User’s Manual of IMG-2x00T Modbus Gateway Series
4.5 Modbus Gateway
The following figure shows port settings. Note that these settings need to match the parameters on serial port of the Modbus
device. Each parameter is described in details in the following section. The port configuration screen in Figure 4-5-1 appears.
Figure 4-5-1: Port Setup Page Screenshot
4.5.1 Serial setup
The serial setup screen is shown in Figure 4-5-2.
Figure 4-5-2: Serial Setup Page Screenshot
Object Description
• Operation Mode
Used to set Modbus/serial on serial port. The Default is RTU Slave.
Disable
RTU Slave,
RTU Master,
ASCII Slave
ASCII Master
• Baud Rate
The rate of data transmission to and from the attached serial device. It allows 50 bps to
921600 bps. The default is 921600 bps.
• Stop Bits
The stop bit follows the data and parity bits in serial communication. It indicates the end
of transmission. The default is 1.
• Data Bits
Indicates the number of the bits in a transmitted data package. The allowed value is
5,6,7,8 and default value is 8.
• Parity
This parameter controls the error checking mode. It support five modes and default
value is none.
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