When an error message is displayed (Error code list)
Maintenance/Troubleshooting
1-134
RHxx053 (Node Name): You
cannot read the write
only device
(Address: (Device
Address))
The Protocol driver detected
read-out of the read only
address, or write-in of the
write only address
(1) Please check the manual
of device/PLC in use for
the detail of receiving
error codes.
(2) Please check if the
address is set to read the
write only address.
If Parts that perform read-
ing operation such as
Lamps and Data Display
are used, please set the
read address.
RHxx054 (Node Name): You
cannot write the read
only device
(Address: (Device
Address))
RHxx065 (Node Name): TCP
connection open
error (IP Address:
(IP Address))
IP address and port number
of device/PLC are not recog-
nized. The cause could be
that the power of HUB or
device/PLC is not ON, or
cable is unplugged.
(1) Please check the settings
of IP address and Port
number on display unit
side and device/PLC side.
(2) Please check if the net-
work environment is nor-
mal.Please specify the
cause via procedures such
as directly connecting PC,
GP and device/PLC, and
then checking if IP
address is recognized via
PING command.
RHxx066 (Node Name): UDP
target not found (IP
Address: (IP
Address))
Continued
Error No.
Error Message
Cause and Solution
Countermeasure
