Allen-Bradley 1769-IF16C | Compact I/O Analog Input Module

The Allen-Bradley 1769-IF16C is a high-density analog input module designed for use with CompactLogix and MicroLogix controllers. This module offers sixteen (16) single-ended analog input channels, supporting current signal inputs from 0-20 mA and 4-20 mA, with a high-resolution capability of 16 bits and 15 bits plus sign . It is ideal for applications requiring precise and reliable analog signal acquisition from field instruments.

Key Features and Specifications

The 1769-IF16C module is engineered for high-performance applications, offering seamless integration with MicroLogix 1500 and CompactLogix controllers. It provides excellent compatibility for interfacing with various field instruments, such as transmitters, variable frequency drives (VFDs), modulating valves, panel meters, and data loggers.

With a built-in Signal-Delta Analog-to-Digital Converter (ADC), this module efficiently converts analog signals into digital data. The input range can accommodate full-scale signals from 0-21 mA and 3.2-21 mA, ensuring precise signal measurement and processing. The 1769-IF16C is a plug-and-play solution that does not require calibration and features a noise-filtering function to enhance signal accuracy.

Technical Specifications

Specification	Value
Manufacturer	Allen-Bradley
Product Type	Analog Input Module
Product Line	CompactLogix
Part Number	1769-IF16C
UPC	612598626786
Weight	0.50 lbs (0.23 kg)
No. of Inputs	16 Single Ended Inputs
Input Current Range	0-21 mA
Current Signal Normal Range	0-20 mA; 4-20 mA
Full Range	0-21 mA; 3.2-21 mA
Resolution	16 bits, 15 bits plus sign
Channel Diagnostics	Over/under-range bit reporting, process alarms
Slot Width	1
Recommended Cable	Belden™ 8761 (shielded)
Module Type	16 Point Analog Current Input Module
Input Type	Analog Input
Communication Cable	16 Point
Series	A and B
Enclosure Type	Open
Backplane Current	1.4 Amps at 24 Volts
Power Consumption	33.6 Watts
Power Dissipation	7.5 Watts
Isolation Voltage	30 Volts DC

Performance Details

The 1769-IF16C offers impressive accuracy and reliability under various operational conditions. It delivers an overall input accuracy of ±0.5% at 25°C (77°F), and features selectable filters for 16 Hz, 50 Hz, and 60 Hz to optimize signal processing. The module’s input drift is highly stable, with an accuracy of ±0.0045% per °C.

Applications and Compatibility

This module is perfect for applications that require precision in receiving analog feedback signals from equipment like variable frequency drives, modulating valves, and panel meters. It also supports signal isolators and splitters. By integrating with CompactLogix and MicroLogix controllers, the 1769-IF16C module provides a robust solution for controlling and monitoring various industrial processes.