Mitsubishi MELSEC QD75P User Manual page 76

4 INSTALLATION, WIRING AND MAINTENANCE OF THE PRODUCT
(2) The LED display indicates the following operation statuses of the QD75 and axes.
Display Attention point
RUN AX1
AX2
RUN is OFF.
AX3
ERR AX4
RUN AX1
AX2 RUN illuminates.
AX3
ERR is OFF.
ERR AX4
RUN AX1
AX2
ERR illuminates. System error
AX3
ERR AX4
RUN AX1
AX2
AX1 to AX4 are
AX3
OFF.
ERR AX4
(3) The interface of each QD75 is as shown below.
QD75P2
QD75P1
QD75P2
QD75P1
RUN
RUN AX1
ERR
ERR
AX1
QD75P4
RUN
ERR
Description
Hardware failure,
watch dog timer
error
The module
operates
normally.
The axes are
stopped or on
standby.
QD75P4
QD75P4
AX1 RUN AX1
AX2 AX2
AX3
AX4
ERR
AX1 AX3 AX1
AX4 AX2
AX2
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AX1
AX2
AX3
AX4
Display Attention point
RUN AX1
AX2
AX1 (or other
AX3
axis) illuminates.
ERR AX4
RUN AX1
ERR flashes.
AX2
AX1 (or other
AX3
axis) flashes.
ERR AX4
RUN AX1
AX2
All LEDs
AX3
illuminate.
ERR AX4
The symbols in the Display column indicate the following
statuses:
: Turns OFF. : Illuminates.
QD75D1
QD75D1
RUN AX1
ERR
AX1
4 - 4
MELSEC-Q
Description
The
corresponding
axis is in
operation.
An error occurs
on the
corresponding
axis.
Hardware failure
: Flashes.
QD75D2 QD75D4
QD75D2 QD75D4
RUN AX1 RUN AX1
AX2 AX2
AX3
AX4
ERR ERR
AX1 AX3 AX1
AX4 AX2
AX2