Mitsubishi MELSEC L Series User Manual page 62

No. Name
1) USER LED
2) 100M LED
3) SD/RD LED
IN 0 to IN F LEDs
4)
OUT 0 to OUT 7 LEDs
5) SD LED
6) RUN/STOP/RESET switch
7) SD memory card lock switch
8) SD memory card slot
9) USB connector
10) Built-in Ethernet port
11) Serial number display
12) Module joint levers
13) Display unit hook
14) Battery connector pin
15) Display unit dummy cover
16) Battery
17) Connectors for external devices (40 pins)
18) DIN rail hook
19) Built-in CC-Link part
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Indicates the status of the annunciator (F).
On (red): The annunciator (F) is on.
Off: The module is operating normally or the annunciator (F) is not used.
Indicates the data transmission speed over Ethernet.
On (green): Data is communicated at a speed of 100Mbps.
Off: Data is communicated at a speed of 10Mbps or connection is not established.
Indicates the data communication status over Ethernet.
On (green): Data is being sent or being received.
Off: Data is not being sent or not being received.
Indicates the input status.
On (green): The corresponding input signal is on.
Off: The corresponding input signal is off.
Indicates the output status.
On (green): The corresponding output signal is on.
Off: The corresponding output signal is off.
Indicates the status of an SD memory card.
On (green): An SD memory card is being used.
Flashing (green): An SD memory card is being prepared.
Off: An SD memory card is not used.
A switch that controls the operating status of the CPU module
RUN: Status for performing sequence program operations
STOP: Status for stopping sequence program operations
RESET: Status for resetting a CPU module (
A switch that disables card access while an SD memory card is being inserted or removed
A slot where an SD memory card is inserted
A connector for peripherals supporting USB (connector type: miniB)
A connector for Ethernet supporting devices (RJ-45 connector)
Devices can be connected using twisted pair cables for Ethernet.
Displays the serial number printed on the rating plate.
Levers for connecting two modules
A hook for fixing a display unit to the CPU module
A pin for connecting a lead wire for the battery
(The lead wire is disconnected at the factory to save the battery.)
A dummy cover used when a display unit is not connected
A battery for the backup power function, which backs up data in standard RAM and latch devices at
power failure
A connector for I/O signal cables to/from external devices
A hook used to mount the module to a DIN rail
An area for configuring a CC-Link system. (Only the L26CPU-BT and L26CPU-PBT have this part.)
For details, refer to the following.
MELSEC-L CC-Link System Master/Local Module User's Manual
Application
Page 65, Section 6.3.2)