Error Messages - HEIDENHAIN ND 281B User Manual

Measured value displays
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Error Messages

Display
RS232 FAST
SIGNAL
DSR.MISSING
REF. ERR.
FORMAT ERR.
FREQUENCY
MEMORY ERR.
1)
These errors are important for the attached device. The
error signal (pin 19) at D-sub connection EXT is active.
16
Effect/Cause
Command for measured value
output followed too quickly by
another.
1)
Encoder signal is too weak.
The scale may be contaminated.
The connected device has not sent
a DSR signal.
1)
The spacing of the reference marks
as defined in P43 is not the actual
spacing.
1)
Data format, baud rate, etc. do not
match.
1)
Input frequency too high for encoder
input. Traversing speed may be too
fast.
1)
Checksum error: Check the datum,
operating parameters and compen-
sation values for multipoint axis
error compensation. If this error
recurs, contact your service
agency!
Display
REC. ERROR
Other Error displays
If "OVERFLOW" appears, the measured value is too large or
1)
too small:
ä
Set a new datum.
or
ä
Traverse back.
If all sorting signals light up, the upper sorting limit is smaller
than the lower limit:
ä
Change operating parameters P18 and/or P19.
To clear error messages:
Once you have removed the cause of the error:
ä
Clear the error message with the CL key.
Effect/Cause
Error during reception of param-
eter and compensation-value lists.

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