X20 system modules • Motor controllers • X20SM1436
X20 system User's Manual 3.10
2027
4.25.7.14 Derating
Modules next to the SM module can have a maximum power consumption of 1 W. To ensure proper operation, the
derating values listed below must be adhered to:
Power loss derating for neighboring modules
Modules directly next to the SM module can have a power loss of 1 W. If the SM module is operated at the rated
load over the entire temperature range (3 A rated current), the power loss of neighboring modules must be derated
starting at 45°C.
N
ei
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m
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D
er
at
in
g
of
p
ow
er
lo
ss
SM
M
od
ul
e
O
pe
ra
tio
n
w
ith
c
ur
re
nt
d
er
at
in
g
(3
A
)
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m
od
ul
e
D
er
at
in
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of
p
ow
er
lo
ss
X2
0
m
od
ul
e
Po
w
er
lo
ss
≤
1
.8
W
X2
0
m
od
ul
e
Po
w
er
lo
ss
≤
1
.8
W
Figure 631: Operating the SM module over the entire temperature range at 3 A rated current
Ambient temperature [°C]
0
0
0.2
0.4
0.6
0.8
1
40
30
20
10
50
Po
w
er
lo
ss
o
f n
ei
gh
bo
rin
g
m
od
ul
e
[W
]
Figure 632: Power loss derating for directly neighboring modules
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