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APPX
Appendix 3 Troubleshooting by Symptom
205
A
Ethernet communication between C Controller module and
personal computer cannot be established
Issue PING command from the personal computer to the C Controller module and check the response.
When the PING command response is incorrect
Check the following items.
When the PING command is correct
Perform the troubleshooting in accordance with the following symptoms.
■
CW Configurator connection fails
■
CW Workbench connection fails
■
Telnet connection fails
■
FTP connection fails
Check item
Corrective action
The IP address segments of the personal computer and the C Controller
module are different.
Set the same segment to both the personal computer and C Controller
module. If it is relayed on another segment LAN via the gateway, contact the
network administrator of the connected LAN.
The duplicate IP addresses with the personal computer and the C Controller
module exist in the connected LAN.
Contact the LAN network administrator to eliminate the IP address duplication.
As a result of the C Controller module replacement, PING does not respond
normally.
Reset all devices on the network to which the C Controller module is
connected.
The IP address outside range is specified.
Check the following items and specify a right IP address.
• The IP address starts with a number from 1 to 233, excluding 127.
• No space is included in the IP address.
The system in a multiple CPU system is faulty. (The self-diagnostic error such
as CPU module configuration error and parameter error)
• Reset the multiple CPU system and restart it.
• Connect CW Configurator after the READY LED turned ON, and write the
correct parameters.
The network is in the overloaded conditions.
Disconnect the other Ethernet devices, and establish the connection only with
the C Controller module.
Check item
Corrective action
The Ethernet cable is not connected to the Ethernet port.
Connect the Ethernet cable.
The connection destination of CW Configurator is set to a different route.
Set the connection destination of CW Configurator, via Ethernet.
Check item
Corrective action
The Ethernet cable is not connected to the Ethernet port.
Connect the Ethernet cable.
"Target Server Options" of CW Workbench is not set properly.
Set "Target Server Options" of CW Workbench properly.
Check item
Corrective action
The Ethernet cable is not connected to the Ethernet port.
Connect the Ethernet cable.
User name and password is not sure.
Initialize the C Controller module.
A message "Sorry, session limit reached." appears.
Terminate the Telnet connection from another personal computer and take any
of the following actions:
• Reconnect after the Telnet connection timeout time has elapsed.
• Reset the C Controller system.
Check item
Corrective action
The Ethernet cable is not connected to the Ethernet port.
Connect the Ethernet cable.
User name and password is not sure.
Initialize the C Controller module.
There are 11 or more FTP connections to one C Controller module.
Make an adjustment so that the number of FTP connections becomes 10 or
less.
An FTP connection can be established normally from the Windows
command prompt.
Change the FTP client tool to be used when an FTP connection can be
established from the command prompt.
Summary of Contents for MELSEC iQ-R C R12CCPU-V
Page 1: ...MELSEC iQ R C Controller Module User s Manual Application R12CCPU V ...
Page 2: ......
Page 23: ...1 EXECUTING PROGRAMS 1 3 I O Access Timing 21 1 MEMO ...
Page 32: ...30 3 MEMORY CONFIGURATION OF C Controller Module 3 4 Files MEMO ...
Page 257: ...I 255 MEMO ...
Page 261: ......