
TU RS485/ETH serie
CD Automation srl
44
6
TROUBLESHOOTING
6.1
ERROR MESSAGES IN THE LOG WINDOW AND IN THE STATUS BAR
EVENT
POSSIBLE CAUSES
POSSIBLE SOLUTIONS
“Not Connected”.
-The Controller is not connected.
-The communication channel selected
has not been enabled.
-Verify in the
“Settings”
menù :
for Ethernet port
:
-IP address
-Port number reserved to the Modbus
TCP socket (Port)
-Time out value.
-Modbus node ID of the device.
for serial port (COM)
:
-COM port number.
-Baud rate.
-Modbus node ID of the device.
“
Com Error”.
-Wrong setting of the Ethernet port's
communication parameters.
-Wrong setting of the Slave port's
communication parameters.
-Wrong command addressing on the
Master port.
-Verify in the
“Settings”
menù :
for Ethernet port
:
-IP address
-Port number reserved to the Modbus
TCP socket (Port)
-Time out value.
-Modbus node ID of the device.
for serial port (COM)
:
-COM port number.
-Baud rate.
-Modbus node ID of the device.
-Verify in the
“Config”
menù :
-Modbus node ID of the device.
-Baud rate.
- Delay of receiving (Slave port)
If the parameters have been correctly set
check the connection of the device
“
Com Timeout”.
-With communication channel configured,
indicates a missing reception of the
response by the device.
-Wrong communication parameters.
-Verify in the
“Settings”
menù :
for Ethernet port
:
-IP address
-Port number reserved to the Modbus
TCP socket (Port)
-Time out value.
-Modbus node ID of the device.
for serial port (COM)
:
-COM port number.
-Baud rate.
-Modbus node ID of the device.
“Label error”.
-One or more errors occur inside a
Function Block when the Program is
compiled,downloaded or verified.
-Check the parameters of the Function
Block identified by the index number
visualized inside the log window. (refer to
the sections 2.3 and 4.2).