Robustel R3000 NU - Manual (Page 40)

Robustel GoRugged R3000 NU User Guide
RT_UG_R3000 NU_v.1.0.0 24.03.2014 39 / 110
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Modbus ASCⅡ protocol.
Note: When select “Modbus RTU master” and “Modbus ASC
Ⅱ master” protocol,
router is as TCP Client site, user need to enter slave address and slave port
number in “Slave Address @ Modbus Slave ” and “Slave Port @ Modbus Slave”,
and connect to Server site.
Modbus Slave
@Modbus
Add the Modbus slaves which will be polled by Modbus master (router). This
section only displayed when you select “Modbus RTU master” or “Modbus ASCⅡ
master” in “Attached serial device type”.
Null
Slave Address @
Modbus Slave
This connection is usually used to connect to the Modbus slave devices which as
TCP server. Enter IP address of the TCP server.
Null
Slave Port @ Modbus
Slave
Enter the port number of TCP server. Null
ID @ Modbus Slave Enter the ID number of TCP server. Null
Interval Timeout @
Transparent
Over
Rlink
The serial port will queue the data in the buffer and send the data to the
Ethernet WAN when it reaches the Interval Timeout in the field.
10
Attached serial device
type @ Modbus Over
Rlink
Select From “Modbus RTU slave”, “Modbus ASCⅡ slave”.
Modbus RTU slave: router connects to slave device which works under Modbus
RTU protocol.
Modbus ASCⅡ slave: router connects to slave device which works under
Modbus ASCⅡprotocol.
Null
 When Select Protocol “Transparent”: