Mitsubishi Electric ME96-SSE-MB User Manual Download Page 15

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3. Setting

3.1 Setting flow

<Setting Procedure>

①

Press

and

simultaneously for 2

⑤

fter completion of setting

, select ‘End’ in the setting

seconds to get in the setting mode. menu and press

②

Select a setting menu number by or .

⑥

When the End display appears, press

once again.

③

Use the

button to select a setting menu number.

④

Set each setting item. (Refer to page 15 and later

pages.)

Arrow in Figure

Action

Button operation

Shift from the operation mode to the setting mode.

＋

Press them simultaneously

Shift from the operation mode to the set value confirmation mode.

Press it for 2 seconds.

Select the menu number to set or “End”.

Press it several times.

Get into each setting screen. Shift to the next setting item.

Press it.

Go back to the previous setting item.

Press it.

Omitted in figure

Select a set value.

Press it several times.

Shift to the End screen.

Press it.

Memorize the setting contents, and go back to the operation mode.

Press it.

Select "CANCEL."

Press it.

Cancel the settings.

Press it.

Skip remaining setting items during setting.

Press it for 1 second.

Set values return to the factory default value.

＋

Press it for 2 seconds.

Shift from the operation mode to the password protection mode.

＋

Press it for 2 seconds.

Alarm value

Alarm delay

time

Alarm cancel

method

Back light flickers

during alarms

Alarm item

Motor starting

current delay time

Model +

option code

Version

display

Backlight

brightness

Backlight

auto off

Display

update tim

non

Operation time

threshold

Set IEC
mode

Phase display
setting

Operation time

display

Target for

counting operation

time setting

Setting Value
Confirmation Menu

Setting Menu

Setting Mode or Setting Value Confirmation Mode

DISPLAY

RESET

＋

－

SET

PHASE

RESET

SET

＋

－

SET

※

．

If the password protection setting is enabled,

it is necessary to enter the password in shift from

the operation mode to the setting mode.

※

．

For Setting Value Confirmation, it returns to

Operation Mode.

※

．

This is not display in Setting Mode.

Test Mode

※

PHASE

RESET

Automatic migration

＋

－

※

SET

＋

－

SET

RESET

Summary of Contents for ME96-SSE-MB

Page 1: ...rument Types ME96SSE MB User s Manual Detailed Edition Before operating the instrument you should first read thoroughly this operation manual for safe operation and optimized performance of the product Deliver this user s manual to the end use ...

Page 2: ...ons User s Manual Simplified 1 A3 size Attachment lug with screw 2 About the optional plug in module sold separately This product cannot be installed the optional plug in module Please use a combination of other classes ME96SSH MB ME96SSR MB and the optional plug in module if analog output CC Link communication or contact input and output etc is required ...

Page 3: ...ds undesired change of settings or deletion of measured data The instruments with transmission functions MODBUS RTU communication are able to transmit the measured data to superior monitoring devices This instrument complies with the requirements of the CE marking UL standards KC mark and FCC IC MODBUS is a registered trademark of SCHNEIDER ELECTRIC USA INC in the United States ...

Page 4: ...otor Starting Current Mask Function 23 3 7 Setting Menu 6 No Settings 26 3 8 Setting Menu 7 No Settings 26 3 9 Setting Menu 8 Special Settings Setting Operating Time Phase Display IEC mode 27 3 10 Setting Value Confirmation Menus 1 9 Confirming the Settings in the Setting Menus 1 8 and Test Mode in Setting Menu 9 29 3 11 Initializing Related Items by Changing Settings 30 3 12 Initializing All Sett...

Page 5: ...e update by motor starting current 44 Password protection setting 44 6 Other 6 1 Display Pattern Contents 45 6 2 Maximum Scale Value 46 6 3 Possible Setting Range for Maximum Scale 47 6 4 Measurement Items and Correspondence between Display and Output 50 6 5 Measurement Characteristic 51 6 6 Troubleshooting 52 Installation 1 Dimensions 53 2 Mounting 54 3 Wiring 55 4 Wiring Diagram 57 Specification...

Page 6: ...service conditions as following points Ambient temperature 5 to 55 C Average day temperature 35 C or less Humidity 0 85 RH non condensing Altitude 2000m or less Pollution Degree 2 or less Note 1 Atmosphere without corrosive gas dust salt oil mist Transient over voltage 4000V or less Note 1 A place without excessive shocks or vibration Do not expose to rain and water drips Do not expose to direct s...

Page 7: ...specified usage environment and conditions The setting of this instrument is necessary before use it Please read this manual carefully to ensure correct setting Operation instructions Before operating the product check that active bare wire and so on does not exist around the product If any bare wire exists stop the operation immediately and take an appropriate action such as isolation protection ...

Page 8: ...etc Repair shall be charged for the following cases even during the gratis warranty period Failures occurring due to your improper storage or handling carelessness or fault Failures due to faulty workmanship Failures due to faults in use and undue modification Failures due to accidental force such as a fire abnormal voltage etc and force majeure such as an earthquake wind flood etc Failures due to...

Page 9: ... a cabinet have to be ensured conductivity for each other A cabinet has to be connected to earth by a thick wire of low impedance Holes on faces of cabinet have to be 10 cm or less in diameter The terminals for protective earth and functional earth have to be connected to earth by a thick wire of low impedance A terminal for protective earth is important not only for safety but also for EMC All co...

Page 10: ...MODBUS RTU communication transmission terminal T R MODBUS RTU communication transmission terminal Ter Termination terminal 120 Ω termination when short circuited to the terminal T R SLD Shielded wire terminal Ground resistance 100 Ω or less Voltage Input terminals P1 P2 P3 PN Input a circuit voltage Auxiliary power input terminals MA MB Connect to an auxiliary power Ground terminal Ground resistan...

Page 11: ...indicated with otherwise indicated with 8 Phase status They show the phase for each of the digital displays 9 Digital display Measured values displayed in digital 10 Unit Units of measuring value displayed 11 Metering status Flickers when counting active energy Note 1 only active energy imported display 12 Setup status Turns on at setting mode Flickers at setting value confirmation mode 13 Test mo...

Page 12: ...ckering alarm Only effective in setting backlight flicker Mode changes The display of Setting mode appears The display of Set value confirmation mode appears The display of password protection mode appears Setting Setting value confirmation mode Setting operation The setting items are saved and setting item is changed to next item Back to the previous item The values of setting are changed If it p...

Page 13: ...ng special operations can be executed from the CANCEL Display for changing cancelling setting values The instrument is reset Reset the settings to the factory defaults P 13 to P 28 P 30 to P 34 Setting Value confirmation mode Test Mode This mode is for confirming the setting values for each setting item In this mode settings cannot be changed in order to prevent accidental changing of settings Thi...

Page 14: ...AUTION Keep in mind that when a setting is changed the related setting items and measurement data will be reset to the default settings Refer to page 30 Measurement Display Setting Menu End End Display CANCEL Display Automatic migration Frequency CT current VT direct voltage Display Pattern Phase wire system MODBUS RTU address MODBUS RTU baud rates MODBUS RTU parity MODBUS RTU stop bit Active powe...

Page 15: ... Cancel the settings Press it Skip remaining setting items during setting Press it for 1 second Set values return to the factory default value Press it for 2 seconds Shift from the operation mode to the password protection mode Press it for 2 seconds Alarm value Alarm delay time Alarm cancel method Back light flickers during alarms Alarm item Motor starting current delay time Model option code Ver...

Page 16: ...you want from P01 to P05 select the special display pattern P00 to configure the screen freely For more information about setting the special display pattern P00 refer to page 31 32 Displayable at this display setting Set at other additional settings Select P00 and set the display order and display position Display Pattern Set the phase wire system Supplemental Information Underlined portions indi...

Page 17: ... wire 1N2 1N3 phase to neutral voltage phase to phase voltage VT direct voltage When phase wire system is set to 1 phase 3 wire Use only for direct input This setting will be skipped SET SET yES no 110V 220V 440V 110 220V 220 440V no yES 63 5 110V 100 173V 110 190V 220 380V 240 415V 254 440V 277 480V SET DISPLAY 2 For other phase wire system except 3 phase 4 wire Display Pattern Current Voltage Ac...

Page 18: ...ft to the next one 1A 5A DISPLAY SET SET SET Continued form the previous page 2 When using VT Set the secondary and primary voltages of the VT a For 3 phase 4 wire Phase to phase Voltage b For 3 phase 3 wire 2CT 3CT or 1 phase 2 wire phase to neutral voltage Primary Voltage Settings Default value For 3 phase 4 wire 200V Phase to phase Voltage For 3 phase 3 wire or 1 phase 2 wire 10000V phase to ne...

Page 19: ...s 2 8 from page 19 Note If the contents in the setting menu 1 are changed the maximum value minimum value demand value of related measurement items will be reset However active energy will not be reset According to the setting flow page 14 save the changed contents or continue to the other setting menu Setting menu SET Set the frequency Frequency 50Hz 60Hz Note1 The scale value of the frequency of...

Page 20: ...ODBUS RTU baud rate MODBUS RTU baud rates 2400bps 4800bps 9600bps 19 2kbps 38 4kbps Set the MODBUS RTU address number Selectable addresses 1 to 255 MODBUS RTU address Set the MODBUS RTU stop bit MODBUS RTU stop bit Stop bit 1 Stop bit 2 SET DISPLAY SET DISPLAY SET DISPLAY SET DISPLAY According to the setting flow diagram page 14 save the changed contents or continue to the other setting menu Setti...

Page 21: ...AY 0 STEP 100 Rating 18 STEP About 20 3 STEP About 120 Set the voltage maximum scale If you have not set voltage to Display pattern this display will be skipped Maximum scale value Voltage maximum scale Note The maximum scale value becomes the value in the table on page 46 0 STEP 100 Standard maximum scale value 18 STEP About 20 10 STEP About 250 Set the current maximum scale If you have not set c...

Page 22: ... voltage in order to make a scale easy to read depending on the settings of VT direct voltage and CT primary current current input is within 100 of rated current Set the power factor scale If you have not set power factor to Display pattern this display will be skipped Power factor scale 0 5 to 1 to 0 5 0 to 1 to 0 According to the setting flow diagram page 14 save the changed contents or continue...

Page 23: ...econd Normally leave this setting to 0 5 second 0 5second 1second Display update time The backlight can be set to continuous on HoLd or auto off Auto Backlight auto off Auto HoLd Auto off Continuous on When auto off Auto is selected No button operation for 5 minutes the backlight turns off Button operation during off Note the backlight turns on for 5 minutes Note When the backlight is off pressing...

Page 24: ...lues can be monitored by this setting 1 For 3 phase 4 wire 2 For other phase wire system except 3 phase 4 wire Alarm item 1 Note 1 Measurement items that are not selected in the display pattern can be selected Note 2 V L N Phase to neutral voltage V L L phase to phase voltage Display when non is selected Display when A upper limit is selected non A upper limit A lower limit AN upper limit V L N up...

Page 25: ...will be skipped Set the alarm value for the upper lower limit alarm items 2 to 4 The setting method is the same as Alarm value 1 Alarm value 2 to 4 Set the measurement element assigned to the upper lower limit alarm items 2 to 4 Elements that are set elsewhere cannot be set The setting method is the same as Alarm item 1 Alarm item 2 to 4 Set the alarm value for upper lower limit alarm element 1 Th...

Page 26: ...g range Setting step Note 3 to 5 to 120 1 This is the percentage for the maximum scale value for the current 0 step 2 Motor starting current delay time After the motor starting current is detected maximum value update is not executed and an alarm is not generated for the delay time Motor starting current delay time ｏＦＦｏｎ 1s 3s 5s 10s 15s 20s 30s 45s 1min 1 5min 2min 3min 4min 5min SET SET SET DIS...

Page 27: ...d the following screen is displayed 3 8 Setting Menu 7 No Settings Since there is no corresponding function this setting item is not displayed In the operation mode press and simultaneously for 2 seconds or more and the following screen is displayed SET RESET There is no settings if you set the setup menu 6 Setting menu SET RESET There is no settings if you set the setup menu 7 Setting menu ...

Page 28: ...ayed Displayed Set the setting menu number to 8 as shown in the right figure Setting menu SET RESET SET DISPLAY SET DISPLAY SET DISPLAY SET DISPLAY Select the target for counting Operation time from the auxiliary power current and voltage Item 3 phase 4 wire 1 phase 2 wire Others AUX AUX AUX AUX A AAVG A AAVG V VAVG L N V VAVG L L Target for counting Operation time setting Auxiliary power Current ...

Page 29: ... SET According to the setting flow page 14 save the changed contents or continue to the other setting menu Setting menu Set the mode for reactive power power factor etc arithmetic expression and code to normal or IEC oFF on Normal mode IEC mode Set IEC mode Set the phase display Phase display setting 123 abc ...

Page 30: ...lable Test Mode Press for 2 seconds to move the set values confirmation mode Select setting value confirmation menu number 9 Press to move to test mode For more information about how to use the Test Mode refer to page 35 36 SET The screen transitions and operations are the same as for Setting Menus 1 to 8 Refer to Setting Menus 1 to 8 pages 15 to 28 Note Settings cannot be changed in the Setting v...

Page 31: ...e Active power Maximum minimum value Power factor Maximum minimum value Frequency Maximum minimum value The setting value will be reset to the default value The setting will be reset to the value corresponding to the phase wire system Note The settings will not return to the default values when the setting is switched only between 1N2 display and 1N3 display in the 1 phase 3 wire setting 3 12 Init...

Page 32: ... Setting method DISPLAY Upper stage item 1 Middle stage item 2 Lower stage item 3 Upper stage item 4 Middle stage item 5 Lower stage item 6 Upper stage item 7 Middle stage item 8 Lower stage item 9 Upper stage item 10 Middle stage item 11 Lower stage item 12 DISPLAY DISPLAY DISPLAY Screen 4 1 Screen 4 4 Screen 4 3 Screen 4 2 DISPLAY Upper stage A Middle stage V Lower stage Wh Upper stage PF Middle...

Page 33: ...play of the display 4 2 Select yES by or and press When you do not want to display the display 2 select no and press 6 Set the upper stage of the display 4 2 to PF Select PF by or and press 7 Set the upper stage of the display 4 2 to W Select W by or and press 8 Set the lower stage of the display 4 2 to no display Set the unit code of the lower stage to no display by or and press 9 Set the display...

Page 34: ...ing menu The factory default setting is 3 phase 4 wire so just press SET Phase wire system Setting is P01 so just press SET Display pattern The factory default setting is No VT so just press SET VT direct voltage selection The factory default setting is 220 380V so just press Direct voltage The factory default setting is 5A so just press SET CT secondary current Set to 200A and then press SET CT p...

Page 35: ...U baud rates The factory default setting is EVEn even so just press SET MODBUS RTU parity The factory default setting is 1 so just press SET MODBUS RTU stop bit Set the setting menu number to End and then press SET Setting menu Press SET again The changed setting are determined End screen Measurement begins according to the settings you changed Operation mode SET SET SET SET SET SET ...

Page 36: ...or checking with the host system 2 to 5 No function Test Procedure Press for 2 seconds to move to the set value confirmation mode Select setting value confirmation menu number 9 by and Press to move to test mode Execute tests using each test menu Refer to pages 36 Test Mode Flow Note The screen momentarily turns off Test menu 1 Communication test Test menu 2 No function Test menu 3 No function Tes...

Page 37: ...en Button operation Operation Function Press Switches the display screen Press Switches the phase Press Moves or returns to the maximum minimum value screen Press or Switches the analog bar graph element Press and together for at least 2 seconds Change the unit of Wh and varh Press Return to the test menu Note When executing a communication test please read the following manual in addition to this...

Page 38: ...ASE PHASE PHASE PHASE PHASE Current phase 1 Active Power phase 1 Voltage phase 1N Current phase 2 Active Power phase 2 Voltage phase 2N Current phase 3 Active Power phase 3 Voltage phase 3N Current average Active Power total Voltage average line to line Current phase 1 Active Power phase 1 Voltage phase 12 Current phase 2 Active Power phase 2 Voltage phase 23 Current phase 3 Active Power phase 3 V...

Page 39: ...bar graph of average value or total value appear instead of Upper Middle and Lower Example Lower element V displayed on bar graph Example PF displayed on bar graph The bar graph cannot be displayed in the following cases When active energy reactive energy apparent energy are selected When a line without measurement display is selected 1 For 3 phase 4 wire 2 For 3 phase 3 wire 1 phase 3 wire 3 For ...

Page 40: ...he cyclic display change screen the display flickering 3 times Note 2 In the cyclic display drawing number is not displayed Note 3 In the maximum value and the minimum value display cyclic display is not available SET DISPLAY Example Cyclic Display Phase wire System 3 phase 4 wire Display Pattern P01 without additional screens DISPLAY Press for 2 seconds Changes automatically Changes automatically...

Page 41: ...for 2 seconds Switches to measurement item cyclic display Press for 2 seconds Switches to phase cyclic display Clear the maximum minimum value On the maximum minimum value display screen press the for 2 seconds to clear the maximum minimum value for the displayed measurement item to the present value On the maximum minimum value display screen press the and together for 2 seconds to clear all maxi...

Page 42: ...enabled Wh are reset after you enter the password Also you can clear all Wh values by communication function In this case the password is not necessary Note 1 This is effective only in the instantaneous value display Each measurement item display during power transmission The following table shows the symbol display for each measurement value according to the power reception power sending status N...

Page 43: ...2 3 N will be based on the alarm status according to the following table If it does not exist on the display screen it does not flicker Alarm status Digital value Unit Phase Alarm generation Flickering Flickering Flickering Alarm retention On Flickering Flickering Alarm cancellation On On On Note 2 When the backlight flickering setting is set to ON flicker during alarm generation the backlight als...

Page 44: ...ng to the value set to the target for counting operation time AUX A and V and displayed as the load operation time To display the operation time the operation time display setting should be configured in advance The operation time is counting even if operation time display setting is OFF For setting of the operation time display refer to page 27 This is displayed when the button is pressed repeate...

Page 45: ...e password in the field Please contact your supplier Motor starting current detection When the current is over the motor starting current value the motor current starting current delay time counter begins Motor starting current delay The maximum values for the current active power reactive power and power factor are not updated during the motor reactive power and power factor starting current dela...

Page 46: ...Lower V PF V Operation time Operation time P02 Upper A A A A dito dito Middle V W PF Hz Wh Lower Wh Wh Wh Wh P03 Upper A1 V12 A ditto ditto Middle A2 V23 Lower A3 V31 V P04 Upper A A1 V12 ditto ditto Middle V A2 V23 Lower W A3 V31 P05 Upper A A A1 V12 ditto ditto Middle V W A2 V23 Wh Lower Wh Wh A3 V31 P00 Upper Arbitrary Arbitrary Arbitrary Arbitrary dito dito Middle Arbitrary Arbitrary Arbitrary...

Page 47: ...e of scale this is rounded off to the nearest whole number Specific power value for scale calculation Phase line type CT Secondary Rated voltage Specific power value 100 1 phase 2 wire 5A At direct input Line voltage 110V 0 5kW 220V 1 0kW 440V 2 0kW In the case with VT Line voltage 100V 110V 0 5kW 220V 1 0kW 1A At direct input Line voltage 110V 0 1kW 220V 0 2kW 440V 0 4kW In the case with VT Line ...

Page 48: ... maximum scale value 3 3 STEP A unit STEP A unit kA unit STEP kA unit 1 1A 51 180A 101 25kA 2 1 2A 52 200A 102 30kA 3 1 5A 53 220A 103 32kA 4 1 6A 54 240A 104 36kA 5 1 8A 55 250A 105 40kA 6 2A 56 300A 7 2 2A 57 320A 8 2 4A 58 360A 9 2 5A 59 400A 10 3A 60 450A 11 3 2A 61 480A 12 3 6A 62 500A 13 4A 63 600A 14 4 5A 64 640A 15 4 8A 65 720A 16 5A 66 750A 17 6A 67 800A 18 6 4A 68 900A 19 7 2A 69 960A 20...

Page 49: ...4800V 109 720kV 10 36V 60 5000V 110 750kV 11 40V 61 6000V 111 800kV 12 45V 62 6400V 112 900kV 13 48V 63 7 2kV 113 960kV 14 50V 64 7 5kV 114 1000kV 15 60V 65 8kV 115 1200kV 16 64V 66 9kV 116 1500kV 17 72V 67 9 6kV 117 1600kV 18 75V 68 10kV 118 1800kV 19 80V 69 12kV 119 2000kV 20 90V 70 15kV 120 2200kV 21 96V 71 16kV 22 100V 72 18kV 23 120V 73 20kV 24 150V 74 22kV 25 160V 75 24kV 26 180V 76 25kV 27 ...

Page 50: ... 100MW 16 40W 66 6000W 116 800kW 166 120MW 17 45W 67 6400W 117 900kW 167 150MW 18 48W 68 7200W 118 960kW 168 160MW 19 50W 69 7500W 119 1000kW 169 180MW 20 60W 70 8000W 120 1200kW 170 200MW 21 64W 71 9kW 121 1500kW 171 220MW 22 72W 72 9 6kW 122 1600kW 172 240MW 23 75W 73 10kW 123 1800kW 173 250MW 24 80W 74 12kW 124 2000kW 174 300MW 25 90W 75 15kW 125 2200kW 175 320MW 26 96W 76 16kW 126 2400kW 176 3...

Page 51: ...hase 3 phase AVG N phase Voltage 1 N phase 2 N phase 3 N phase AVG L N 1 2 phase 2 3 phase 3 1 phase AVG L L Active power 1 phase 2 phase 3 phase Σ Power factor 1 phase 2 phase 3 phase Σ Frequency Active energy Imported Operation time 1 2 Note 1 The values which can be monitored by communication are same as the values displayed Note 2 When 1 phase 3 wire is selected read the phase for the measurem...

Page 52: ... When it is over the upper limit of the possible display range 9999 the upper limit of the possible display range 9999 is displayed Note 2 Active power W 0W for total when the current and the voltage are 0A and 0V for all 3 phases 0W for each phase when the current of phase n is 0A or the voltage of phase n is 0V where n 1 2 or 3 When it is over the upper limit of the possible display range 9999 t...

Page 53: ... deteriorate due to harmonics it will not be the same as the calculated value For AC without harmonics the calculated value will match with the displayed value Please continue using the instrument as it is The current measured by another measurement instrument such as a clamp meter is different from the current measured by this instrument More than the tolerance If another measurement instrument u...

Page 54: ... 53 Installation 1 Dimensions ME96SSE MB ...

Page 55: ... the panel Before starting operation remove the sheet When removing the sheet the LCD may illuminate due to static electricity but this is not a product failure After a while the LCD goes off as it naturally discharges electricity Mounting position To mount the product to the edge of the panel check the space for wiring work before determining the mounting position Attach the mounting brackets to ...

Page 56: ...se according to the following conditions Single wire AWG22 to 16 Bar terminal can be not used in combination Option terminal Without screw Single wire Stranded wire AWG24 to 14 Stranded wire is bar terminal can be used in combination Note UL recognized corresponds use according to the following conditions Single wire Stranded wire AWG24 to 18 Bar terminal can be not used in combination Note When u...

Page 57: ...ctions to the connection terminals are tight Electrical wires must be properly tightened to the connection terminal Otherwise heat and measurement errors may be caused Do not forget wiring of C1 C2 and C3 for pass When the L side of CT circuit is common wire it is necessary to short circuit C1 C2 and C3 terminal of this device Do not use improper electrical wires Make sure that the electrical wire...

Page 58: ...4 1 phase 2 wire type Note DELTA max AC220V L L Figure 5 STAR max AC440V L L Figure 6 Note In case of a circuit which is wired from the delta connection of a 3 phase 3 wire type or a circuit of a transformer of a 1 phase 2 wire type the maximum rating is AC220V In case of a circuit which is wired from a 3 phase 4 wire type the star connection of a 3 phase 3 wire type or a 1 phase 3 wire type the m...

Page 59: ... power supply AC100 to 240V or DC100 to 240V Fuses 0 5A Note 1 For low voltage circuits grounding the secondary side of VT and CT is not t necessary Auxiliary power supply AC100 to 240V or DC100 to 240V Fuses 0 5A Note 1 For low voltage circuits grounding the secondary side of VT and CT is not t necessary ...

Page 60: ...r low voltage circuits grounding the secondary side of VT and CT is not t necessary Note 2 Do not connect to NC terminal Auxiliary power supply AC100 to 240V or DC100 to 240V Fuses 0 5A Note 1 For low voltage circuits grounding the secondary side of VT and CT is not t necessary Note 2 Do not connect to NC terminal 3 phase 3 wire 3CT type With VT ...

Page 61: ...DC100 to 240V Fuses 0 5A Note 1 For low voltage circuits grounding the secondary side of CT is not t necessary 1 phase 2 wire type With VT Auxiliary power supply AC100 to 240V or DC100 to 240V Fuses 0 5A Note 1 For low voltage circuits grounding the secondary side of VT and CT is not t necessary ...

Page 62: ...rotective earth conductor Earth the terminal with less than 100 ohm of earth resistance Otherwise there will be a false operation Note for MODBUS RTU Note 1 Use the shielded twisted pair cable Recommended cables Refer to page 82 2 To the units at both ends of the MODBUS RTU link the 120 ohm resistance has to be attached This instrument can perform a 120 ohm termination by short circuiting the term...

Page 63: ...t Maximum Number of Display Digits or Segment Number Number of display digits Upper stage display 6 digits Middle stage display 6 digits Lower stage display 6 digits A V W PF 4 digits Hz 3 digits Wh 9 digits 6 digits or 12 digits possible Operation time 6 digits Bar graph 21 Segment Bar graph 22 Segment Indicator Display updating time interval 0 5s 1s Communication Specification MODBUS RTU communi...

Page 64: ... Interruptions EN61326 1 EN61000 4 11 Safety Europe CE as per EN61010 1 U S and Canada cRUus as per UL61010 1 IEC61010 1 Installation Category Ⅲ Measuring Category Ⅲ Pollution Degree 2 3 Precautions for MODBUS RTU Communication Item Specifications Physical interface RS 485 2wires half duplex Protocol RTU Binary data Synchronization method Start stop synchronization Network topology Daisy chain Bau...

Page 65: ...3 Power maximum scale 4000W 0 STEP 3 3 1 Single Double deflection Single deflection 3 5 Power factor scale 0 5 0 5 to 1 to 0 5 4 4 1 Model name option code Model name 4 2 Version display Version 4 3 Back light brightness 3 4 4 Back light auto off Auto Auto off 4 5 Display update time 0 5s 5 5 1 Alarm item 1 non 5 1 1 Alarm value 1 5 2 Alarm item 2 non 5 2 1 Alarm value 2 5 3 Alarm item 3 non 5 3 1...

Page 66: ...9F Gangseo Hangang xi tower A 401 Yangcheon ro Gangseo gu Seoul 07528 Korea 82 2 3660 9573 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 Lithuania Rifas UAB Tinklu 29A LT 5300 Panevezys Lithuani...

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