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8. TROUBLESHOOTING
I '
-,
"
,
-
8.1.4 AlSD71
start
and
operation errors
The following errors are detected when AlSD71 cannot start operations after
receiving a PC CPU command due to AlSD71 internal condition errors
or
AlSD71 operating errors. Error codes
a h shown in Table
8.6 below.
Table 8.6
AlSD71 Start and Operation
Error
Codes
-
Error
Code
70
-
71
72
73
74
75
-
76
77
78
-
79
-
Caure
READY signal is OFF at the start
External stop signals (6A and
8A) are
ON
at the start.
The A l S D f l ready signal (X1 1)
and PC CPU ready signal (Y2D)
are OFF at the start.
The relevant axis is BUSY at the
start.
The relevant axis positioning
complete
signal
is ON at the
start.
The M code
ON
signal is ON at
the start.
The stop signals (Y25, Y26) are
ON
at the start.
-
Inputting the BREAK key from a
peripheral device stops opera-
tions.
Zero return is repeated more
than twice consecutively.
The zero return complete signal
is ON when zero return is
started.
Outside the range from 0 to
16252928 pulses.
Corrective Action($)
Set the drive unit READY.
Turn OFF the stop signals (6A and 8A).
Turn ON the PC CPU power and set the PC
CPU to RUN.
~~
Check the hardware.
Do not start when BUSY.
Restart after turning OFF the start signal.
Turn OFF the 'M code
ON'
signal using the "M
code OFF' signal.
Turn OFF the stop signals (Y25, Y26).
Release the stop processing from the periph-
eral device or AD71TU.
Zero return cannot be repeated.
Zero return has been already completed.
Transfer positioning or the jog operation.
'
Return inside the stroke limit range using jog.
'
Change the current value.
Note 1
:
Start includes;
Zero return start
Jog operation
has an error.
2: For interpolation starts, error codes are always given for both axes even if one axis
8 - 6
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