Allen-Bradley 1769-IA16 16-Channel Discrete Input Module

The Allen-Bradley 1769-IA16 is a reliable 16-channel AC input module for use with Compact I/O systems. Operating within a voltage range of 79-132 VAC, it is ideal for systems that require digital input from field devices such as switches, sensors, and auxiliary contacts. This module is designed to integrate seamlessly with CompactLogix and MicroLogix 1500 controllers, making it a versatile choice for industrial automation applications.

Key Features:

Input Channels: 16 discrete AC input channels
Voltage Range: 79 to 132 VAC
Operating Frequency: 47-63 Hz
Input Delay: 20 ms for both On and Off states
Power Consumption: 33.6W (maximum)
Mounting: DIN rail or panel mount

Technical Specifications

Specification	Value
Part Number	1769-IA16
Manufacturer	Allen-Bradley
Product Type	Discrete Input Module
Product Line	CompactLogix
Number of Inputs	16
Input Voltage Range	79 to 132 VAC
Input Frequency	47 – 63 Hz
Input Delay (On/Off)	20 ms
Current Draw	115 mA at 5.1 VDC
Power Consumption	33.6 Watts
Heat Dissipation	3.3 Watts
On State Voltage (Min)	79 VAC
Off State Voltage (Max)	20 VAC
Maximum Inrush Current	250 mA
Input Impedance	12 kΩ (50 Hz), 10 kΩ (60 Hz)
Operating Temperature Range	0°C to 60°C (32°F to 140°F)
Mounting	DIN rail or panel mount
Weight	0.44 lbs (0.20 kg)
Dimensions	118 x 35 x 87 mm (4.65 x 1.38 x 3.43 inches)
Wire Size	22-14 AWG (solid), 22-16 AWG (stranded)

Performance & Installation:

The 1769-IA16 provides stable and accurate input processing for devices operating in ON/OFF states. With 16 channels, it is designed to handle AC input signals ranging from 79 to 132V. This module offers efficient power dissipation of 3.3W and operates with a frequency of 47 to 63 Hz, ensuring smooth and reliable communication within the Compact I/O system.

Installation of the 1769-IA16 module is straightforward. It mounts easily to a DIN rail or directly to a panel mount, depending on your system’s needs. This module integrates effortlessly into MicroLogix 1500 or CompactLogix controller setups, simplifying system design and maintenance.

Compatibility & Power Supply:

The 1769-IA16 is compatible with several power supplies, including 1769-PA2, 1769-PB2, 1769-PA4, and 1769-PB4. Its power supply distance rating is 8 modules, which should be considered during installation for optimal performance. If your system requires more than 8 modules, you must install an additional power supply or arrange the modules accordingly.

This module requires a removable terminal block for easy wiring of field devices. The finger-safe covers enhance safety during installation and operation, reducing the risk of accidental contact with live terminals.