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Derating diagram: ambient temperature, Technical details – Pilz Cable PMCprimoDrive>Mod-Profibus:L=0,45m User Manual

Page 54

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Technical Details

12-4

Operating Manual: PMCtendo AC

Derating diagram: Ambient temperature

Example:

Ambient temperature = 50 °C

According to the diagram (Fig. 12-2), at this ambient temperature the permitted torque is
approx. 90 % of the rated torque M

N

.

This gives the following for factor K

temp

:

K

temp

= 0.9.

Rated tor

que M

N

[%]

0

20

40

60

80

100

120

-20

-10

0

10

20

30

40

Ambient temperature [°C]

140

50

60

K

temp

Fig. 12-2: Permitted torque in relation to ambient temperature

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