Robustel R3000 NU - Manual (Page 43)

Robustel GoRugged R3000 NU User Guide
RT_UG_R3000 NU_v.1.0.0 24.03.2014 42 / 110
Confidential
or received via VPN tunnel.
Note: when you do not enable any VPN tunnel, this item will not show up.
Local Port @ Modbus Enter the Local port for Modbus. 0
Attached serial device
type @ Modbus
Select From “Modbus RTU slave”, “Modbus ASCⅡ slave”, “Modbus RTU
master” and “Modbus ASCⅡ master”.
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.
Modbus RTU master: router connects to master device which works under
Modbus RTU protocol.
Modbus ASCⅡ master: router connects to master device which works
under Modbus ASCⅡ protocol.
Modbus
RTU slave
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
Serial port will queue the data in buffer and then send it to the Ethernet
WAN when it reaches the Interval Timeout in this 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.
Modbus
RTU slave
3.14 Configuration -> DI/DO
This section allows users to set the DI/DO parameters.