1794-ASB2

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Overview of Allen-Bradley 1794-ASB2 FLEX I/O Remote I/O Adapter Module

The Allen-Bradley 1794-ASB2 is a FLEX I/O remote I/O adapter module designed to connect remote I/O modules to a controller via ControlNet, DeviceNet, or EtherNet/IP. It supports up to 2 I/O modules and operates on a 24 V DC power supply with an input voltage range of 19.2 to 31.2 V DC. This module is widely used in industrial automation systems to extend I/O points over networks efficiently.

Key Features of 1794-ASB2

  • Supports 2 FLEX I/O modules per adapter.
  • Operating voltage range: 19.2 to 31.2 V DC (24 V nominal).
  • Maximum output current: 640 mA.
  • Current draw: 330 mA at 24 V DC nominal.
  • Communication rates: 57.6 kbps, 115.2 kbps, and 230.4 kbps.
  • Isolation voltage: 50 V continuous (Basic Insulation Type).
  • Power dissipation: 4.6 W max at 24 V DC.
  • Certified for Class I Division 2 hazardous locations (ATEX, UL, CSA).
  • Enclosure: Open style for easy mounting.
  • Environmental protection: Operating temperature -20 to 55°C; vibration resistant to 5 g; shock resistant to 30 g.
  • Dimensions: Approx. 87 x 69 x 69 mm (3.4 x 2.7 x 2.7 in).
  • Wire size: Accepts 22 to 12 AWG single wire, or 22 to 16 AWG stranded wire.

Technical Specifications

Specification Details
I/O Module Capacity 2 modules
Input Voltage 19.2 to 31.2 V DC (24 V nominal)
Output Current 640 mA max
Current Draw 330 mA @ 24 V DC nominal
Communications Rate 57.6, 115.2, 230.4 kbps
Isolation Voltage 50 V continuous
Power Dissipation 4.6 W max
Operating Temperature -20 to 55°C (-4 to 131°F)
Shock Tolerance 30 g
Vibration Tolerance 5 g @ 10–500 Hz
Dimensions (HxWxD) 87 x 69 x 69 mm
Weight Approx. 195.5 g (6.9 oz)

Applications / Use Cases

The 1794-ASB2 adapter module is typically used to connect distributed I/O in industrial automation networks, enabling flexible and scalable control system architectures. It supports rugged environmental conditions and is suited for applications that require remote monitoring and control over DeviceNet, ControlNet, or EtherNet/IP networks.

1794-ASB2

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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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