1794-ASB

Overview

1794-ASB is an Allen-Bradley Flex I/O remote communication adapter.

Identity

• Model: 1794-ASB

• Type: Remote I/O Adapter

• Series: Flex I/O (A/B/C/D/E)

• Controller Platform: FlexLogix

Communication

• Port: 1 × RIO port

• Protocol: RIO

• Topology: Daisy chain

• Data Transfer Speeds: 57.6 / 115.2 / 230.4 Kbps

• Cable: Belden 9463 or equivalent

Indicators

• Status LEDs: Power, Adapter Active, Adapter Fault, Local Fault

Electrical Characteristics

• Voltage: 24 V DC

• External Power Supply: 450 mA @ 24 V DC

• Power Consumption: 330 mA @ 24 V DC

• Power Dissipation: 4.6 W @ 31.2 V DC

• Thermal Dissipation: 15.7 BTU/hr @ 24 V DC

Mechanical & Mounting

• Module Capacity: Up to 8 modules

• Mounting: DIN rail

• Enclosure: IP20, open type

Environmental Ratings

• Operating Temperature: 0…55 °C (32…131 °F)

• Storage Temperature: -40…85 °C (-40…185 °F)

• Vibration: 5 g @ 10–500 Hz (IEC 68-2-6)

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

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