1794-ASB SERIES E

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Overview of Allen-Bradley 1794-ASB Series E Flex I/O Remote I/O Adapter

The Allen-Bradley 1794-ASB Series E is a Flex I/O communication adapter used to connect Flex I/O racks to Remote I/O capable controllers. It supports up to eight Flex I/O modules and communicates via the Remote I/O (RIO) protocol with variable speeds (57.6 Kbps, 115.2 Kbps, and 230.4 Kbps). This DIN rail-mounted device requires a 24V DC power supply and features diagnostic indicators for power, adapter status, and fault conditions.

Key Features of Allen-Bradley 1794-ASB Series E

  • Communication Port: One Remote I/O (RIO) port supporting daisy chain topology.
  • Power Supply: Nominal 24V DC, consumption 330 mA at 24V DC.
  • Supports: Up to eight Flex I/O modules per adapter.
  • Data Transfer Speeds: 57.6, 115.2, and 230.4 Kbps.
  • Diagnostic Indicators: Power, Adapter Active, Adapter Fault, and Local Fault LEDs for troubleshooting.
  • Mounting: DIN rail.
  • Enclosure: IP20, open type requiring installation in a suitable enclosure.
  • Environmental Ratings: Operating temperature 0 to 55°C (32 to 131°F), storage -40 to 85°C (-40 to 185°F).

Technical Specs of 1794-ASB Series E

Voltage: 24V DC nominal (11V to 31.2V DC range)
Current Consumption: 330 mA at 24V DC
Power Dissipation: 4.6 Watts at 31.2V DC
Communication Rates: 57.6, 115.2, 230.4 Kbps
Supported Modules: Up to 8 Flex I/O modules
Dimensions: 4 x 2 x 4 inches (approx. 101.6 x 50.8 x 101.6 mm)
Indicators: Power (green), Adapter Active (green), Adapter Fault (red), Local Fault (red)
Mounting: DIN rail
Shock and Vibration Resistance: 30 G shock, 5 G vibration per IEC standards

Applications / Use Case of Allen-Bradley 1794-ASB Series E

This remote I/O adapter is ideal for distributed I/O architectures in industrial automation environments, such as manufacturing and process control systems. It provides reliable communication between Flex I/O modules and controllers, supporting scalable and modular automation setups.

1794-ASB SERIES E

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    95%

    positive reviews

  • LESS THAN

    1%

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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