2. Serial Protocols
ROS® v3.11User Guide 44 RMC30
2.1.3. Preemptive Raw Socket protocol features
• A means to transport streams of characters from one serial port, over an IP network, to
another serial port.
• Configurable local and remote IP port numbers per serial port.
• TCP accept or request one permanent connection on configured IP address.
• TCP accept one dynamic connection from different IP address.
• Dynamic connection activity timer controlled.
• XON/XOFF flow control for permanent connection.
• ‘Packetization’ trigger based on a specific packet size, a specific character, or upon a timeout
for each connection.
2.1.4. Modbus protocol features
• Operation in TCPModbus Server Gateway or Client Gateway mod.e
• Multi-master mode on the server.
• Configurable behavior for sending exceptions.
• Full control over ‘packetization’ timers.
• A configurable Auxiliary IP port number for applications that do not support port 502.
2.1.5. DNP protocol features
• ‘Packetization’ per protocol specification.
• CRC checking in message headers received from the serial port.
• Local and remote source address learning.
2.1.6. Microlok protocol features
• ‘Packetization’ per protocol specification.
2.1.7. WIN protocol features
• ‘Packetization’ following the protocol requirements.
• CRC checking for messages received from the serial port.
2.1.8. TIN protocol features
• Support for two modes of TIN protocol.
• ‘Packetization’ following the protocol requirements.
• CRC checking for messages received from the serial port.
• Remote source address learning, specific for two different modes.
2.1.9. TelnetComPort protocol features
• RawSocket protocol with additional support for the serial break signal.
• Compliant with RFC2217.
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