Owner's manual

Chapter 5 –Programming
5-12
Set Up Group (cont.)
[
O
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erload
Mode
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Parameter # 37 Factory Default “No Derating”
[
O
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erload
Mode
]
Parameter Type Read & Write
This parameter selects the derating factor for the I
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Units None Settings ‘‘No Derating”
10:1 Speed Range
– No Derating Refer to Figure 5.2
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430 and UL (file E59272) equivalent requirements.
Additional overload devices do not need to be installed.
‘‘Min Derate”
4:1 Speed Range
– Derate below 25% of Base Speed.
Refer to Figure 5.3
‘‘Max Derate”
2:1 Speed Range
– Derate below 50% of Base Speed.
Refer to Figure 5.4
100
80
60
40
20
0 25 50 75 100 125 150
175 200
% Base Speed
Figure 5.2 No Derating
100
80
60
40
20
100
80
60
40
20
Figure 5.3 Min Derating Figure 5.4 Max Derating
% Base Speed % Base Speed
0 25 50 75 100 125 150
175 200
0 25 50 75 100 125 150
175 200
[Overload Current]% of Setting
[Overload Current]% of Setting
[Overload Current]% of Setting
[
O
v
erload
Cu
rren
t]
Parameter # 38 Factory Default 115% of Drive Rated Current
Displayed in Amps
[
O
v
erload
Cu
rren
t]
Tsvues udese e r ep eu d
Parameter Type Read & Write Minimum 20% of Drive Rated Current
Displayed in Amps
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F
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ll Loa
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Amps (F.L.A.).
Units 0.1 Amps Maximum 115% of Drive Rated Current
Displayed in Amps