Setting Motor Overload Detection Level - YASKAWA SGMJV User Manual
Ac ?-v series
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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
Note: For details, refer to Overload Characteristics listed in the section for the relevant servomotor in the
Product Catalog (KAEP S800000 42).
Overload Warning Level
Pn52B
Setting Range
Detection curve of
overload warning when
Pn52B=50%
100%
Setting Unit
1 to 100
1%
5.2 Setting Common Basic Functions
Detection curve of
overload alarm
Detection curve of overload warning
when Pn52B=20% (factory setting)
200%
Torque reference [%]
Speed
Position
Factory Setting
When Enabled
20
Immediately
Σ
-V Series
Torque
Classification
Setup
5-19
5
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