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MELSEC-F
4 SETTINGS AND PROCEDURES PRIOR TO OPERATION
(1) LED display contents
(
1)
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)
Abnormal
(when WDT is in operation)
INIT.
Initial processing status display
Normal completion
Not processed
(when execution failed initial
processing)
100 M
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 C8
TCP/IP, UDP status of the
connections
TCP/IP : Connection Established
UDP : Open
TCP/IP : Connection not Established
UDP : Closed
1 Refer to Section 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.
3 Refer to Section 11.1.1 for when "COM.ERR." LED is on.
Summary of Contents for FX3U-ENET
Page 1: ...USER S MANUAL FX3U ENET ...
Page 2: ......
Page 159: ...8 6 8 6 MELSEC F 8 COMMUNICATION USING MC PROTOCOL MEMO ...
Page 295: ...App 25 App 25 MELSEC F APPENDIX MEMO ...
Page 297: ......