Allen Bradley 1756-IG16 ControlLogix DC Digital Input Module

Overview

The Allen Bradley 1756-IG16 is a ControlLogix DC digital input module designed for high-speed and reliable signal acquisition in industrial automation systems. It is used to monitor discrete DC input signals from field devices such as sensors, switches, and control equipment, ensuring accurate data transmission to the PLC system for real-time control and monitoring.

Allen-Bradley provides this module as part of the ControlLogix platform, supporting flexible and scalable industrial control architectures.

General Information

Part Number: 1756-IG16

Manufacturer: Allen-Bradley

Brand / Country of Origin: Allen-Bradley / USA

Series: ControlLogix

Type: DC Digital Input Module

Mounting: ControlLogix chassis installation

Technology: High-speed DC digital input processing with diagnostic support and signal filtering

Power Specifications

Supply Voltage: 5 V DC (via ControlLogix backplane)

Power Consumption: ≤ 4.0 W

Input: Powered through ControlLogix chassis backplane

Protection: Overvoltage protection and input isolation design

Indicators: LED status indicators for channel activity and module health

Communication & Interface

Input Type: DC digital signals

Channels: 16-point digital input channels

Signal Range: Standard industrial DC input levels

Diagnostics: Channel status monitoring and fault detection support

Interface: ControlLogix backplane communication with configuration via Studio 5000

Reset Features: Supports software-based reset and system reinitialization

Environmental

Operating Temperature: −20 to +60 °C

Storage Temperature: −40 to +85 °C

Humidity: 5–95% RH, non-condensing

Vibration Resistance: Industrial-grade vibration and shock tolerance

Protection Rating: IP20

Dimensions & Weight

Dimensions (L × W × H): 144.57 × 22 × 105.42 mm

Weight: 0.295 kg

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