Led - Mitsubishi Electric MELSEC Q Series User Manual

4.4

LED

The LEDs on the front of the QD73A1 indicate the statuses of the module and axis control.
Indication
: OFF

: ON
: Flashing
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
RUN A ZERO
B GAIN
Z
ERR. BUSY
58
QD73A1
RUN A
B
Z
ERR. BUSY
Attention
• The power is off.
RUN LED: OFF • A hardware error is occurring.
(All the other LEDs are • A watchdog timer error is occurring.
OFF or ON.) If the RUN LED does not turn on even after the power was turned off and
on, the module may be broken. Replace the module with another module.
• RUN LED: ON
The module is operating normally.
• ERR. LED: OFF
An error is occurring.
ERR. LED: ON
Read out the error code, and take the corrective action described in the
(All the other LEDs are
OFF or ON.)
error code list. (
BUSY LED: ON
Positioning is in execution.
(All the other LEDs are
The LED turns off when the positioning is completed.
OFF or ON.)
• A LED: ON or flashing
• B LED: ON or flashing
Pulses are input through the pulse input terminals (phase A, B, and Z).
• Z LED: ON or flashing
• RUN LED: Flashing Zero adjustment of analog output is being performed.
• ZERO LED: ON The LED turns off when the zero adjustment is completed.
• RUN LED: Flashing Gain adjustment of analog output is being performed.
• GAIN LED: ON The LED turns off when the gain adjustment is completed.
• RUN LED: Flashing
• BUSY LED: ON The zero adjustment value and the gain adjustment value are being
(The ZERO LED is ON written.
during zero adjustment. The LED turns off when writing of the zero adjustment value and gain
The GAIN LED is ON adjustment value is completed.
during gain adjustment.)
ZERO
GAIN
Description
Page 252, Section 14.3.4)