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Cannot connect the converter from the network.
Is the IP address and port number set
correctly?
Search the device by using the deviceinstaller and check
the network address again.
Is the converter connected to the other
network segment beyond the rooter?
Assign IP Address of rooter to default gateway of the
converter. Also condition of rooter firewall may need to
be changed,
contact your network administrator to
check.
Are you using COMPortRedirector?
Please confirm if the COMPort No. which is set on the
COMPortRedirector is used on the side of the application
software.
Is the connection mode set to Server
Mode?
Check the condition of converter.
Cannot communicate on the RS-422/RS-485 port side
Are SD/RD LEDs blinking?
It is working correctly if the LEDs are blinking when the
data was transmitted on the RS-422/485 line.
Note: This can be difficult to distinguish when the
transmitted data is too small.
Is the terminal block connected
correctly?
Check that the terminal block is connected correctly,
that the cables are disconnected, that the cables
connected to the wrong connectors, and so on.
Is the DIP switch set correctly?
Set the DIP switch correctly following the connection
method, communication conditions, etc.
Are the GND terminal on the
converter and the signal grand on the
target device, connected?
Connect the GND terminal on the converter to the
signal grand on the target device.
Is the communication condition set
correctly?
Set to the same values the communication speed, data
bits, parity, stop bits, flow control, etc. on both the
converter and target device.
