ABB ACS310 User Manual page 215

All parameters
No. Name/Value
3007 MOT LOAD
CURVE
50....150%
3008 ZERO SPEED
LOAD
25....150%
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Description
Defines the load curve together with parameters
ZERO SPEED LOAD
With the default value 100%, motor overload protection is
functioning when the constant current exceeds 127% of the
parameter 9906 MOTOR NOM CURR
The default overloadability is at the same level as what
motor manufacturers typically allow below 30 °C (86 °F)
ambient temperature and below 1000 m (3300 ft) altitude.
When the ambient temperature exceeds 30 °C (86 °F) or
the installation altitude is over 1000 m (3300 ft), decrease
the parameter 3007 value according to the motor
manufacturer's recommendation.
Example: If the constant protection level needs to be 115%
of the nominal motor current, set parameter
91% (= 115/127·100%).
150
Par. 3007 100 =
127%
50
Par. 3008
Allowed continuous motor load relative to the nominal motor
current
Defines the load curve together with parameters
LOAD CURVE and 3009 BREAK POINT
Allowed continuous motor load at zero speed in percent of
the nominal motor current
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Actual signals and parameters 215
and 3009 BREAK POINT
value.
Output current relative (%) to
9906 MOTOR NOM CURR
Par. 3009
FREQ.
Industry Automation
Def/FbEq
3008 100%
FREQ.
3007 value to
f
1 = 1%
3007 MOT 70%
1 = 1%
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