4-131
Display
(function
code)
ReferenceFunction name
Absolute encoder multi-turn setting (ABS) change: If you
change user parameter setting Pn205 (absolute encoder
multi-turn limit setting), the new value is automatically
written to the encoder.
4-11-11 Changing Absolute
Encoder Rotation Setting
Option Unit detection results clear: If an Option Unit is
removed, an A.E7 alarm (option detection error) will be
detected. Use this function to clear the Option Unit detection
results.
4-11-12 Clearing Option
Unit Detection Results
4-11-1 Alarm History
• OMNUC W-series AC Servo Drivers remember up to the last 10 alarms to have occurred. This section
explains the alarm history data display (Fn000) and how to clear the data (Fn006).
H Alarm History Display (Fn000)
• Display the remembered alarms using System Check Mode (Fn000).
Note 1. Alarms CPF00 (Parameter Unit transmission error 1) and CPF01 (Parameter Unit transmis-
sion error 2) are Parameter Unit alarms, and so are not stored in the alarm history.
Note 2. Warnings are not stored in the alarm history.
Note 3. If the same alarm occurs continuously, it is entered in the alarm history only as a single alarm.
System Check Mode alarm
history display
Error number
Alarm history data
Alarm history display
(displays alarm before last)
Alarm history display
(displays alarm second before
last)
Alarm history display
(displays ninth alarm before last)
Alarm history display
(displays last alarm)
1 s min.
1 s min.
1 s min.
1 s min.
1 s min.
Operation Chapter 4
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