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EJ3255

5-Channel Potentiometer Measurement with Sensor Supply

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2020-06-15

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Summary of Contents for EJ3255

Page 1: ...Documentation EJ3255 5 Channel Potentiometer Measurement with Sensor Supply 1 1 2020 06 15 Version Date...

Page 2: ......

Page 3: ...2 4 3 1 Minimum distances for ensuring installability 22 4 3 2 Installation positions 23 4 4 Codings 25 4 4 1 Color coding 25 4 4 2 Mechanical position coding 26 4 5 Installation on the signal distrib...

Page 4: ...ility 46 7 3 Firmware Update EL ES EM ELM EPxxxx 46 7 3 1 Device description ESI file XML 47 7 3 2 Firmware explanation 50 7 3 3 Updating controller firmware efw 51 7 3 4 FPGA firmware rbf 53 7 3 5 Si...

Page 5: ...ion 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 EtherCAT EtherCAT G EtherCAT G10 EtherC...

Page 6: ...ined specialists in control automation and drive engineering who are familiar with the applicable national standards Description of instructions In this documentation the following instructions are us...

Page 7: ...e status Version Comment 1 1 Chapters Basics communication TwinCAT Quick Start TwinCAT development environment and General Notes EtherCAT Slave Application replaced by references in the chapter Guide...

Page 8: ...al ELxxxx Notes on the principle of operation and Descriptions for configuration and parameterization are transferable to the corresponding Module EJxxxx s note on documentation of ELxxxx 35 1 7 Marki...

Page 9: ...used in the example below EJ1008 0000 is the order identifier in the case of 0000 usually abbreviated to EJ1008 The revision 0017 shows the technical progress such as the extension of features with r...

Page 10: ...number C using the example of EJ1008 Serial number Example serial number 08 15 08 16 KK week of production CW calendar week 08 week of production 08 YY year of production 15 year of production 2015 FF...

Page 11: ...roduct it can be found in the following places on the packaging unit directly on the product if space suffices on the packaging unit and the product The BIC is machine readable and contains informatio...

Page 12: ...ers are used by Beckhoff and serve internal processes Structure of the BIC Example of composite information from items 1 4 and 6 The data identifiers are marked in red for better display BTN An import...

Page 13: ...n the side of the modules The cRUus imprint identifies devices that meet product safety requirements according to U S and Canadian regulations The warning symbol is a request to read the corresponding...

Page 14: ...lication specific plug connectors in order to connect the controller to further machine modules Using pre assembled cable harnesses avoids the need for time consuming connection of individual wires Co...

Page 15: ...or the connected potentiometers and ratiometric measurement of the input voltage offer the prerequisites for precise measuring On account of its high sampling rate and together with potentiometer posi...

Page 16: ...ivatable filters simultaneous measurement of the channels Permissible ambient temperature range during operation 0 C 55 C Permissible ambient temperature range during storage 25 C 85 C Permissible rel...

Page 17: ...EJ3255 Pinout The PCB footprint can be downloaded from the Beckhoff homepage NOTE Damage to devices possible The pins named with NC must not be connected Before installation and commissioning read th...

Page 18: ...ributed clocks Outputs remain in safe state on Operational State of the EtherCAT State Machine OP normal operating state mailbox and process data communication is possible flickering Bootstrap State o...

Page 19: ...with EJ1100 or EJ1101 0022 and EJ940x The EJ1100 Bus Coupler supplies the connected EJ modules with the E bus system voltage of 3 3 V The Coupler can accommodate a load up to 2 2 A If a higher current...

Page 20: ...o 2 000 mA E bus current If a higher current is required due to the attached terminals power feed terminals or power supply plug in modules must be used for the E bus supply with a peripheral voltage...

Page 21: ...type Dimensions W x H x D Sample in figure below Coupler 44 mm x 66 mm x 55 mm EJ1100 ej_44_2xrj45_coupler Single module 12 mm x 66 mm x 55 mm EJ1809 ej_12_16pin_code13 Double module 24 mm x 66 mm x...

Page 22: ...ules Fig 13 Mounting distances EJ module PCB Observing the reaching area A minimum reaching area of 92 mm is required for assembly disassembly in order to be able to reach the mounting tabs with the f...

Page 23: ...sure that the specified conditions see Technical data are adhered to Optimum installation position standard For the optimum installation position the signal distribution board is installed horizontall...

Page 24: ...ll other installation positions are characterized by a different spatial position of the signal distribution board see Fig Other installation positions The minimum distances to ambient specified above...

Page 25: ...n the control cabinet see diagram above The color code indicates the signal type The following table provides an overview of the signal types with corresponding color coding Signal type Modules Color...

Page 26: ...lation and service Couplers and placeholder modules have no coding pins Fig 17 Mechanical position coding with coding pins B1 and B2 and coding holes A1 and A2 The following diagram shows the position...

Page 27: ...of EJ modules A1 A2 Latching lugs top bottom C1 C2 Mounting holes B1 B2 Coding pins D1 D2 Coding holes To install the modules on the signal distribution board proceed as follows 1 Before the installat...

Page 28: ...g installation ensure safe latching of the modules on the signal distribution board The conse quences of inadequate contact pressure include loss of quality of the transferred signals increased power...

Page 29: ...uption in EtherCAT communication and must be equipped with placeholder modules In contrast to the passive terminals of the EL series the placeholder modules actively participate in the data exchange S...

Page 30: ...stallation of EJ modules EJ3255 30 Version 1 1 4 6 2 Linking with EtherCAT Terminals and EtherCAT Box modules via an Ethernet EtherCAT connection Example of extension via an Ethernet EtherCAT connecti...

Page 31: ...ied from the power supply unit of the Embedded PC The E bus signals and the supply voltage of the field side UP are routed directly to the PCB via a plug connector at the rear of the EtherCAT EJ Coupl...

Page 32: ...optimally connected to the IPC via the corresponding EtherCAT cable see following Fig A The IPC can be supplied directly via the signal distribution board using the enclosed power plug see Fig B belo...

Page 33: ...egulations for ESD protection Each module is secured through latching on the distribution board which has to be released for disassembly Fig 23 Disassembly of EJ modules To disassemble the module from...

Page 34: ...EtherCAT basics EJ3255 34 Version 1 1 5 EtherCAT basics Please refer to the EtherCAT System Documentation for the EtherCAT fieldbus basics...

Page 35: ...CoE list CAN over EtherCAT The EtherCAT device is parameterized via the CoE Online tab double click on the respective ob ject or via the Process Data tab allocation of PDOs Please note the following g...

Page 36: ...e Enablement of the user scaling BOOLEAN RW 0x00 0dec 80n0 05 Siemens bits The S5 bits are shown in the three low order bits value 0x60n0 11 37 Bit 0 1 overrange or underrange Bit 1 not used Bit 2 not...

Page 37: ...c objects 0x6000 0xFFFF The profile specific objects have the same meaning for all EtherCAT slaves that support the profile 5001 6 2 4 Input data Index 60n0 AI Inputs for 0 n 4 Ch 1 5 dependent on the...

Page 38: ...Module index distance Index distance of the objects of the individual channels UINT16 RO 0x0010 16dec F000 02 Maximum number of modules Number of channels UINT16 RO 0x0001 1dec Index F008 Code word In...

Page 39: ...RO Index 10F0 Backup parameter handling Index hex Name Meaning Data type Flags Default 10F0 0 Backup parameter han dling Information for standardized loading and saving of backup entries UINT8 RO 0x0...

Page 40: ...Index hex Name Meaning Data type Flags Default 1806 0 AI TxPDO Par Standard Ch 2 PDO parameter TxPDO 7 UINT8 RO 0x06 6dec 1806 06 Exclude TxPDOs Specifies the TxPDOs index of TxPDO mapping objects tha...

Page 41: ...xPDO Map Compact Ch 1 Index hex Name Meaning Data type Flags Default 1A01 0 AI TxPDO Map Com pact Ch 1 PDO Mapping TxPDO 2 UINT8 RW 0x01 1dec 1A01 01 SubIndex 001 1 PDO Mapping entry object 0x6000 AI...

Page 42: ...0x6020 AI Inputs Ch 3 entry 0x05 Limit 2 UINT32 RW 0x6020 05 2 1A04 05 SubIndex 005 5 PDO Mapping entry object 0x6020 AI Inputs Ch 3 entry 0x07 Error UINT32 RW 0x6020 07 1 1A04 06 SubIndex 006 6 PDO...

Page 43: ...xPDO Map Compact Ch 4 Index hex Name Meaning Data type Flags Default 1A07 0 AI TxPDO Map Com pact Ch 4 PDO Mapping TxPDO 8 UINT8 RW 0x01 1dec 1A07 01 SubIndex 001 1 PDO Mapping entry object 0x6030 AI...

Page 44: ...nager Type Channel 4 Process Data Read In puts UINT8 RO 0x04 4dec Index 1C12 RxPDO assign Index hex Name Meaning Data type Flags Default 1C12 0 RxPDO assign PDO Assign Outputs UINT8 RW 0x00 0dec Index...

Page 45: ...6 RO 0x400B 16359dec 1C33 05 Minimum cycle time Minimum cycle time in ns UINT32 RO 0x00030D40 200000dec 1C33 06 Calc and copy time Time between reading of the inputs and availability of the inputs for...

Page 46: ...eparing this documentation Check on the Beckhoff website whether more up to date documentation is available 7 3 Firmware Update EL ES EM ELM EPxxxx This section describes the device update for Beckhof...

Page 47: ...owing the update its success should be verified ESI Revision e g by means of an online scan in TwinCAT ConfigMode FreeRun this is a convenient way to determine the revision Firmware e g by looking in...

Page 48: ...fer to the EtherCAT system documentation Update of XML ESI description The device revision is closely linked to the firmware and hardware used Incompatible combinations lead to malfunctions or even fi...

Page 49: ...nfigured In this case the configuration can be adapted with the Copy Before button The Extended Information checkbox must be set in order to display the revision Changing the ESI slave identifier The...

Page 50: ...therCAT devices read a modified ESI description immediately or after startup from the INIT Some communication settings such as distributed clocks are only read during power on The Ether CAT slave ther...

Page 51: ...fline The EtherCAT Slave Information ESI XML may contain the default content of the CoE This CoE directory can only be displayed if it is included in the ESI e g Beckhoff EL5xxx xml The Advanced butto...

Page 52: ...by Beckhoff support Valid for TwinCAT 2 and 3 as EtherCAT master Switch TwinCAT system to ConfigMode FreeRun with cycle time 1 ms default in ConfigMode is 4 ms A FW Update during real time operation...

Page 53: ...Controller firmware for processing I O signals FPGA firmware for EtherCAT communication only for terminals with FPGA The firmware version number included in the terminal serial number contains both fi...

Page 54: ...right click the table header and select Properties in the context menu Fig 33 Context menu Properties The Advanced Settings dialog appears where the columns to be displayed can be selected Under Diagn...

Page 55: ...erminal must have FPGA firmware version 10 or higher Older firmware versions can only be updated by the manufacturer Updating an EtherCAT device The following sequence order have to be met if no other...

Page 56: ...nager select the terminal for which the FPGA firmware is to be updated in the example Terminal 5 EL5001 and click the Advanced Settings button in the EtherCAT tab The Advanced Settings dialog appears...

Page 57: ...the device A download of firmware to an EtherCAT device must not be interrupted in any case If you interrupt this process by switching off power supply or disconnecting the Ethernet link the EtherCAT...

Page 58: ...PDO Double click on SubIndex 001 to enter the Set Value dialog Enter the value 1684107116 in field Dec or the value 0x64616F6C in field Hex and confirm with OK Fig Entering a restore value in the Set...

Page 59: ...components there Beckhoff Headquarters Beckhoff Automation GmbH Co KG Huelshorstweg 20 33415 Verl Germany Phone 49 5246 963 0 Fax 49 5246 963 198 e mail info beckhoff com Beckhoff Support Support off...

Page 60: ...5 Fig 17 Mechanical position coding with coding pins B1 and B2 and coding holes A1 and A2 26 Fig 18 Pin coding sample digital input modules 26 Fig 19 Installation of EJ modules 27 Fig 20 Sample Exchan...

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