Rockwell Automation 1769-PB4 Compact I/O Expansion Power Supplies Manuel d'utilisation

Page 26

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26 Compact I/O Expansion Power Supplies

Publication 1769-IN028B-EN-P - October 2008

1769-PB2 Output Derating

With User +24V Current Draw at 0.25 Amps

+24V Bus Load (Amps)

+5

V Bu

s Load (Amps)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2.0

1.5

1.0

0.5

0.0

0.8

1.0

55 °C

44728

+24V Bus Load (Amps)

+5

V Bu

s Load (Amp

s)

0.0

0.1

0.2

0.3

0.4

0.5

0.6

0.7

0.8

0.9

1.0

2.0

1.5

1.0

0.5

0.0

0.8

1.0

0.2

60 °C

Total Output: 29 W at 60 °C (140 °F) or below

44729

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