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11-4
11-2 Warning
OMNUC G5-Series AC Servo Drives Users Manual (Built-in MECHATROLINK-II communications type)
11
Error and Maintenance
11-2 Warning
This function outputs a warning signal and notifies the erroneous state such as overload before
an alarm starts to operate.
Set the warning output type to Warning Output Selection 1 (Pn440) and Waning Output Selection 2 (Pn441).
Refer to the description about the Warning Output Selection 1 (Pn440) and the Warning Output Selection
2 (Pn441) in Section 8-5 Interface Monitor Setting Parameter, and those about the Warning Mask Setting
(Pn638) and the Communications Control (Pn800) in “8-7 Special Parameters”.
Precautions for Correct Use
All warnings are retained. To reset the retained warnings, take the same procedures as resetting the usual
alarms.
Warning List
General Warnings
*1. Set the Warning Output Selection 1 (Pn440) by the warning type to output to the Warning Output 1
(WARN1), and the Warning Output Selection 2 (Pn441) by the type to output to the Warning Output
2 (WARN2). If you set this to 0, all warning types are output.
*2. Each warning detection can be masked using the Warning Mask Setting (Pn638). The table shows
the corresponding bits.
When the bit is set to 1, the warning detection is masked.
Warning
number
Warning name
Warning occurrence condition
Warning Output
Selection
(Pn440, Pn441)
*
1
Warning Mask
Setting
(Pn638)
*
2
A0
Overload
warning
The load ratio is 85% or more of the
protection level.
1
bit7
A1
Excessive
regeneration
warning
The regeneration load ratio is 85% or
more of the protection level.
2
bit5
A2
Battery warning Battery voltage is 3.2 V or less.
3
bit0
A3
Fan warning
The fan stop status continues for 1 second.
4
bit6
A4
Encoder
communications
warning
The encoder communications errors
occurred in series more frequently than
the specified value.
5
bit4
A5
Encoder
overheating
warning
The encoder detects the overheat
warning.
6
bit3
A6
Vibration
detection
warning
Vibrating is detected.
7
bit9
A7
Life expectancy
warning
The life expectancy of the capacitor or the
fan is shorter than the specified value.
8
bit2
A8
External encoder
error warning
The external encoder detects a warning.
9
bit8
A9
External encoder
communications
warning
The external encoder has
communications errors in series more
than the specified value.
10
bit10
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