Mitsubishi Electric MELSEC L Series User Manual page 23

No. Name
ERR. LED
L ERR.
LED
1)
STATION
NO.

P1 L ER
LED
2)
LINK
LED

P2
L ER LED
LINK LED
3) Serial number display
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Indicates the error status of the head module. The error details can be checked by performing the CC-Link

IE Field Network diagnostics. (
On An error has occurred in the head module.
Off Operating normally.
Indicates the receive data and line error status. When this LED is on, the port in which the error was
detected can be checked with the L ER LED of "P1" or "P2".

The error details can be checked by performing the CC-Link IE Field Network diagnostics. (
CHAPTER 9) This LED automatically turns off when the module has received normal data or does not
perform loopback in ring topology.
• The module has received abnormal data.
On • The module is performing loopback. (Only for the head module with a serial number (first five digits) of
"12072" or later)
• The module has received normal data.
Off • The module does not perform loopback. (Only for the head module with a serial number (first five digits)
of "12072" or later)
 Displays the station number of the head module.
Displays the station number.
Example: Station number 15
1
2
On
4
8
X100 X10
Off The station number has not been set.
PORT1 connector for CC-Link IE Field Network (RJ45 connector)
An Ethernet cable is connected here. (
There is no restriction on the order of connecting the "P1" and "P2" connectors.
• The module has received abnormal data.
On • The module is performing loopback. (Only for the head module with a serial number (first five digits) of
"12072" or later)
• The module has received normal data.
Off • The module does not perform loopback. (Only for the head module with a serial number (first five digits)
of "12072" or later)
On Link-up
Off Link-down
PORT2 connector for CC-Link IE Field Network (RJ45 connector)
An Ethernet cable is connected here. (
There is no restriction on the order of connecting the "P1" and "P2" connectors.
(Same as the "P1" connector)
Displays the serial number printed on the rating plate.
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Description
Page 75, CHAPTER 9)
X1
10 + 5 = 15
Page 47, Section 6.5.1)
Page 47, Section 6.5.1)
CHAPTER 2 PART NAMES
Page 75,
21
2