Allen-Bradley 1794-IB16 Flex IO Discrete Input Module, 16 Channels

Product Overview

The Allen-Bradley 1794-IB16 is a Flex IO discrete input module. It features 16 sinking input channels. These channels operate at 24 VDC nominal. This module enables distributed I/O architecture. It reduces cable runs and installation costs. The 1794-IB16 supports DIN rail mounting. It requires a terminal base for wiring. Compatible bases include 1794-TB3 and others. It works with various communication adapters. Examples include Ethernet, ControlNet, and DeviceNet.

Application Scenarios

Use this module for industrial automation. It collects digital signals from sensors. Typical sensors include proximity switches and limit switches. It works with push buttons and selector switches. The module suits remote I/O applications. It connects to PLCs like ControlLogix and CompactLogix. It also works with legacy controllers like SLC 500.

Technical Specifications

Input Specifications

Number of inputs: 16, sinking. On-state voltage range: 10 to 31.2 VDC. Nominal input voltage: 24 VDC. On-state current: 2.0 mA min, 12.0 mA max. Off-state voltage: 5 VDC max. Off-state current: 1.5 mA max. Nominal input impedance: 4.6 kOhm.

Power and Environment

FlexBus current: 30 mA at 5 VDC. Power dissipation: 6.1 W at 31.2 VDC max. Operating temperature: 0 to 55 C. Storage temperature: -40 to 85 C. Vibration: 5g at 10 to 500 Hz. Operating shock: 30 g. Indicators: 16 yellow status LEDs.

Compatibility

Terminal bases: 1794-TB3, 1794-TB3S, 1794-TB3K, 1794-TB3SK, 1794-TBKD, 1794-TB37DS. Adapters: 1794-ADN, 1794-ASB, 1794-AENT, 1794-APB, 1794-ACN.

Installation & Maintenance Guide

Mount the module on a DIN rail. Select the appropriate terminal base. Connect signal wires to the terminal base. Use a compatible communication adapter. Power the module via FlexBus. No field power is required. Regularly check status LEDs. Ensure proper grounding and shielding.

Packing List

The package includes one 1794-IB16 module. It also includes a user manual. No terminal base is included. Order terminal base separately.