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WAGO-I/O-SYSTEM 750 

Process Image 

37 

750-481/003-000 2AI RTD Ex i 

 

 

6.4 

Configuration for Potentiometer Measuring 

Potentiometer measuring is only possible using 3-wire devices. 

When a potentiometer is used for measurement, the relative position of the 
connected potentiometer is expressed in percent: 

.

)

(R

R

*

%

100

)

(

S

Slider

G

Total

R

R

x

 

Two settings are available, one for potentiometers with total resistance up to 1.2 
k

Ω

 and one for potentiometers up to 5.0 k

Ω

. 

The resolution is 1 digit per 0.0049 %. The increment is determined by the total 
resistance RG of the potentiometer. As RG is measured with 16 bit resolution, 
using RG = 200 

Ω

 in the measuring range of 5.0 k

Ω

, the increment is given by 

%

04

,

0

200

*

65536

0

,

5

*

%

100

k

d

 

Table: 17 Process Image Configuration for potentiometer measuring 

Numercial value 

Percentage 

% 

binary 

hex. 

dec. 

Status- 

byte 

hex. 

LED 

Error

AI 1,2 

0.0 '0000.0000.0000.0000'

0x0000 0 0x00 

off 

20.0 '0000.0111.1101.0000'

0x1000 

4096 

0x00 

off 

40.0 0000.1111.1010.0000'

0x2000 

8192 

0x00 

off 

60.0 '0001.0111.0111.0000'

0x3000 

12288 

0x00 

off 

80.0 '0001.1111.0100.0000'

0x4000 

16384 

0x00 

off 

100.0 '0010.0111.0001.0000'

0x4FFF 

20479 

0x00 

off 

>ca.100.0 '0010.0111.0001.0000'

0x4FFF 20479 0x40 on 

 
Values marked with "ca." are not calibrated. 

Po

 

s: 68 /Dokumentation allgemein/Gliederungselemente/---Seitenwechsel--- @ 3\mod_1221108045078_0.doc @ 21810 @  @ 1 

Manual 

 

1.1.0  

 

Содержание WAGO-I/O-SYSTEM 750 750-481/003-000

Страница 1: ...anual WAGO I O SYSTEM 750 2AI RTD Ex i 750 481 003 000 2 Channel Analog Input Module for Resistance Sensors Ex i 1 1 0 Pos 3 Alle Serien Allgemeine Module Hinweise zur Dokumentation Impressum allgemeine Angaben Anschriften Telefonnummern und E Mail Adressen 3 mod_1219151118203_21 doc 21060 1 ...

Страница 2: ... 8 87 85 55 E Mail support wago com Every conceivable measure has been taken to ensure the accuracy and completeness of this documentation However as errors can never be fully excluded we always appreciate any information or suggestions for improving the documentation E Mail documentation wago com We wish to point out that the software and hardware terms as well as the trademarks of companies used...

Страница 3: ...escription 13 3 1 View 16 3 2 Connectors 17 3 2 1 Data Contacts Internal Bus 17 3 2 2 Power Contacts Field Supply 18 3 2 3 CAGE CLAMP Connections 19 3 3 Display Elements 20 3 4 Operating Elements 20 3 5 Schematic Diagram 21 3 6 Technical Data 22 3 6 1 Device data 22 3 6 2 Supply 22 3 6 3 Kommunikation 22 3 6 4 Inputs 23 3 6 5 Explosion Protection 24 3 7 Approvals 25 3 8 Standards and Guidelines 25...

Страница 4: ...urope according to CENELEC and IEC 39 7 1 2 For America according to NEC 500 42 7 2 Installation Regulations 43 7 2 1 Special Conditions for Safe Operation of the ATEX and IEC Ex acc DEMKO 08 ATEX 142851X and IECEx PTB 07 0064 44 7 2 2 Special conditions for safe use ATEX Certificate TÜV 07 ATEX 554086 X 45 7 2 3 Special conditions for safe use IEC Ex Certificate TUN 09 0001 X 46 7 2 4 ANSI ISA 12...

Страница 5: ...ise Achtung Hinweis zur Dokumentation Busklemmen 750 xxxx 4 mod_1237986979656_21 doc 29023 1 The I O module 750 481 003 000 shall only be installed and operated according to the instructions in this manual and in the manual for the used fieldbus coupler controller Consider power layout of the WAGO I O SYSTEM 750 In addition to these operating instructions you will also need the manual for the used...

Страница 6: ...erious injury Personal Injury Indicates a moderate risk potentially hazardous situation which if not avoided could result in death or serious injury Personal Injury Indicates a low risk potentially hazardous situation which if not avoided may result in minor or moderate injury Damage to Property Indicates a potentially hazardous situation which if not avoided may result in damage to property Damag...

Страница 7: ... 003 000 2AI RTD Ex i Additional Information Refers to additional information which is not an integral part of this documentation e g the Internet s 11 4 Dokumentation allgemein Gliederungselemente Seitenwechsel 3 mod_1221108045078_0 doc 21810 1 Po Manual 1 1 0 ...

Страница 8: ...ns Font type Indicates italic Names of paths and data files are marked in italic type e g C Programme WAGO I O CHECK Menu Menu items are marked in bold letters e g Save A greater than sign between two names means the selection of a menu item from a menu e g File New Input Designation of input or optional fields are marked in bold letters e g Start of measurement range Value Input or selective valu...

Страница 9: ...n 750 xxxx 3 mod_1224061208046_21 doc 24063 3 1 2 1 2 Personnel Qualifications All sequences implemented on Series 750 devices may only be carried out by electrical specialists with sufficient knowledge in automation The specialists must be familiar with the current norms and guidelines for the devices and automated environments All changes to the coupler or controller should always be carried out...

Страница 10: ...od_1221060446109_21 doc 21723 3 1 2 1 4 Technical Condition of Specified Devices The components to be supplied Ex Works are equipped with hardware and software configurations which meet the individual application requirements WAGO Kontakttechnik GmbH Co KG will be exempted from any liability in case of changes in hardware or software as well as to non compliant usage of components Please send your...

Страница 11: ...ten beachten 6 mod_1260180657000_21 doc 46735 1 Po s 14 10 4 Alle Serien Allgemeine Module Wichtige Erläuterungen Sicherheitshinweise Gefahr Gefahr Auf normgerechten A schluss achten 6 mod_1260180753479_21 doc 46739 1 Po n s 14 11 1 Alle Serien Allgemeine Module Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Defekte oder beschädigte Geräte austauschen 6 mod_1260180857358_21 doc 46743 1...

Страница 12: ...everse polarity of data and power supply lines as this may damage the devices involved s 14 11 6 Alle Serien Allgemeine Module Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Elektrostatische Entladung vermeiden 6 mod_1260181364729_21 doc 46759 1 Po Avoid electrostatic discharge The devices are equipped with electronic components that you may destroy by electrostatic discharge when you ...

Страница 13: ... Serie 750 WAGO I O SYSTEM Gerätebeschreibung Beschreibung I O Beschreibung AI I O Beschreibung 750 04xx 2 AI RTD NTC 7 mod_1274420216920_21 doc 56930 1 The module has two input channels allowing the direct connection of two 2 or 3 wire resistance sensors For example two 3 wire sensors can be connected either to R1 RL1 and R1 or to R2 RL2 and R2 Pos 17 6 Serie 750 WAGO I O SYSTEM Gerätebeschreibun...

Страница 14: ... voltage supply for the field level from an upstream Ex i I O module or from an Ex i power supply module via the power contacts used as blade contacts It then provides this potential to subsequent I O modules via the power contacts used as spring contacts Pos 17 15 Serie 750 WAGO I O SYSTEM Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Maximaler Strom Ex i Einspeisung 750 06xx 0 5 A 1...

Страница 15: ... another Pos 17 19 Serie 750 WAGO I O SYSTEM Gerätebeschreibung Beschreibung Versorgung Anordnung in Ex i Segment beliebig 4 mod_1241506600203_21 doc 32297 1 Any configuration of the input modules is possible within an intrinsically safe segment when configuring the fieldbus node An arrangement in groups within the group of potentials is not necessary Pos 17 20 Serie 750 WAGO I O SYSTEM Gerätebesc...

Страница 16: ... 5 1 3 2 5 4 6 7 Fig 2 View Table 3 Caption acc to figure View Nr Designation Description Details see chapter 1 Marking possibility with Mini WSB 2 A B E F Status LEDs Technical manual Display elements 3 Data contacts Technical manual Connections 4 1 3 4 5 7 8 CAGE CLAMP supplies Resistance sensors Technical manual Connections 5 Power jumper contacts 24 V Technical manual Connections 6 Release cli...

Страница 17: ...acts Figure 3 Data contacts Pos 24 2 Serie 750 WAGO I O SYSTEM Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Busklemmen nicht auf Goldfederkontakte legen 7 mod_1266318463636_21 doc 50695 1 Do not place the I O modules on the gold spring contacts Do not place the I O modules on the gold spring contacts in order to avoid soiling or scratching s 24 3 Serie 750 WAGO I O SYSTEM Wichtige Er...

Страница 18: ...Function 1 Blade contact 2 Infeed of the field supply voltage UV and 0 V 1 2 1 2 Figure 4 Power jumper contacts 2 Spring contact 2 Forwarding of the field supply voltage UV and 0 V Pos 27 3 Serie 750 WAGO I O SYSTEM Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Maximaler Strom Ex i Einspeisung 750 06xx 0 5 A 1 0 A 7 mod_1274358256668_21 doc 56898 1 Do not exceed maximum current via po...

Страница 19: ...s Connection Chann el Designation Function 1 left R 1 Input AI 1 Sensor R 3 left RL 1 Input AI 1 Sensor RL 4 left R 1 Input AI 1 Sensor R 4 right 1 S Input AI 1 Shield connection 5 right R 2 Input AI 2 Sensor R 7 right RL 2 Input AI 2 Sensor RL 8 left R 2 Input AI 2 Sensor R 8 right 2 S Input AI 2 Shield connection Power jumper contacts 24 V Field supply 24 V R1 R2 750 481 003 000 RL1 RL2 S S R1 R...

Страница 20: ...ange underflow of the admissible measuring range broken wire short circuit off No operational readiness or the internal data bus communication is interrupted E State AI 2 green Operational readiness and trouble free internal data bus communication of Normal operation 13 14 15 16 A E B F Figure 6 Display elements F 2 Error AI 2 red Overrange underflow of the admissible measuring range broken wire s...

Страница 21: ...STEM Gerätebeschreibung Schematische Schaltbilder Analogeingangsklemmen Schematisches Schaltbild 750 0481 5 mod_1246000666921_21 doc 36168 1 750 481 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 0 V R 1 R 2 R 330pF RL 330pF 330pF R MUX A D R 1 R 2 24 V RL 1 RL 2 003 000 4 7nF 10nF DC DC 24 V 0 V Shield screen Logic Function Error Shield screen Fig 7 Schematic diagram Pos 39 Dokumentation allgemein Gliederungsel...

Страница 22: ... edge of 35 DIN rail 64 mm Depth 100 mm Weight ca 94 2 g 3 6 2 Supply Table 8 Technical data supply Voltage supply Via system voltage terminal bus 5 V DC and power contacts 24 V DC Current consumption typ internal 5 V DC 25 mA Stromaufnahme Leistungskontakte max 24 V DC 12 mA Voltage via power jumper contacts 24 V DC Supply via Ex i supply module Current via power contacts max 500 mA 1000 mA depen...

Страница 23: ...Pt 500 Pt 1000 Ni 100 Ni 120 Ni 1000 Resistance measuring 1 2 kΩ 5 kΩ Potentiometer 1 2 kΩ 0 100 5 kΩ 0 100 Sensor connection 3 wire factory preset or 2 wire Temperature range 200 C 850 C Pt 60 C 250 C Ni 80 C 320 C Ni120 Resolution over whole range 0 1 C 0 1 Ω 0 0049 Resolution 150 ms 500 ms per Channel Measuring current 0 5 mA Measuring error 25 C 0 2 of full scale value Temperature coefficient ...

Страница 24: ...ia IIC 0 9 H 13 5 µF Ex ia IIB 1 H 240 µF Reactance without consideration of the simultaneousness Ex ia I 1 H 1000 µF L0 C0 0 01 mH 7 40 µF 0 2 mH 2 60 µF 1 0 mH 1 80 µF 10 0 mH 1 20 µF Ex ia II C 100 0 mH 0 97 µF 0 01 mH 60 0 µF 0 2 mH 15 0 µF 1 0 mH 9 7 µF 10 0 mH 6 3 µF Ex ia II B 100 0 mH 4 8 µF 0 01 mH 120 µF 0 05 mH 46 µF 0 2 mH 28 µF 1 0 mH 18 µF Reactance with consideration of the simultan...

Страница 25: ...2 IP6X T135 C Pos 48 2 Alle Serien Allgemeine Module Zulassungen Ex Zulassungen Ergänzung Betriebstemperatur 0 C TA 60 C 9 mod_1295605895541_21 doc 68610 1 Permissible operation temperature 0 C TA 60 C s 48 3 Alle Serien Allgemeine Module Zulassungen Ex Zulassungen TÜV TUN 09 001X Ex ia I Ex nA ia IIC T4 Ex tD iaD A22 IP6X T135 C 5 mod_1245299576890_0 doc 35532 1 Po TÜV TUN 09 0001X Ex ia I Ex nA ...

Страница 26: ...56 3 Serie 750 WAGO I O SYSTEM Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Busklemmen in vorgegebener Reihenfolge stecken 6 mod_1256194177073_21 doc 43429 1 Po Connect the I O modules in the required order Never plug bus modules from the direction of the end terminal A ground wire power contact which is inserted into a terminal without contacts e g a 4 channel digital input module h...

Страница 27: ...or in manual System Description WAGO I O SYSTEM 750 s 56 9 Alle Serien Allgemeine Module Wichtige Erläuterungen Sicherheitshinweise Achtung Achtung Arbeiten an Geräten nur spannungsfrei durchführen 6 mod_1256193963573_21 doc 43426 1 Po Perform work on devices only if the system is de energized Working on devices when the system is energized can damage the devices Therefore turn off the power suppl...

Страница 28: ...subsequent I O module are established Pos 56 11 Serie 750 WAGO I O SYSTEM Montieren Busklemme entfernen 4 mod_1239169375203_21 doc 30334 3 1 4 2 2 Removing the I O Module 1 Remove the I O module from the assembly by pulling the release tab Figure 10 Removing the I O module Electrical connections for data or power contacts are disconnected when removing the I O module Pos 57 Dokumentation allgemein...

Страница 29: ...le connection If more than one conductor must be routed to one connection these must be connected in an up circuit wiring assembly for example using WAGO feed through terminals Exception If it is unavoidable to jointly connect 2 conductors then you must use a ferrule to join the wires together The following ferrules can be used Length 8 mm Nominal cross section max 1 mm2 for 2 conductors with 0 5 ...

Страница 30: ... 5 2 Connection Examples Pos 62 Serie 750 WAGO I O SYSTEM Anschließen Anschlussbeispiele Analogeingangsklemmen Anschlussbeispiele 750 0481 5 mod_1247206698529_21 doc 37114 3333 1 5 2 1 2 x RTD 2 Conductors R1 R2 750 481 003 000 RL1 RL2 S S R1 R2 Fig 12 Example Connection 2 x RTD 2 wire 5 2 2 2 x RTD 3 Conductors R1 R2 750 481 003 000 RL1 RL2 S S R1 R2 Fig 13 Example Connection 2 x RTD 3 wire Manua...

Страница 31: ... 750 481 003 000 RL1 RL2 S S R1 R2 Fig 14 Example Connection 2 x Resistance 5 2 4 2 x Potentiometer R1 R2 750 481 003 000 RL1 RL2 S S R1 R2 Fig 15 Example Connection 2 x Potenziometer Pos 63 Dokumentation allgemein Gliederungselemente Seitenwechsel 3 mod_1221108045078_0 doc 21810 1 Manual 1 1 0 ...

Страница 32: ...rocess value by means of a status byte This status byte can be displayed via the commissioning tool WAGO I O CHECK However processing via the fieldbus coupler controller is optional which means that accessing or parsing the status information depends on the fieldbus system mod_1246000802093_21 doc 36184 2222 1 The input module 750 481 003 000 transmits 16 bit measured values and 8 optional status ...

Страница 33: ... 0000 0000 0x0000 0 0x00 off 100 0 0000 0011 1110 1000 0x03E8 1000 0x00 off 200 0 0000 0111 1101 0000 0x07D0 2000 0x00 off 500 0 0001 0011 1000 1000 0x1388 5000 0x00 off 750 0 0001 1101 0100 1100 0x1D4C 7500 0x00 off 800 0 0001 1111 0100 0000 0x1F40 8000 0x00 off 850 0 0010 0001 0011 0100 0x2134 8500 0x00 off 850 0 0010 0001 0011 0100 0x2134 8500 0x42 on Broken wire against RL 0010 0001 0011 0100 ...

Страница 34: ...resented in two s complement binary form Table 13 Process Image Configuration for Ni 100 and Ni 1000 with broken wire diagn Numercial value 1 Temperature C binary hex dec Status byte hex LED Error AI 1 2 60 0 1000 0000 0000 0001 0x8001 32767 0x41 on 60 0 1111 1101 1010 1000 0xFDA8 600 0x00 off 50 0 1111 1110 0000 1100 0xFE0C 500 0x00 off 0 0 0000 0000 0000 0000 0x0000 0 0x00 off 50 0 0000 0001 111...

Страница 35: ...0 0001 1111 0100 0x01F4 500 0x00 off 100 0 0000 0011 1110 1000 0x03E8 1000 0x00 off 150 0 0000 0101 1101 1100 0x05DC 1500 0x00 off 200 0 0000 0111 1101 0000 0x07D0 2000 0x00 off 250 0 0000 1001 1100 0100 0x09C4 2500 0x00 off 300 0 0000 1011 1011 1000 0x0BB8 3000 0x00 off 320 0 0000 1100 1000 0000 0x0C80 3200 0x00 off 320 0 0010 0001 0011 0100 0x2134 8500 0x42 on Broken wire against RL 0010 0001 00...

Страница 36: ...1 0100 1100 0x1D4C 7500 0x00 off 1000 0010 0111 0001 0000 0x2710 10000 0x00 off 1200 0010 1110 1110 0000 0x2EE0 12000 0x00 off ca 1200 0010 0001 0011 0100 0x2134 8500 0x42 on Values marked with ca are not calibrated In the measuring range from 10 Ω to 5 0 kΩ the resolution is 1 digit per 0 5 Ω Table 16 Process Image Configuration for measuring range 10 Ω 5 kΩ Numercial value Resistance Ω binary he...

Страница 37: ...er As RG is measured with 16 bit resolution using RG 200 Ω in the measuring range of 5 0 kΩ the increment is given by 04 0 200 65536 0 5 100 k d Table 17 Process Image Configuration for potentiometer measuring Numercial value Percentage binary hex dec Status byte hex LED Error AI 1 2 0 0 0000 0000 0000 0000 0x0000 0 0x00 off 20 0 0000 0111 1101 0000 0x1000 4096 0x00 off 40 0 0000 1111 1010 0000 0x...

Страница 38: ...34272230203_21 doc 27500 1 The WAGO I O SYSTEM 750 electrical equipment is designed for use in Zone 2 hazardous areas The following sections include both the general identification of components devices and the installation regulations to be observed The individual subsections of the Installation Regulations section must be taken into account if the I O module has the required approval or is subje...

Страница 39: ...STEM Einsatz in Ex Bereichen Bedruckung gemäß CENELEC und IEC 7 mod_1274340031573_21 doc 56687 1 Figure 16 Example for lateral labeling of bus modules Figure 17 Printing on text detail in accordance with CENELEC and IEC Table 18 Description of Printing on Printing on Text Description DEMKO 08 ATEX 142851 X IECEx PTB 07 0064X Approval body and or number of the examination certificate I M2 II 3 GD E...

Страница 40: ... Ex i s 69 8 Serie 750 WAGO I O SYSTEM Einsatz in Ex Bereichen Bedruckung gemäß Ex i und IEC Ex i 7 mod_1274338578856_21 doc 56679 1 Po Figure 18 Example of side marking of Ex i and IEC Ex i approved I O modules Figure 19 Inscription text detail acc CENELEC and IEC Manual 1 1 0 ...

Страница 41: ...tally protected against dust T 135 C Max surface temp of the enclosure no dust bin Mining I Device group Mining M2 Device category High degree of safety Ex ia Explosion protection Mark with category of type of protection intrinsic safety Even safe when two errors occur I Device group Mining Gases II Device group All except mining 3 1 G Device category Zone 2 device Zone 0 subunit Ex Explosion prot...

Страница 42: ... Ex Bereichen Bedruckung gemäß NEC 7 mod_1274339607920_21 doc 56683 1 Figure 20 Example for lateral labeling of bus modules Figure 21 Printing on text detail in accordance with NEC Table 20 Description of Printing on Printing on Text Description CL 1 Explosion protection group condition of use category DIV 2 Area of application zone Grp ABCD Explosion group gas group Optemp code T4 Temperature cla...

Страница 43: ...ages above 1 kV DIN VDE 0800 Installation and operation in telecommunication plants including information processing equipment DIN VDE 0185 lightning protection systems The USA and Canada have their own regulations The following are excerpts from these regulations Table 22 Installation Regulations in USA and Canada NFPA 70 National Electrical Code Art 500 Hazardous Locations ANSI ISA RP 12 6 1987 ...

Страница 44: ...ed in an IP 64 minimum enclosure for 230 V AC applications I O module 750 440 may be used up to max 120 V AC When used in the presence of combustible dust all devices and the enclosure shall be fully tested and assessed in compliance with the requirements of IEC 61241 0 2004 and IEC 61241 1 2004 I O modules fieldbus plugs or fuses may only be installed added removed or replaced when the system and...

Страница 45: ...ts are operated without the fieldbus coupler station type 750 3 DEMKO 08 ATEX 142851 X measures must be taken outside of the device so that the rating voltage is not being exceeded of more than 40 because of transient disturbances 3 DIP switches binary switches and potentiometers connected to the module may only be actuated when explosive atmosphere can be excluded 4 The connecting and disconnecti...

Страница 46: ...all be certified by an ExCB 2 Measures have to be taken outside of the device that the rating voltage is not being exceeded of more than 40 because of transient disturbances 3 DIP switches binary switches and potentiometers connected to the module may only be actuated when explosive atmosphere can be excluded 4 The connecting and disconnecting of the non intrinsically safe circuits is only permitt...

Страница 47: ... from the fuse The switch need not be integrated in the equipment For devices with Ethernet connectors Only for use in LAN not for connection to telecommunication circuits NOTICE Use only with antenna module 758 910 Use Module 750 642 only with antenna module 758 910 Pos 69 27 Dokumentation allgemein Gliederungselemente Leerzeile 3 mod_1224662755687_0 doc 24460 1 Pos 69 28 Dokumentation allgemein ...

Страница 48: ... 11 Connecting a conductor to a CAGE CLAMP 29 Fig 12 Example Connection 2 x RTD 2 wire 30 Fig 13 Example Connection 2 x RTD 3 wire 30 Fig 14 Example Connection 2 x Resistance 31 Fig 15 Example Connection 2 x Potenziometer 31 Figure 16 Example for lateral labeling of bus modules 39 Figure 17 Printing on text detail in accordance with CENELEC and IEC 39 Figure 18 Example of side marking of Ex i and ...

Страница 49: ...xplosion Protection 24 Table 12 Process Image Configuration for Pt 100 Pt 200 Pt 500 and Pt 1000 with broken wire diagn 33 Table 13 Process Image Configuration for Ni 100 and Ni 1000 with broken wire diagn 34 Table 14 Process Image Configuration for Ni 120 with broken wire diagn 35 Table 15 Process Image Configuration for measuring range 10 Ω 1 2 kΩ 36 Table 16 Process Image Configuration for meas...

Страница 50: ...9 mod_1285229376516_21 doc 64944 1 WAGO Kontakttechnik GmbH Co KG Postfach 2880 D 32385 Minden Hansastraße 27 D 32423 Minden Phone 49 5 71 8 87 0 Fax 49 5 71 8 87 1 69 E Mail info wago com Internet http www wago com Ende der Liste für Textmarke Einband_hinten ...

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