Ⅲ Ⅳ They are suitable for measuring systems with a private power generator Display exapmles When Wh or varh is sele...

Страница 26: ...quickly for you to read the display value set it to 1 second The default setting is 0 5 second 0 5 second 1 second Display update time Select a backlight setting from Auto or HoLd Backlight Auto off ON Auto HoLd When the backlight is set to Auto No button operation for 5 minutes OFF Button operation during off Note ON for 5 minutes Note During OFF mode when you operate any button the backlight lig...

Страница 27: ...When set to other than 3 phase 4 wire system Upper Lower limit alarm item 1 Note1 The measuring elements not included in the display pattern you set can be selected Display for selection of A upper limit var upper limit var lower limit PF upper limit PF lower limit Hz upper limit Hz lower limit HI total upper limit HIN total upper limit THDV upper limit non A upper limit A lower limit AN upper lim...

Страница 28: ...mit 1 to 35 to 120 1 THDv total upper limit 0 5 to 3 5 to 20 0 0 5 Note W and var show the percentage ratio of a standard value For details about how to calculate the standard value refer to 6 2 Standard Value A AN DA DAN the total RMS value of harmonic current and the total RMS value of harmonic current N phase show the percentage ratio of the CT primary current setting V shows the percentage rat...

Страница 29: ... press to move to 1 below 1 Motor starting current threshold Set the threshold to detect motor starting current Setting range Setting step Note 3 to 5 to 120 1 Note This is the percentage of the CT primary current setting 2 Motor starting current delay time During the delay time after motor starting current is detected neither a maximum value update nor an alarm is generated Motor starting current...

Страница 30: ...ponding function in this model Setting Menu 7 No Settings This setting item is not displayed because there is no corresponding function in this model Even if you select 6 in the setting menu the item is not displayed Setting Menu Even if you select 7 in the setting menu the item is not displayed Setting Menu ...

Страница 31: ... When you set the counting target of operating time 1 to voltage If you select min the operating time will be counted at voltage display of other than 0 V Operating time 1 Threshold min 1 to 120 Setting step 1 min 20 to 120 Setting step 1 Select 8 in the setting menu Refer to the right figure Setting Menu Set whether to display the operating time which integrates input time of count target and is ...

Страница 32: ...For each measuring item display during power transmission refer to 5 1 12 For calculation method for ME96SS refer to 9 1 IEC mode settings oFF on Normal mode IEC mode According to 3 1 Setting Flow complete the settings or shift to other setting menu Setting Menu SET DISPLAY Set the threshold of operating time 2 count The setting method is the same as Operating time 1 Threshold Operating time 2 Thr...

Страница 33: ...ing mode press for 2 seconds or more and then set the setting confirmation menu number to 9 to enter the test mode For details on how to use the test mode refer to 4 How to Use Test Mode SET SET In the setting confirmation menu the screen switching and operation methods are the same as the setting menu 1 to 8 For details refer to each setting menu Note In the setting confirmation mode setting chan...

Страница 34: ...mum Minimum value Power factor Maximum Minimum value Frequency Maximum Minimum value Harmonic current Maximum value Harmonic voltage Maximum value It turns to the default setting It turns to the default setting according to the phase wire system Note For 1 phase 3 wire system the setting change between 1N2 display and 1N3 display does not cause initialization Initialization of All Settings The fol...

Страница 35: ... line Item 4 First line Item 5 Second line Item 6 Third line Item 7 Fourth line Item 8 First line Item 9 Second line Item 10 Third line Item 11 Fourth line Item 12 First line Item 13 Second line Item 14 Third line Item 15 Fourth line Item 16 DISPLAY DISPLAY DISPLAY Screen 4 1 Screen 4 4 Screen 4 3 Screen 4 2 DISPLAY First line DA Second line V Third line Fourth line Lower stage Wh First line W Sec...

Страница 36: ...ng of the upper line in the screen 4 1 PHASE Continued form the previous page 6 You will set up the display of screen 4 2 Select yES with or and then press When the screen 2 is not necessary to display select no and press 7 Set the first line to W in the screen 4 2 Select W with or and then press 8 Set the second line to var in the screen 4 2 Select var with or and then press 9 Set the third line ...

Страница 37: ...tory default is set to 3P4 3 phase 4 wire Just press SET Phase wire system The factory default is set to P01 Just press SET Display pattern The factory default is set to no Without VT Just press SET VT Direct voltage The factory default is set to 220 380 V Just press SET Direct voltage The factory default is set to 5 A Just press SET CT secondary current Set to 200 A and then press SET CTprimary c...

Страница 38: ... RTU Baud rates The factory default is set to EVEn even Just press SET MODBUS RTU Parity The factory default is set to 1 Just press SET MODBUS RTU Stop bit Set the setting menu number to End and then press SET Setting Menu Press SET again to determine the setting change End screen Measurement begins according to the settings you set up Operating mode SET SET SET SET SET SET ...

Страница 39: ...rent phase angle a voltage phase angle and active power voltage and current value of each phase By checking each display and 9 2 A List of Examples for Incorrect Wiring Display it is easier to determine incorrect wiring for measurement voltage current input Note The function cannot determine all incorrect wiring If both a voltage input and a current input are incorrectly wired a different pattern ...

Страница 40: ...he Max Min value display is also possible The cyclic display is not possible Button operation Operation Function Press Switch the display screen Press Switch phase display Switch between the RMS value and distortion ratio on the harmonic screen Press Enter Exit the Max Min value screen Press and simultaneously for 2 seconds or more Change the unit such as Wh or change to lower digit enlarged displ...

Страница 41: ... machines Assume 1 to lag 0 5 Power factor Around 1 Power factor is around 1 due to resistance load or power factor improvement Assume lead 0 866 to lag 0 866 Power factor LEAD Power factor is leading for capacitor panel Assume lead 0 to 1 If the Err display appears at the bottom line of the LCD press and then select the power factor condition again Check multiple alternatives For 3 phase 3 wire 1...

Страница 42: ...ut or press to check Support display for determining incorrect wiring Display Description 01 This is low voltage Apply about 70 percent or more of the direct voltage or secondary voltage setting 02 This is low current Apply about 5 percent or more of the rated current of the instrument 03 This is in the unbalanced state For 3 phase 3 wire system it is not possible to detect incorrect wiring if the...

Страница 43: ...ode Test Menu SET SET Continued from the previous page Phase angle The phase angle is displayed clockwise based on V12 0 degree Display examples for incorrect wiring support function For display examples of each incorrect wiring refer to 9 2 A List of Examples for Incorrect Wiring Display V32 Phase angle between V32 and V12 I1 Phase angle between I1 and V12 I3 Phase angle between I3 and V12 Note F...

Страница 44: ...3 P2 C1 C1 PN 1 2 3 N K L k l K L k l K L k l U u V v U V v u v u U V C2 C2 C3 C3 P1 P3 P2 C1 C1 PN 1 2 3 N K L k l K L k l K L k l U u V v U V v u v u U V C2 C2 C3 C3 P1 P3 P2 C1 C1 PN 1 2 3 N K L k l K L k l K L k l U u V v U V v u v u U V C2 C2 C3 C3 P1 P3 P2 C1 C1 PN 1 2 3 N K L k l K L k l K L k l U u V v U V v u v u U V C2 C2 C3 C3 P1 P3 P2 C1 C1 PN 1 2 3 N K L k l K L k l K L k l U u V v U ...

Страница 45: ...1 Correct measurement is possible even in reversed phase sequence 2 For low voltage circuits it is not necessary to ground the VT and CT secondary side circuits C2 C2 C3 C3 P1 P3 NC C1 C1 P2 K L k l K L k l U u V v U u V v 1 2 3 C2 C2 C3 C3 P1 P3 NC C1 C1 P2 K L k l K L k l U u V v U u V v 1 2 3 C2 C2 C3 C3 P1 P3 NC C1 C1 P2 K L k l K L k l U u V v U u V v 1 2 3 C2 C2 C3 C3 P1 P3 NC C1 C1 P2 K L k...

Страница 46: ...nals of the instrument in that order 4 Reverse connection of 1 side and 3 side CT 1 On the screen the PN terminal is displayed as P2 Read as PN For1 phase 2 wire system No Wiring diagram No Wiring diagram 1 Normal 2 Reverse connection of 1 side CT C2 C2 C3 C3 P1 P3 P2 C1 C1 PN K L k l K L k l 1 N 3 C2 C2 C3 C3 P1 P3 P2 C1 C1 PN K L k l K L k l 1 N 3 C2 C2 C3 C3 P1 P3 P2 C1 C1 PN K L k l K L k l 1 ...

Страница 47: ...ne Active power 1 phase Fourth line Active energy Imported First line Current 2 phase Second line Voltage 23 phase Third line Active power 2 phase Fourth line Active energy Imported First line Current 3 phase Second line Voltage 31 phase Third line Active power 3 phase Fourth line Active energy Imported Example for display switching of measurement screen Phase wire system 3 phase 4 wire Display pa...

Страница 48: ...e 2CT 2 phase 31 phase 1 phase 3 wire 1N2 display N phase 12 phase 1N3 display N phase 13 phase Note 1 Before shift to the cyclic mode the screen blinks 3 times Note 2 In the cyclic display mode of measurement screen the screen number is not displayed at switching display Note 3 On the Max Min value screen the cyclic mode is available PHASE DISPLAY PHASE SET Harmonic current total First line 1 pha...

Страница 49: ...hase 3 wire 1 phase 3 wire system the phases of A DA and V are switched For 1 phase 2 wire system no phase is switched Press for 2 seconds Enter the cyclic display mode of measurement screen Press for 2 seconds Enter the cyclic display mode of phase 5 1 7 How to Clear the Maximum Minimum Values On the Max Min value screen pressing for 2 seconds clears the maximum and minimum values of the displaye...

Страница 50: ... of 1 you must change the settings for active reactive energy measurement in 3 4 Active energy Imported Active energy Exported 1 Apparent energy Reactive energy Imported lag Reactive energy Imported lead 1 Reactive energy Exported lag 1 Reactive energy Exported lead 1 5 1 9 How to Change the Display Digit of Active Reactive Apparent Energy By changing the unit M k or none of active reactive appare...

Страница 51: ...u select 4 quadrant measurement and IEC mode at each setting Imported lag and Exported lead of reactive energy are displayed on the additional screen However they are not integrated For details on how to switch 2 quadrant 4 quadrant measurement refer to 3 4 For details on how to switch the IEC mode setting refer to 3 9 Measurement method Description 4 quadrant measurement Each of four quadrants Im...

Страница 52: ...re on time period and it indicates the overall average value within the demand time period The demand value changes over a relatively long time period Therefore it is not affected by input change for a short time Accordingly it is suitable to monitor overload of transformer Power transmission state Measuring item Imported lag Imported lead Exported lag Exported lead A DA AN DAN V Hz VA HI HV HIN U...

Страница 53: ...retention Light up Blink Blink Alarm cancellation Light up Light up Light up Note2 When the backlight blinking is set to on in case of alarm the backlight blinks at generating alarm Note3 On the Max Min value screen the present value which is displayed at the middle line of digital display and or blink Monitored phase of upper lower limit alarm item The phase for monitoring the upper lower limit a...

Страница 54: ...ut of dead region below the setting step of the alarm value 5 2 3 How to Stop Backlight Blinking Caused by the Upper Lower Limit Alarm Press to stop the backlight blinking 5 2 4 Operating Time Display According to the value set to the operating time count target AUX A and V measuring time is counted and displayed as operating time of load To display it you must set the operating time display Even ...

Страница 55: ...etc to zero 4 Reset operating time to zero RESET PHASE DISPLAY Important If you forgot your password you could not unlock the password by yourself in the field Please contact your supplier Motor starting current detection When a current value reaches the motor starting current threshold or more the motor starting current delay time starts to count Motor starting current delay For current and activ...

Страница 56: ...rbitrary 2 Note1 For arbitrary 1 selectable items are A AN DA DAN V W var VA PF and Hz For arbitrary 2 Wh Wh varh and VAh are selectable Display pattern Additional screen Set in the setting menu 3 and 8 No 11 No 12 No 13 No 14 No 15 No 16 No 17 No 18 No 19 No 20 No 21 No 22 Wh Wh Exported varh varh Imported lead varh Exported lag varh Exported lead VAh Harmonic current Harmonic current N phase Har...

Страница 57: ...N 12 23 2N 3N 23 31 12 13 31 Display pattern Additional screen Set in the setting menu 3 and 8 No 7 No 8 No 9 No 10 No 11 No 12 No 13 No 14 No 15 No 16 No 17 Wh Wh Exported varh varh Imported lead varh Exported lag varh Exported lead VAh Harmonic current Harmonic voltage Operating time 1 Operating time 2 Common to display patterns from P00 to P02 First 1 phase value 1 phase value Second Wh Wh Expo...

Страница 58: ...0 5 kW 220 V 1 0 kW 1 A Direct input Line voltage 110 V 0 1 kW 220 V 0 2 kW 440 V 0 4 kW With VT Line voltage 100 V 110 V 0 1 kW 220 V 0 2 kW 1 phase 3 wire 5 A Without VT Line voltage 220 V 1 0 kW 440 V 2 0 kW 1 A 220 V 0 2 kW 440 V 0 4 kW 3 phase 3 wire 5 A Direct input Line voltage 110 V 1 0 kW 220 V 2 0 kW 440 V 4 0 kW With VT Line voltage 100 V 110 V 1 0 kW 220 V 2 0 kW 1 A Direct input Line ...

Страница 59: ...40 MW 1200 MW 40 W 1200 W 45 kW 1500 kW 45 MW 1500 MW 45 W 1500 W 48 kW 1600 kW 48 MW 1600 MW 48 W 1600 W 50 kW 1800 kW 50 MW 1800 MW 50 W 1800 W 60 kW 2000 kW 60 MW 2000 MW 60 W 2000 W 64 kW 2200 kW 64 MW 2200 MW 64 W 2200 W 72 kW 2400 kW 72 MW 2400 MW 72 W 2400 W 75 kW 2500 kW 75 MW 2500 MW 75 W 2500 W 80 kW 3000 kW 80 MW 3000 MW 80 W 3000 W 90 kW 3200 kW 90 MW 3200 MW 90 W 3200 W 96 kW 3600 kW ...

Страница 60: ...31 phase AVG L L Active power 1 phase 2 phase 3 phase Σ Reactive power 1 phase 2 phase 3 phase Σ Apparent power 1 phase 2 phase 3 phase Σ Power factor 1 phase 2 phase 3 phase Σ Frequency Harmonic current Note1 RMS value 1 phase Max Phase Max Phase Max Phase 2 phase 3 phase N phase Distortion ratio 1 phase 2 phase 3 phase N phase Harmonic voltage Note1 RMS value 1N phase 2N phase 3N phase 12 phase ...

Страница 61: ...asuring items monitored by communication function refer to the user s manual of each communication function Note4 The phase angle can be measured only with the support function for determining incorrect wiring Note5 For 1 phase 3 wire system the phases of measuring items are read as the following table Phase wire system 1 phase 2 phase 3 phase 12 phase 23 phase 31 phase 1 phase 3 wire 1N2 1 phase ...

Страница 62: ...9999 is exceeded the upper limit 9999 is displayed Power factor PF When each of three phases of current is 0 A or when each of three phases of voltage is 0 V 1 0 is displayed When current N phase is 0 A or when voltage N phase is 0 V 1 0 is displayed for each N phase Frequency Hz When voltage 1 phase is low voltage is displayed Apply a voltage above approximately 22 V When frequency is below 44 5 ...

Страница 63: ...over 100 For measurement of inverter secondary side output Check the measured item The current value measured by this instrument is different from that measured by other measuring instrument such as a clamp meter The difference exceeds an acceptable level If the comparative measuring instrument uses the average value method the AC waveform will distort due to harmonics and the error of the compara...

Страница 64: ...63 7 Installation Dimensions ME96SSEB MB mm ...

Страница 65: ...he display during installation Before starting operation remove the sheet When you remove the sheet the LCD display may light up due to static electricity generation However this is not abnormal After a while the lighting will go off due to self discharge Mounting position When you install the instrument on the edge of the panel check the work space for wiring to determine the mounting position In...

Страница 66: ...mm or less 0 5 N m Outer diameter 7 3 2 Wiring of the Unit Be sure to securely tighten the terminal screws to the terminal block CAUTION Do not connect three or more electric wires to one terminal This can cause heat generation or a fire due to imperfect contact If you use a bare crimp type terminal you should secure a necessary insulation distance using an insulation tube not to expose the chargi...

Страница 67: ... connection terminal Connect electrical wires properly to the connection terminal Otherwise heat generation or measurement errors may occur Do not forget to connect wiring of C1 C2 and C3 When a common wire is used for L side load side of the CT circuit of a 3 phase instrument it is necessary to short circuit the C1 C2 and C3 terminals of the instrument Do not use improper electrical wires Be sure...

Страница 68: ...440 V AC L L Figure 3 1 phase 3 wire max 220 V AC L N 440 V AC L L Figure 4 1 phase 2 wire 1 DELTA max 220 V AC L L Figure 5 STAR max 440V AC L L Figure 6 Note1 For the DELTA connection circuit of 3 phase 3 wire system and transformer circuit of 1 phase 2 wire system the maximum rating is 220 V AC For the STAR connection circuit of 3 phase 4 wire 3 phase 3 wire system and 1 phase 3 wire circuit th...

Страница 69: ... R for devices at both ends of MODBUS RTU communication line Note1 For low voltage circuits it is not necessary to ground the VT and CT secondary sides Auxiliary power supply 100 to 240 V AC or 100 to 240 V DC Fuse recommendation Rated current 0 5 A Rated breaking capacity 250 V AC 1 500 A 250 V DC 1 500 A a UL certified product If MODBUS RTU devices do not have the SG terminal the wiring between ...

Страница 70: ...DBUS RTU communication line Note1 For low voltage circuits it is not necessary to ground the VT and CT secondary sides Note2 Do not connect the NC terminal Auxiliary power supply 100 to 240 V AC or 100 to 240 V DC Fuse recommendation Rated current 0 5 A Rated breaking capacity 250 V AC 1 500 A 250 V DC 1 500 A a UL certified product If MODBUS RTU devices do not have the SG terminal the wiring betw...

Страница 71: ...ommunication line Note1 For low voltage circuits it is not necessary to ground the VT and CT secondary sides Note2 Do not connect the NC terminal Auxiliary power supply 100 to 240 V AC or 100 to 240 V DC Fuse recommendation Rated current 0 5 A Rated breaking capacity 250 V AC 1 500 A 250 V DC 1 500 A a UL certified product If MODBUS RTU devices do not have the SG terminal the wiring between SG ter...

Страница 72: ... resistance is 100 ohm or less Improper ground may cause a malfunction For MODBUS RTU Note 1 Use a shielded twisted pair cable for transmission signal line For recommended cables refer to 8 3 MODBUS RTU Communication Specifications 2 Install 120 Ohm terminating resistors between terminals T R and T R for devices at both ends of MODBUS RTU communication line 3 Use wires as thick as possible to grou...

Страница 73: ...t or 12 digit is also possible Harmonic distortion ratio content rate 4 digits Harmonic RMS value 4 digits Operating time 6 digits Display update time interval 0 5 s 1 s selectable Communication MODBUS RTU communication Connectable optional plug in module Cannot connect optional module Power interruption backup Non volatile memory is used Item Setup value Max Min value Active energy Reactive energ...

Страница 74: ...61000 4 11 Safety Europe CE as per EN61010 1 2010 3rd Edition U S and Canada UL cUL Recognized as per UL61010 1 2012 3rd Edition IEC61010 1 2010 3rd Edition Installation Category III Measuring Category III Pollution Degree 2 MODBUS RTU Communication Specifications Item Specifications Physical interface RS 485 2wires half duplex Protocol RTU mode Transfer method Start stop synchronization Transmiss...

Страница 75: ...ersion display By version 4 3 Backlight brightness 3 4 4 Backlight Auto off ON Auto Auto off 4 5 Display update time 0 5 s 5 5 1 Upper Lower limit alarm item 1 non 5 1 1 Upper Lower limit alarm value 1 5 2 Upper Lower limit alarm item 2 non 5 2 1 Upper Lower limit alarm value 2 5 3 Upper Lower limit alarm item 3 non 5 3 1 Upper Lower limit alarm value 3 5 4 Upper Lower limit alarm item 4 non 5 4 1...

Страница 76: ...p p 1 0 2 Phase p to phase g RMS voltage M v v U M k k g k p pg 1 0 2 2 2 Active power for phase p 1 0 1 M k k p k p p i v M P Apparent power for phase p p p p I V S Reactive power for phase p 1 0 4 1 M k k p N k p quad p i v M Qp Q 2 2 p p p P S Q For the sign refer to 5 1 12 Power factor for phase p 2 2 p p p p Q P P PF p p p S P PF For the sign refer to 5 1 12 Total active power ph N p p P P 1 ...

Страница 77: ...2 P3 PN C1 C1 Reverse C2 C2 Normal C3 C3 Normal Current Connection LEAD I1 I2 I3 P1 P3 P2 PN C1 C1 Normal C3 C3 Normal C2 C2 Normal C3 C3 Normal C2 C2 Normal C1 C1 Normal C2 C2 Normal C1 C1 Normal C3 C3 Normal 0 120 240 W1 W2 W3 V1N V2N V3N I1 I2 I3 P1 No Power Factor Input Phase Angle Display At balanced load V1N V2N V3N I1 I2 I3 Connection 1 Active Power Display Voltage Display Current Display P...

Страница 78: ... value W3 Negative value No Power Factor Input Phase Angle Display At balanced load V1N V2N V3N I1 I2 I3 Connection 1 Active Power Display Voltage Display Current Display Voltage Current Connection PN C1 C1 Reverse 0 120 240 W1 Negative value W2 Negative value W3 Positive value V1N V2N V3N I1 I2 I3 P1 P2 240 W1 Negative value W2 Negative value W3 Negative value V1N V2N V3N I1 I2 I3 P1 P2 P3 240 W1...

Страница 79: ...I2 I3 P1 P3 P2 PN C1 C1 Normal W1 Negative value W2 0 W3 Positive value W1 Negative value W2 Negative value W3 Positive value W1 0 W2 Negative value W3 Positive value W1 Positive value W2 Negative value W3 Positive value 0 240 120 W1 Positive value W2 Negative value W3 Positive value V1N V2N V3N 0 240 120 W1 Negative value W2 Positive value W3 Positive value V1N V2N V3N I1 I2 I3 C3 C3 Normal P1 P2...

Страница 80: ...value W2 Negative value W3 Negative value W1 Negative value W2 0 W3 Negative value W1 Negative value W2 Positive value W3 Negative value I1 I2 I3 P1 P3 P2 PN C3 C3 Normal W1 Positive value W2 0 W3 Positive value W1 Positive value W2 Negative value W3 Positive value W1 0 W2 Negative value W3 Positive value W1 Negative value W2 Negative value W3 Positive value 0 240 120 W1 Negative value W2 Negative...

Страница 81: ... I3 C3 C3 Normal PN C1 C1 Normal C2 C2 Reverse C3 C3 Normal W1 Negative value W2 0 W3 Positive value W1 Negative value W2 Positive value W3 Positive value W1 0 W2 Positive value W3 Positive value W1 Positive value W2 Positive value W3 Positive value PN C3 C3 Normal W1 Positive value W2 Positive value W3 0 W1 Positive value W2 Positive value W3 Negative value W1 Positive value W2 0 W3 Negative valu...

Страница 82: ...3 0 W1 Positive value W2 Negative value W3 Positive value W1 Positive value W2 0 W3 Positive value W1 Positive value W2 Positive value W3 Positive value I1 I2 I3 P1 P3 P2 PN C1 C1 Normal 0 240 120 W1 Positive value W2 Negative value W3 Negative value V1N V2N V3N P2 P1 P3 PN P3 C1 C1 Normal C2 C2 Reverse C3 C3 Normal 0 240 120 W1 Negative value W2 Positive value W3 Negative value V1N V2N V3N I1 I2 ...

Страница 83: ...0 270 P2 C1 C1 Normal C2 C2 Normal C3 C3 Reverse 0 60 30 W1 Positive value W2 Positive value W3 Positive value V1N V2N V3N I1 I2 I3 C3 C3 Reverse P1 P2 PN P3 C1 C1 Normal C2 C2 Normal 0 330 300 W1 Positive value W2 Negative value W3 Negative value V1N V3N V2N I1 I2 I3 P1 PN P3 No Power Factor Input Phase Angle Display At balanced load V1N V2N V3N I1 I2 I3 Connection 1 Active Power Display Voltage ...

Страница 84: ...W1 Negative value W2 Positive value W3 Positive value V1N V3N V2N I1 I2 I3 P1 PN P2 P3 P1 C2 C2 Normal C1 C1 Normal 0 330 30 W1 Negative value W2 Negative value W3 Positive value V1N V2N V3N P3 LAG I1 I2 I3 30 P1 P3 PN C1 C1 Normal C3 C3 Normal C2 C2 Normal LAG 0 707 285 C1 C1 Normal C3 C3 Normal 75 315 W1 W2 W3 V1N V2N V3N I1 I2 I3 P3 90 330 P2 P1 P2 PN C3 C3 Normal C2 C2 Normal C1 C1 Normal 120 ...

Страница 85: ...I1 I2 I3 P1 PN P2 0 330 30 W1 Positive value W2 Positive value W3 Negative value V1N V2N V3N W1 0 W2 Negative value W3 0 W1 Positive value W2 Negative value W3 Negative value I1 I2 I3 W1 Positive value W2 Negative value W3 0 W1 Positive value W2 Negative value W3 Negative value C2 C2 Normal C3 C3 Normal C2 C2 Normal C1 C1 Normal C1 C1 Normal W1 0 W2 Positive value W3 Negative value W1 Negative val...

Страница 86: ...ght diagram LEAD 0 707 0 300 345 45 C1 C1 Reverse P3 C1 C1 Reverse C1 C1 Normal C3 C3 Reverse LAG 0 866 240 300 LAG 0 707 255 315 C3 C3 Normal W1 W3 W1 W3 LEAD 0 707 0 300 165 225 W1 Negative value W3 Positive value C3 C3 Normal LEAD 0 866 180 240 1 000 210 270 Revverse connection for each of 1 side VT and 3 side VT Refer to the right diagram V12 V23 V31 I1 I3 I2 P1 P2 0 300 W1 W3 V12 V23 V31 I1 I...

Страница 87: ...1 I2 I3 P1 P3 P2 P2 P1 P3 P1 P3 C1 C1 Normal C3 C3 Normal LEAD 0 707 0 60 285 165 0 60 W1 Negative value W3 Positive value V12 V23 V31 I1 I2 I3 P2 C1 C1 Normal C3 C3 Normal LEAD 0 866 300 180 1 000 0 300 W1 Negative value W3 Positive value V12 V23 V31 I1 I2 I3 P1 P2 P3 C3 C3 Normal C1 C1 Normal W1 W3 0 W1 Positive value W3 Negative value Voltage Display Current Display Voltage Current No Power Fac...

Страница 88: ...150 30 W1 Negative value W3 Positive value V12 V23 V31 I1 I2 I3 P2 P3 P1 W1 Negative value W3 0 P1 P2 P3 LEAD 0 707 0 300 105 345 P3 Refer to the right figure LAG 0 866 300 180 W1 Positive value W3 Negative value LAG 0 707 315 1 000 270 150 W1 0 W3 Negative value P1 P2 195 P3 P1 P2 C1 C1 Normal C3 C3 Normal LEAD 0 866 240 120 Connection LEAD 0 707 0 300 225 105 W1 Negative value W3 Negative value ...

Страница 89: ...ative value V12 V23 V31 I1 I3 I2 P1 P1 P3 C1 C1 Reverse C3 C3 Normal 0 60 W1 Negative value W3 Negative value V12 V23 V31 I1 I3 I2 P2 0 60 W1 W3 V12 V23 V31 I1 I3 I2 P2 P1 P3 C1 C1 Normal C3 C3 Reverse 0 300 W1 Negative value W3 Negative value V12 V23 V31 I1 I2 I3 Each of 1 side VT terminal and 3 side VT terminal is reversed Refer to the right diagram C1 C1 Normal C3 C3 Normal P2 P1 C3 C3 Normal C...

Страница 90: ...on of 1 side VT Refer to the right diagram C1 C1 Normal C3 C3 Reverse Revverse connection of 3 side VT Refer to the right diagram C1 C1 Reverse P2 P1 C1 C1 Normal C3 C3 Reverse W1 W3 0 W1 W3 Negative value 0 60 W1 W3 Positive value V12 V23 V31 I1 I3 I2 P3 P2 P1 C1 C1 Reverse C3 C3 Normal W1 W3 0 W1 W3 Positive value 0 60 W1 W3 Negative value V12 V23 V31 I1 I3 I2 P3 0 60 W1 W3 V12 V23 V31 I1 I3 I2 ...

Страница 91: ...1 I1 I2 I3 P1 P2 0 300 W1 Positive value W3 Negative value V12 V23 V31 I1 I2 I3 P1 P2 Refer to the right figure W1 Negative value W3 0 W1 Negative value W3 Positive value 0 300 W1 Negative value W3 Positive value V12 V23 V31 I1 I2 I3 P1 P2 P3 Refer to the right figure Connection 7 Phase Angle Display Active Power Display Voltage Display Current Display Voltage Current W1 Positive value W3 Negative...

Страница 92: ... phase 3 wire system 3CT are also the same However it is not possible to detect the incorrect wiring of the CT secondary side V12 V32 I1 I3 W1 W3 V12 V23 V31 I1 I2 I3 1 2 3 1 side CT 3 side CT 30 LEAD 0 707 45 105 LEAD 0 866 60 120 1 000 90 150 LAG 0 866 120 180 LAG 0 707 135 195 31 LEAD 0 707 225 285 LEAD 0 866 240 300 1 000 270 330 LAG 0 866 300 0 LAG 0 707 315 15 32 LEAD 0 707 285 345 LEAD 0 86...

Страница 93: ...isplay Voltage Display Current Display Voltage Current P1 PN P3 C1 C1 Normal C3 C3 Normal P3 PN P1 C3 C3 Normal LEAD 0 866 330 150 1 000 0 180 I1 I3 IN 0 C1 C1 Normal LAG 0 866 30 210 LAG 0 707 45 225 3 0 180 W1 Positive value W3 Negative value V1N V3N V13 2 0 180 W1 Negative value W3 Positive value V1N V3N V13 I1 I3 IN P1 PN P3 C1 C1 Normal C3 C3 Reverse P1 PN P3 C1 C1 Reverse C3 C3 Normal I1 I3 ...

Страница 94: ...y Current Display Voltage Current Connection 8 0 180 W1 Negative value W3 Negative value V1N V3N V13 7 0 0 W1 Positive value W3 Negative value V1N V3N V13 I1 I3 IN 0 P3 PN P1 C1 C1 Normal C3 C3 Normal P1 P3 PN C1 C1 Normal C3 C3 Normal I1 I3 IN 0 10 0 0 W1 Negative value W3 Positive value V1N V3N V13 9 0 0 W1 Positive value W3 Negative value V1N V13 V3N I1 I3 IN 0 PN P3 P1 C1 C1 Normal C3 C3 Norma...

Страница 95: ...Power Display Voltage Display Current Display Voltage Current Connection 15 0 0 W1 Negative value W3 Negative value V1N V13 V3N 14 0 0 W1 W3 V1N V13 V3N I1 I3 IN PN P1 P3 C1 C1 Normal C3 C3 Reverse PN P1 P3 C1 C1 Reverse C3 C3 Normal I1 I3 IN 17 0 0 W1 Negative value W3 Negative value V1N V13 V3N 16 0 0 W1 Positive value W3 Negative value V1N V13 V3N I1 I3 IN P3 P1 PN C1 C1 Reverse C3 C3 Normal PN...

Страница 96: ...urrent Display Voltage Current Connection 22 0 0 W1 Positive value W3 Negative value V1N V3N V13 21 0 0 W1 Negative value W3 Negative value V1N V3N V13 I1 I3 IN 0 PN P3 P1 C1 C1 Reverse C3 C3 Reverse PN P3 P1 C1 C1 Normal C3 C3 Reverse I1 I3 IN 24 0 180 W1 Negative value W3 Positive value V1N V3N V13 23 0 180 W1 Positive value W3 Negative value V1N V3N V13 I1 I3 IN P3 PN P1 C1 C1 Normal C3 C3 Reve...

Страница 97: ...wer Display Voltage Display Current Display Voltage Current Connection 29 0 0 W1 Negative value W3 Positive value V1N V3N V13 28 0 180 W1 W3 V1N V3N V13 I1 I3 IN 0 P1 P3 PN C3 C3 Normal C1 C1 Normal P1 PN P3 C3 C3 Reverse C1 C1 Reverse I1 I3 IN 0 31 0 0 W1 W3 V1N V3N V13 30 0 0 W1 Negative value W3 Negative value V1N V3N V13 I1 I3 IN P1 P3 PN C3 C3 Normal C1 C1 Reverse P1 P3 PN C3 C3 Reverse C1 C1...

Страница 98: ...ay Current Display Voltage Current Connection 36 0 0 W1 Negative value W3 Positive value V1N V13 V3N 35 0 0 W1 Negative value W3 Negative value V1N V13 V3N I1 I3 IN 0 PN P1 P3 C3 C3 Reverse C1 C1 Reverse PN P1 P3 C3 C3 Normal C1 C1 Reverse I1 I3 IN 38 0 0 W1 Negative value W3 Negative value V1N V13 V3N 37 0 0 W1 Negative value W3 Positive value V1N V13 V3N I1 I3 IN P3 P1 PN C3 C3 Reverse C1 C1 Nor...

Страница 99: ...AG 0 707 225 45 No Power Factor Input At balanced load V1N V3N or V2N I1 I3 or I2 Connection 1 Phase Angle Display Active Power Display Voltage Display Current Display Voltage Current Connection 43 0 0 W1 Negative value W3 Negative value V1N V3N V13 42 0 0 W1 W3 V1N V3N V13 I1 I3 IN PN P3 P1 C3 C3 Normal C1 C1 Reverse PN P3 P1 C3 C3 Reverse C1 C1 Normal I1 I3 IN 45 0 180 W1 Positive value W3 Negat...

Страница 100: ...u Seoul 07528 Korea 82 2 3660 9572 Laos AROUNKIT CORPORATION IMPORT EXPORT SOLE CO LTD SAPHANMO VILLAGE SAYSETHA DISTRICT VIENTIANE CAPITAL LAOS 856 20 415899 Lebanon Comptoir d Electricite Generale Liban Cebaco Center Block A Autostrade Dora P O Box 11 2597 Beirut Lebanon 961 1 240445 Latvia SIA OAK INTEGRATOR PRODUCTS VIENIBAS GATVE 200 1058 RIGA LV 371 0 67842280 Lithuania AUTOMATIKOS CENTRAS U...

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