Led - Mitsubishi Electric MELFA CR800-D Series Instruction Manual

3.3.3. LED

There is eight LED on the CC-Link interface card (TZ576), and the operating state of the interface
card can be confirmed by each lighting / blink / lights-out.
LRUN
RD
LERR
RST
Table 3.3-2 Description of LED
LED name
LRUN
RD
LERR
RST
RUN
SD
ERR
WDT
RUN
SD
ERR
WDT
Figure 3.3-4 Layout of LEDs
Lighting During data link
Lighting During data receiving
Lighting Self-station communication error
Blink The DIP switch is changed during turning on the power supply
Lighting During reset processing execution of the interface card
Lighting Operation is normally
Lighting Watch dog timer error
Lighting During data sending
Turn on at the following error occurrence. The communication of all
station are abnormal
The setup of the DIP switch is abnormal
The master station overlaps on the same line.
Lighting
The details of the parameter are abnormal.
The data link monitor timer operated
The cable is disconnected
The noise is effect to the transmission way
Blink The communication abnormal station exists.
Lighting Watch dog timer error
LRUN
LERR
Figure 3.3-5 The LED lighting state at normal
Conditions for turning on
RUN
RD SD
ERR
RST WDT
12