Allen-Bradley 1756-IN16 – ControlLogix 16-Point Digital Input Module

Product Description

The Allen-Bradley 1756-IN16 is a ControlLogix digital input module that offers 16 individually isolated inputs, providing robust and reliable data acquisition for industrial control systems. With its compact design and advanced features, this module is ideal for demanding automation applications requiring precise monitoring and control of digital signals.

Technical Specifications

• Model Number: 1756-IN16
• Series: ControlLogix
• Input Points: 16 isolated channels
• Signal Type: Digital (24V DC nominal)
• Voltage Range: 10V DC to 30V DC
• Current Draw: 2 mA per channel typical
• Isolation:
  • Channel-to-channel: 50V (continuous)
  • Channel-to-backplane: 250V (continuous)
• Input Delay:
  • Off-to-On: 1 ms
  • On-to-Off: 1 ms
• Backplane Current Consumption:
  • 5.1V: 180 mA
  • 24V: 2.5 mA
• Environmental Ratings:
  • Operating Temperature: 0°C to 60°C (32°F to 140°F)
  • Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Certifications: UL, CE, ATEX
• Dimensions: Fits standard ControlLogix chassis slot
• Weight: Approx. 0.25 kg

Key Features

1. Individually Isolated Inputs
   Each channel is electrically isolated, ensuring reliable operation in environments with high noise or transient voltage conditions.

2. Wide Voltage Range
   Compatible with digital signals ranging from 10V DC to 30V DC, suitable for a variety of sensors and field devices.

3. Fast Response Times
   Quick input delays of 1 ms make it ideal for high-speed automation tasks.

4. Diagnostics and Status Indicators
   Built-in LED indicators provide clear status information for each channel, facilitating quick troubleshooting.

5. Seamless Integration
   Designed for ControlLogix platforms, offering plug-and-play compatibility with Allen-Bradley systems.

Applications

The 1756-IN16 is perfect for:

• Factory Automation: Monitoring switches, sensors, and other digital devices on production lines.
• Process Control: Managing signals from alarms, actuators, and control panels in industries such as oil and gas, pharmaceuticals, and food processing.
• Building Automation: Capturing inputs from security systems, lighting controls, and HVAC systems.
• Energy Management: Monitoring relay contacts and switchgear status.