Allen-Bradley 1770-M10 Manual de instalación Pagina 57

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Appendix
D
D1
Specifications
In this appendix we list specifications for the:
mass storage systems
Winchester hard disk drive
microfloppy disk drive
microfloppy diskette
internal power supply
Input V
oltage Range
120V AC (90 to 132V AC)
220V AC (180 to 264 AC)
Frequency: 47 to 63 Hz
Input Current
120V AC Operation: 1.5A
22V AC Operation: 0.75A
Environmental Conditions
Operating Temperature
10
o
to 40
o
C (50
o
to 104
o
F)
Nonoperating Temperature
40
o
to 60
o
C (40
o
to 140
o
C)
Relative Humidity
20% to 80% (noncondensing) for temperatures 10
o
to 28
o
C
(50
o
to 82
o
F)
derate 4% RH/
o
C above 28
o
C
Objectives
Mass Storage Systems
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