13.2.11 A Communication Error has Occurred through Ethernet
Condition: No communication with Ethernet port of Ethernet + 1-channel type RS232C
(AFPX-COM5)
Procedure 1
Check if the LAN cable is securely connected to each unit or a PC.
When using a HUB for the connection, check if the power supply of the HUB is on.
Procedure 2
Check if the LINK/ACT LED lights up.
- When the LED is off, the LAN cable is not connected correctly.
Procedure 3
Check the IP addresses and the destination.
Procedure 4
Check if the communication format and baud rate for the COM1 port of the FP-X matches the
configuration setting of the AFPX-COM5.
Condition: The ERR LED of Ethernet + 1-channel type RS232C is flashing.
Procedure 1
Check the status with the Configurator WD.
- If the “IP duplicate error” is indicated for the status, the IP address may be duplicate on the network.
Specify an IP address that is not duplicate.
- If the “DHCP error” is indicated for the status, getting IP from the DHCP server has been failed. Check
if there is no problem on the network system.
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