Rockwell-automation 1305 AC Drive, Firmware 1.01-3.00 User Manual Uživatelský manuál Strana 80

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Chapter 5 –Programming
5-12
Set Up Group (cont.)
[O
v
erload
Mode
]
Parameter # 37 Factory Default “No Derating”
[O
v
erload
Mode
]
Parameter Type Read & Write
This parameter selects the derating factor for the I
2
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onic o
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f
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nction.
Des
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to m
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N
E
C
A
r
ticl
e
Units None Settings ‘‘No Derating”
10:1 Speed Range
– No Derating Refer to Figure 5.2
e
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onic o
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f
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nction.
Des
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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]
Th s v ue sh ud e se he r ep e u d
Parameter Type Read & Write Minimum 20% of Drive Rated Current
Displayed in Amps
Th
i
s
v
al
ue
sh
o
u
l
d
b
e
se
t to t
he
moto
r
nam
ep
lat
e
F
u
ll Loa
d
Amps (F.L.A.).
Units 0.1 Amps Maximum 115% of Drive Rated Current
Displayed in Amps
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