Mitsubishi Electronics fx3u Benutzerhandbuch
4 - 6
MELSEC-F
SETTINGS AND PROCEDURES PRIOR TO OPERATION
4
4 - 6
(1) LED display contents
(*1)
*1 Refer to Subsection 11.1.1 for causes of error displays and the corresponding corrective
actions.
*2 The [ERR.] LED turns on in the following cases:
• When the parameter written is incorrect.
• When the checksum of the parameter written is not identical.
• When an error has occurred in the Ethernet module and operation is disabled due to the error.
• When the checksum of the parameter written is not identical.
• When an error has occurred in the Ethernet module and operation is disabled due to the error.
*3 Refer to Subsection 11.1.1 for the status when the [COM.ERR.] LED is on.
LED name
Display description
When the LED is on
When the LED is off
RUN
Normal operation display
Normal
(when FROM/TO instruction can
be executed from PLC side)
be executed from PLC side)
Abnormal
(when WDT is in operation)
INIT.
Initial processing status display
Normal completion
Not processed
(when execution failed initial
processing)
100M
Transmission speed display
100Mbps
10Mbps/When not connected
SD
Data sending display
Data being sent
Data not being sent
RD
Data receiving status display
Data being received
Data not being received
ERR.
Setting abnormal display
Abnormal
*2
Normal setting
COM.ERR.
Communication abnormal display
Communication abnormal
occurrence
*3
Normal communication in progress
POWER
Module power status
Power is on
Power is off
C1 to C4
TCP/IP, UDP status of the
connections
connections
TCP/IP : Connection Established
UDP : Open
UDP : Open
TCP/IP : Connection not Established
UDP : Closed
UDP : Closed