Alarm Display/Output - Sony LY51 Instruction Manual

8. ALARM DISPLAY/OUTPUT

Display
No indication
Note 1: The alarm signal is output only when the universal output is set to Alarm ("ALM").
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Note 2: When the stored data error is displayed, perform the initial settings.
Symptom
A momentary power failure occured.
(Only when the power-on mode is set to the initial setting mode)
Power supply
failure
Output : An error status is output to the I/O.
(Note 1) An alarm signal is output.
The maximum response speed is exceeded at the scale unit.
Max. speed
The scale unit is not connected.
exceeded
The cable is broken.
Unconnected
scale unit
Output : An error status is output to the I/O.
Broken cable
(Note 1) An alarm signal is output.
The maximum response speed of the zero point is exceeded at the scale unit
Excessive zero during zero point detection.
point speed or The zero point position is displaced for 3 counts or more during zero point
displacement reference mode.
of zero point
position Output : An error status is output to the I/O.
(Note 1) An alarm signal is output.
The contents of stored data are changed or lost due to noise. (Note 2)
Stored data
error
This is displayed when the power is turned on again but the type of expansion
unit has changed from before.
Unit change
Even if the power-on display mode is set to count, initial setting is required if the
type of expansion unit has changed.
Cause