Mitsubishi Electric MELSEC-Q Series User Manual page 26

No. Name
1) LED display
2) SET switch
Transmission cable terminal
3)
block
4) Serial number display
5) Module joint lever
6) DIN rail hook
24
The master module status is indicated by the LEDs.
LED name Description
Indicates the operating status of the master module.
RUN LED (green) ON: Operating normally
OFF: Master module error, 5VDC power off, or CPU module stop error
Indicates the link status of the master module.
LINK LED (green) Flashing: Communication is possible.
Off, On: Communication is not possible.
Indicates the address detection status of the master module.
On: Automatic address detection in progress
SET LED (green)
Flashing: Address write in progress
Off: Before or after automatic address detection
Indicates the alarm status of the master module.
ON: DP/DN disconnection, no response from the slave module
Slow flashing (one-second intervals): DP/DN short
ALM LED (red)
Fast flashing (0.2-second intervals): 24VDC is not being supplied or the
voltage is low.
OFF: Operating normally
Switch for automatic detection of the slave module ID (address)
A terminal block of the AnyWireASLINK
Displays the serial number printed on the rating plate
A lever for connecting modules
A hook for mounting a module to a DIN rail
Description