Setting Motor Overload Detection Level - YASKAWA E-V Series User Manual

5.2.8 Setting Motor Overload Detection Level

In this SERVOPACK, the detection timing of the warnings and alarms can be changed by changing how to
detect a overload warning (A.910) and overload (continuous overload) alarm (A.720).
The overload characteristics and the detection level of the overload (instantaneous overload) alarm (A.710)
cannot be changed.
(1) Changing Detection Timing of Overload Warning (A.910)
The overload warning level is set by default to 20% so that an overload warning is detected in 20% of the time
required to detect an overload alarm. The time required to detect an overload warning can be changed by
changing the setting of the overload warning level parameter (Pn52B). This protective function enables the
overload warning output signal (/WARN) serve as a protective function and to be output at the best timing for
your system.
The following graph shows an example of the detection of an overload warning when the overload warning
level (Pn52B) is changed from 20% to 50%. An overload warning is detected in half of the time required to
detect an overload alarm.
Overload detection time
Overload Warning Level
Pn52B Setting Range
1 to 100
Detection curve of
overload warning when
Pn52B=50%
100%
Speed
Setting Unit Factory Setting
1%
5.2 Setting Common Basic Functions
Detection curve of
overload alarm
Detection curve of overload warning
when Pn52B=20% (factory setting)
200% Force reference [%]
Position
Force
When Enabled
20 Immediately
Classification
Setup
5
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