Allen-Bradley 1794-IA8I Flex I/O 120V AC Input Module

Allen-Bradley 1794-IA8I Flex I/O AC Input Module: Reliable 120V AC Control for Industrial Automation

The Allen-Bradley 1794-IA8I is a high-performance 8-point AC input module from the renowned Flex I/O series by Rockwell Automation. It offers eight fully isolated input channels for safe and dependable operation in demanding industrial environments like motor control centers. This module provides excellent noise immunity and connects seamlessly to your control system.

Detailed Technical Specifications

• Manufacturer: Rockwell Automation
• Brand: Allen-Bradley
• Catalog Number: 1794-IA8I
• Product Type: Flex I/O AC Digital Input Module
• Number of Inputs: 8 Points (Isolated)
• On-State Voltage Range: 65V AC (Min.) to 132V AC (Max.)
• Off-State Voltage Max: 43V AC
• On-State Current Range: 7.1 mA (Min.) to 14.32 mA (Max.)
• Nominal Input Current: 12 mA @ 120V AC
• Off-State Current Max: 2.9 mA
• Input Filter Response: 8.4 ms (Off to On), 26.4 ms (On to Off)
• Flexbus Current Draw: 30 mA @ 5V DC
• Max Power Dissipation: 4.5W @ 132V AC
• Operating Temperature: 0 to 55 °C (32 to 131 °F)
• Relative Humidity: 5% to 95% (non-condensing)

Installation & Compatibility

• This module mounts easily on a standard DIN rail.
• It requires a compatible terminal base unit for operation.
• Compatible bases include: 1794-TBN, 1794-TB2, 1794-TB3, 1794-TB3S, and 1794-TBKD.
• It connects via popular networks like EtherNet/IP, DeviceNet, ControlNet, and Remote I/O.

Packaging & Shipping

• The package includes one (1) 1794-IA8I AC input module.
• We ship all orders quickly via reliable couriers: FedEx, UPS, or DHL.
• This product comes with a solid 12-month warranty.

Frequently Asked Questions (FAQ)

• What does ‘isolated input’ mean for the 1794-IA8I?
  Each input channel is electrically separated, so a problem on one channel will not affect the others.
• Can I use this module with a 110V AC power source?
  Yes, the 1794-IA8I operates perfectly within its range from 65V AC to 132V AC, which includes 110V AC.
• Which communication adapters work with this Flex I/O module?
  It works with adapters for EtherNet/IP, DeviceNet, ControlNet, and other major industrial networks.
• How do I know if an input is active?
  Each of the 8 channels has a bright yellow LED that lights up when the input is active.
• What is the advantage of the XT version of this module?
  The XT version is built for harsh environments with extreme temperatures or vibration.

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