Siemens SIMATIC AFD4 Product Information Download Page 42

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Technical specifications

3.7 Abbreviations

Active field distributors AFD4, AFD4 (FM), AFD8 and AFS

Product Information, 02/2015, A5E03775304-AC

Data transmission
Between main line and spur lines

Passive, no repeater function

Galvanic isolation
Between main line and spur lines

Environmental requirements
Operating temperature

•

Min.

-40 °C

•

Max.

70 °C

Storage/transport temperatures

•

Min.

-40 °C

•

Max.

85 °C

Relative humidity

Operation, max.

95%

Degree of protection

IP66

Yes

Installation
Zone 2 / Zone 22

Yes

Class I Zone 2 / Division 2

Yes

3.7

Abbreviations

Abbreviation

Meaning

AFD

Active Field Distributor

AFS

Active Field Splitter

FDC

Field Device Coupler

FOUNDATION Fieldbus

Process automation

Equipotential bonding

Spur; Connection for field devices (spur line)

Trunk, connection of the main line between the field distributors AFD4 / AFD4

(FM) / AFD8, AFS or FDC

Summary of Contents for SIMATIC AFD4

Page 1: ...d AFS ___________________ ___________________ ___________________ SIMATIC Bus links Active field distributors AFD4 AFD4 FM AFD8 and AFS Product Information 02 2015 A5E03775304 AC Introduction 1 Installing and connecting 2 Technical specifications 3 ...

Page 2: ...perated only by personnel qualified for the specific task in accordance with the relevant documentation in particular its warning notices and safety instructions Qualified personnel are those who based on their training and experience are capable of identifying risks and avoiding potential hazards when working with these products systems Proper use of Siemens products Note the following WARNING Si...

Page 3: ...e active field distributor AFD4 AFD4 FM AFD8 29 2 9 LED displays of the active field splitter AFS 30 3 Technical specifications 31 3 1 Standards and approvals for active field distributors AFD4 AFD8 and AFS 31 3 2 Standards and approval of active field distributor AFD4 FM 33 3 3 Technical specifications of active field distributors AFD4 6ES7157 0AG81 0XA0 33 3 4 Technical specifications for active...

Page 4: ... of the interior AFD4 1414 Figure 2 3 Schematic representation of the interior AFD4 FM 1515 Figure 2 4 Rules for connecting the main lines 1717 Figure 2 5 Connections of AFD4 1919 Figure 2 6 Connections of AFD4 FM 1919 Figure 2 7 Connections of AFD8 1919 Figure 2 8 Terminal block AFD4 AFD4 FM AFD8 2020 Figure 2 9 Preparing the bus cable 2222 Figure 2 10 AFS connections 2323 Figure 2 11 AFS termina...

Page 5: ...compatible with the previous models AFD with order number 6ES7157 0AF81 0XA0 or AFS with order number 6ES7157 0AF82 0XA0 Keep in mind the larger dimensions when replacing the devices Setting the dimensions of plants When setting the dimensions of plants with active field distributors use the SIMATIC Fieldbus Calculator It is available for download from the Internet http support automation siemens ...

Page 6: ...edundancy You can use the following field distributors in a segment Up to 8 field distributors when using AFD4 AFD4 FM AFD8 only Up to 5 field distributors with mixed use of at least one AFDiS and other AFD4 AFD4 FM AFD8 field distributors The total number of field devices in a segment is 31 devices and it is limited by a maximum of 60 mA per spur line Functions Connection of field devices for a f...

Page 7: ... 2 FDC 157 couplers to a field bus segment It enables operation of coupler redundancy on the line this way The total number of field devices on the line is 31 devices limited by a maximum current of 1 A Functions If a fault occurs the main line automatically switches to the redundant FDC 157 coupler Properties 2 M16 cable glands for the main line 4 M16 cable glands for the segment Connection using...

Page 8: ...ys connected directly to the FDC 157 coupler See also Safety instructions for connection Page 14 1 4 Configuration with active field distributors Installation with ring redundancy The graphic below provides an example of the configuration with ring redundancy The symbols for AFD4 field distributors are shown without cable glands for the main lines to maintain clarity Figure 1 1 Example Configurati...

Page 9: ... AFS Product Information 02 2015 A5E03775304 AC 9 Reference You can find additional configuration variants in the application planning section of the Bus Couplings manual DP PA Coupler Active Field Distributors DP PA Link and Y Link manual on the Internet http support automation siemens com WW view en 1142696 ...

Page 10: ...Introduction 1 4 Configuration with active field distributors Active field distributors AFD4 AFD4 FM AFD8 and AFS 10 Product Information 02 2015 A5E03775304 AC ...

Page 11: ... the connection of main lines and spur lines You can find the drill hole spacing on the back of the enclosure base see Technical specifications Tools required Phillips screwdriver size 4 4 M6 fixing screws dowels depending on the substrate Screwdriver suitable for the fixing screws used Procedure WARNING Risk of injury There is risk of injury due to heavy weight of the field distributor Hold the d...

Page 12: ... to the grounding terminal of the field distributor Torque 2 0 Nm 3 Connect the grounding cable to the equipotential bonding PA in accordance with EN 60079 14 DANGER Explosion hazard Sparks may occur when connecting in some circumstances Never perform the work under explosive conditions Note Read the safety instructions in the section Safety instructions for connection Page 14 Equipotential bondin...

Page 13: ...the safe area This is possible if the equipotential bonding PA runs from the FDC 157 couplers in the safe area to the field devices in hazardous areas which means if a corresponding equipotential bonding conductor is installed Note Direct grounding The braided shielding of the connection cables must be guided under the shielding clamps of the active field distributors Example Direct grounding of A...

Page 14: ...n accordance with EN 60079 14 and any regulations specific to your country DANGER Explosion hazard Sparks may occur when connecting in some circumstances Therefore use a non magnetic screwdriver when connecting the cables DANGER Explosion hazard A tensile load on the screws of the AFD4 AFD4 FM AFD8 and AFS can impair the degree of protection and is not permitted Implement a fixed Installation for ...

Page 15: ...P30 cover during operation for visual inspection NOTICE IP30 Cover with AFS Despite the IP30 cover the requirements for Zone 2 are not met because the AFS is always connected directly to the FDC 157 coupler Zone 2 Disconnecting the main line connecting the main line to AFD4 AFD4 FM AFD8 DANGER Explosion hazard In hazardous area Zone 2 you are not permitted to disconnect the main line from an AFD4 ...

Page 16: ... AFS 16 Product Information 02 2015 A5E03775304 AC Zone 2 Disconnecting the main line connecting the main line to AFS DANGER Explosion hazard In hazardous area Zone 2 you are not permitted to disconnect lines from an AFS during operation Before you start the work disconnect the FDC 157 coupler s from the voltage ...

Page 17: ...ive field distributors AFD4 AFD4 FM AFD8 and AFS Product Information 02 2015 A5E03775304 AC 17 Rules for connecting the main lines The following examples illustrate the rules that you must observe when connecting main lines Figure 2 4 Rules for connecting the main lines ...

Page 18: ...FM AFD8 AFDiS Disconnect FDC 1 and FDC 2 from the voltage when disconnecting the line 1 on AFS and AFD4 AFD4 FM AFD8 AFDiS The following applies to all configurations The lines 3 can be connected during operation each highlighted in green in the figure The spur lines S1 to S8 can always be connected during operation Marking the main lines Note Mark the main lines on the field distributors which yo...

Page 19: ...03775304 AC 19 2 4 Connecting the field bus to the active field distributors AFD4 AFD4 FM AFD8 Introduction The bus cables of the AFD4 AFD4 FM AFD8 field distributors are fed into the enclosure via cable glands The main line using T1 and T2 The spur lines to the field devices using S1 to S4 S8 Figure 2 5 Connections of AFD4 Figure 2 6 Connections of AFD4 FM Figure 2 7 Connections of AFD8 ...

Page 20: ...T1 T2 Main line Data line Data line S1 to S4 S8 Spur line to the field devices Data line Data line Basic procedure 1 Prepare the bus cable 2 Connect the bus cable Open the field distributor Connect the wires to the terminal block Close the field distributor Preparation of the AFD4 FM Note Replace blanking caps with UL or CSA approved lead throughs for connection of additional field devices The cus...

Page 21: ...ines and spur lines Stripping dimensions Length of stripping Main line T1 T2 Spur lines S1 S8 Direct grounding a 90 mm 70 mm Commissioning plants with active field distributors AFD4 AFD4 FM AFD8 NOTICE Bus system failure If the event of a fault the bus system may fail completely or partially Before you commission a plant with ring redundancy check the redundancy function by means of a line interru...

Page 22: ...the bus cables of the pin assignment through the cable glands 3 For direct grounding run the braided shielding of the bus cable under the shielding clamps 4 Connect the wires to the terminal block Ensure that the wires have the correct polarity Torque 0 35 Nm 5 Tighten the screw caps of the cable glands with a torque of 1 3 Nm NOTICE Impairment of the degree of protection The degree of protection ...

Page 23: ...T2 and Y must be assumed when using the AFS without a downstream AFD The bus cables are guided into the enclosure by means of cable glands The main line to the couplers using T1 and T2 The spur cables to the line using Y all Y terminal connections are equivalent Figure 2 10 AFS connections Center feed Loop through of the line If you loop through the line on the AFS active field distributor using t...

Page 24: ... con nectors are provided for max 2 bus lines each with a terminating resistor at the end of the line Data line Data line Basic procedure 1 Prepare the bus cable 2 Connect the bus cable Open the field distributor Connect the wires to the terminal block Close the field distributor Requirement Active field distributor is mounted and grounded Tools required Cross tip screwdriver size 4 Open ring wren...

Page 25: ...les of the terminal assignment through the cable glands 3 For direct grounding run the braided shielding of the bus cable under the shielding clamps 4 Connect the wires to the terminal block Ensure that the wires have the correct polarity Torque 0 35 Nm 5 Tighten the screw caps of the cable glands with a torque of 1 3 Nm NOTICE Impairment of the degree of protection The degree of protection may be...

Page 26: ...sual checks allowed Warning The enclosure of the AFD4 AFD4 FM AFD8 AFS must not be opened for this activity in areas with dust Cleaning allowed Not permitted Maintenance during operation Carry out maintenance every 6 months in the hazardous area Maintenance of the AFD4 AFD4 FM AFD8 AFS is basically restricted to visual inspections The AFD4 AFD4 FM AFD8 AFS may be in operation during this Zone 2 Zo...

Page 27: ...m the voltage before you replace the AFD4 6ES7157 0AG81 0XA0 AFD4 FM 6ES7655 5DX40 1AA1 and AFD8 6ES7157 0AG82 0XA0 field distributors Note Read the safety instructions in the section Safety instructions for connection Page 14 Replacing active field distributor AFD4 AFD4 FM AFD8 Note At points where you want to connect devices replace the blanking caps inserted in the delivery state with FM approv...

Page 28: ...aps with 1 3 Nm 11 Place the enclosure cover on the base and tighten the 4 screws with the washers on the enclosure with a torque of 2 4 Nm Replacing active field splitter AFS DANGER Explosion hazard in Zone 2 In hazardous area Zone 2 you are not permitted to disconnect lines from an AFS during operation Before you start the work disconnect the voltage supply to the FDC 157 coupler s Perform the f...

Page 29: ...messages LED T1 T2 LED S1 to S8 Meaning Remedy green Main line is connected Bus termination is inactive orange Automatic bus termination is active Cause For example last AFD in the line Short circuit or no load operation on the respective seg ment of the main line T1 or T2 Flashes or ange Cover of the main line terminal is open Close the cover Off Wires of a main line are reversed Correct the wiri...

Page 30: ...e or slow flashing occurs 2 9 LED displays of the active field splitter AFS Status and error messages from the active field splitter AFS Figure 2 14 LED display AFS Table 2 5 Status and error messages LED T1 T2 LED Y Meaning Remedy green Main line is connected Bus termination is inactive Red Short circuit or no load operation on the main line to a cou pler Eliminate the cause of the error Flashes ...

Page 31: ...sion protection directive The EC Declarations of Conformity are available to the relevant authorities at the following address Siemens Aktiengesellschaft Industry Sector I IA AS FA WF AMB Postfach 1963 D 92209 Amberg ATEX approval AFD4 AFD8 AFS II 3G Ex nA ic ic IIC T4 Gc II 3D Ex tc ic IIIC T80 C Dc IP66 II 3G Ex nA IIC T4 Gc II 3D Ex tc IIIC T80 C Dc IP66 DEKRA 12ATEX0222X Ta 40 C 70 C according...

Page 32: ...age 14 IECEx approval IECEx DEK 12 0069X INMETRO approval UL BR 13 0746X Korea approval KC registration number KCC REM S49 DPPA Please note that this device corresponds to limit value class A in terms of the emission of radio frequency interference This device can be used in all areas except residential areas 이 기기는 업무용 A급 전자파 적합기기로서 판매자 또는 사용자는 이 점을 주의하시기 바라며 가정 외의 지역에서 사용하는 것을 목적으로 합니다 Tick mark ...

Page 33: ...llation in DIV 1 Zone 1 or Zone 0 hazardous classified locations 2 AFD4 FM and all other approved devices in the fieldbus system must be installed in accordance with the manufacturer s instructions 3 Replace blank out panels caps by UL or CSA approved lead throughs for connection of more field devices Customer has to use a gland and cable listed for the application based on the NEC and CEC Install...

Page 34: ...er consumption at no load 24 mA Power consumption 24 mA total current of all field devices Additional power consumption of the AFD4 at end of line 30 mA Power consumption at max current output per spur line 264 mA Power loss Power loss min 384 mW Power loss max 3 2 W Interfaces PROFIBUS PA Yes FOUNDATION Fieldbus H1 Yes Connections Main cables Quantity 2 Connection terminals internal Screw type te...

Page 35: ...t circuit current test current 6 mA Debounce logic Yes Maximum no load voltage on spur line 30 V Max current output to field devices 240 mA Grounding Direct grounding Via ground rails Interrupts diagnostics status information Status display Yes Interrupts None Diagnostics function Yes Diagnostic indicator LED Yes Data transmission Between main line and spur lines Passive no repeater function Galva...

Page 36: ...necessary Rated value Valid range lower limit DC 16 V Valid range upper limit DC 32 V Polarity reversal protection Yes in conjunction with FDC 157 Overvoltage protection No Current consumption Current consumption at idle 24 mA Current consumption 24 mA total current of all field devices Additional current consumption of AFD4 at end of line 30 mA Current consumption at max current output per spur l...

Page 37: ...ss section 0 2 mm2 Max conductor cross section 2 5 mm2 Short circuit proof Yes Intrinsically safe according to FISCO No Max DC current of the field devices spur line 1 to 4 60 mA Short circuit current test current 6 mA Debounce logic Yes Max no load voltage on the spur line 30 V Max current output to field devices 240 mA Grounding Direct grounding By means of grounding bar Interrupts diagnostics s...

Page 38: ...ensions and weight Dimension W x H x D mm 360 x 120 x 83 without cable gland Mounting dimensions mm 344 x 82 Weight 3000 g Supply voltages Description By bus no auxiliary power necessary Rated value Low limit of permitted range DC 16 V High limit of permitted range DC 32 V Polarity reversal protection Yes in conjunction with FDC 157 Overvoltage protection No Power consumption Power consumption at ...

Page 39: ...8 Number of connectable field devices 8 Connection terminals Screw type terminals 2 pin Cable gland M16 Cable type Type A Min cable diameter 4 mm Max cable diameter 9 mm Min conductor cross section 0 2 mm2 Max conductor cross section 2 5 mm2 Short circuit proof Yes Intrinsically safe according to FISCO No Max DC current of the field devices on spur line 1 to 8 60 mA Short circuit current test curr...

Page 40: ...Zone 2 Zone 22 Yes Class I Zone 2 Division 2 Yes 3 6 Technical specification of active field distributors AFS 6ES7157 0AG80 0XA0 Technical specifications Order number 6ES7157 0AG80 0XA0 Product version 01 Dimensions and weight Dimension W x H x D mm 220 x 120 x 83 without cable gland Mounting dimensions mm 204 x 82 Weight 2000 g Supply voltages Description By bus no auxiliary power necessary Rated...

Page 41: ...inuous current on main line 1 A Y field bus connection Number n Max 2 with bus termination resistor at the end of the line or on the FDC 157 Number of connectable field devices 31 Connection terminals Screw type terminals 2 pin Cable gland M16 Cable type Type A Min cable diameter 4 mm Max cable diameter 9 mm Min conductor cross section 0 2 mm2 Max conductor cross section 2 5 mm2 Short circuit proo...

Page 42: ... Min 40 C Max 70 C Storage transport temperatures Min 40 C Max 85 C Relative humidity Operation max 95 Degree of protection IP66 Yes Installation Zone 2 Zone 22 Yes Class I Zone 2 Division 2 Yes 3 7 Abbreviations Abbreviation Meaning AFD Active Field Distributor AFS Active Field Splitter FDC Field Device Coupler FF FOUNDATION Fieldbus PA Process automation PA Equipotential bonding S Spur Connectio...

Page 43: ...pecifications 40 AFS 6ES7157 0AG80 0XA0 Replace 28 ATEX approval 31 B Bus cable Stripping dimensions 21 Bus termination switch 23 C Cable glands Unused 22 25 CE approval 31 Center feed 23 Connecting AFD4 AFD4 FM AFD8 Rules 17 Safety information 14 Coupler redundancy 7 D Degree of protection IP66 Impairment 22 25 Dimensioning SIMATIC Fieldbus Calculator 5 Direct grounding 13 Drill hole spacing 11 E...

Page 44: ...6ES7157 0AF81 0XA0 27 P Properties AFD4 6 AFD4 FM 6 AFD8 6 AFS 7 R Ring redundancy 6 Rules Connecting AFD4 AFD4 FM AFD8 17 S Safety information Connecting AFD4 AFD4 FM AFD8 14 Schematic representation AFD4 AFD4 FM 14 Scope 5 SIMATIC Fieldbus Calculator 5 Status and error messages AFD4 AFD4 FM AFD8 29 AFS 30 Stripping dimensions 21 ...

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