Panasonic KW1M Eco-Power METER User Manual Download

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KW1M Eco

－

POWER METER

6.5 For Output connection

Since the transistor output is insulated from the internal circuit by a photo-coupler, it can be used both
as a NPN output and PNP (equal value) output.

・

Wire up to 100m for output connection.

6.6 RS485 Communication

・

When using shielded cable for the RS485 transmission line, ground one end.

Use a class D dedicated earth for grounding. Do not share a ground with other earth lines. (Fig.1)

・

Be sure to connect with daisy chain the RS485 transmission line between each unit.

Do not use a splitter. (Fig.2)

・

With a terminal station, RS485 (E) and RS485 (-) should be

shorted.

(Fig.1) (Fig.2)

Recommended Cable

Use the transmission cables shown below for Eco-POWER METER RS485 communication system.

Conductor Insulator

Cable

Size

Resistance

(at 20

℃）

Material Thickness

Cable

diameter

Applicable cable

1.25 mm

(AWG16)

or more

Max.16.8

/km

Polyethylene

Max.
0.5 mm

Approx.
8.5 mm

HITACHI
KPEV-S
1.25 mm

Belden Inc. 9860

Twisted-

pair

with shield 0.5 mm

(AWG20)

or more

Max.33.4

/km

Polyethylene

Max.
0.5 mm

Approx.
7.8 mm

HITACHI
KPEV-S
0.5 mm

Belden Inc. 9207

VCTF

0.75 mm

(AWG18)

or more

Max.25.1

/km

PVC

Max.
0.6 mm

Approx.
6.6 mm

VCTF
0.75 mm

(JIS)

Cable Section

Twisted-pair

with shield

VCTF

Notes
1) Use shielded type twist cables.
2) Use only one type of the transmission cables.

Do not mix different types of the cables.

3) Use twist pair cables under a bad noise

environment.

Pulse(

＋

) Pulse(

－

)

AKW1111

⑩

⑪

AKW1110

⑪

⑫

RS485(E)

RS485(

－

)

AKW1111

⑨

⑧

AKW1110

⑩

⑨

Load

Power supply for Load

NPN output

Eco-POWER METER

Pulse (

－

)

Pulse (+)

PNP output

Eco-POWER METER

Power supply for Load

Pulse (

－

)

Pulse (+)

＋

Load

－

＋

－

Correct wiring

○

Incorrect wiring

Terminal Terminal
station station

Conductor Insulator

Jacket

Shield

Jacket

Conductor Insulator

(＋)

Shielded cable

To RS-485

device

Shielded cable

Eco-POWER METER

General station

Eco-POWER METER

Terminal station

Class D grounding

(－) (

)

(－) (

)

Shorted

Summary of Contents for KW1M Eco-Power METER

Page 1: ......

Page 2: ...n device What to do Measure Power Mount Connection Settings Count pulse output from other device Output Alarm Wire the main unit Connect the current transformer CT Wire output line Collect data via RS485 Wire communication line Wire input line Power on the main unit Set the parameter for pulse measurement Check measured data with power monitoring mode Set alarm output MODE1 Check count value with ...

Page 3: ...n the maximum of the characteristics and performance that are assured in these specifications Do not dismantle or remodel the product It could lead to abnormal exothermic heat or smoke generation Do not touch the terminal while turning on electricity It could lead to an electric shock Use the external devices to function the emergency stop and interlock circuit Connect the wires or connectors secu...

Page 4: ...oduction Thank you very much indeed for purchasing KW1M Eco POWER METER In this manual we explain the usage of KW1M H Eco POWER METER in detail Please use it correctly after understanding the content enough ...

Page 5: ...ile communication 10 Chapter 4 Setting 11 4 1 Operation procedure AKW1111 400VAC applicable type 11 4 2 Operation procedure AKW1110 12 4 3 Setting Mode Explanation 13 4 3 1 MODE1 13 4 3 2 MODE2 Only AKW1111 400VAC applicable type 17 4 3 3 MODE3 18 4 3 4 MODE4 20 Chapter 5 Various Functions 21 5 1 LOCK mode 21 5 2 Pulse output function 21 5 2 1 Output depends on integrated electric power 21 5 2 2 I...

Page 6: ...pplicable type 37 7 4 3 Data Register List AKW1110 39 Chapter 8 Specifications 42 8 1 Main unit 42 8 2 Input Specifications 42 8 2 1 Electric power input 42 8 2 2 Pulse input only AKW1111 400VAC applicable type 43 8 3 Output Specifications 44 8 3 1 Pulse output Transistor output 44 8 4 Communication Specifications 44 8 5 Dedicated Current Transformer Specifications 45 8 6 Self diagnostic function ...

Page 7: ...o circuit burnout or fire by way of the secondary CT side opening Installation Installation and wiring must be performed by expert personnel for electrical work or electric piping The power supply terminal and voltage input terminal of the main unit is common Therefore if additional noise effects the power supply line incorrect measurements may result Eco POWER METER is designed to be used in a co...

Page 8: ...t turn on the power supply or input until all wiring is completed Before power on Please note the following points when turning on power at the first time Confirm there are neither wiring rubbish nor especially an electrical conduction when installed Confirm neither the power supply wiring the I O wiring nor the power supply voltage are wrong Tighten the installation screw and the terminal screw s...

Page 9: ...three wire Three phase three wire Three phase four wire 1 Power supply 100 240V AC 50 60Hz Measured current input 50A 100A 250A 400A Current transformer Dedicated CT type 5A 50A common 100A 250A 400A Terminal type Screw Terminal M3 screw M3 5 screw 2 1 only for AKW1111 400VAC applicable type 2 M3 5 screws are only for AKW1111 power supply terminal and voltage input terminal P0 P1 P2 and P3 1 1 2 D...

Page 10: ...90 to 90 degree Frequency Hz 47 5 63 0 ON time Hour meter OFF time hour 0 0 99999 9 Pulse counter 0 999999 Eco POWER METER is designed chiefly to manage saving energy It is neither intended nor can it be legally used for billing 1 3 Measurement items AKW1110 Item Unit Data range Integrated electric power Active kWh MWh 0 00 9999 99MWh 9 digit display 0 00 9999999 99kWh Instantaneous electric power...

Page 11: ...king while communication MODE key SET key SHIFT key ITEM key AKW1111 AKW1110 2 2 Key s Functions Key Functions MODE Use to shift setting mode SET Use to set each value entered Reset stand by alarm while output the alarm only available while output the stand by alarm only for AKW1111 400VAC applicable type SET continuous press 3 sec All keys locked Release lock mode while in lock mode SHIFT To sele...

Page 12: ...ricity charge ITEM CO2 Conversion value ITEM Power factor 3 ITEM Frequency 3 ITEM Hour meter Load ON time ON h SHIFT Load OFF time OFF h Press SHIFT to shift ON h OFF h ON h ITEM Pulse Counter 3 ITEM 1 2 The display is changed according to the phase and wire system Current Voltage 1P2W system R current R voltage 1P3W system R current T current R voltage T voltage P1 P0 P2 P0 3P3W system R current ...

Page 13: ...hanged automatically After reaching the full scale 99999 9kWh the value reverts to 0 00kWh but continues to measure How to reset Hold down SET key and press MODE key makes integrated electric power clear Reset ON SET OFF ON MODE OFF How to display with 9 digit Integrated electric power can be displayed with 9 digit Press SHIFT and ITEM simultaneously at integrated electric power display kWh MWh an...

Page 14: ...e type Display System R A S A T A Single phase two wire R current Skip Skip Single phase three wire R current Skip T current Three phase three wire R current S current T current Three phase four wire R current S current T current AKW1110 Display System R A T A Single phase two wire R current Skip Single phase three wire R current T current Three phase three wire R current T current 3 2 4 Voltage P...

Page 15: ...S voltage P2 P0 line voltage Three phase four wire R voltage phase voltage S voltage phase voltage T voltage phase voltage AKW1110 Display System R V RS V T V TS V Single phase two wire R voltage P1 P0 line voltage Skip Single phase three wire R voltage phase voltage T voltage phase voltage Three phase three wire RS voltage P1 P0 line voltage TS voltage P2 P0 line voltage 3 2 5 Electricity Charge ...

Page 16: ...he load ON time or load OFF time measured by CT1 Press SHIFT key to change the load ON time to load OFF time Sample ON time h OFF time h Blinking the decimal point during measurement of ON time Blinking the decimal point during measurement of OFF time When load current is under the setting current for time measurement HM A it measures as OFF time When load current is exceeded to the setting curren...

Page 17: ...N OFF time Hold down SET key and press MODE key makes ON time or OFF time clear ON time and OFF time are reset by each Reset ON SET OFF ON MODE OFF 3 2 10 Counter only AKW1111 It displays present count value pulse input value Press ITEM key to display count value pulse input value Sample Prescale 0 01 After reaching the full scale 999999 the value reverts to 0 but continues to measure How to Reset...

Page 18: ...rns on when the unit power on Even if the display turns off the power indicator is lighting while a current flows to the unit Refer to Mode 4 setting 3 3 2 Indication while communication TX RX indicator is blinking while Eco POWER METER is under communication TX RX indicator POWER indicator ...

Page 19: ...T 1 1 Transmission speed setting mode SPD SET SET Voltage range setting mode VOLT Transmission format setting mode FMT SET SET VT setting mode VT Response time setting mode RESP SET SET Current for time measurement setting mode HM A SET Cutoff current setting mode CUTA SET Unit for pulse output setting mode PL P SET Alarm value setting mode AL P AL C AL S 2 SET Preset value setting mode Cnt 2 SET ...

Page 20: ...T 1 1 Transmission speed setting mode SPD SET SET VT setting mode VT Transmission format setting mode FMT SET SET Current for time measurement setting mode HM A Response time setting mode RESP SET SET Cutoff current setting mode CUTA SET Unit for pulse output setting mode PL P SET Alarm value setting mode AL P AL C 2 SET Press MODE to return Monitor Electricity rate setting RATE SET Conversion fac...

Page 21: ...hen 5A is selected on CT type setting mode Voltage range setting mode VOLT only AKW1111 Mode defines voltage range of Eco Power Meter Select from 400 200 When it measures load of 400V system select 400 When it measures load of 100 200V system select 200 In case measuring the load of 100 200V system with selecting 400 the resolution will be down Select the correct voltage range VT setting mode VT M...

Page 22: ...setting mode 1 AL S only AKW1111 Mode defines the ratio of current used for threshold value to judge stand by power Ratio for the rated current It is set the range of 1 0 100 0 This mode is only when AL S is selected on unit for pulse output setting mode Stand by alarm setting mode 2 AL S only AKW1111 Mode defines the time used for threshold value to judge stand by power It is set the range of 0 t...

Page 23: ...nge CT type CT type is selected from 50 100 250 400 5 50 100 250 400 5 SET Primary side current of CT setting mode Enter primary side current of CT using ITEM SHIFT If measured CT is 100A 5A set to 100 If 5A is measured set to 5 1 4000 Initial 5 It is only when 5A is selected on CT type setting mode SET Voltage range setting mode only AKW1111 Press ITEM SHIFT to change voltage range Voltage range ...

Page 24: ...ode SET Current alarm setting mode Enter current ratio for the rated current for alarm using ITEM SHIFT 1 0 100 0 It is only when AL C is selected on unit for pulse output setting mode SET Stand by alarm setting mode 1 only AKW1111 Enter a ratio for the rated current of current used for threshold value to judge stand by power using ITEM SHIFT 1 0 100 0 It is only when AL S is selected on unit for ...

Page 25: ...peed Select from 2kHz 30Hz Pre scale setting mode PSCL Mode defines pre scale value used for changing count value It can be set the range of 0 001 to 100 000 Initial 1 000 The position of decimal point set with this mode is applied to count value and preset value ex When 0 01 Last 2 digit is set the decimal point of count value and preset value has 2 digit under decimal point Mode2 Setting flow ch...

Page 26: ...e FMT Mode defines serial communication RS485 transmission format Data length Parity Define the transmission format according to the master s PLC etc Select from 8bit o 7bit n 7bit E 7bit o 8bit n 8bit E n none means parity is not available E Even means parity is even number o odd means parity is odd number With MODBUS RTU protocol it works only with 8bit Response time setting mode RESP Mode defin...

Page 27: ...bps 2400bps 4800bps 9600bps SET Transmission format setting mode Press ITEM SHIFT to change transmission format Data length Parity Transmission format is selected from 8bit o 7bit n 7bit E 7it o 8bit n 8bit E n not available E even number o odd number 8bit o 7bit n 7bit E 7it o 8bit n 8bit E SET Response time setting mode Set the response time using ITEM SHIFT SET Monitor 1 99ms ...

Page 28: ...n always light on 1 99 should be set if you want to turn light off at setting time After turns off the LCD any key operation makes it turns on After turns off the LCD only power indicator turns on MODE4 Setting flow chart Monitor MODE MODE 4 Lighting SET Auto off setting mode Enter auto off time by minute using ITEM SHIFT 0 99 0 should be set to turn always light on 1 99 should be set to turn ligh...

Page 29: ... power alarm When it exceeds the setting instantaneous electric power pulse output transistor output turns on in order to notice When it falls below the output turns off 5 2 3 Current alarm When it exceeds the setting current ratio pulse output transistor output turns on in order to notice When it falls below the output turns off 5 2 4 Stand by power alarm only AKW1111 When it detects stand by pow...

Page 30: ...0 1 If the preset value is changed to the value less than the count value counting will continue until it reaches full scale returns to 0 and then reaches the new preset value 2 If the preset value is changed to 0 it will not count up at start with 0 It counts up when the counting value comes to 0 again after reach to full scale However output is OFF if count value or preset value is changed 3 Whe...

Page 31: ...erminal Input voltage Operating power supply 1P2W 100 240VAC 100 240V Line voltage 1P2W 0 440VAC 0 440V Line voltage 1P3W 0 220VAC 0 220V 3W Phase voltage 3P3W 0 440VAC 0 440V 3 Line voltage Measured voltage input 3P4W 0 254VAC 0 254V 3N Phase voltage 6 1 2 Wiring Diagrams Please connect a breaker to the voltage input part for safety reasons and to protect the device Grounding the secondary side o...

Page 32: ...ed When measuring a load with exceed input voltage VT Voltage transformer is needed when you measure a load with over rated input voltage 440V Use commercial VT those secondary rating is 110V Grounding the secondary side of VT Voltage transformer and CT Current transformer is not necessary with low voltage circuit Single phase two wire system Single phase three wire system Three phase three wire s...

Page 33: ... is as follows Terminal Phase and wire Terminal Input voltage Operating power supply 1P2W 100 240VAC 100 240V Line voltage 1P2W 0 220VAC 0 220V Line voltage 1P3W 0 110VAC 0 110V 3W Phase voltage Measured voltage input 3P3W 0 220VAC 0 220V 3 Line voltage 6 2 2 Wiring Diagrams Please connect a breaker to the voltage input part for safety reasons and to protect the device Grounding the secondary side...

Page 34: ...ltage VT Voltage transformer is needed when you measure a load with over rated input voltage 220V Use commercial VT those secondary rating is 110V Grounding the secondary side of VT Voltage transformer and CT Current transformer is not necessary with low voltage circuit Single phase two wire system Single phase three wire system Three phase three wire system ...

Page 35: ...reaker for power supply part To protect the device it is necessary to install power switch and circuit breaker in the power supply circuit And 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 3 We recommend a wire with the cross section of 0 75 to 1 25mm2 for power supply line and meas...

Page 36: ...ut noise at all Please use the thick cable as much as possible To connect CT with secondary side current 5A How to connect the unit to measure by combination with existing commercial CT 1 Select 5A at CT type setting mode CT T 2 Set the primary current of measured commercial CT secondary current 5A at primary side current of CT setting mode CT 1 ex If the measured CT is 400A 5A set to 400 3 Clamp ...

Page 37: ... more Max 16 8Ω km Polyethylene Max 0 5 mm Approx 8 5 mm HITACHI KPEV S 1 25 mm2 1P Belden Inc 9860 Twisted pair with shield 0 5 mm2 AWG20 or more Max 33 4Ω km Polyethylene Max 0 5 mm Approx 7 8 mm HITACHI KPEV S 0 5 mm2 1P Belden Inc 9207 VCTF 0 75 mm2 AWG18 or more Max 25 1Ω km PVC Max 0 6 mm Approx 6 6 mm VCTF 0 75 mm2 2C JIS Cable Section Twisted pair with shield VCTF Notes 1 Use shielded type...

Page 38: ...sure to check that it receives the response from Eco POWER METER In order to improve the communication quality we recommend to send the transmission again Communication timing of RS485 Eco POWER METER Slave side When Eco POWER METER Slave starts transmission to RS485 communication line it is arranged so as to provide an idle status transmission period of about 1 to 99ms setting available before se...

Page 39: ... source AD H L Two digit decimal 01 to 99 ASCII codes Command messages contain a station number for Eco POWER METER that receives the message When FF ASCII code table is used however the transmission is a global transmission sent to all stations at once Note When a global transmission is sent no response to the command message is returned Block check code Bcc H L Two digit hexadecimal 00 to FF ASC...

Page 40: ...it 10 to 1000 R W DT00070 Voltage range Unsigned 16bit 1 400V 2 200V R W DT00077 Ratio for stand by current 0 1 Unsigned 16bit 10 to 1000 R W DT00078 Time for stand by alarm 1min Unsigned 16bit 0 to 9999 R W DT00100 DT00101 Integrated electric power 0 01kWh Unsigned 32bit 0 to 999999999 R W DT00107 R current 0 1A Unsigned 16bit 0 to 60000 R DT00108 S current 0 1A Unsigned 16bit 0 to 60000 R DT0010...

Page 41: ...urrent alarm 0 1 Unsigned 16bit 10 to 1000 R W DT00100 DT00101 Integrated electric power 0 01kWh Unsigned 32bit 0 to 999999999 R W DT00107 R current 0 1A Unsigned 16bit 0 to 60000 R DT00109 T current 0 1A Unsigned 16bit 0 to 60000 R DT00150 DT00151 Load ON time 0 1h Unsigned 32bit 0 to 999999 R W DT00152 DT00153 Load OFF time 0 1h Unsigned 32bit 0 to 999999 R W DT00163 Auto off time min Unsigned 1...

Page 42: ...ion Read data area RD Reads the contents of data area Write data to data area WD Writes data to a data area Resister or Reset data monitored MD Resisters the data to be monitored Monitoring start MG Monitors a registered data Read status RT Reads the specifications of Eco POWER METER and error code if an error occurs RD Read data area Reads the contents of data area Command 10 1 10 0 R D D 10 4 10...

Page 43: ...f Eco POWER METER and error codes if an error occurs Command 101 100 R T 161 160 CR Normal response Read successful 101 100 R T 161 160 161 160 163 162 161 160 161 160 161 160 161 160 163 162 161 160 CR With this unit it responses 99 for Model code1 14 for Model code2 Word No 5 characters Word No 5 characters Bcc Destination Bcc Fixed 6 characters Source BCC Destination Bcc Source Destination Bcc ...

Page 44: ... to 99 01H to 63H Master identifies slaves by the slave address of the requested message Slave informs master which slave is responding to master by placing its own address in the response message Slave address 0 00H broadcast address can identify all slaves connected However slaves do not respond Function code Function code is command code for the slave to undertake the following action types Fun...

Page 45: ...arm value Instantaneous active power 0 01kW Unsigned 32bit 0H to F423FH 0 to 999999 03H 06H 10H 0042H DT00066 VT ratio 0 01 Unsigned 16bit 64H to 270FH 100 to 9999 03H 06H 10H 0043H CT00067 Current threshold for time measurement 0 1 Unsigned 16bit 1H to 3E8H 1 to 1000 03H 06H 10H 0044H DT00068 Cutoff current 0 1 Unsigned 16bit AH to 1F4H 10 to 500 03H 06H 10H 0045H DT00069 Current alarm value 0 1 ...

Page 46: ...o F423FH 0 to 999999 03H 06H 10H 00A0H DT00160 00A1H DT00161 Prescale value Unsigned 32bit 0H to 186A0H 0 to 100000 03H 06H 10H 00A2H DT00162 Max counting speed Hz Unsigned 16bit 1EH 30 7D0H 2000 03H 06H 10H 00A3H DT00163 Auto off time min Unsigned 16bit 0H to 63H 0 to 99 0H always on 03H 06H 10H 00AAH DT00170 00ABH DT00171 R RS voltage 0 1V Unsigned 32bit 0H to F423FH 0 to 999999 03H 00ACH DT0017...

Page 47: ...FH 0 to 999999 03H 06H 10H 0042H DT00066 VT ratio 0 01 Unsigned 16bit 64H to 270FH 100 to 9999 03H 06H 10H 0043H CT00067 Current threshold for time measurement 0 1 Unsigned 16bit 1H to 3E8H 1 to 1000 03H 06H 10H 0044H DT00068 Cutoff current 0 1 Unsigned 16bit AH to 1F4H 10 to 500 03H 06H 10H 0045H DT00069 Current alarm value 0 1 Unsigned 16bit AH to 3E8H 10 to 1000 03H 06H 10H 0064H DT00100 0065H ...

Page 48: ... 16 bit data is appended to the end of message in sequence from low order to high order How to calculate CRC In CRC system the information is divided by the polynomial series The remainder is added to the end of the information and transmitted The generation of polynomial series is as follows Generation of polynomial series X16 X 15 X 2 1 1 Initialize the CRC 16 data assumed as X FFFFH 2 Calculate...

Page 49: ...CRC 16 F474H 3 5 idle characters 2 2 2 character number Response message from slave in normal status 3 5 idle characters Slave address 01H Function code 10H Data item 0064H Number of data item to write 0002H Error check CRC 16 0017H 3 5 idle characters 1 1 2 2 2 character number A response message from the slave in exception error status When number of data has been mistaken Function code MSB is s...

Page 50: ...er failure memory method EEP ROM more than 100 000 overwrite Memory items Setting value Measuring value Size 75 x 90 x 50 mm Weight approx 170g note1 Analog input terminals No 4 No 5 and No 6 No 7 No 13 and No 14 terminals are connected to analog input circuit internal 8 2 Input Specifications 8 2 1 Electric power input Item AKW1111 AKW1110 Phase and wire system Single phase two wire system Single...

Page 51: ...verage 10 to 100 of rated current of CT Hour meter Indication accuracy 0 01 1digit at 20 Monthly accuracy 260 sec for your reference In case power on start or current energizing 0 01 1s 1 digit at 20 Temperature characteristics 1 5 F S 10 1digit Range of 10 to 50 rated input power factor 1 Accuracy without error in CT and VT Frequency characteristics 1 5 F S 1 digit Frequency change 5 based on rat...

Page 52: ...5 Protocol MEWTOCOL MODBUS RTU selectable with setting mode Isolation status Isolated with the internal circuit Number of connected units 99 max 2 3 Transmission distance 1200m max 1 Transmission speed 38400 19200 9600 4800 2400bps selectable with setting mode Data length 8bit 7bit selectable with setting mode 4 Parity Not available Odd number Even number selectable with setting mode Transmission ...

Page 53: ...Storage temperature 20 to 60 without frost and non condensing Ambient humidity 35 80 RH at 20 non condensing Weight with relay cable Approx 60g Approx 85g Approx 215g Approx 315g Note Dedicated current transformers CT AKW4801C 4802C 4803C 4804C are dedicated for low voltage under 440V They can not be used for high voltage circuit In case measuring high voltage circuit make a 2 step construction by...

Page 54: ...KW1M Eco POWER METER 46 Chapter 9 Mounting 9 1 Dimensions 9 1 1 AKW1111 Main unit 9 1 2 AKW1110 Main unit ...

Page 55: ...KW1M Eco POWER METER 47 Panel cutout 9 1 3 Dedicated CT unit mm For 5A 50A AKW4801C tolerance 1 0 ...

Page 56: ...KW1M Eco POWER METER 48 For 100A AKW4802C For 250A AKW4803C ...

Page 57: ...Attached trunk cable common 9 2 How to mount to DIN rail 1 Hook A of main unit on the upper side of DIN rail 2 Making A part as a support fit the bottom side of main unit to DIN rail 3 It will be completely fixed to DIN rail with a click sound ...

Page 58: ...sure an electric power A2 Do you install CT to the correct position and correct direction CT has directions Install CT according to the direction marked From power supply side K to load side L Do you wire measurement voltage input correctly When phases of voltage and current are not matched it can t measure correctly Please check the wiring Q3 How long do I extend CT cable A3 You can extend up to ...

Page 59: ...KW1M Eco POWER METER Revision History Issue Date Manual no Content of revision January 2010 ARCT1F473E First edition ...

Page 60: ......

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