Rockwell Automation Allen-Bradley 160 SSC Series, User Manual

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5-8 Parameters and Programming
41
[Motor Overload Select
]
Bulletin 160 provides Class 10 overload protection. Settings 0 – 2 select the
derating factor for the I
2
t overload function.
0/2 Numeric
Value 0
42 [Motor Overload Current]
Set to motor nameplate Full Load Amps (FLA).
0.1/200% of
Drive Rating 0.01A 115% of
Drive
Rating
43 [Current Limit]
Maximum output current allowed before current limiting occurs. Value set in
percent of drive rated output current.
1/180% of
Drive Rating 1% 150%
44 [DC Hold Time]
The time that P45 - [DC Hold Voltage] will be applied to the motor when P34 -
[Stop Mode Select] is set to either “DC Injection Braking” or “Ramp to Stop.”
0.0/25.0 0.1
Seconds 0.0
Seconds
Program Group
No. Parameter Name/Description
Min./Max.
Range
Units
Factory
Default
Setting Derate Level
0 No Derate 10:1 speed range
1 Min. Derate 4:1 speed range, derate below 25% of base speed
2 Max. Derate 2:1 speed range, derate below 50% of base speed
Min Derate
0
80
100
60
40
20
% of [Overload Curent] Setting
% of [Overload Curent] Setting
% of [Overload Curent] Setting
No Derate
0
80
100
60
40
20
% of Base Speed
% of Base Speed % of Base Speed
Max Derate
0
80
100
60
40
20
0 200 175 150 125 100 75 50 25
0 200 175 150 125 100 75 50 25 0 200 175 150 125 100 75 50 25
Settings
0 = No Derating
1 = Minimum Derating
2 = Maximum Derating