Atop MB5400, Руководство пользователя

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Atop Modbus Gateway
MB5400 Series
User’s Manual V 1.3
28
will wait, accept request from, and response to its Modbus master node. Data transfer is
done under an ASCII format.

ASCII Master: When a serial device is working as a Modbus master node, the serial
device will issue commands to or query Modbus slave nodes. Data transfer is done under
an ASCII format.
3.7.3 Serial Settings
This section summarizes the options of serial communication parameters used between the
serial device and the Modbus Gateway device over the selected COM port.

RS-232/RS-422/RS-485 Software Selectable (RS-422/485 for MB5404D-Sis-X,
MB5408A-S5 and MB5416A-S5 Series).

Baud-rate: 300 bps ~ 921600 bps (Note that MB5404D-Sis-
X’s baud-rate is limited to
300 bps ~ 230400 bps)

Parity: None, Odd, Even, Mark, or Space

Data Bits: 7 or 8

Stop Bits: 1 or 2

Flow Control: None, Software Xon/Xoff, Hardware RTS/CTS
Apply to all Serial Ports: Alternatively, the settings can be chosen to apply to all serial ports if
needed by checking the last box on the options.
After finish configuring the COM Settings , please click on Save Configuration button to keep
all changes that you have made. A Save Successfully message will show up as shown in Fig.
3.13 and after a short period of time the web browser will be redirected back to COM Settings
page.
Fig. 3.13 Save Successfully Message