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Operating manual | EN

ELX3312 and ELX3314

Two and four channel analog input terminals for
thermocouples, 16 bit, Ex i

2021-08-12 | Version: 1.3.0

Содержание ELX3312

Страница 1: ...Operating manual EN ELX3312 and ELX3314 Two and four channel analog input terminals for thermocouples 16 bit Ex i 2021 08 12 Version 1 3 0...

Страница 2: ......

Страница 3: ...3 6 4 Shielding and potential separation 27 3 6 5 ELX3312 Contact assignment 28 3 6 6 ELX3314 Contact assignment 30 3 7 Disposal 31 4 Basic function principles 32 4 1 EtherCAT basics 32 4 2 Notices o...

Страница 4: ...ta 62 5 7 2 Default process image 65 5 7 3 Variant Predefines PDO 66 5 7 4 Sync Manager 67 5 8 TwinSAFE SC 68 5 8 1 TwinSAFE SC operating principle 68 5 8 2 TwinSAFE SC configuration 68 5 8 3 TwinSAFE...

Страница 5: ...n of products that have already been supplied may be made on the basis of the data diagrams and descriptions in this documentation Trademarks Beckhoff TwinCAT TwinCAT BSD TC BSD EtherCAT EtherCAT G Et...

Страница 6: ...for trained specialists in control automation and drive engineering who are familiar with the applicable national standards Description of instructions In this documentation the following instruction...

Страница 7: ...e safety instructions adapted to IEC 82079 1 New title page 1 2 0 Contact assignment extended with sensor illustration Chapter Arrangement of ELX terminals within a bus terminal block updated Chapter...

Страница 8: ...mous with each revision there is usually a description ESI EtherCAT Slave Information in the form of an XML file which is available for download from the Beckhoff website The revision has been applied...

Страница 9: ...l has a unique Beckhoff Traceability Number BTN Ex marking The Ex marking can be found at the top left on the terminal II 3 1 G Ex ec ia Ga IIC T4 Gc II 1 D Ex ia Da IIIC I M1 Ex ia Ma I IECEx BVS 18...

Страница 10: ...Foreword ELX3312 and ELX3314 10 Version 1 3 0 Fig 2 ELX9560 0000 with date code 12150000 BTN 000b000 and Ex marking...

Страница 11: ...Foreword ELX3312 and ELX3314 11 Version 1 3 0 Fig 3 ELX9012 with date code 12174444 BTN 0000b0si and Ex marking...

Страница 12: ...direct connection of thermocouples located in hazardous areas classified Zone 0 20 or 1 21 The circuitry of the ELX3312 can operate sensors with 2 wire technology Linearization is possible over the en...

Страница 13: ...nnection of thermocouples located in hazardous areas classified Zone 0 20 or 1 21 The circuitry of the ELX3314 can operate sensors with 2 wire technology Linearization is possible over the entire free...

Страница 14: ...by ELX9560 Current consumption from the E Bus typically 70 mA Current consumption from Power Contacts typically 10 mA load ELX9560 power supply Special features limit value monitoring digital filter...

Страница 15: ...ps A thru G Class I Division 2 Groups A B C D Class I Zone 2 AEx Ex ec ia Ga IIC T4 Gc AEx Ex ia Da IIIC T4 Certificate numbers IECEx BVS 18 0005X BVS 18 ATEX E 005 X FM19US0075X FM19CA0041X Power sup...

Страница 16: ...type of protection Increased safety Ex e according to IEC 60079 7 and must only be operated in hazardous areas of Zone 2 or in non hazardous areas The field interfaces of the ELX terminals achieve exp...

Страница 17: ...I according to EN 60664 1 The individual terminals may only be unplugged or removed from the bus terminal system if all supply voltages have been switched off or if a non explosive atmosphere is ensur...

Страница 18: ...ing e g through the ventilation slots in the housing Use only the openings provided in the housing front and appropriate tools to actuate the spring loaded terminal contacts on the front side for atta...

Страница 19: ...to the right of an ELX9560 nor to the left of any ELX signal terminal The last terminal of each ELX segment is to be covered by an ELX9012 bus end cover unless two ELX9410 power supply terminals are i...

Страница 20: ...er supply terminal Fig 10 Invalid arrangement missing ELX9560 power supply terminal Fig 11 Invalid arrangement terminal that does not belong to the ELX series within the ELX terminal segment Fig 12 In...

Страница 21: ...9560 When configuring the ELX terminal segment please note the maximum available output current of the ELX9560 power supply terminal in accordance with the specified technical data If required an addi...

Страница 22: ...ronics through convection The direction indication down corresponds to the direction of positive acceleration due to gravity Minimum distances Observe the following minimum distances to ensure optimum...

Страница 23: ...First attach the fieldbus coupler to the mounting rail 2 The bus terminals are now attached on the right hand side of the fieldbus coupler Join the compo nents with tongue and groove and push the ter...

Страница 24: ...ons within a bus terminal block The electric connections between the Bus Coupler and the Bus Terminals are automatically realized by joining the components The six spring contacts of the E Bus deal wi...

Страница 25: ...nd simple assembly High Density Terminals HD Terminals Fig 18 High Density Terminals The Bus Terminals from these series with 16 connection points are distinguished by a particularly compact design as...

Страница 26: ...screwdriver or move it alternately don t toggle 2 The wire can now be inserted into the round terminal opening without any force 3 The terminal point closes automatically when the pressure is release...

Страница 27: ...ire per terminal point When using fine wire conductors it is recommended to connect them with wire end sleeves in order to establish a safe conductive connection In addition make sure that the pin ass...

Страница 28: ...assignment Terminal point Description Name No TC1 1 Channel 1 Input TC1 TC voltage measurement TC2 2 Channel 2 Input TC2 TC voltage measurement 3 not implemented 4 not implemented TC1 5 Channel 1 Inpu...

Страница 29: ...settings set single flash State of the EtherCAT State Machine SAFEOP verification of the Sync Manager channels and the distributed clocks Outputs remain in safe state on State of the EtherCAT State M...

Страница 30: ...Input TC1 TC voltage measurement TC2 2 Channel 2 Input TC2 TC voltage measurement TC3 3 Channel 3 Input TC3 TC voltage measurement TC4 4 Channel 4 Input TC4 TC voltage measurement TC1 5 Channel 1 Inpu...

Страница 31: ...d The measurement value of channel 1 is in an invalid range of the characteristic curve Possible short circuit or wire breakage at channel 1 Error Ch 2 red The measurement value of channel 2 is in an...

Страница 32: ...value Analogous to pointing devices this is the measuring scale see IEC 61131 or also the dynamic range For analog I O devices from Beckhoff the rule is that the limit with the largest value is chosen...

Страница 33: ...the device and thermal stabiliza tion after a user calibration This applies to analog output devices 4 2 3 Temperature coefficient tK ppm K An electronic circuit is usually temperature dependent to a...

Страница 34: ...rements between two potential points For voltage measurements a large R is used in order to ensure a high impedance For current measurements a small R is used as shunt If the purpose is resistance mea...

Страница 35: ...rticularly important to pay attention to the quality of this potential noiselessness voltage stability At this GND point a wire may be connected to make sure that VCM max is not exceeded in the differ...

Страница 36: ...are to be connected according to the Beckhoff terminology as follows preferably to single ended inputs if the Supply connections of the terminal box are also to be used connect to Supply and Signal th...

Страница 37: ...he device under consideration For multi channel terminals boxes with resistive direct ohmic galvanic or capacitive connection between the channels the reference ground should preferably be the symmetr...

Страница 38: ...n use from a user perspective they all have a common characteristic after the conversion a certain digital value is available in the controller for further processing This digital value the so called...

Страница 39: ...peed i e synchronous or more quickly if the AI channel operates in slow FreeRun mode or more slowly e g with oversampling is then a question of the fieldbus setting and which modes the AI device suppo...

Страница 40: ...ed as reference The signal delay ms s is then the interval between the applied electrical signal with a particular amplitude and the moment at which the analog process value reaches the same value A m...

Страница 41: ...thermocouple Thermocouples can be classified as active transducers They exploit the thermo electric effect Seebeck Peltier Thomson A voltage referred to as thermovoltage occurs over the length of a ca...

Страница 42: ...rom the resulting voltage and the corresponding characteristic curve Uk Um Ur Tout f Uk Overview of suitable thermocouples The following thermocouples are suitable for temperature measurement Type acc...

Страница 43: ...al cold junction if required The uncertainties must then be determined for the external cold junction by the application The temperature value of the external cold junction must then be communicated t...

Страница 44: ...re are value jumps 0 01 C at Resolution 0 01 C Type B app 0 06 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 3 7 K 0 20 FSV 55 C ambient temperature 5 1 K 0...

Страница 45: ...re value jumps 0 01 C at Resolution 0 01 C Type C app 0 07 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 3 4 K 0 15 FSV 55 C ambient temperature 4 2 K 0 18 F...

Страница 46: ...e are value jumps 0 01 C at Resolution 0 01 C Type E app 0 03 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 2 6 K 0 26 FSV 55 C ambient temperature 2 8 K 0 2...

Страница 47: ...re are value jumps 0 01 C at Resolution 0 01 C Type J app 0 04 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 2 6 K 0 22 FSV 55 C ambient temperature 2 9 K 0...

Страница 48: ...re are value jumps 0 01 C at Resolution 0 01 C Type K app 0 04 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 2 7 K 0 20 FSV 55 C ambient temperature 3 1 K 0...

Страница 49: ...are value jumps 0 01 C at Resolution 0 01 C Type L app 0 03 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 2 6 K 0 29 FSV 55 C ambient temperature 2 8 K 0 31...

Страница 50: ...re are value jumps 0 01 C at Resolution 0 01 C Type N app 0 04 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 2 6 K 0 20 FSV 55 C ambient temperature 3 K 0 23...

Страница 51: ...re are value jumps 0 01 C at Resolution 0 01 C Type R app 0 05 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 3 3 K 0 19 FSV 55 C ambient temperature 4 3 K 0...

Страница 52: ...re are value jumps 0 01 C at Resolution 0 01 C Type S app 0 05 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 3 4 K 0 19 FSV 55 C ambient temperature 4 4 K 0...

Страница 53: ...ommended measuring range with averaging 23 C ambient temperature 2 6 K 0 65 FSV 55 C ambient temperature 2 9 K 0 73 FSV Temperature coefficient change of measured value with change of terminal ambient...

Страница 54: ...are value jumps 0 01 C at Resolution 0 01 C Type U app 0 02 C Uncertainty in the recommended measuring range with averaging 23 C ambient temperature 2 6 K 0 43 FSV 55 C ambient temperature 2 7 K 0 45...

Страница 55: ...ding concept the number of grounded thermocou ples and the type of grounding and shielding The requirements of IEC 60079 11 IEC 60079 14 and IEC 60079 25 as well as other standards and regulations mus...

Страница 56: ...located in the immediate vicinity of the two associated terminal points inside the device the reference temperature is continuously determined electronically The change of the differential voltage as...

Страница 57: ...Maximum presentation range for 16 bit 32768 32767 Example 1000 0000 0000 0000bin 0x8000hex 32768dec 1111 1111 1111 1110bin 0nFFFEhex 2dec 1111 1111 1111 1111bin 0nFFFFhex 1dec 0000 0000 0000 0001bin 0...

Страница 58: ...terminals are equipped with a digital filter The filter performs a notch filter function and determines the conversion time of the terminal It is enabled via index 0x80n0 06 74 parameterized via index...

Страница 59: ...index 0x80n0 01 74 Parameterization takes place via the indices 0x80n0 11 74 User scaling offset The offset describes a vertical shift of the characteristic curve by a linear amount At a resolution o...

Страница 60: ...ing user scaling Key Name Designation Index XADC Output value of the A D converter 0x80nE 01 XF Output value after the filter BH Vendor calibration offset not changeable 0x80nF 01 AH Vendor calibratio...

Страница 61: ...ata are written into index 0x70n0 11 77 Alternative to cold junction measurement As an alternative to the procedure described above the cold junction can be maintained at a de fined temperature throug...

Страница 62: ...ld have a disturbing effect the wire break detection can be disabled by CoE object 0x80n0 0E 74 Disable wire break detection 5 7 Process data This section describes the individual PDOs and their conte...

Страница 63: ...ing 0 ok 1 Limit value overshot 2 Limit value undershot Error The error bit is set if the process data is invalid cable break over range under range TxPDO State Validity of the data of the associated...

Страница 64: ...eanings are visible e g in the Status status word and can be separately linked G ShowSubVariables must be activated in the System Manager F The bit position at which the subvariables are located in th...

Страница 65: ...dicates by means of a so called Working Counter WcState whether the slave is participating successfully and trouble free in cyclical process data traffic 0 valid real time communication in the last cy...

Страница 66: ...ger i e they can be activated or deactivated for cyclic transmission From TwinCAT 2 11 for suitable EtherCAT devices as per ESI XML description the process data for input and output can be activated s...

Страница 67: ...r channel 1 4 0 n 3 SM2 PDO assignment 0x1C12 Index Index of excluded PDOs Size byte bit Name PDO content 0x160n 2 0 TC Outputs Channel n Index 0x70n0 11 77 CJCompensation SM3 PDO Assignment 0x1C13 In...

Страница 68: ...e used in the context of safety relevant applications Detailed examples for the correct application of the TwinSAFE SC components and the respective normative classification which were confirmed calcu...

Страница 69: ...the link to a TwinSAFE SC terminal Only suitable TwinSAFE SC terminals are offered in the selection dialog Fig 54 Creating a link to TwinSAFE SC terminal The CRC to be used can be selected or a free...

Страница 70: ...itially makes all available process data available The Safety Parameters tab typically contains no parameters The process data size and the process data themselves can be selected under the Process Im...

Страница 71: ...in the alias device as FSoE address under the Linking tab Under the object 0x80n0 02 Connection Mode the CRC to be used is selected or a free CRC is entered A total of 8 CRCs are available A free CRC...

Страница 72: ...ata to the TwinSAFE logic Index Name Type Size 6000 11 RTD Module 1 Value INT 2 0 6010 11 RTD Module 2 Value INT 2 0 6020 11 RTD Module 3 Value INT 2 0 6030 11 RTD Module 4 Value INT 2 0 Only valid fo...

Страница 73: ...CoE Online tab double click on the respective ob ject or via the Process Data tab allocation of PDOs Please note the following general CoE notes when using manipulating the CoE parameters Keep a star...

Страница 74: ...Limit 1 enabled BOOLEAN RW 0x00 0dec 80n0 08 Enable limit 2 Limit 2 enabled BOOLEAN RW 0x00 0dec 80n0 0A Enable user cal ibration Enabling of the user calibration BOOLEAN RW 0x00 0dec 80n0 0B Enable...

Страница 75: ...e B 200 C to 1820 C 8 Type R 50 C to 1768 C 9 Type S 50 C to 1768 C 10 Type C 0 C to 2329 C 100 30 mV 1 V resolution 101 60 mV 2 V resolution 102 75 mV 4 V resolution 250 no evaluation 80n0 1A 4 MC fi...

Страница 76: ...RO 0x0000 0dec Index 60n0 TSC Slave Frame Elements ELX3312 0090 n 2 ELX3312 0090 n 4 Index hex Name Meaning Data type Flags Default 60n0 0 TSC Slave Frame Ele ments 68 Max subindex UINT8 RO 0x06 6dec...

Страница 77: ...0 16dec F000 02 Maximum number of modules Number of channels UINT16 RO 0x0004 4dec Index F008 Code word Index hex Name Meaning Data type Flags Default F008 0 Code word currently reserved UINT32 RW 0x0...

Страница 78: ...Meaning Data type Flags Default 10F0 0 Backup parameter han dling Information for standardized loading and saving of backup entries UINT8 RO 0x01 1dec 10F0 01 Checksum Checksum across all backup entri...

Страница 79: ...ts entry 0x01 TSC__Slave Cmd USINT8 RW 0x6040 01 8 1A0n 02 SubIndex 002 2 PDO Mapping entry object 0x6000 ENC Inputs en try 0x11 Counter value INT16 RW 0x6000 11 16 1A0n 03 SubIndex 003 3 PDO Mapping...

Страница 80: ...modes Bit 0 1 free run is supported Bit 1 1 Synchron with SM 2 event is supported Bit 3 2 10 DC mode is supported Bit 5 4 01 Output shift with SYNC1 event only DC mode Bit 14 1 dynamic times measureme...

Страница 81: ...it 1 Synchron with SM 3 Event is supported no outputs available Bit 3 2 10 DC mode is supported Bit 5 4 10 input shift through local event outputs available Bit 5 4 101 input shift with SYNC1 event no...

Страница 82: ...s kind of certification are marked by this sign 2 UL certification according to UL508 with limited power consumption The current consumed by the de vice is limited to a max possible current consumptio...

Страница 83: ...LX series may only be used in potentially explosive areas of Class I Division 2 Group A B C D or in non explosive areas WARNING Consider the Control Drawing ELX documentation When installing the I O m...

Страница 84: ...nents there Beckhoff Support Support offers you comprehensive technical assistance helping you not only with the application of individual Beckhoff products but also with other wide ranging services s...

Страница 85: ...inal seg ment without an upstream ELX9410 20 Fig 13 Invalid arrangement missing ELX9012 bus end cover 21 Fig 14 Installation position and minimum distances 22 Fig 15 Attaching on mounting rail 23 Fig...

Страница 86: ...O option Standard 66 Fig 50 TwinCAT System Manager with the predefined PDO selection External Compensation 67 Fig 51 Adding the TwinSAFE SC process data under the component e g EL5021 0090 68 Fig 52 T...

Страница 87: ......

Страница 88: ...Beckhoff Automation GmbH Co KG H lshorstweg 20 33415 Verl Germany Phone 49 5246 9630 info beckhoff com www beckhoff com More Information www beckhoff com ELXxxxx...

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