Rockwell Automation 1794-ASB Remote Flex I/O Adapter Installation Instructions User Manual

Page 9

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FLEX I/O Remote I/O Adapter

9

Publication 1794Ć5.11 - November 1996

1794ĆASB Specifications

I/O Capacity

8 modules

Power Supply

Note: In order to comply with CE Low Voltage

Directives, you must use a Safety Extra Low

Voltage (SELV) or a Protected Extra Low

Voltage (PELV) power supply to power this

adapter.

Input Voltage Rating

24V dc nominal

Input Voltage Range

19.2V to 31.2V dc (includes 5% ac ripple)

Communication Rate

57.6k bps

115.2k bps

230.4k bps

Indicators

Adapter Active - green

Adapter fault - red

Local fault - red

Flexbus Output Current

640mA maximum

Isolation Voltage

100% tested at 850V dc for 1s between user

power and flexbus

Power Consumption

450mA maximum from external 24V supply

Power Dissipation

4.6W maximum @ 31.2V dc

Thermal Dissipation

15.7 BTU/hr @ 31.2V dc

Environmental Conditions

Operational Temperature

Storage Temperature

Relative Humidity

Shock

Operating

NonĆoperating

Vibration

0 to 55

o

C (32 to 131

o

F)

-40 to 85

o

C (-40 to 185

o

F)

5 to 95% noncondensing

30 g peak acceleration, 11(+1)ms pulse width

50 g peak acceleration, 11(+1)ms pulse width

Tested 5 g @ 10-500Hz per IEC 68Ć2Ć6

Remote I/O Cable

Belden 9463 or equivalent as specified in

publication ICCGĆ2.2

Power Conductors

Wire Size

Category

12 gauge (4mm

2

) stranded maximum

3/64 inch (1.2mm) insulation max.

2

1

Specifications continued on next page

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