Instruction Manual

7–10 Programming
Setup
[Adaptive I Lim]
WhenENABLED,thisparametermaintainsnormalcurrent
limitcontroltoprovidenormalaccelerationintomediumto
high system inertia.
When DISABLED, this parameter applies a feed forward
command to acceleration, allowing quicker accel times
from stopped to commanded speed with low system
inertia
.
Parameter Number 227
Parameter Type Read and Write
Factory Default “Enabled”
Units Display Drive
“Disabled” 0
“Enabled” 1
[Current Limit En]
Enables ordisables the software currentlimiting function
(does not disable voltage limiting).
Parameter Number 303
Parameter Type Read and Write
Factory Default “Enabled”
Units Display Drive
“Disabled” 0
“Enabled” 1
[Overload Mode]
This parameter selects the derating factor for the I
2
T
electronic overload function.Motors designedto operate with
wider speed ranges need less overload derating.
Parameter Number 37
Parameter Type Read and Write
Factory Default “No Derate”
Units Display Drive
“Max Derate” 2 2:1SpeedRangeDeratebelow50%
of Base Speed
“Min Derate” 1 4:1SpeedRange.Deratebelow25%
of Base Speed
“No Derate” 0 10:1 Speed Range. No Derating
Min Derate
0
80
100
60
40
20
% of Load% of Load % of Load
No Derate
0
80
100
60
40
20
% of Base Speed
Max Derate
0
80
100
60
40
20
0
200
175
150
125100755025
Overload Patterns
1 10
1
10
100
1000
Time to Trip vs. Current
Multiple of [Overload Amps]
Time to Trip - Seconds
115%
Cold
Hot