Flex I/O AC Digital Input Module Allen-Bradley 1794-IA8I - 8 Isolated Inputs

Product Overview

The 1794-IA8I is a Flex I/O AC digital input module. It provides 8 isolated input points. The module operates at 120V AC nominal voltage. It fits into a terminal base unit. The design supports hot swapping. This feature saves time and reduces downtime. The module works with multiple communication options. These include ControlNet, DeviceNet, and EtherNet/IP.

Application Scenarios

You can use this module in motor control centers. It also works with control transformers. Isolated inputs prevent ground loops. The module suits extreme environments with XT versions. Use it in industrial automation systems. It handles high-vibration areas well.

Technical Specifications

Input Specifications

Each input has a minimum on-state voltage of 65V AC. The maximum on-state voltage is 132V AC. Minimum on-state current is 7.1 mA. Maximum on-state current is 14.32 mA. Off-state voltage max is 43V AC. Off-state current min is 2.9 mA. Nominal input current is 12 mA at 120V AC.

Power and Dissipation

FlexBus current draw is 30 mA at 5V DC. Power dissipation is 4.5W at 132V AC max. Input filter time is 8.4 ms off to on. It is 26.4 ms on to off. The module has 16 yellow LEDs for status.

Installation & Maintenance Guide

Mount the module on a DIN rail. Use compatible terminal bases like the 1794-TBN or 1794-TB3. Hook the base over the rail top. Slide it tight against the adapter. Lock the base by pushing down. You can insert or remove the module with power on. No direct wiring is needed. This design reduces maintenance costs.

Packing List

The package includes one 1794-IA8I module. No additional accessories are included. Ensure you order the correct terminal base separately.