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V01.00 | 2018/08
7 Modbus TCP Conguration
The Modbus TCP project and configuration of the FEN20 is shown utilizing Turck’s TX500 HMI/
PLC platform, which supports:
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IEC 61131 multitasking PLC runtime utilizing CODESYS v3.5.8.1 PLC
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20 MB program/data memory
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32 kB non-volatile memory
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PROFINET Controller (master)
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EtherNet/IP™™ Scanner (master)
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Modbus TCP Client (master)
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Modbus RTU Client (master)
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CANopen Master (optional via plug-in module)
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Modbus TCP Server (slave)
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Modbus RTU Server (slave)
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OPC UA Server
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Standard Ethernet TCP/IP und UDP/IP communication
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Serial RS232, RS485 and RS422 communication
Network topology used in the project: