Mitsubishi Electric MELSEC-Q Series User Manual page 106

QD77GF4
QD77GF4
RUN AX
D LINK
SD RD
ERR. L ERR.
LED Display
RUN
RUN
LED is
SD
OFF.
ERR.
RUN
LED is
RUN
ON.
SD
ERR.
ERR.
LED is
OFF.
ERR.
RUN
LED is
flashing.
SD
AX LED
ERR.
is OFF.
ERR.
LED is
RUN
flashing.
SD
AX LED
ERR.
is
flashing.
RUN
ERR.
LED is
SD
ON.
ERR.
RUN
AX LED
SD
is ON.
ERR.
RUN
AX LED
SD
is OFF.
ERR.
(1) LED (upper part on the front)
QD77GF8
Description
AX
D LINK Hardware failure,
RD
watch dog timer error
L ERR.
AX
D LINK
Operates normally.
RD
L ERR.
AX
Token pass not
D LINK
executed for some
RD
stations
L ERR.
AX
D LINK
Axis error
RD
L ERR.
System error,
CPU stop error,
AX
error in all stations,
D LINK
station number
RD
duplication,
L ERR.
invalid network
parameter
AX
D LINK Axis operation in
RD
progress
L ERR.
AX
D LINK An axis stops or is on
RD
standby.
L ERR.
Chapter 4 Installation, Wiring and Maintenance of the Product
QD77GF8
RUN AX
D LINK
SD RD
ERR. L ERR.
LED Display
RUN
SD LED
is ON.
ERR.
RUN
SD LED
is OFF.
ERR.
RUN
D LINK
LED is
ON.
ERR.
RUN
D LINK
LED is
flashing.
ERR.
RUN
D LINK
LED is
OFF.
ERR.
RUN
RD LED
is ON.
ERR.
RUN
RD LED
is OFF.
ERR.
RUN
L ERR.
LED is
ON.
ERR.
RUN
L ERR.
LED is
OFF.
ERR.
4 - 4
QD77GF16
QD77GF16
RUN
SD
ERR.
AX
D LINK
Sending data.
SD RD
L ERR.
AX
D LINK
Data not sent
SD RD
L ERR.
Data link in
AX
D LINK operation (cyclic
SD RD
transmission in
L ERR.
progress)
Data link in
AX
D LINK operation (cyclic
SD RD
transmission
L ERR.
stopped)
AX
Data link not
D LINK
performed
SD RD
(disconnected)
L ERR.
AX
D LINK
Receiving data.
SD RD
L ERR.
AX
D LINK
Data not received
SD RD
L ERR.
AX
D LINK Frame error
SD RD
detection
L ERR.
AX
D LINK Frame error not
SD RD
detected
L ERR.
: ON, : Flashing,
AX
D LINK
RD
L ERR.
Description
: OFF