Panasonic minas a4 series Instruction Manual page 277

• Encoder status (L)-----1 represents error occurrence.
Encoder status (L)
bit7 bit6 bit5 bit4
0 0
• Transmit the absolute data while fixing the motor with brake by turning to Servo-Off.
<Note>
For details of the above error protection, refer to P.252, "Protective Function" of When in Trouble, and for
contents of alarms, refer to the following "Display of Battery Alarm".
Display of Battery Alarm
Following alarm will be displayed when making the front panel to alarm execution mode of monitor mode.
How to Clear the Battery Alarm
Replace the battery for absolute encoder when battery alarm occurs according to P.268, "How to Replace
the Battery". After replacement, clear the battery alarm in the following 3 methods.
(a) "CN X5" Connecting Alarm clear input (A-CLR) to COM– for more than 120ms.
(b) Executing the alarm clear function in auxiliary function mode by using the console (option).
(c) Click the "Battery warning" Clear button, after select the "Absolute encoder" tab in the monitor display
window by using the PANATERM (option).
bit3 bit2 bit1 bit0
0 0 0 0
Battery error
One of the following has occurred.
Battery alarm, multi-turn error, counter overflow,
counter error, full absolute status, Counter overflow
multi-turn error, battery error or battery alarm
... No alarm, .... Alarm occurrence
Over regeneration alarm : Regeneration has exceeded 85% of the alarm trigger
Overload alarm : Load has exceeded 85% of the alarm trigger level of
overload protection.
Battery alarm : Voltage of battery for absolute encoder has fallen below
the alarm level (approx. 3.2V).
Fan lock alarm : Fan has stalled for more than 1[s].
External scale alarm : Temperature of external scale has exceeded 65˚C or
signal intensity have not been enough.
(Mounting adjustment is required.)
level of over regeneration load protection.
[Supplement]
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