Rockwell Automation 1336F PLUS II User Manual - Firmware 1.xxx-6.xxx - Manual (Page 92)

6–10 Programming
Setup
[Adaptive I Lim]
When ENABLED, this parameter maintains normal current
limit control to provide normal acceleration into medium to
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 or disables the software current limiting 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 elec-
tronic overload function. Motors designed to 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 2:1 Speed Range Derate below 50%
of Base Speed
“Min Derate” 1 4:1 Speed Range. Derate below 25%
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
0 200 175 150 125 100 75 50 25
Overload Patterns
1 10
1
10
100
1000
Time to Trip vs. Current
Multiple of [Overload Amps]
Time to
Trip - Seconds
115%
Cold
Hot