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Rockwell Automation 1794-ACNR INSTL INSTR REDUNDANT MEDIA User Manual

Page 6

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FLEX I/O ControlNet Redundant Media Adapter

6

Publication 1794-5.18 – September 1996

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

5M Bits/s

Indicators

Comm A – red/grn
Comm B – red/grn
I/O Status – red/grn

Flexbus Output Current

640mA maximum @ 5V dc

Isolation Voltage

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

Power Consumption

400mA maximum from external 24V supply

Power Dissipation

4.6W maximum @ 19.2V dc

Thermal Dissipation

15.7 BTU/hr @ 19.2V dc

Environmental Conditions

Operational Temperature
Storage Temperature
Relative Humidity
Shock

Operating
Non-operating

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 68-2-6

ControlNet Cable

Belden RG-6/U

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