89
Serial Port Profiles
Configure the following parameters:
Advanced Field Descriptions
Configure the following parameters:
Mode
Specify how the Modbus Gateway is defined on the serial port.
Data Options:
z
Modbus Master
—Typically, the Modbus Master is connected to the
Serial Port and is communicating to Modbus Slaves on the network.
z
Modbus Slave
—Typically, the Modbus Master is accessing the Terminal
Server through the network to communicated to Modbus Slaves connected
to the Terminal Server’s Serial Ports.
Default:
Modbus Master Gateway
Destination Slave
IP Mappings
Button
Click this button to launch the Destination Slave IP Settings window, where
you can configure the TCP/Ethernet Modbus Slaves that the Modbus Master on
the Serial Port will communicate with.
UID Range
You can specify a range of UIDs (1-247), in addition to individual UIDs.
Field Format:
Comma delimited; for example, 2-35, 50, 100-103
Advanced Slave
Settings Button
Click this button to configure global Modbus Slave settings.
Modbus/RTU
Select this option when the Modbus/RTU protocol is being used for
communication between the Modbus Master and Slave.
Default:
Enabled
Modbus/ASCII
Select this option when Modbus/ASCII protocol is being used for
communication between the Modbus Master and Slave.
Default:
Disabled
Append CR/LF
When
Modbus/ASCII
is selected, adds a CR/LF to the end of the transmission;
most Modbus devices require this option.
Default:
Enabled
Idle Timeout
Use this timer to close a connection because of inactivity. When the
Idle
Timeout
expires, the Terminal Server will end the connection.
Range:
0-4294967 seconds (about 49 days)
Default:
0 (zero), which does not timeout, so the connection is permanently
open.
Enable Modbus
Exceptions
Click this button to launch the Destination Slave IP Settings window, where
you can configure the TCP/Ethernet Modbus Slaves that the Modbus Master on
the Serial Port will communicate with.