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  • Profinet stack, Conformance Class B, Real Time Class 1

  • EtherNet/IP stack

  • EtherCAT stack

  • OPC-UA

  • Web server

  • TCP channels (maximum throughput of 32kBit/s)

  • UDP channels (maximum throughput of 32kBit/s)

  • Cyclic communication channel for real time data (Profinet process data, EtherNet/IP process data) with at least 64 byes input/output data and up to 73 byte input and 73 byte output data (depending on the protocol stack) and a cycle time of 1 ms

  • RPC interface for management, application setup and non realtime data

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  • EtherCAT

  • Dynamic PDO assignment and dynamic PDO mapping

  • SDO Info service

  • SDO service

  • Distributed Clocks

  • Up to 69 Byte of process data in each direction with an cycle time up to 1 ms

    • the generic data provider is required for LED status of EtherCAT devices

  • Up to 1408 Byte of process data while using RPC transport

    • cycle time must not be less then 100ms

Frame specification

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Range

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Length

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Description

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0 .. 3

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4 byte

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MCTC SPI header

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4 .. 76

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73 byte

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cyclic data (data mapper)

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77 .. 126

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50 byte

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RPC data

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127

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1 byte

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OPC-UA

Info

The following points concern the non-official SoM Firmware Beta version 2.1.9.3. This Section will be updated with each new Firmware version.

What are the capabilities of the device?

Please refer here for a full list of supported Profiles and Conformance Units.

Known Restrictions

  • Objects with following Data Types can not created by Application:

    • Extension Objects (application specific data type container)

    • Data Values with associated status code and timestamps

    • Variants (generic data container)

    • Diagnostic Information with associated status code and timestamps

  • Strings-objects are Read-Only

  • Read/Write functions are not completely supported by SoM