• Allen-Bradley 1756-IG16
  • Allen-Bradley 1756-IG16
  • Allen-Bradley 1756-IG16
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Allen-Bradley 1756-IG16 ControlLogix 16-Point TTL Digital DC Input Module

Allen-Bradley 1756-IG16 ControlLogix 16-Point TTL Digital DC Input Module

The Allen-Bradley 1756-IG16 is a high-performance digital DC input module designed for the ControlLogix platform. This module provides 16 input points, organized into groups of 9 per common, specifically engineered...

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Availability: In stock

SKU: 1756-IG16
Vendor: Allen-Bradley
Category: Digital Input Module
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The Allen-Bradley 1756-IG16 is a high-performance digital DC input module designed for the ControlLogix platform. This module provides 16 input points, organized into groups of 9 per common, specifically engineered to interface with 5V DC TTL-level signals. It is widely utilized in industrial automation environments requiring precise, low-voltage signal monitoring and integration with TTL-compatible devices.

Features

  • 16-point digital input density for space-efficient I/O configuration.
  • Designed for 5V DC TTL source input applications.
  • Operating voltage range of 4.5 to 5.5V DC.
  • Configurable input filter times to manage signal noise and debounce.
  • Low power dissipation of 1.4 Watts at 60 degC.
  • Compatible with standard ControlLogix chassis backplane power.

Technical Specifications

Module Type Digital DC Input Module
Input Points 16 (9 per common)
Input Voltage 5V DC (TTL Source)
Operating Voltage Range 4.5 - 5.5V DC
Input Delay Time 0.25 ms + selected filter time
Off-State Current (Max) 4.1 mA
Backplane Current (5V) 110 mA
Max Power Dissipation 1.4 W at 60 degC

Installation Guidelines

  • Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical arcing or damage to the backplane.
  • Verify that the module is fully seated in the chassis slot and that the locking tab is engaged.
  • Use appropriate shielded cabling for input signals to minimize electromagnetic interference (EMI) in high-noise industrial environments.
  • Maintain proper ventilation within the cabinet to ensure the module operates within its specified temperature range.
  • Follow standard ESD (Electrostatic Discharge) handling procedures when touching the module circuitry.

FAQ

What is the primary application for the 1756-IG16?
This module is designed for applications requiring the monitoring of 5V DC TTL signals, commonly found in specialized sensors, TTL-level logic circuits, and specific instrumentation interfaces.

How many points are supported per common?
The 1756-IG16 features 16 input points with 9 points per common.