User’s Manual of IMG-2x00T Modbus Gateway Series
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• Interface
The device server supports three interfaces. The default value is RS-232.
RS-232
RS-422
RS-485 2-Wire
RS-485 4-Wire
• Flow Control
The method is used to suspend and resume data transmission to ensure that data is not
lost. It supports four methods and default value is none.
None
RTS/CTS
Xon/Xoff
DTR/DSR
• RTS ON delay
This parameter controls RTS turn on before data transmission.
• RTS OFF delay
This parameter controls RTS turn off after the transmission completes.
• Response Timeout
This parameter is used to configure how long the gateway will wait for a response from a
Modbus ASCII or RTU slave.